diff --git a/loader/Makefile b/loader/Makefile index 0852b83..56f606c 100644 --- a/loader/Makefile +++ b/loader/Makefile @@ -18,7 +18,7 @@ dir_build := build ASFLAGS := -mcpu=arm946e-s CFLAGS := -Wall -Wextra -MMD -MP -mthumb -mthumb-interwork $(ASFLAGS) -fno-builtin -std=c11 -Wno-main -O2 -flto -ffast-math -LDFLAGS := -nostartfiles +LDFLAGS := -nostdlib objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \ $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \ @@ -37,6 +37,8 @@ $(name).bin: $(dir_build)/$(name).elf $(dir_build)/$(name).elf: $(objects) $(LINK.o) -T linker.ld $(OUTPUT_OPTION) $^ +$(dir_build)/memory.o: CFLAGS += -O3 + $(dir_build)/%.o: $(dir_source)/%.c @mkdir -p "$(@D)" $(COMPILE.c) $(OUTPUT_OPTION) $< diff --git a/loader/linker.ld b/loader/linker.ld index a7775c8..6fbf471 100644 --- a/loader/linker.ld +++ b/loader/linker.ld @@ -1,7 +1,7 @@ ENTRY(_start) SECTIONS { - . = 0x24F00000; + . = 0x24FFFB00; .text.start : { *(.text.start) } .text : { *(.text) } .data : { *(.data) } diff --git a/loader/source/fatfs/00history.txt b/loader/source/fatfs/00history.txt deleted file mode 100644 index 4d76198..0000000 --- a/loader/source/fatfs/00history.txt +++ /dev/null @@ -1,254 +0,0 @@ ----------------------------------------------------------------------------- - Revision history of FatFs module ----------------------------------------------------------------------------- - -R0.00 (February 26, 2006) - - Prototype. - - - -R0.01 (April 29, 2006) - - First stable version. - - - -R0.02 (June 01, 2006) - - Added FAT12 support. - Removed unbuffered mode. - Fixed a problem on small (<32M) partition. - - - -R0.02a (June 10, 2006) - - Added a configuration option (_FS_MINIMUM). - - - -R0.03 (September 22, 2006) - - Added f_rename(). - Changed option _FS_MINIMUM to _FS_MINIMIZE. - - - -R0.03a (December 11, 2006) - - Improved cluster scan algorithm to write files fast. - Fixed f_mkdir() creates incorrect directory on FAT32. - - - -R0.04 (February 04, 2007) - - Added f_mkfs(). - Supported multiple drive system. - Changed some interfaces for multiple drive system. - Changed f_mountdrv() to f_mount(). - - - -R0.04a (April 01, 2007) - - Supported multiple partitions on a physical drive. - Added a capability of extending file size to f_lseek(). - Added minimization level 3. - Fixed an endian sensitive code in f_mkfs(). - - - -R0.04b (May 05, 2007) - - Added a configuration option _USE_NTFLAG. - Added FSINFO support. - Fixed DBCS name can result FR_INVALID_NAME. - Fixed short seek (<= csize) collapses the file object. - - - -R0.05 (August 25, 2007) - - Changed arguments of f_read(), f_write() and f_mkfs(). - Fixed f_mkfs() on FAT32 creates incorrect FSINFO. - Fixed f_mkdir() on FAT32 creates incorrect directory. - - - -R0.05a (February 03, 2008) - - Added f_truncate() and f_utime(). - Fixed off by one error at FAT sub-type determination. - Fixed btr in f_read() can be mistruncated. - Fixed cached sector is not flushed when create and close without write. - - - -R0.06 (April 01, 2008) - - Added fputc(), fputs(), fprintf() and fgets(). - Improved performance of f_lseek() on moving to the same or following cluster. - - - -R0.07 (April 01, 2009) - - Merged Tiny-FatFs as a configuration option. (_FS_TINY) - Added long file name feature. (_USE_LFN) - Added multiple code page feature. (_CODE_PAGE) - Added re-entrancy for multitask operation. (_FS_REENTRANT) - Added auto cluster size selection to f_mkfs(). - Added rewind option to f_readdir(). - Changed result code of critical errors. - Renamed string functions to avoid name collision. - - - -R0.07a (April 14, 2009) - - Septemberarated out OS dependent code on reentrant cfg. - Added multiple sector size feature. - - - -R0.07c (June 21, 2009) - - Fixed f_unlink() can return FR_OK on error. - Fixed wrong cache control in f_lseek(). - Added relative path feature. - Added f_chdir() and f_chdrive(). - Added proper case conversion to extended character. - - - -R0.07e (November 03, 2009) - - Septemberarated out configuration options from ff.h to ffconf.h. - Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH. - Fixed name matching error on the 13 character boundary. - Added a configuration option, _LFN_UNICODE. - Changed f_readdir() to return the SFN with always upper case on non-LFN cfg. - - - -R0.08 (May 15, 2010) - - Added a memory configuration option. (_USE_LFN = 3) - Added file lock feature. (_FS_SHARE) - Added fast seek feature. (_USE_FASTSEEK) - Changed some types on the API, XCHAR->TCHAR. - Changed .fname in the FILINFO structure on Unicode cfg. - String functions support UTF-8 encoding files on Unicode cfg. - - - -R0.08a (August 16, 2010) - - Added f_getcwd(). (_FS_RPATH = 2) - Added sector erase feature. (_USE_ERASE) - Moved file lock semaphore table from fs object to the bss. - Fixed f_mkfs() creates wrong FAT32 volume. - - - -R0.08b (January 15, 2011) - - Fast seek feature is also applied to f_read() and f_write(). - f_lseek() reports required table size on creating CLMP. - Extended format syntax of f_printf(). - Ignores duplicated directory separators in given path name. - - - -R0.09 (September 06, 2011) - - f_mkfs() supports multiple partition to complete the multiple partition feature. - Added f_fdisk(). - - - -R0.09a (August 27, 2012) - - Changed f_open() and f_opendir() reject null object pointer to avoid crash. - Changed option name _FS_SHARE to _FS_LOCK. - Fixed assertion failure due to OS/2 EA on FAT12/16 volume. - - - -R0.09b (January 24, 2013) - - Added f_setlabel() and f_getlabel(). - - - -R0.10 (October 02, 2013) - - Added selection of character encoding on the file. (_STRF_ENCODE) - Added f_closedir(). - Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO) - Added forced mount feature with changes of f_mount(). - Improved behavior of volume auto detection. - Improved write throughput of f_puts() and f_printf(). - Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write(). - Fixed f_write() can be truncated when the file size is close to 4GB. - Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error. - - - -R0.10a (January 15, 2014) - - Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID) - Added a configuration option of minimum sector size. (_MIN_SS) - 2nd argument of f_rename() can have a drive number and it will be ignored. - Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10) - Fixed f_close() invalidates the file object without volume lock. - Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10) - Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07) - - - -R0.10b (May 19, 2014) - - Fixed a hard error in the disk I/O layer can collapse the directory entry. - Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN. (appeared at R0.07) - - - -R0.10c (November 09, 2014) - - Added a configuration option for the platforms without RTC. (_FS_NORTC) - Changed option name _USE_ERASE to _USE_TRIM. - Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b) - Fixed a potential problem of FAT access that can appear on disk error. - Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08) - - - -R0.11 (February 09, 2015) - - Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND) - Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c) - Fixed _FS_NORTC option does not work properly. (appeared at R0.10c) - - - -R0.11a (September 05, 2015) - - Fixed wrong media change can lead a deadlock at thread-safe configuration. - Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE) - Removed some code pages actually not exist on the standard systems. (_CODE_PAGE) - Fixed errors in the case conversion teble of code page 437 and 850 (ff.c). - Fixed errors in the case conversion teble of Unicode (cc*.c). - - - -R0.12 (April 12, 2016) - - Added support of exFAT file system. (_FS_EXFAT) - Added f_expand(). (_USE_EXPAND) - Changed some members in FINFO structure and behavior of f_readdir(). - Added an option _USE_CHMOD and removed an option _WORD_ACCESS. - Fixed errors in the case conversion teble of Unicode (cc*.c). - diff --git a/loader/source/fatfs/00readme.txt b/loader/source/fatfs/00readme.txt deleted file mode 100644 index 35536f7..0000000 --- a/loader/source/fatfs/00readme.txt +++ /dev/null @@ -1,21 +0,0 @@ -FatFs Module Source Files R0.12 - - -FILES - - 00readme.txt This file. - history.txt Revision history. - ffconf.h Configuration file for FatFs module. - ff.h Common include file for FatFs and application module. - ff.c FatFs module. - diskio.h Common include file for FatFs and disk I/O module. - diskio.c An example of glue function to attach existing disk I/O module to FatFs. - integer.h Integer type definitions for FatFs. - option Optional external functions. - - - Low level disk I/O module is not included in this archive because the FatFs - module is only a generic file system layer and not depend on any specific - storage device. You have to provide a low level disk I/O module that written - to control the target storage device. - diff --git a/loader/source/fatfs/diskio.c b/loader/source/fatfs/diskio.c deleted file mode 100644 index 6a21411..0000000 --- a/loader/source/fatfs/diskio.c +++ /dev/null @@ -1,101 +0,0 @@ -/*-----------------------------------------------------------------------*/ -/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */ -/*-----------------------------------------------------------------------*/ -/* If a working storage control module is available, it should be */ -/* attached to the FatFs via a glue function rather than modifying it. */ -/* This is an example of glue functions to attach various exsisting */ -/* storage control modules to the FatFs module with a defined API. */ -/*-----------------------------------------------------------------------*/ - -#include "diskio.h" /* FatFs lower layer API */ -#include "sdmmc/sdmmc.h" - -/*-----------------------------------------------------------------------*/ -/* Get Drive Status */ -/*-----------------------------------------------------------------------*/ - -DSTATUS disk_status ( - __attribute__((unused)) - BYTE pdrv /* Physical drive nmuber to identify the drive */ -) -{ - return RES_OK; -} - - - -/*-----------------------------------------------------------------------*/ -/* Inidialize a Drive */ -/*-----------------------------------------------------------------------*/ - -DSTATUS disk_initialize ( - __attribute__((unused)) - BYTE pdrv /* Physical drive nmuber to identify the drive */ -) -{ - sdmmc_sdcard_init(); - - return RES_OK; -} - - - -/*-----------------------------------------------------------------------*/ -/* Read Sector(s) */ -/*-----------------------------------------------------------------------*/ - -DRESULT disk_read ( - __attribute__((unused)) - BYTE pdrv, /* Physical drive nmuber to identify the drive */ - BYTE *buff, /* Data buffer to store read data */ - DWORD sector, /* Sector address in LBA */ - UINT count /* Number of sectors to read */ -) -{ - if(sdmmc_sdcard_readsectors(sector, count, buff)) - return RES_PARERR; - - return RES_OK; -} - - - -/*-----------------------------------------------------------------------*/ -/* Write Sector(s) */ -/*-----------------------------------------------------------------------*/ - -#if _USE_WRITE -DRESULT disk_write ( - __attribute__((unused)) - BYTE pdrv, /* Physical drive nmuber to identify the drive */ - __attribute__((unused)) - const BYTE *buff, /* Data to be written */ - __attribute__((unused)) - DWORD sector, /* Sector address in LBA */ - __attribute__((unused)) - UINT count /* Number of sectors to write */ -) -{ - return RES_OK; -} -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Miscellaneous Functions */ -/*-----------------------------------------------------------------------*/ - -#if _USE_IOCTL -DRESULT disk_ioctl ( - __attribute__((unused)) - BYTE pdrv, /* Physical drive nmuber (0..) */ - __attribute__((unused)) - BYTE cmd, /* Control code */ - __attribute__((unused)) - void *buff /* Buffer to send/receive control data */ -) -{ - return RES_PARERR; -} -#endif diff --git a/loader/source/fatfs/diskio.h b/loader/source/fatfs/diskio.h deleted file mode 100644 index 9ca0c7e..0000000 --- a/loader/source/fatfs/diskio.h +++ /dev/null @@ -1,80 +0,0 @@ -/*-----------------------------------------------------------------------/ -/ Low level disk interface modlue include file (C)ChaN, 2014 / -/-----------------------------------------------------------------------*/ - -#ifndef _DISKIO_DEFINED -#define _DISKIO_DEFINED - -#ifdef __cplusplus -extern "C" { -#endif - -#define _USE_WRITE 1 /* 1: Enable disk_write function */ -#define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */ - -#include "integer.h" - - -/* Status of Disk Functions */ -typedef BYTE DSTATUS; - -/* Results of Disk Functions */ -typedef enum { - RES_OK = 0, /* 0: Successful */ - RES_ERROR, /* 1: R/W Error */ - RES_WRPRT, /* 2: Write Protected */ - RES_NOTRDY, /* 3: Not Ready */ - RES_PARERR /* 4: Invalid Parameter */ -} DRESULT; - - -/*---------------------------------------*/ -/* Prototypes for disk control functions */ - - -DSTATUS disk_initialize (BYTE pdrv); -DSTATUS disk_status (BYTE pdrv); -DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count); -DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count); -DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); - - -/* Disk Status Bits (DSTATUS) */ - -#define STA_NOINIT 0x01 /* Drive not initialized */ -#define STA_NODISK 0x02 /* No medium in the drive */ -#define STA_PROTECT 0x04 /* Write protected */ - - -/* Command code for disk_ioctrl fucntion */ - -/* Generic command (Used by FatFs) */ -#define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */ -#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */ -#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */ -#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */ -#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */ - -/* Generic command (Not used by FatFs) */ -#define CTRL_POWER 5 /* Get/Set power status */ -#define CTRL_LOCK 6 /* Lock/Unlock media removal */ -#define CTRL_EJECT 7 /* Eject media */ -#define CTRL_FORMAT 8 /* Create physical format on the media */ - -/* MMC/SDC specific ioctl command */ -#define MMC_GET_TYPE 10 /* Get card type */ -#define MMC_GET_CSD 11 /* Get CSD */ -#define MMC_GET_CID 12 /* Get CID */ -#define MMC_GET_OCR 13 /* Get OCR */ -#define MMC_GET_SDSTAT 14 /* Get SD status */ - -/* ATA/CF specific ioctl command */ -#define ATA_GET_REV 20 /* Get F/W revision */ -#define ATA_GET_MODEL 21 /* Get model name */ -#define ATA_GET_SN 22 /* Get serial number */ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/loader/source/fatfs/ff.c b/loader/source/fatfs/ff.c deleted file mode 100644 index 9656965..0000000 --- a/loader/source/fatfs/ff.c +++ /dev/null @@ -1,5787 +0,0 @@ -/*----------------------------------------------------------------------------/ -/ FatFs - FAT file system module R0.12 (C)ChaN, 2016 / -/-----------------------------------------------------------------------------/ -/ FatFs module is a free software that opened under license policy of -/ following conditions. -/ -/ Copyright (C) 2016, ChaN, all right reserved. -/ -/ 1. Redistributions of source code must retain the above copyright notice, -/ this condition and the following disclaimer. -/ -/ This software is provided by the copyright holder and contributors "AS IS" -/ and any warranties related to this software are DISCLAIMED. -/ The copyright owner or contributors be NOT LIABLE for any damages caused -/ by use of this software. -/----------------------------------------------------------------------------*/ - - -#include "ff.h" /* Declarations of FatFs API */ -#include "diskio.h" /* Declarations of disk I/O functions */ - - -/*-------------------------------------------------------------------------- - - Module Private Definitions - ----------------------------------------------------------------------------*/ - -#if _FATFS != 88100 /* Revision ID */ -#error Wrong include file (ff.h). -#endif - - -/* Reentrancy related */ -#if _FS_REENTRANT -#if _USE_LFN == 1 -#error Static LFN work area cannot be used at thread-safe configuration -#endif -#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; } -#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; } -#else -#define ENTER_FF(fs) -#define LEAVE_FF(fs, res) return res -#endif - -#define ABORT(fs, res) { fp->err = (BYTE)(res); LEAVE_FF(fs, res); } - - -/* Definitions of sector size */ -#if (_MAX_SS < _MIN_SS) || (_MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096) || (_MIN_SS != 512 && _MIN_SS != 1024 && _MIN_SS != 2048 && _MIN_SS != 4096) -#error Wrong sector size configuration -#endif -#if _MAX_SS == _MIN_SS -#define SS(fs) ((UINT)_MAX_SS) /* Fixed sector size */ -#else -#define SS(fs) ((fs)->ssize) /* Variable sector size */ -#endif - - -/* Timestamp */ -#if _FS_NORTC == 1 -#if _NORTC_YEAR < 1980 || _NORTC_YEAR > 2107 || _NORTC_MON < 1 || _NORTC_MON > 12 || _NORTC_MDAY < 1 || _NORTC_MDAY > 31 -#error Invalid _FS_NORTC settings -#endif -#define GET_FATTIME() ((DWORD)(_NORTC_YEAR - 1980) << 25 | (DWORD)_NORTC_MON << 21 | (DWORD)_NORTC_MDAY << 16) -#else -#define GET_FATTIME() get_fattime() -#endif - - -/* File lock controls */ -#if _FS_LOCK != 0 -#if _FS_READONLY -#error _FS_LOCK must be 0 at read-only configuration -#endif -typedef struct { - FATFS *fs; /* Object ID 1, volume (NULL:blank entry) */ - DWORD clu; /* Object ID 2, directory (0:root) */ - DWORD ofs; /* Object ID 3, directory offset */ - WORD ctr; /* Object open counter, 0:none, 0x01..0xFF:read mode open count, 0x100:write mode */ -} FILESEM; -#endif - - - -/* DBCS code ranges and SBCS upper conversion tables */ - -#if _CODE_PAGE == 932 /* Japanese Shift-JIS */ -#define _DF1S 0x81 /* DBC 1st byte range 1 start */ -#define _DF1E 0x9F /* DBC 1st byte range 1 end */ -#define _DF2S 0xE0 /* DBC 1st byte range 2 start */ -#define _DF2E 0xFC /* DBC 1st byte range 2 end */ -#define _DS1S 0x40 /* DBC 2nd byte range 1 start */ -#define _DS1E 0x7E /* DBC 2nd byte range 1 end */ -#define _DS2S 0x80 /* DBC 2nd byte range 2 start */ -#define _DS2E 0xFC /* DBC 2nd byte range 2 end */ - -#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0x80 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 949 /* Korean */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x41 -#define _DS1E 0x5A -#define _DS2S 0x61 -#define _DS2E 0x7A -#define _DS3S 0x81 -#define _DS3E 0xFE - -#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0xA1 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 437 /* U.S. */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 720 /* Arabic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 737 /* Greek */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \ - 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xEF,0xF5,0xF0,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 771 /* KBL */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDC,0xDE,0xDE, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFE,0xFF} - -#elif _CODE_PAGE == 775 /* Baltic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 850 /* Latin 1 */ -#define _DF1S 0 -#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x41,0x43,0x45,0x45,0x45,0x49,0x49,0x49,0x41,0x41, \ - 0x45,0x92,0x92,0x4F,0x4F,0x4F,0x55,0x55,0x59,0x4F,0x55,0x4F,0x9C,0x4F,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0x41,0x41,0x41,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0x41,0x41,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0x45,0x45,0x45,0x49,0x49,0x49,0x49,0xD9,0xDA,0xDB,0xDC,0xDD,0x49,0xDF, \ - 0x4F,0xE1,0x4F,0x4F,0x4F,0x4F,0xE6,0xE8,0xE8,0x55,0x55,0x55,0x59,0x59,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 852 /* Latin 2 */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0xAC, \ - 0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF} - -#elif _CODE_PAGE == 855 /* Cyrillic */ -#define _DF1S 0 -#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F, \ - 0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \ - 0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \ - 0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF, \ - 0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 857 /* Turkish */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \ - 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0x49,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 860 /* Portuguese */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x8F,0x8E,0x91,0x86,0x80,0x89,0x89,0x92,0x8B,0x8C,0x98,0x8E,0x8F, \ - 0x90,0x91,0x92,0x8C,0x99,0xA9,0x96,0x9D,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x86,0x8B,0x9F,0x96,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 861 /* Icelandic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x8B,0x8B,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x8D,0x55,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xA4,0xA5,0xA6,0xA7,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 862 /* Hebrew */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 863 /* Canadian-French */ -#define _DF1S 0 -#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x41,0x8F, \ - 0x45,0x45,0x45,0x4F,0x45,0x49,0x55,0x55,0x98,0x4F,0x55,0x9B,0x9C,0x55,0x55,0x9F, \ - 0xA0,0xA1,0x4F,0x55,0xA4,0xA5,0xA6,0xA7,0x49,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 864 /* Arabic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 865 /* Nordic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 866 /* Russian */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 869 /* Greek 2 */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x86,0x9C,0x8D,0x8F,0x90, \ - 0x91,0x90,0x92,0x95,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xA4,0xA5,0xA6,0xD9,0xDA,0xDB,0xDC,0xA7,0xA8,0xDF, \ - 0xA9,0xAA,0xAC,0xAD,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xCF,0xCF,0xD0,0xEF, \ - 0xF0,0xF1,0xD1,0xD2,0xD3,0xF5,0xD4,0xF7,0xF8,0xF9,0xD5,0x96,0x95,0x98,0xFE,0xFF} - -#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */ -#if _USE_LFN != 0 -#error Cannot enable LFN without valid code page. -#endif -#define _DF1S 0 - -#else -#error Unknown code page - -#endif - - -/* Character code support macros */ -#define IsUpper(c) (((c)>='A')&&((c)<='Z')) -#define IsLower(c) (((c)>='a')&&((c)<='z')) -#define IsDigit(c) (((c)>='0')&&((c)<='9')) - -#if _DF1S != 0 /* Code page is DBCS */ - -#ifdef _DF2S /* Two 1st byte areas */ -#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E)) -#else /* One 1st byte area */ -#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) -#endif - -#ifdef _DS3S /* Three 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E)) -#else /* Two 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E)) -#endif - -#else /* Code page is SBCS */ - -#define IsDBCS1(c) 0 -#define IsDBCS2(c) 0 - -#endif /* _DF1S */ - - -/* Name status flags */ -#define NSFLAG 11 /* Index of name status byte in fn[] */ -#define NS_LOSS 0x01 /* Out of 8.3 format */ -#define NS_LFN 0x02 /* Force to create LFN entry */ -#define NS_LAST 0x04 /* Last segment */ -#define NS_BODY 0x08 /* Lower case flag (body) */ -#define NS_EXT 0x10 /* Lower case flag (ext) */ -#define NS_DOT 0x20 /* Dot entry */ -#define NS_NONAME 0x80 /* Not followed */ - - -/* Limits and Boundaries (Differ from specs but correct for real DOS/Windows) */ -#define MIN_FAT16 4086U /* Minimum number of clusters of FAT16 */ -#define MIN_FAT32 65526U /* Minimum number of clusters of FAT32 */ -#define MAX_DIR 0x200000 /* Maximum size of FAT directory */ -#define MAX_DIR_EX 0x10000000 /* Maximum size of exFAT directory */ - - -/* FatFs refers the members in the FAT structures as byte array instead of -/ structure members because the structure is not binary compatible between -/ different platforms */ - -#define BS_jmpBoot 0 /* x86 jump instruction (3-byte) */ -#define BS_OEMName 3 /* OEM name (8-byte) */ -#define BPB_BytsPerSec 11 /* Sector size [byte] (WORD) */ -#define BPB_SecPerClus 13 /* Cluster size [sector] (BYTE) */ -#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (WORD) */ -#define BPB_NumFATs 16 /* Number of FATs (BYTE) */ -#define BPB_RootEntCnt 17 /* Size of root directory area for FAT12/16 [entry] (WORD) */ -#define BPB_TotSec16 19 /* Volume size (16-bit) [sector] (WORD) */ -#define BPB_Media 21 /* Media descriptor (BYTE) */ -#define BPB_FATSz16 22 /* FAT size (16-bit) [sector] (WORD) */ -#define BPB_SecPerTrk 24 /* Track size for int13h [sector] (WORD) */ -#define BPB_NumHeads 26 /* Number of heads for int13h (WORD) */ -#define BPB_HiddSec 28 /* Volume offset from top of the drive (DWORD) */ -#define BPB_TotSec32 32 /* Volume size (32-bit) [sector] (DWORD) */ -#define BS_DrvNum 36 /* Physical drive number for int13h (BYTE) */ -#define BS_NTres 37 /* Error flag (BYTE) */ -#define BS_BootSig 38 /* Extended boot signature (BYTE) */ -#define BS_VolID 39 /* Volume serial number (DWORD) */ -#define BS_VolLab 43 /* Volume label string (8-byte) */ -#define BS_FilSysType 54 /* File system type string (8-byte) */ -#define BPB_FATSz32 36 /* FAT size (32-bit) [sector] (DWORD) */ -#define BPB_ExtFlags 40 /* Extended flags (WORD) */ - -#define BPB_FSVer32 42 /* FAT32: File system version (WORD) */ -#define BPB_RootClus32 44 /* FAT32: Root directory cluster (DWORD) */ -#define BPB_FSInfo32 48 /* FAT32: Offset of FSINFO sector (WORD) */ -#define BPB_BkBootSec32 50 /* FAT32: Offset of backup boot sector (WORD) */ -#define BS_DrvNum32 64 /* FAT32: Physical drive number for int13h (BYTE) */ -#define BS_NTres32 65 /* FAT32: Error flag (BYTE) */ -#define BS_BootSig32 66 /* FAT32: Extended boot signature (BYTE) */ -#define BS_VolID32 67 /* FAT32: Volume serial number (DWORD) */ -#define BS_VolLab32 71 /* FAT32: Volume label string (8-byte) */ -#define BS_FilSysType32 82 /* FAT32: File system type string (8-byte) */ - -#define BPB_ZeroedEx 11 /* exFAT: Must be zero (35-byte) */ -#define BPB_VolOfsEx 64 /* exFAT: Volume offset from top of the drive [sector] (QWORD) */ -#define BPB_TotSecEx 72 /* exFAT: Volume size [sector] (QWORD) */ -#define BPB_FatOfsEx 80 /* exFAT: FAT offset from top of the volume [sector] (DWORD) */ -#define BPB_FatSzEx 84 /* exFAT: FAT size [sector] (DWORD) */ -#define BPB_DataOfsEx 88 /* exFAT: Data offset from top of the volume [sector] (DWORD) */ -#define BPB_NumClusEx 92 /* exFAT: Number of clusters (DWORD) */ -#define BPB_RootClusEx 96 /* exFAT: Root directory cluster (DWORD) */ -#define BPB_VolIDEx 100 /* exFAT: Volume serial number (DWORD) */ -#define BPB_FSVerEx 104 /* exFAT: File system version (WORD) */ -#define BPB_VolFlagEx 106 /* exFAT: Volume flags (BYTE) */ -#define BPB_ActFatEx 107 /* exFAT: Active FAT flags (BYTE) */ -#define BPB_BytsPerSecEx 108 /* exFAT: Log2 of sector size in byte (BYTE) */ -#define BPB_SecPerClusEx 109 /* exFAT: Log2 of cluster size in sector (BYTE) */ -#define BPB_NumFATsEx 110 /* exFAT: Number of FATs (BYTE) */ -#define BPB_DrvNumEx 111 /* exFAT: Physical drive number for int13h (BYTE) */ -#define BPB_PercInUseEx 112 /* exFAT: Percent in use (BYTE) */ - -#define FSI_LeadSig 0 /* FAT32 FSI: Leading signature (DWORD) */ -#define FSI_StrucSig 484 /* FAT32 FSI: Structure signature (DWORD) */ -#define FSI_Free_Count 488 /* FAT32 FSI: Number of free clusters (DWORD) */ -#define FSI_Nxt_Free 492 /* FAT32 FSI: Last allocated cluster (DWORD) */ - -#define MBR_Table 446 /* MBR: Partition table offset */ -#define SZ_PTE 16 /* MBR: Size of a partition table entry */ - -#define BS_55AA 510 /* Signature word (WORD) */ - -#define DIR_Name 0 /* Short file name (11) */ -#define DIR_Attr 11 /* Attribute (1) */ -#define DIR_NTres 12 /* Lower case flag (1) */ -#define DIR_CrtTime10 13 /* Created time sub-second (1) */ -#define DIR_CrtTime 14 /* Created time (2) */ -#define DIR_CrtDate 16 /* Created date (2) */ -#define DIR_LstAccDate 18 /* Last accessed date (2) */ -#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (WORD) */ -#define DIR_WrtTime 22 /* Modified time (2) */ -#define DIR_WrtDate 24 /* Modified date (2) */ -#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (WORD) */ -#define DIR_FileSize 28 /* File size (DWORD) */ -#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */ -#define LDIR_Attr 11 /* LFN attribute (1) */ -#define LDIR_Type 12 /* LFN type (1) */ -#define LDIR_Chksum 13 /* Checksum of the SFN entry */ -#define LDIR_FstClusLO 26 /* Must be zero (WORD) */ -#define XDIR_Type 0 /* Type of exFAT directory entry (BYTE) */ -#define XDIR_NumLabel 1 /* Number of volume label characters (BYTE) */ -#define XDIR_Label 2 /* Volume label (11-WORD) */ -#define XDIR_CaseSum 4 /* Sum of case conversion table (DWORD) */ -#define XDIR_NumSec 1 /* Number of secondary entries (BYTE) */ -#define XDIR_SetSum 2 /* Sum of the set of directory entries (WORD) */ -#define XDIR_Attr 4 /* File attribute (WORD) */ -#define XDIR_CrtTime 8 /* Created time (4) */ -#define XDIR_ModTime 12 /* Modified time (4) */ -#define XDIR_AccTime 16 /* Last accessed time (4) */ -#define XDIR_CrtTime10 20 /* Created time subsecond (1) */ -#define XDIR_ModTime10 21 /* Modified time subsecond (1) */ -#define XDIR_CrtTZ 22 /* Created timezone (1) */ -#define XDIR_ModTZ 23 /* Modified timezone (1) */ -#define XDIR_AccTZ 24 /* Last accessed timezone (1) */ -#define XDIR_GenFlags 33 /* Gneral flags (1) */ -#define XDIR_NumName 35 /* Number of file name characters (BYTE) */ -#define XDIR_NameHash 36 /* Hash of file name (WORD) */ -#define XDIR_ValidFileSize 40 /* Valid file size (QWORD) */ -#define XDIR_FstClus 52 /* First cluster of the File/Directory (DWORD) */ -#define XDIR_FileSize 56 /* File/Directory size (QWORD) */ - -#define SZDIRE 32 /* Size of a directory entry */ -#define LLEF 0x40 /* Last long entry flag in LDIR_Ord */ -#define DDEM 0xE5 /* Deleted directory entry mark at DIR_Name[0] */ -#define RDDEM 0x05 /* Replacement of the character collides with DDEM */ - - - - - -/*-------------------------------------------------------------------------- - - Module Private Work Area - ----------------------------------------------------------------------------*/ - -/* Remark: Variables here without initial value shall be guaranteed zero/null -/ at start-up. If not, either the linker or start-up routine being used is -/ not compliance with C standard. */ - -#if _VOLUMES < 1 || _VOLUMES > 9 -#error Wrong _VOLUMES setting -#endif -static FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ -static WORD Fsid; /* File system mount ID */ - -#if _FS_RPATH != 0 && _VOLUMES >= 2 -static BYTE CurrVol; /* Current drive */ -#endif - -#if _FS_LOCK != 0 -static FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */ -#endif - -#if _USE_LFN == 0 /* Non-LFN configuration */ -#define DEF_NAMBUF BYTE sfn[12] -#define INIT_NAMBUF(dobj) (dobj).fn = sfn -#define FREE_NAMBUF() -#define DEF_DIRBUF -#define INIT_DIRBUF(fs) -#define FREE_DIRBUF() -#else -#if _MAX_LFN < 12 || _MAX_LFN > 255 -#error Wrong _MAX_LFN setting -#endif - -#if _USE_LFN == 1 /* LFN enabled with static working buffer */ -#if _FS_EXFAT -static BYTE DirBuf[SZDIRE*19]; /* Directory entry block scratchpad buffer (19 entries in size) */ -#endif -static WCHAR LfnBuf[_MAX_LFN+1]; /* LFN enabled with static working buffer */ -#define DEF_NAMBUF BYTE sfn[12] -#define INIT_NAMBUF(dj) { (dj).fn = sfn; (dj).lfn = LfnBuf; } -#define FREE_NAMBUF() -#define DEF_DIRBUF -#define INIT_DIRBUF(fs) -#define FREE_DIRBUF() - -#elif _USE_LFN == 2 /* LFN enabled with dynamic working buffer on the stack */ -#if _FS_EXFAT -#define DEF_NAMBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]; BYTE dbuf[SZDIRE*19] -#define INIT_NAMBUF(dj) { (dj).fn = sfn; (dj).lfn = lbuf; (dj).obj.fs->dirbuf = dbuf; } -#define FREE_NAMBUF() -#define DEF_DIRBUF BYTE dbuf[SZDIRE*19] -#define INIT_DIRBUF(fs) fs->dirbuf = dbuf -#define FREE_DIRBUF() -#else -#define DEF_NAMBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1] -#define INIT_NAMBUF(dj) { (dj).fn = sfn; (dj).lfn = lbuf; } -#define FREE_NAMBUF() -#define DEF_DIRBUF -#define INIT_DIRBUF(fs) -#define FREE_DIRBUF() -#endif - -#elif _USE_LFN == 3 /* LFN enabled with dynamic working buffer on the heap */ -#if _FS_EXFAT -#define DEF_NAMBUF BYTE sfn[12]; WCHAR *lfn -#define INIT_NAMBUF(dj) { lfn = ff_memalloc((_MAX_LFN+1)*2 + SZDIRE*19); if (!lfn) LEAVE_FF((dj).obj.fs, FR_NOT_ENOUGH_CORE); (dj).fn = sfn; (dj).lfn = lfn; (dj).obj.fs->dirbuf = (BYTE*)(lfn+_MAX_LFN+1); } -#define FREE_NAMBUF() ff_memfree(lfn) -#define DEF_DIRBUF BYTE *dirb -#define INIT_DIRBUF(fs) { dirb = ff_memalloc(SZDIRE*19); if (!dirb) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); fs->dirbuf = dirb; } -#define FREE_DIRBUF() ff_memfree(dirb) -#else -#define DEF_NAMBUF BYTE sfn[12]; WCHAR *lfn -#define INIT_NAMBUF(dj) { lfn = ff_memalloc((_MAX_LFN+1)*2); if (!lfn) LEAVE_FF((dj).obj.fs, FR_NOT_ENOUGH_CORE); (dj).fn = sfn; (dj).lfn = lfn; } -#define FREE_NAMBUF() ff_memfree(lfn) -#define DEF_DIRBUF -#define INIT_DIRBUF(fs) -#define FREE_DIRBUF() -#endif - -#else -#error Wrong _USE_LFN setting -#endif -#endif - -#ifdef _EXCVT -static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for SBCS extended characters */ -#endif - - - - - - -/*-------------------------------------------------------------------------- - - Module Private Functions - ----------------------------------------------------------------------------*/ - - -/*-----------------------------------------------------------------------*/ -/* Load/Store multi-byte word in the FAT structure */ -/*-----------------------------------------------------------------------*/ - -static -WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */ -{ - WORD rv; - - rv = ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} - -static -DWORD ld_dword (const BYTE* ptr) /* Load a 4-byte little-endian word */ -{ - DWORD rv; - - rv = ptr[3]; - rv = rv << 8 | ptr[2]; - rv = rv << 8 | ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} - -#if _FS_EXFAT -static -QWORD ld_qword (const BYTE* ptr) /* Load an 8-byte little-endian word */ -{ - QWORD rv; - - rv = ptr[7]; - rv = rv << 8 | ptr[6]; - rv = rv << 8 | ptr[5]; - rv = rv << 8 | ptr[4]; - rv = rv << 8 | ptr[3]; - rv = rv << 8 | ptr[2]; - rv = rv << 8 | ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} -#endif - -#if !_FS_READONLY -static -void st_word (BYTE* ptr, WORD val) /* Store a 2-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} - -static -void st_dword (BYTE* ptr, DWORD val) /* Store a 4-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} - -#if _FS_EXFAT -static -void st_qword (BYTE* ptr, QWORD val) /* Store an 8-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} -#endif -#endif /* !_FS_READONLY */ - - - -/*-----------------------------------------------------------------------*/ -/* String functions */ -/*-----------------------------------------------------------------------*/ - -/* Copy memory to memory */ -static -void mem_cpy (void* dst, const void* src, UINT cnt) { - BYTE *d = (BYTE*)dst; - const BYTE *s = (const BYTE*)src; - - if (cnt) { - do *d++ = *s++; while (--cnt); - } -} - -/* Fill memory block */ -static -void mem_set (void* dst, int val, UINT cnt) { - BYTE *d = (BYTE*)dst; - - do *d++ = (BYTE)val; while (--cnt); -} - -/* Compare memory block */ -static -int mem_cmp (const void* dst, const void* src, UINT cnt) { /* ZR:same, NZ:different */ - const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; - int r = 0; - - do { - r = *d++ - *s++; - } while (--cnt && r == 0); - - return r; -} - -/* Check if chr is contained in the string */ -static -int chk_chr (const char* str, int chr) { /* NZ:contained, ZR:not contained */ - while (*str && *str != chr) str++; - return *str; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Request/Release grant to access the volume */ -/*-----------------------------------------------------------------------*/ -#if _FS_REENTRANT -static -int lock_fs ( - FATFS* fs /* File system object */ -) -{ - return ff_req_grant(fs->sobj); -} - - -static -void unlock_fs ( - FATFS* fs, /* File system object */ - FRESULT res /* Result code to be returned */ -) -{ - if (fs && res != FR_NOT_ENABLED && res != FR_INVALID_DRIVE && res != FR_TIMEOUT) { - ff_rel_grant(fs->sobj); - } -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* File lock control functions */ -/*-----------------------------------------------------------------------*/ -#if _FS_LOCK != 0 - -static -FRESULT chk_lock ( /* Check if the file can be accessed */ - DIR* dp, /* Directory object pointing the file to be checked */ - int acc /* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */ -) -{ - UINT i, be; - - /* Search file semaphore table */ - for (i = be = 0; i < _FS_LOCK; i++) { - if (Files[i].fs) { /* Existing entry */ - if (Files[i].fs == dp->obj.fs && /* Check if the object matched with an open object */ - Files[i].clu == dp->obj.sclust && - Files[i].ofs == dp->dptr) break; - } else { /* Blank entry */ - be = 1; - } - } - if (i == _FS_LOCK) { /* The object is not opened */ - return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new object? */ - } - - /* The object has been opened. Reject any open against writing file and all write mode open */ - return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK; -} - - -static -int enq_lock (void) /* Check if an entry is available for a new object */ -{ - UINT i; - - for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; - return (i == _FS_LOCK) ? 0 : 1; -} - - -static -UINT inc_lock ( /* Increment object open counter and returns its index (0:Internal error) */ - DIR* dp, /* Directory object pointing the file to register or increment */ - int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */ -) -{ - UINT i; - - - for (i = 0; i < _FS_LOCK; i++) { /* Find the object */ - if (Files[i].fs == dp->obj.fs && - Files[i].clu == dp->obj.sclust && - Files[i].ofs == dp->dptr) break; - } - - if (i == _FS_LOCK) { /* Not opened. Register it as new. */ - for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; - if (i == _FS_LOCK) return 0; /* No free entry to register (int err) */ - Files[i].fs = dp->obj.fs; - Files[i].clu = dp->obj.sclust; - Files[i].ofs = dp->dptr; - Files[i].ctr = 0; - } - - if (acc && Files[i].ctr) return 0; /* Access violation (int err) */ - - Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */ - - return i + 1; -} - - -static -FRESULT dec_lock ( /* Decrement object open counter */ - UINT i /* Semaphore index (1..) */ -) -{ - WORD n; - FRESULT res; - - - if (--i < _FS_LOCK) { /* Shift index number origin from 0 */ - n = Files[i].ctr; - if (n == 0x100) n = 0; /* If write mode open, delete the entry */ - if (n > 0) n--; /* Decrement read mode open count */ - Files[i].ctr = n; - if (n == 0) Files[i].fs = 0; /* Delete the entry if open count gets zero */ - res = FR_OK; - } else { - res = FR_INT_ERR; /* Invalid index nunber */ - } - return res; -} - - -static -void clear_lock ( /* Clear lock entries of the volume */ - FATFS *fs -) -{ - UINT i; - - for (i = 0; i < _FS_LOCK; i++) { - if (Files[i].fs == fs) Files[i].fs = 0; - } -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* Move/Flush disk access window in the file system object */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT sync_window ( /* Returns FR_OK or FR_DISK_ERROR */ - FATFS* fs /* File system object */ -) -{ - DWORD wsect; - UINT nf; - FRESULT res = FR_OK; - - - if (fs->wflag) { /* Write back the sector if it is dirty */ - wsect = fs->winsect; /* Current sector number */ - if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK) { - res = FR_DISK_ERR; - } else { - fs->wflag = 0; - if (wsect - fs->fatbase < fs->fsize) { /* Is it in the FAT area? */ - for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */ - wsect += fs->fsize; - disk_write(fs->drv, fs->win, wsect, 1); - } - } - } - } - return res; -} -#endif - - -static -FRESULT move_window ( /* Returns FR_OK or FR_DISK_ERROR */ - FATFS* fs, /* File system object */ - DWORD sector /* Sector number to make appearance in the fs->win[] */ -) -{ - FRESULT res = FR_OK; - - - if (sector != fs->winsect) { /* Window offset changed? */ -#if !_FS_READONLY - res = sync_window(fs); /* Write-back changes */ -#endif - if (res == FR_OK) { /* Fill sector window with new data */ - if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK) { - sector = 0xFFFFFFFF; /* Invalidate window if data is not reliable */ - res = FR_DISK_ERR; - } - fs->winsect = sector; - } - } - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Synchronize file system and strage device */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT sync_fs ( /* FR_OK:succeeded, !=0:error */ - FATFS* fs /* File system object */ -) -{ - FRESULT res; - - - res = sync_window(fs); - if (res == FR_OK) { - /* Update FSInfo sector if needed */ - if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) { - /* Create FSInfo structure */ - mem_set(fs->win, 0, SS(fs)); - st_word(fs->win + BS_55AA, 0xAA55); - st_dword(fs->win + FSI_LeadSig, 0x41615252); - st_dword(fs->win + FSI_StrucSig, 0x61417272); - st_dword(fs->win + FSI_Free_Count, fs->free_clst); - st_dword(fs->win + FSI_Nxt_Free, fs->last_clst); - /* Write it into the FSInfo sector */ - fs->winsect = fs->volbase + 1; - disk_write(fs->drv, fs->win, fs->winsect, 1); - fs->fsi_flag = 0; - } - /* Make sure that no pending write process in the physical drive */ - if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK) res = FR_DISK_ERR; - } - - return res; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* Get sector# from cluster# */ -/*-----------------------------------------------------------------------*/ - -static -DWORD clust2sect ( /* !=0:Sector number, 0:Failed (invalid cluster#) */ - FATFS* fs, /* File system object */ - DWORD clst /* Cluster# to be converted */ -) -{ - clst -= 2; - if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ - return clst * fs->csize + fs->database; -} - - - - -/*-----------------------------------------------------------------------*/ -/* FAT access - Read value of a FAT entry */ -/*-----------------------------------------------------------------------*/ - -static -DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x7FFFFFFF:Cluster status */ - _FDID* obj, /* Corresponding object */ - DWORD clst /* Cluster number to get the value */ -) -{ - UINT wc, bc; - DWORD val; - FATFS *fs = obj->fs; - - - if (clst < 2 || clst >= fs->n_fatent) { /* Check if in valid range */ - val = 1; /* Internal error */ - - } else { - val = 0xFFFFFFFF; /* Default value falls on disk error */ - - switch (fs->fs_type) { - case FS_FAT12 : - bc = (UINT)clst; bc += bc / 2; - if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; - wc = fs->win[bc++ % SS(fs)]; - if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; - wc |= fs->win[bc % SS(fs)] << 8; - val = clst & 1 ? wc >> 4 : (wc & 0xFFF); - break; - - case FS_FAT16 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break; - val = ld_word(&fs->win[clst * 2 % SS(fs)]); - break; - - case FS_FAT32 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; - val = ld_dword(&fs->win[clst * 4 % SS(fs)]) & 0x0FFFFFFF; - break; -#if _FS_EXFAT - case FS_EXFAT : - if (obj->objsize) { - DWORD cofs = clst - obj->sclust; /* Offset from start cluster */ - DWORD clen = (DWORD)((obj->objsize - 1) / SS(fs)) / fs->csize; /* Number of clusters - 1 */ - - if (obj->stat == 2) { /* Is there no valid chain on the FAT? */ - if (cofs <= clen) { - val = (cofs == clen) ? 0x7FFFFFFF : clst + 1; /* Generate the value */ - break; - } - } - if (obj->stat == 3 && cofs < obj->n_cont) { /* Is it in the contiguous part? */ - val = clst + 1; /* Generate the value */ - break; - } - if (obj->stat != 2) { /* Get value from FAT if FAT chain is valid */ - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; - val = ld_dword(&fs->win[clst * 4 % SS(fs)]) & 0x7FFFFFFF; - break; - } - } - /* Go default */ -#endif - default: - val = 1; /* Internal error */ - } - } - - return val; -} - - - - -/*-----------------------------------------------------------------------*/ -/* FAT access - Change value of a FAT entry */ -/*-----------------------------------------------------------------------*/ - -#if !_FS_READONLY -static -FRESULT put_fat ( /* FR_OK(0):succeeded, !=0:error */ - FATFS* fs, /* Corresponding object */ - DWORD clst, /* FAT index number (cluster number) to be changed */ - DWORD val /* New value to be set to the entry */ -) -{ - UINT bc; - BYTE *p; - FRESULT res = FR_INT_ERR; - - - if (clst >= 2 && clst < fs->n_fatent) { /* Check if in valid range */ - switch (fs->fs_type) { - case FS_FAT12 : /* Bitfield items */ - bc = (UINT)clst; bc += bc / 2; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = &fs->win[bc++ % SS(fs)]; - *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; - fs->wflag = 1; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = &fs->win[bc % SS(fs)]; - *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); - fs->wflag = 1; - break; - - case FS_FAT16 : /* WORD aligned items */ - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))); - if (res != FR_OK) break; - st_word(&fs->win[clst * 2 % SS(fs)], (WORD)val); - fs->wflag = 1; - break; - - case FS_FAT32 : /* DWORD aligned items */ -#if _FS_EXFAT - case FS_EXFAT : -#endif - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))); - if (res != FR_OK) break; - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - val = (val & 0x0FFFFFFF) | (ld_dword(&fs->win[clst * 4 % SS(fs)]) & 0xF0000000); - } - st_dword(&fs->win[clst * 4 % SS(fs)], val); - fs->wflag = 1; - break; - } - } - return res; -} -#endif /* !_FS_READONLY */ - - - - -#if _FS_EXFAT && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* exFAT: Accessing FAT and Allocation Bitmap */ -/*-----------------------------------------------------------------------*/ - -/*---------------------------------------------*/ -/* exFAT: Find a contiguous free cluster block */ -/*---------------------------------------------*/ -static -DWORD find_bitmap ( /* 0:No free cluster, 2..:Free cluster found, 0xFFFFFFFF:Disk error */ - FATFS* fs, /* File system object */ - DWORD clst, /* Cluster number to scan from */ - DWORD ncl /* Number of contiguous clusters to find (1..) */ -) -{ - BYTE bm, bv; - UINT i; - DWORD val, scl, ctr; - - - clst -= 2; /* The first bit in the bitmap corresponds to cluster #2 */ - if (clst >= fs->n_fatent - 2) clst = 0; - scl = val = clst; ctr = 0; - for (;;) { - if (move_window(fs, fs->database + val / 8 / SS(fs)) != FR_OK) return 0xFFFFFFFF; - i = val / 8 & (SS(fs) - 1); bm = 1 << (val % 8); - do { - do { - bv = fs->win[i] & bm; bm <<= 1; /* Get bit value */ - if (++val >= fs->n_fatent - 2) { /* Next cluster (with wrap-around) */ - val = 0; bm = 0; i = 4096; - } - if (!bv) { /* Is it a free cluster? */ - if (++ctr == ncl) return scl + 2; /* Check run length */ - } else { - scl = val; ctr = 0; /* Encountered a live cluster, restart to scan */ - } - if (val == clst) return 0; /* All cluster scanned? */ - } while (bm); - bm = 1; - } while (++i < SS(fs)); - } -} - -/*------------------------------------*/ -/* exFAT: Set/Clear a block of bitmap */ -/*------------------------------------*/ -static -FRESULT change_bitmap ( - FATFS* fs, /* File system object */ - DWORD clst, /* Cluster number to change from */ - DWORD ncl, /* Number of clusters to be changed */ - int bv /* bit value to be set (0 or 1) */ -) -{ - BYTE bm; - UINT i; - DWORD sect; - - - clst -= 2; /* The first bit corresponds to cluster #2 */ - sect = fs->database + clst / 8 / SS(fs); /* Sector address */ - i = clst / 8 & (SS(fs) - 1); /* Byte offset in the sector */ - bm = 1 << (clst % 8); /* Bit mask in the byte */ - for (;;) { - if (move_window(fs, sect++) != FR_OK) return FR_DISK_ERR; - do { - do { - if (bv == (int)((fs->win[i] & bm) != 0)) return FR_INT_ERR; /* Is the bit expected value? */ - fs->win[i] ^= bm; /* Flip the bit */ - fs->wflag = 1; - if (--ncl == 0) return FR_OK; /* All bits processed? */ - } while (bm <<= 1); /* Next bit */ - bm = 1; - } while (++i < SS(fs)); /* Next byte */ - } -} - - -/*---------------------------------------------*/ -/* Complement contiguous part of the FAT chain */ -/*---------------------------------------------*/ -static -FRESULT fill_fat_chain ( - _FDID* obj /* Pointer to the corresponding object */ -) -{ - FRESULT res; - DWORD cl, n; - - if (obj->stat == 3) { /* Has the object got fragmented? */ - for (cl = obj->sclust, n = obj->n_cont; n; cl++, n--) { /* Create cluster chain on the FAT */ - res = put_fat(obj->fs, cl, cl + 1); - if (res != FR_OK) return res; - } - obj->stat = 0; /* Change status 'FAT chain is valid' */ - } - return FR_OK; -} - -#endif - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Remove a cluster chain */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT remove_chain ( /* FR_OK(0):succeeded, !=0:error */ - _FDID* obj, /* Corresponding object */ - DWORD clst, /* Cluster to remove a chain from */ - DWORD pclst /* Previous cluster of clst (0:an entire chain) */ -) -{ - FRESULT res = FR_OK; - DWORD nxt; - FATFS *fs = obj->fs; -#if _FS_EXFAT || _USE_TRIM - DWORD scl = clst, ecl = clst; -#endif -#if _USE_TRIM - DWORD rt[2]; -#endif - - if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Check if in valid range */ - - /* Mark the previous cluster 'EOC' on the FAT if it exists */ - if (pclst && (!_FS_EXFAT || fs->fs_type != FS_EXFAT || obj->stat != 2)) { - res = put_fat(fs, pclst, 0xFFFFFFFF); - if (res != FR_OK) return res; - } - - /* Remove the chain */ - do { - nxt = get_fat(obj, clst); /* Get cluster status */ - if (nxt == 0) break; /* Empty cluster? */ - if (nxt == 1) return FR_INT_ERR; /* Internal error? */ - if (nxt == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error? */ - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - res = put_fat(fs, clst, 0); /* Mark the cluster 'free' on the FAT */ - if (res != FR_OK) return res; - } - if (fs->free_clst != 0xFFFFFFFF) { /* Update FSINFO */ - fs->free_clst++; - fs->fsi_flag |= 1; - } -#if _FS_EXFAT || _USE_TRIM - if (ecl + 1 == nxt) { /* Is next cluster contiguous? */ - ecl = nxt; - } else { /* End of contiguous cluster block */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - res = change_bitmap(fs, scl, ecl - scl + 1, 0); /* Mark the cluster block 'free' on the bitmap */ - if (res != FR_OK) return res; - } -#endif -#if _USE_TRIM - rt[0] = clust2sect(fs, scl); /* Start sector */ - rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ - disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Inform device the block can be erased */ -#endif - scl = ecl = nxt; - } -#endif - clst = nxt; /* Next cluster */ - } while (clst < fs->n_fatent); /* Repeat while not the last link */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - if (pclst == 0) { /* Does object have no chain? */ - obj->stat = 0; /* Change the object status 'initial' */ - } else { - if (obj->stat == 3 && pclst >= obj->sclust && pclst <= obj->sclust + obj->n_cont) { /* Did the chain got contiguous? */ - obj->stat = 2; /* Change the object status 'contiguous' */ - } - } - } -#endif - return FR_OK; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Stretch a chain or Create a new chain */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ - _FDID* obj, /* Corresponding object */ - DWORD clst /* Cluster# to stretch, 0:Create a new chain */ -) -{ - DWORD cs, ncl, scl; - FRESULT res; - FATFS *fs = obj->fs; - - - if (clst == 0) { /* Create a new chain */ - scl = fs->last_clst; /* Get suggested cluster to start at */ - if (scl == 0 || scl >= fs->n_fatent) scl = 1; - } - else { /* Stretch current chain */ - cs = get_fat(obj, clst); /* Check the cluster status */ - if (cs < 2) return 1; /* Invalid value */ - if (cs == 0xFFFFFFFF) return cs; /* A disk error occurred */ - if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */ - scl = clst; - } - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - ncl = find_bitmap(fs, scl, 1); /* Find a free cluster */ - if (ncl == 0 || ncl == 0xFFFFFFFF) return ncl; /* No free cluster or hard error? */ - res = change_bitmap(fs, ncl, 1, 1); /* Mark the cluster 'in use' */ - if (res == FR_INT_ERR) return 1; - if (res == FR_DISK_ERR) return 0xFFFFFFFF; - if (clst == 0) { /* Is it a new chain? */ - obj->stat = 2; /* Set status 'contiguous chain' */ - } else { /* This is a stretched chain */ - if (obj->stat == 2 && ncl != scl + 1) { /* Is the chain got fragmented? */ - obj->n_cont = scl - obj->sclust; /* Set size of the contiguous part */ - obj->stat = 3; /* Change status 'just fragmented' */ - } - } - } else -#endif - { /* At the FAT12/16/32 */ - ncl = scl; /* Start cluster */ - for (;;) { - ncl++; /* Next cluster */ - if (ncl >= fs->n_fatent) { /* Check wrap-around */ - ncl = 2; - if (ncl > scl) return 0; /* No free cluster */ - } - cs = get_fat(obj, ncl); /* Get the cluster status */ - if (cs == 0) break; /* Found a free cluster */ - if (cs == 1 || cs == 0xFFFFFFFF) return cs; /* An error occurred */ - if (ncl == scl) return 0; /* No free cluster */ - } - } - - if (_FS_EXFAT && fs->fs_type == FS_EXFAT && obj->stat == 2) { /* Is it a contiguous chain? */ - res = FR_OK; /* FAT does not need to be written */ - } else { - res = put_fat(fs, ncl, 0xFFFFFFFF); /* Mark the new cluster 'EOC' */ - if (res == FR_OK && clst) { - res = put_fat(fs, clst, ncl); /* Link it from the previous one if needed */ - } - } - - if (res == FR_OK) { /* Update FSINFO if function succeeded. */ - fs->last_clst = ncl; - if (fs->free_clst < fs->n_fatent - 2) fs->free_clst--; - fs->fsi_flag |= 1; - } else { - ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1; /* Failed. Create error status */ - } - - return ncl; /* Return new cluster number or error status */ -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Convert offset into cluster with link map table */ -/*-----------------------------------------------------------------------*/ - -#if _USE_FASTSEEK -static -DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ - FIL* fp, /* Pointer to the file object */ - FSIZE_t ofs /* File offset to be converted to cluster# */ -) -{ - DWORD cl, ncl, *tbl; - FATFS *fs = fp->obj.fs; - - - tbl = fp->cltbl + 1; /* Top of CLMT */ - cl = (DWORD)(ofs / SS(fs) / fs->csize); /* Cluster order from top of the file */ - for (;;) { - ncl = *tbl++; /* Number of cluters in the fragment */ - if (ncl == 0) return 0; /* End of table? (error) */ - if (cl < ncl) break; /* In this fragment? */ - cl -= ncl; tbl++; /* Next fragment */ - } - return cl + *tbl; /* Return the cluster number */ -} -#endif /* _USE_FASTSEEK */ - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Set directory index */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_sdi ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp, /* Pointer to directory object */ - DWORD ofs /* Offset of directory table */ -) -{ - DWORD csz, clst; - FATFS *fs = dp->obj.fs; - - - if (ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR) || ofs % SZDIRE) { /* Check range of offset and alignment */ - return FR_INT_ERR; - } - dp->dptr = ofs; /* Set current offset */ - clst = dp->obj.sclust; /* Table start cluster (0:root) */ - if (clst == 0 && fs->fs_type >= FS_FAT32) { /* Replace cluster# 0 with root cluster# */ - clst = fs->dirbase; - if (_FS_EXFAT) dp->obj.stat = 0; /* exFAT: Root dir has an FAT chain */ - } - - if (clst == 0) { /* Static table (root-directory in FAT12/16) */ - if (ofs / SZDIRE >= fs->n_rootdir) return FR_INT_ERR; /* Is index out of range? */ - dp->sect = fs->dirbase; - - } else { /* Dynamic table (sub-directory or root-directory in FAT32+) */ - csz = (DWORD)fs->csize * SS(fs); /* Bytes per cluster */ - while (ofs >= csz) { /* Follow cluster chain */ - clst = get_fat(&dp->obj, clst); /* Get next cluster */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Reached to end of table or internal error */ - ofs -= csz; - } - dp->sect = clust2sect(fs, clst); - } - dp->clust = clst; /* Current cluster# */ - if (!dp->sect) return FR_INT_ERR; - dp->sect += ofs / SS(fs); /* Sector# of the directory entry */ - dp->dir = fs->win + (ofs % SS(fs)); /* Pointer to the entry in the win[] */ - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Move directory table index next */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_next ( /* FR_OK(0):succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */ - DIR* dp, /* Pointer to the directory object */ - int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ -) -{ - DWORD ofs, clst; - FATFS *fs = dp->obj.fs; -#if !_FS_READONLY - UINT n; -#endif - - ofs = dp->dptr + SZDIRE; /* Next entry */ - if (!dp->sect || ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR)) return FR_NO_FILE; /* Report EOT when offset has reached max value */ - - if (ofs % SS(fs) == 0) { /* Sector changed? */ - dp->sect++; /* Next sector */ - - if (!dp->clust) { /* Static table */ - if (ofs / SZDIRE >= fs->n_rootdir) { /* Report EOT if it reached end of static table */ - dp->sect = 0; return FR_NO_FILE; - } - } - else { /* Dynamic table */ - if ((ofs / SS(fs) & (fs->csize - 1)) == 0) { /* Cluster changed? */ - clst = get_fat(&dp->obj, dp->clust); /* Get next cluster */ - if (clst <= 1) return FR_INT_ERR; /* Internal error */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - if (clst >= fs->n_fatent) { /* Reached end of dynamic table */ -#if !_FS_READONLY - if (!stretch) { /* If no stretch, report EOT */ - dp->sect = 0; return FR_NO_FILE; - } - clst = create_chain(&dp->obj, dp->clust); /* Allocate a cluster */ - if (clst == 0) return FR_DENIED; /* No free cluster */ - if (clst == 1) return FR_INT_ERR; /* Internal error */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - /* Clean-up the stretched table */ - if (_FS_EXFAT) dp->obj.stat |= 4; /* The directory needs to be updated */ - if (sync_window(fs) != FR_OK) return FR_DISK_ERR; /* Flush disk access window */ - mem_set(fs->win, 0, SS(fs)); /* Clear window buffer */ - for (n = 0, fs->winsect = clust2sect(fs, clst); n < fs->csize; n++, fs->winsect++) { /* Fill the new cluster with 0 */ - fs->wflag = 1; - if (sync_window(fs) != FR_OK) return FR_DISK_ERR; - } - fs->winsect -= n; /* Restore window offset */ -#else - if (!stretch) dp->sect = 0; /* If no stretch, report EOT (this is to suppress warning) */ - dp->sect = 0; return FR_NO_FILE; /* Report EOT */ -#endif - } - dp->clust = clst; /* Initialize data for new cluster */ - dp->sect = clust2sect(fs, clst); - } - } - } - dp->dptr = ofs; /* Current entry */ - dp->dir = &fs->win[ofs % SS(fs)]; /* Pointer to the entry in the win[] */ - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Reserve a block of directory entries */ -/*-----------------------------------------------------------------------*/ - -#if !_FS_READONLY -static -FRESULT dir_alloc ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp, /* Pointer to the directory object */ - UINT nent /* Number of contiguous entries to allocate */ -) -{ - FRESULT res; - UINT n; - FATFS *fs = dp->obj.fs; - - - res = dir_sdi(dp, 0); - if (res == FR_OK) { - n = 0; - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT ? (int)((dp->dir[XDIR_Type] & 0x80) == 0) : (int)(dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0)) { -#else - if (dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0) { -#endif - if (++n == nent) break; /* A block of contiguous free entries is found */ - } else { - n = 0; /* Not a blank entry. Restart to search */ - } - res = dir_next(dp, 1); - } while (res == FR_OK); /* Next entry with table stretch enabled */ - } - - if (res == FR_NO_FILE) res = FR_DENIED; /* No directory entry to allocate */ - return res; -} -#endif - - - - -/*-----------------------------------------------------------------------*/ -/* FAT: Directory handling - Load/Store start cluster number */ -/*-----------------------------------------------------------------------*/ - -static -DWORD ld_clust ( /* Returns the top cluster value of the SFN entry */ - FATFS* fs, /* Pointer to the fs object */ - const BYTE* dir /* Pointer to the key entry */ -) -{ - DWORD cl; - - cl = ld_word(dir + DIR_FstClusLO); - if (fs->fs_type == FS_FAT32) { - cl |= (DWORD)ld_word(dir + DIR_FstClusHI) << 16; - } - - return cl; -} - - -#if !_FS_READONLY -static -void st_clust ( - FATFS* fs, /* Pointer to the fs object */ - BYTE* dir, /* Pointer to the key entry */ - DWORD cl /* Value to be set */ -) -{ - st_word(dir + DIR_FstClusLO, (WORD)cl); - if (fs->fs_type == FS_FAT32) { - st_word(dir + DIR_FstClusHI, (WORD)(cl >> 16)); - } -} -#endif - - - - -/*------------------------------------------------------------------------*/ -/* FAT-LFN: LFN handling */ -/*------------------------------------------------------------------------*/ -#if _USE_LFN != 0 -static -const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN characters in the directory entry */ - -/*--------------------------------------------------------*/ -/* FAT-LFN: Compare a part of file name with an LFN entry */ -/*--------------------------------------------------------*/ -static -int cmp_lfn ( /* 1:matched, 0:not matched */ - const WCHAR* lfnbuf, /* Pointer to the LFN working buffer to be compared */ - BYTE* dir /* Pointer to the directory entry containing the part of LFN */ -) -{ - UINT i, s; - WCHAR wc, uc; - - - if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ - - i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ - - for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ - uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ - if (wc) { - if (i >= _MAX_LFN || ff_wtoupper(uc) != ff_wtoupper(lfnbuf[i++])) { /* Compare it */ - return 0; /* Not matched */ - } - wc = uc; - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } - - if ((dir[LDIR_Ord] & LLEF) && wc && lfnbuf[i]) return 0; /* Last segment matched but different length */ - - return 1; /* The part of LFN matched */ -} - - - -#if _FS_MINIMIZE <= 1 || _FS_EXFAT -/*-----------------------------------------------------*/ -/* FAT-LFN: Pick a part of file name from an LFN entry */ -/*-----------------------------------------------------*/ -static -int pick_lfn ( /* 1:succeeded, 0:buffer overflow or invalid LFN entry */ - WCHAR* lfnbuf, /* Pointer to the LFN working buffer */ - BYTE* dir /* Pointer to the LFN entry */ -) -{ - UINT i, s; - WCHAR wc, uc; - - - if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ - - i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ - - for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ - uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ - if (wc) { - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i++] = wc = uc; /* Store it */ - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } - - if (dir[LDIR_Ord] & LLEF) { /* Put terminator if it is the last LFN part */ - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i] = 0; - } - - return 1; /* The part of LFN is valid */ -} -#endif - -#if !_FS_READONLY -/*-----------------------------------------*/ -/* FAT-LFN: Create an entry of LFN entries */ -/*-----------------------------------------*/ -static -void put_lfn ( - const WCHAR* lfn, /* Pointer to the LFN */ - BYTE* dir, /* Pointer to the LFN entry to be created */ - BYTE ord, /* LFN order (1-20) */ - BYTE sum /* Checksum of the corresponding SFN */ -) -{ - UINT i, s; - WCHAR wc; - - - dir[LDIR_Chksum] = sum; /* Set checksum */ - dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */ - dir[LDIR_Type] = 0; - st_word(dir + LDIR_FstClusLO, 0); - - i = (ord - 1) * 13; /* Get offset in the LFN working buffer */ - s = wc = 0; - do { - if (wc != 0xFFFF) wc = lfn[i++]; /* Get an effective character */ - st_word(dir + LfnOfs[s], wc); /* Put it */ - if (wc == 0) wc = 0xFFFF; /* Padding characters for left locations */ - } while (++s < 13); - if (wc == 0xFFFF || !lfn[i]) ord |= LLEF; /* Last LFN part is the start of LFN sequence */ - dir[LDIR_Ord] = ord; /* Set the LFN order */ -} - -#endif -#endif - - - -/*-----------------------------------------------------------------------*/ -/* FAT-LFN: Create a Numbered SFN */ -/*-----------------------------------------------------------------------*/ -#if _USE_LFN != 0 && !_FS_READONLY -static -void gen_numname ( - BYTE* dst, /* Pointer to the buffer to store numbered SFN */ - const BYTE* src, /* Pointer to SFN */ - const WCHAR* lfn, /* Pointer to LFN */ - UINT seq /* Sequence number */ -) -{ - BYTE ns[8], c; - UINT i, j; - WCHAR wc; - DWORD sr; - - - mem_cpy(dst, src, 11); - - if (seq > 5) { /* In case of many collisions, generate a hash number instead of sequential number */ - sr = seq; - while (*lfn) { /* Create a CRC */ - wc = *lfn++; - for (i = 0; i < 16; i++) { - sr = (sr << 1) + (wc & 1); - wc >>= 1; - if (sr & 0x10000) sr ^= 0x11021; - } - } - seq = (UINT)sr; - } - - /* itoa (hexdecimal) */ - i = 7; - do { - c = (seq % 16) + '0'; - if (c > '9') c += 7; - ns[i--] = c; - seq /= 16; - } while (seq); - ns[i] = '~'; - - /* Append the number */ - for (j = 0; j < i && dst[j] != ' '; j++) { - if (IsDBCS1(dst[j])) { - if (j == i - 1) break; - j++; - } - } - do { - dst[j++] = (i < 8) ? ns[i++] : ' '; - } while (j < 8); -} -#endif - - - -/*-----------------------------------------------------------------------*/ -/* FAT-LFN: Calculate checksum of an SFN entry */ -/*-----------------------------------------------------------------------*/ -#if _USE_LFN != 0 -static -BYTE sum_sfn ( - const BYTE* dir /* Pointer to the SFN entry */ -) -{ - BYTE sum = 0; - UINT n = 11; - - do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n); - return sum; -} -#endif - - - - -#if _FS_EXFAT -/*-----------------------------------------------------------------------*/ -/* exFAT: Directory handling - Load/Store a block of directory entries */ -/*-----------------------------------------------------------------------*/ - -static -WORD xdir_sum ( /* Get checksum of the directoly block */ - const BYTE* dir /* Directory entry block to be calculated */ -) -{ - UINT i, szblk; - WORD sum; - - - szblk = (dir[XDIR_NumSec] + 1) * SZDIRE; - for (i = sum = 0; i < szblk; i++) { - if (i == XDIR_SetSum) { /* Skip sum field */ - i++; - } else { - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + dir[i]; - } - } - return sum; -} - - - -static -WORD xname_sum ( /* Get check sum (to be used as hash) of the name */ - const WCHAR* name /* File name to be calculated */ -) -{ - WCHAR chr; - WORD sum = 0; - - - while ((chr = *name++) != 0) { - chr = ff_wtoupper(chr); /* File name needs to be ignored case */ - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr & 0xFF); - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr >> 8); - } - return sum; -} - - -/*------------------------------------------------------*/ -/* exFAT: Get object information from a directory block */ -/*------------------------------------------------------*/ -static -void get_xdir_info ( - BYTE* dirb, /* Pointer to the direcotry entry block 85+C0+C1s */ - FILINFO* fno /* Buffer to store the extracted file information */ -) -{ - UINT di, si, nc; - WCHAR w; - - /* Get file name */ -#if _LFN_UNICODE - if (dirb[XDIR_NumName] <= _MAX_LFN) { - for (si = SZDIRE * 2, di = 0; di < dirb[XDIR_NumName]; si += 2, di++) { - if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ - w = ld_word(dirb + si); /* Get a character */ - fno->fname[di] = w; /* Store it */ - } - } else { - di = 0; /* Buffer overflow and inaccessible object */ - } -#else - for (si = SZDIRE * 2, di = nc = 0; nc < dirb[XDIR_NumName]; si += 2, nc++) { - if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ - w = ld_word(dirb + si); /* Get a character */ - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) { di = 0; break; } /* Could not be converted and inaccessible object */ - if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ - fno->fname[di++] = (char)(w >> 8); - } - if (di >= _MAX_LFN) { di = 0; break; } /* Buffer overflow and inaccessible object */ - fno->fname[di++] = (char)w; - } -#endif - if (di == 0) fno->fname[di++] = '?'; /* Inaccessible object? */ - fno->fname[di] = 0; /* Terminate file name */ - - fno->altname[0] = 0; /* No SFN */ - fno->fattrib = dirb[XDIR_Attr]; /* Attribute */ - fno->fsize = (fno->fattrib & AM_DIR) ? 0 : ld_qword(dirb + XDIR_FileSize); /* Size */ - fno->ftime = ld_word(dirb + XDIR_ModTime + 0); /* Time */ - fno->fdate = ld_word(dirb + XDIR_ModTime + 2); /* Date */ -} - - -/*-----------------------------------*/ -/* exFAT: Get a directry entry block */ -/*-----------------------------------*/ -static -FRESULT load_xdir ( /* FR_INT_ERR: invalid entry block */ - DIR* dp /* Pointer to the reading direcotry object pointing the 85 entry */ -) -{ - FRESULT res; - UINT i, nent; - BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the on-memory direcotry entry block 85+C0+C1s */ - - - /* Load 85 entry */ - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0x85) return FR_INT_ERR; - mem_cpy(&dirb[0], dp->dir, SZDIRE); - nent = dirb[XDIR_NumSec] + 1; - - /* Load C0 entry */ - res = dir_next(dp, 0); - if (res != FR_OK) return res; - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0xC0) return FR_INT_ERR; - mem_cpy(dirb + SZDIRE, dp->dir, SZDIRE); - - /* Load C1 entries */ - if (nent < 3 || nent > 19) return FR_NO_FILE; - i = SZDIRE * 2; nent *= SZDIRE; - do { - res = dir_next(dp, 0); - if (res != FR_OK) return res; - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0xC1) return FR_INT_ERR; - mem_cpy(dirb + i, dp->dir, SZDIRE); - i += SZDIRE; - } while (i < nent); - - /* Sanity check */ - if (xdir_sum(dirb) != ld_word(dirb + XDIR_SetSum)) return FR_INT_ERR; - - return FR_OK; -} - - -#if !_FS_READONLY || _FS_RPATH != 0 -/*------------------------------------------------*/ -/* exFAT: Load the object's directory entry block */ -/*------------------------------------------------*/ -static -FRESULT load_obj_dir ( - DIR* dp, /* Blank directory object to be used to access containing direcotry */ - const _FDID* obj /* Object with containing directory information */ -) -{ - FRESULT res; - - - /* Open object containing directory */ - dp->obj.fs = obj->fs; - dp->obj.sclust = obj->c_scl; - dp->obj.stat = (BYTE)obj->c_size; - dp->obj.objsize = obj->c_size & 0xFFFFFF00; - dp->blk_ofs = obj->c_ofs; - - res = dir_sdi(dp, dp->blk_ofs); /* Goto the block location */ - if (res == FR_OK) { - res = load_xdir(dp); /* Load the object's entry block */ - } - return res; -} -#endif - - -#if !_FS_READONLY -/*-----------------------------------------------*/ -/* exFAT: Store the directory block to the media */ -/*-----------------------------------------------*/ -static -FRESULT store_xdir ( - DIR* dp /* Pointer to the direcotry object */ -) -{ - FRESULT res; - UINT nent; - WORD sum; - BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the direcotry entry block 85+C0+C1s */ - - /* Create set sum */ - sum = xdir_sum(dirb); - st_word(dirb + XDIR_SetSum, sum); - nent = dirb[XDIR_NumSec] + 1; - - res = dir_sdi(dp, dp->blk_ofs); - while (res == FR_OK && (res = move_window(dp->obj.fs, dp->sect)) == FR_OK) { - mem_cpy(dp->dir, dirb, SZDIRE); - dp->obj.fs->wflag = 1; - if (--nent == 0) break; - dirb += SZDIRE; - res = dir_next(dp, 0); - } - return (res == FR_OK || res == FR_DISK_ERR) ? res : FR_INT_ERR; -} - - -/*-------------------------------------------*/ -/* exFAT: Create a new directory enrty block */ -/*-------------------------------------------*/ -static -void create_xdir ( - BYTE* dirb, /* Pointer to the direcotry entry block buffer */ - const WCHAR* lfn /* Pointer to the nul terminated file name */ -) -{ - UINT i; - BYTE nb, nc; - WCHAR chr; - WORD hash; - - - mem_set(dirb, 0, 2 * SZDIRE); /* Initialize 85+C0 entry */ - dirb[XDIR_Type] = 0x85; - dirb[XDIR_Type + SZDIRE] = 0xC0; - hash = xname_sum(lfn); - st_word(dirb + XDIR_NameHash, hash); /* Set name hash */ - - i = SZDIRE * 2; /* C1 offset */ - nc = 0; nb = 1; chr = 1; - do { - dirb[i++] = 0xC1; dirb[i++] = 0; /* Entry type C1 */ - do { /* Fill name field */ - if (chr && (chr = lfn[nc]) != 0) nc++; /* Get a character if exist */ - st_word(dirb + i, chr); i += 2; /* Store it */ - } while (i % SZDIRE); - nb++; - } while (lfn[nc]); /* Fill next entry if any char follows */ - - dirb[XDIR_NumName] = nc; /* Set name length */ - dirb[XDIR_NumSec] = nb; /* Set number of C0+C1s */ -} -#endif -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Read an object from the directory */ -/*-----------------------------------------------------------------------*/ -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 || _USE_LABEL || _FS_EXFAT -static -FRESULT dir_read ( - DIR* dp, /* Pointer to the directory object */ - int vol /* Filtered by 0:file/directory or 1:volume label */ -) -{ - FRESULT res = FR_NO_FILE; - FATFS *fs = dp->obj.fs; - BYTE a, c; -#if _USE_LFN != 0 - BYTE ord = 0xFF, sum = 0xFF; -#endif - - while (dp->sect) { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - c = dp->dir[DIR_Name]; /* Test for the entry type */ - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of the directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - if (_USE_LABEL && vol) { - if (c == 0x83) break; /* Volume label entry? */ - } else { - if (c == 0x85) { /* Start of the entry block? */ - dp->blk_ofs = dp->dptr; /* Set location of block */ - res = load_xdir(dp); /* Load the entry block */ - if (res == FR_OK) { - dp->obj.attr = fs->dirbuf[XDIR_Attr] & AM_MASK; /* Get attribute */ - } - break; - } - } - } else -#endif - { /* At the FAT12/16/32 */ - dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; /* Get attribute */ -#if _USE_LFN != 0 /* LFN configuration */ - if (c == DDEM || c == '.' || (int)((a & ~AM_ARC) == AM_VOL) != vol) { /* An entry without valid data */ - ord = 0xFF; - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (c & LLEF) { /* Is it start of an LFN sequence? */ - sum = dp->dir[LDIR_Chksum]; - c &= ~LLEF; ord = c; - dp->blk_ofs = dp->dptr; - } - /* Check LFN validity and capture it */ - ord = (c == ord && sum == dp->dir[LDIR_Chksum] && pick_lfn(dp->lfn, dp->dir)) ? ord - 1 : 0xFF; - } else { /* An SFN entry is found */ - if (ord || sum != sum_sfn(dp->dir)) { /* Is there a valid LFN? */ - dp->blk_ofs = 0xFFFFFFFF; /* It has no LFN. */ - } - break; - } - } -#else /* Non LFN configuration */ - if (c != DDEM && c != '.' && a != AM_LFN && (int)((a & ~AM_ARC) == AM_VOL) == vol) { /* Is it a valid entry? */ - break; - } -#endif - } - res = dir_next(dp, 0); /* Next entry */ - if (res != FR_OK) break; - } - - if (res != FR_OK) dp->sect = 0; /* Terminate the read operation on error or EOT */ - return res; -} -#endif /* _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2 */ - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Find an object in the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_find ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp /* Pointer to the directory object with the file name */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; - BYTE c; -#if _USE_LFN != 0 - BYTE a, ord, sum; -#endif - - res = dir_sdi(dp, 0); /* Rewind directory object */ - if (res != FR_OK) return res; -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - BYTE nc; - UINT di, ni; - WORD hash = xname_sum(dp->lfn); /* Hash value of the name to find */ - - while ((res = dir_read(dp, 0)) == FR_OK) { /* Read an item */ - if (ld_word(fs->dirbuf + XDIR_NameHash) != hash) continue; /* Skip the comparison if hash value mismatched */ - for (nc = fs->dirbuf[XDIR_NumName], di = SZDIRE * 2, ni = 0; nc; nc--, di += 2, ni++) { /* Compare the name */ - if ((di % SZDIRE) == 0) di += 2; - if (ff_wtoupper(ld_word(fs->dirbuf + di)) != ff_wtoupper(dp->lfn[ni])) break; - } - if (nc == 0 && !dp->lfn[ni]) break; /* Name matched? */ - } - return res; - } -#endif - /* At the FAT12/16/32 */ -#if _USE_LFN != 0 - ord = sum = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ -#endif - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - c = dp->dir[DIR_Name]; - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ -#if _USE_LFN != 0 /* LFN configuration */ - dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; - if (c == DDEM || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */ - ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (dp->lfn) { - if (c & LLEF) { /* Is it start of LFN sequence? */ - sum = dp->dir[LDIR_Chksum]; - c &= ~LLEF; ord = c; /* LFN start order */ - dp->blk_ofs = dp->dptr; /* Start offset of LFN */ - } - /* Check validity of the LFN entry and compare it with given name */ - ord = (c == ord && sum == dp->dir[LDIR_Chksum] && cmp_lfn(dp->lfn, dp->dir)) ? ord - 1 : 0xFF; - } - } else { /* An SFN entry is found */ - if (!ord && sum == sum_sfn(dp->dir)) break; /* LFN matched? */ - if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* SFN matched? */ - ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ - } - } -#else /* Non LFN configuration */ - dp->obj.attr = dp->dir[DIR_Attr] & AM_MASK; - if (!(dp->dir[DIR_Attr] & AM_VOL) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* Is it a valid entry? */ -#endif - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK); - - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Register an object to the directory */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT dir_register ( /* FR_OK:succeeded, FR_DENIED:no free entry or too many SFN collision, FR_DISK_ERR:disk error */ - DIR* dp /* Target directory with object name to be created */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; -#if _USE_LFN != 0 /* LFN configuration */ - UINT n, nlen, nent; - BYTE sn[12], *fn, sum; - WCHAR *lfn; - - - fn = dp->fn; lfn = dp->lfn; - if (fn[NSFLAG] & (NS_DOT | NS_NONAME)) return FR_INVALID_NAME; /* Check name validity */ - for (nlen = 0; lfn[nlen]; nlen++) ; /* Get lfn length */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - DIR dj; - - nent = (nlen + 14) / 15 + 2; /* Number of entries to allocate (85+C0+C1s) */ - res = dir_alloc(dp, nent); /* Allocate entries */ - if (res != FR_OK) return res; - dp->blk_ofs = dp->dptr - SZDIRE * (nent - 1); /* Set block position */ - - if (dp->obj.stat & 4) { /* Has the sub-directory been stretched? */ - dp->obj.stat &= 3; - dp->obj.objsize += (DWORD)fs->csize * SS(fs); /* Increase object size by cluster size */ - res = fill_fat_chain(&dp->obj); /* Complement FAT chain if needed */ - if (res != FR_OK) return res; - res = load_obj_dir(&dj, &dp->obj); - if (res != FR_OK) return res; /* Load the object status */ - st_qword(fs->dirbuf + XDIR_FileSize, dp->obj.objsize); /* Update the allocation status */ - st_qword(fs->dirbuf + XDIR_ValidFileSize, dp->obj.objsize); - fs->dirbuf[XDIR_GenFlags] = dp->obj.stat | 1; - res = store_xdir(&dj); /* Store the object status */ - if (res != FR_OK) return res; - } - - create_xdir(fs->dirbuf, lfn); /* Create on-memory directory block to be written later */ - return FR_OK; - } -#endif - /* At the FAT12/16/32 */ - mem_cpy(sn, fn, 12); - if (sn[NSFLAG] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ - fn[NSFLAG] = 0; dp->lfn = 0; /* Find only SFN */ - for (n = 1; n < 100; n++) { - gen_numname(fn, sn, lfn, n); /* Generate a numbered name */ - res = dir_find(dp); /* Check if the name collides with existing SFN */ - if (res != FR_OK) break; - } - if (n == 100) return FR_DENIED; /* Abort if too many collisions */ - if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */ - fn[NSFLAG] = sn[NSFLAG]; dp->lfn = lfn; - } - - /* Create an SFN with/without LFNs. */ - nent = (sn[NSFLAG] & NS_LFN) ? (nlen + 12) / 13 + 1 : 1; /* Number of entries to allocate */ - res = dir_alloc(dp, nent); /* Allocate entries */ - if (res == FR_OK && --nent) { /* Set LFN entry if needed */ - res = dir_sdi(dp, dp->dptr - nent * SZDIRE); - if (res == FR_OK) { - sum = sum_sfn(dp->fn); /* Checksum value of the SFN tied to the LFN */ - do { /* Store LFN entries in bottom first */ - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - put_lfn(dp->lfn, dp->dir, (BYTE)nent, sum); - fs->wflag = 1; - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK && --nent); - } - } - -#else /* Non LFN configuration */ - res = dir_alloc(dp, 1); /* Allocate an entry for SFN */ - -#endif - - /* Set SFN entry */ - if (res == FR_OK) { - res = move_window(fs, dp->sect); - if (res == FR_OK) { - mem_set(dp->dir, 0, SZDIRE); /* Clean the entry */ - mem_cpy(dp->dir + DIR_Name, dp->fn, 11); /* Put SFN */ -#if _USE_LFN != 0 - dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY | NS_EXT); /* Put NT flag */ -#endif - fs->wflag = 1; - } - } - - return res; -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Remove an object from the directory */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY && !_FS_MINIMIZE -static -FRESULT dir_remove ( /* FR_OK:Succeeded, FR_DISK_ERR:A disk error */ - DIR* dp /* Directory object pointing the entry to be removed */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; -#if _USE_LFN != 0 /* LFN configuration */ - DWORD last = dp->dptr; - - res = dp->blk_ofs == 0xFFFFFFFF ? FR_OK : dir_sdi(dp, dp->blk_ofs); /* Goto top of the entry block if LFN is exist */ - if (res == FR_OK) { - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - /* Mark an entry 'deleted' */ - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { /* At the exFAT */ - dp->dir[XDIR_Type] &= 0x7F; - } else { /* At the FAT12/16/32 */ - dp->dir[DIR_Name] = DDEM; - } - fs->wflag = 1; - if (dp->dptr >= last) break; /* If reached last entry then all entries of the object has been deleted. */ - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK); - if (res == FR_NO_FILE) res = FR_INT_ERR; - } -#else /* Non LFN configuration */ - - res = move_window(fs, dp->sect); - if (res == FR_OK) { - dp->dir[DIR_Name] = DDEM; - fs->wflag = 1; - } -#endif - - return res; -} -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Get file information from directory entry */ -/*-----------------------------------------------------------------------*/ -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 -static -void get_fileinfo ( /* No return code */ - DIR* dp, /* Pointer to the directory object */ - FILINFO* fno /* Pointer to the file information to be filled */ -) -{ - UINT i, j; - TCHAR c; -#if _USE_LFN != 0 - WCHAR w, *lfn; - WCHAR lfv; -#endif - - - fno->fname[0] = 0; /* Invaidate file info */ - if (!dp->sect) return; /* Exit if read pointer has reached end of directory */ - -#if _USE_LFN != 0 /* LFN configuration */ -#if _FS_EXFAT - if (dp->obj.fs->fs_type == FS_EXFAT) { /* At the exFAT */ - get_xdir_info(dp->obj.fs->dirbuf, fno); - return; - } else -#endif - { /* At the FAT12/16/32 */ - if (dp->blk_ofs != 0xFFFFFFFF) { /* Get LFN if available */ - i = 0; lfn = dp->lfn; - while ((w = *lfn++) != 0) { /* Get an LFN character */ -#if !_LFN_UNICODE - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) { i = 0; break; } /* No LFN if it could not be converted */ - if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ - fno->fname[i++] = (char)(w >> 8); - } -#endif - if (i >= _MAX_LFN) { i = 0; break; } /* No LFN if buffer overflow */ - fno->fname[i++] = (char)w; - } - fno->fname[i] = 0; /* Terminate the LFN */ - } - } - - i = j = 0; - lfv = fno->fname[i]; /* LFN is exist if non-zero */ - while (i < 11) { /* Copy name body and extension */ - c = (TCHAR)dp->dir[i++]; - if (c == ' ') continue; /* Skip padding spaces */ - if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ - if (i == 9) { /* Insert a . if extension is exist */ - if (!lfv) fno->fname[j] = '.'; - fno->altname[j++] = '.'; - } -#if _LFN_UNICODE - if (IsDBCS1(c) && i != 8 && i != 11 && IsDBCS2(dp->dir[i])) { - c = c << 8 | dp->dir[i++]; - } - c = ff_convert(c, 1); /* OEM -> Unicode */ - if (!c) c = '?'; -#endif - fno->altname[j] = c; - if (!lfv) { - if (IsUpper(c) && (dp->dir[DIR_NTres] & (i >= 9 ? NS_EXT : NS_BODY))) { - c += 0x20; /* To lower */ - } - fno->fname[j] = c; - } - j++; - } - if (!lfv) { - fno->fname[j] = 0; - if (!dp->dir[DIR_NTres]) j = 0; /* Altname is no longer needed if neither LFN nor case info is exist. */ - } - fno->altname[j] = 0; /* Terminate the SFN */ - -#else /* Non-LFN configuration */ - i = j = 0; - while (i < 11) { /* Copy name body and extension */ - c = (TCHAR)dp->dir[i++]; - if (c == ' ') continue; /* Skip padding spaces */ - if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ - if (i == 9) fno->fname[j++] = '.'; /* Insert a . if extension is exist */ - fno->fname[j++] = c; - } - fno->fname[j] = 0; -#endif - - fno->fattrib = dp->dir[DIR_Attr]; /* Attribute */ - fno->fsize = ld_dword(dp->dir + DIR_FileSize); /* Size */ - fno->fdate = ld_word(dp->dir + DIR_WrtDate); /* Date */ - fno->ftime = ld_word(dp->dir + DIR_WrtTime); /* Time */ -} -#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 */ - - - - -/*-----------------------------------------------------------------------*/ -/* Pattern matching */ -/*-----------------------------------------------------------------------*/ -#if _USE_FIND && _FS_MINIMIZE <= 1 -static -WCHAR get_achar ( /* Get a character and advances ptr 1 or 2 */ - const TCHAR** ptr /* Pointer to pointer to the SBCS/DBCS/Unicode string */ -) -{ -#if !_LFN_UNICODE - WCHAR chr; - - chr = (BYTE)*(*ptr)++; /* Get a byte */ - if (IsLower(chr)) chr -= 0x20; /* To upper ASCII char */ -#ifdef _EXCVT - if (chr >= 0x80) chr = ExCvt[chr - 0x80]; /* To upper SBCS extended char */ -#else - if (IsDBCS1(chr) && IsDBCS2(**ptr)) { /* Get DBC 2nd byte if needed */ - chr = chr << 8 | (BYTE)*(*ptr)++; - } -#endif - return chr; -#else - return ff_wtoupper(*(*ptr)++); /* Get a word and to upper */ -#endif -} - - -static -int pattern_matching ( /* 0:not matched, 1:matched */ - const TCHAR* pat, /* Matching pattern */ - const TCHAR* nam, /* String to be tested */ - int skip, /* Number of pre-skip chars (number of ?s) */ - int inf /* Infinite search (* specified) */ -) -{ - const TCHAR *pp, *np; - WCHAR pc, nc; - int nm, nx; - - - while (skip--) { /* Pre-skip name chars */ - if (!get_achar(&nam)) return 0; /* Branch mismatched if less name chars */ - } - if (!*pat && inf) return 1; /* (short circuit) */ - - do { - pp = pat; np = nam; /* Top of pattern and name to match */ - for (;;) { - if (*pp == '?' || *pp == '*') { /* Wildcard? */ - nm = nx = 0; - do { /* Analyze the wildcard chars */ - if (*pp++ == '?') nm++; else nx = 1; - } while (*pp == '?' || *pp == '*'); - if (pattern_matching(pp, np, nm, nx)) return 1; /* Test new branch (recursions upto number of wildcard blocks in the pattern) */ - nc = *np; break; /* Branch mismatched */ - } - pc = get_achar(&pp); /* Get a pattern char */ - nc = get_achar(&np); /* Get a name char */ - if (pc != nc) break; /* Branch mismatched? */ - if (pc == 0) return 1; /* Branch matched? (matched at end of both strings) */ - } - get_achar(&nam); /* nam++ */ - } while (inf && nc); /* Retry until end of name if infinite search is specified */ - - return 0; -} -#endif /* _USE_FIND && _FS_MINIMIZE <= 1 */ - - - - -/*-----------------------------------------------------------------------*/ -/* Pick a top segment and create the object name in directory form */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT create_name ( /* FR_OK: successful, FR_INVALID_NAME: could not create */ - DIR* dp, /* Pointer to the directory object */ - const TCHAR** path /* Pointer to pointer to the segment in the path string */ -) -{ -#if _USE_LFN != 0 /* LFN configuration */ - BYTE b, cf; - WCHAR w, *lfn; - UINT i, ni, si, di; - const TCHAR *p; - - /* Create LFN in Unicode */ - p = *path; lfn = dp->lfn; si = di = 0; - for (;;) { - w = p[si++]; /* Get a character */ - if (w < ' ' || w == '/' || w == '\\') { /* Break on end of segment */ - while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator */ - break; - } - if (di >= _MAX_LFN) return FR_INVALID_NAME; /* Reject too long name */ -#if !_LFN_UNICODE - w &= 0xFF; - if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */ - b = (BYTE)p[si++]; /* Get 2nd byte */ - w = (w << 8) + b; /* Create a DBC */ - if (!IsDBCS2(b)) return FR_INVALID_NAME; /* Reject invalid sequence */ - } - w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */ - if (!w) return FR_INVALID_NAME; /* Reject invalid code */ -#endif - if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) return FR_INVALID_NAME; /* Reject illegal characters for LFN */ - lfn[di++] = w; /* Store the Unicode character */ - } - *path = &p[si]; /* Return pointer to the next segment */ - cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */ -#if _FS_RPATH != 0 - if ((di == 1 && lfn[di - 1] == '.') || - (di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) { /* Is this segment a dot name? */ - lfn[di] = 0; - for (i = 0; i < 11; i++) /* Create dot name for SFN entry */ - dp->fn[i] = (i < di) ? '.' : ' '; - dp->fn[i] = cf | NS_DOT; /* This is a dot entry */ - return FR_OK; - } -#endif - while (di) { /* Snip off trailing spaces and dots if exist */ - w = lfn[di - 1]; - if (w != ' ' && w != '.') break; - di--; - } - lfn[di] = 0; /* LFN is created */ - if (di == 0) return FR_INVALID_NAME; /* Reject nul name */ - - /* Create SFN in directory form */ - mem_set(dp->fn, ' ', 11); - for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */ - if (si) cf |= NS_LOSS | NS_LFN; - while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */ - - b = i = 0; ni = 8; - for (;;) { - w = lfn[si++]; /* Get an LFN character */ - if (!w) break; /* Break on end of the LFN */ - if (w == ' ' || (w == '.' && si != di)) { /* Remove spaces and dots */ - cf |= NS_LOSS | NS_LFN; continue; - } - - if (i >= ni || si == di) { /* Extension or end of SFN */ - if (ni == 11) { /* Long extension */ - cf |= NS_LOSS | NS_LFN; break; - } - if (si != di) cf |= NS_LOSS | NS_LFN; /* Out of 8.3 format */ - if (si > di) break; /* No extension */ - si = di; i = 8; ni = 11; /* Enter extension section */ - b <<= 2; continue; - } - - if (w >= 0x80) { /* Non ASCII character */ -#ifdef _EXCVT - w = ff_convert(w, 0); /* Unicode -> OEM code */ - if (w) w = ExCvt[w - 0x80]; /* Convert extended character to upper (SBCS) */ -#else - w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */ -#endif - cf |= NS_LFN; /* Force create LFN entry */ - } - - if (_DF1S && w >= 0x100) { /* Is this DBC? (always false at SBCS cfg) */ - if (i >= ni - 1) { - cf |= NS_LOSS | NS_LFN; i = ni; continue; - } - dp->fn[i++] = (BYTE)(w >> 8); - } else { /* SBC */ - if (!w || chk_chr("+,;=[]", w)) { /* Replace illegal characters for SFN */ - w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */ - } else { - if (IsUpper(w)) { /* ASCII large capital */ - b |= 2; - } else { - if (IsLower(w)) { /* ASCII small capital */ - b |= 1; w -= 0x20; - } - } - } - } - dp->fn[i++] = (BYTE)w; - } - - if (dp->fn[0] == DDEM) dp->fn[0] = RDDEM; /* If the first character collides with DDEM, replace it with RDDEM */ - - if (ni == 8) b <<= 2; - if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03) cf |= NS_LFN; /* Create LFN entry when there are composite capitals */ - if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended character, NT flags are created */ - if ((b & 0x03) == 0x01) cf |= NS_EXT; /* NT flag (Extension has only small capital) */ - if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */ - } - - dp->fn[NSFLAG] = cf; /* SFN is created */ - - return FR_OK; - - -#else /* Non-LFN configuration */ - BYTE b, c, d, *sfn; - UINT ni, si, i; - const char *p; - - /* Create file name in directory form */ - p = *path; sfn = dp->fn; - mem_set(sfn, ' ', 11); - si = i = b = 0; ni = 8; -#if _FS_RPATH != 0 - if (p[si] == '.') { /* Is this a dot entry? */ - for (;;) { - c = (BYTE)p[si++]; - if (c != '.' || si >= 3) break; - sfn[i++] = c; - } - if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; - *path = &p[si]; /* Return pointer to the next segment */ - sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */ - return FR_OK; - } -#endif - for (;;) { - c = (BYTE)p[si++]; - if (c <= ' ' || c == '/' || c == '\\') { /* Break on end of segment */ - while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator */ - break; - } - if (c == '.' || i >= ni) { - if (ni != 8 || c != '.') return FR_INVALID_NAME; - i = 8; ni = 11; - b <<= 2; continue; - } - if (c >= 0x80) { /* Extended character? */ - b |= 3; /* Eliminate NT flag */ -#ifdef _EXCVT - c = ExCvt[c - 0x80]; /* To upper extended characters (SBCS cfg) */ -#else -#if !_DF1S - return FR_INVALID_NAME; /* Reject extended characters (ASCII cfg) */ -#endif -#endif - } - if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false at SBCS cfg.) */ - d = (BYTE)p[si++]; /* Get 2nd byte */ - if (!IsDBCS2(d) || i >= ni - 1) return FR_INVALID_NAME; /* Reject invalid DBC */ - sfn[i++] = c; - sfn[i++] = d; - } else { /* SBC */ - if (chk_chr("\"*+,:;<=>\?[]|\x7F", c)) return FR_INVALID_NAME; /* Reject illegal chrs for SFN */ - if (IsUpper(c)) { /* ASCII large capital? */ - b |= 2; - } else { - if (IsLower(c)) { /* ASCII small capital? */ - b |= 1; c -= 0x20; - } - } - sfn[i++] = c; - } - } - *path = &p[si]; /* Return pointer to the next segment */ - c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */ - - if (i == 0) return FR_INVALID_NAME; /* Reject nul string */ - if (sfn[0] == DDEM) sfn[0] = RDDEM; /* When first character collides with DDEM, replace it with RDDEM */ - - if (ni == 8) b <<= 2; - if ((b & 0x03) == 0x01) c |= NS_EXT; /* NT flag (Name extension has only small capital) */ - if ((b & 0x0C) == 0x04) c |= NS_BODY; /* NT flag (Name body has only small capital) */ - - sfn[NSFLAG] = c; /* Store NT flag, File name is created */ - - return FR_OK; -#endif -} - - - - -/*-----------------------------------------------------------------------*/ -/* Follow a file path */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ - DIR* dp, /* Directory object to return last directory and found object */ - const TCHAR* path /* Full-path string to find a file or directory */ -) -{ - FRESULT res; - BYTE ns; - _FDID *obj = &dp->obj; - FATFS *fs = obj->fs; - - -#if _FS_RPATH != 0 - if (*path != '/' && *path != '\\') { /* Without heading separator */ - obj->sclust = fs->cdir; /* Start from the current directory */ - } else -#endif - { /* With heading separator */ - while (*path == '/' || *path == '\\') path++; /* Strip heading separator */ - obj->sclust = 0; /* Start from the root directory */ - } -#if _FS_EXFAT && _FS_RPATH != 0 - if (fs->fs_type == FS_EXFAT && obj->sclust) { /* Retrieve the sub-directory status if needed */ - DIR dj; - - obj->c_scl = fs->cdc_scl; - obj->c_size = fs->cdc_size; - obj->c_ofs = fs->cdc_ofs; - res = load_obj_dir(&dj, obj); - if (res != FR_OK) return res; - obj->objsize = ld_dword(fs->dirbuf + XDIR_FileSize); - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - } -#endif - - if ((UINT)*path < ' ') { /* Null path name is the origin directory itself */ - dp->fn[NSFLAG] = NS_NONAME; - res = dir_sdi(dp, 0); - - } else { /* Follow path */ - for (;;) { - res = create_name(dp, &path); /* Get a segment name of the path */ - if (res != FR_OK) break; - res = dir_find(dp); /* Find an object with the segment name */ - ns = dp->fn[NSFLAG]; - if (res != FR_OK) { /* Failed to find the object */ - if (res == FR_NO_FILE) { /* Object is not found */ - if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exist, stay there */ - if (!(ns & NS_LAST)) continue; /* Continue to follow if not last segment */ - dp->fn[NSFLAG] = NS_NONAME; - res = FR_OK; - } else { /* Could not find the object */ - if (!(ns & NS_LAST)) res = FR_NO_PATH; /* Adjust error code if not last segment */ - } - } - break; - } - if (ns & NS_LAST) break; /* Last segment matched. Function completed. */ - /* Get into the sub-directory */ - if (!(obj->attr & AM_DIR)) { /* It is not a sub-directory and cannot follow */ - res = FR_NO_PATH; break; - } -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - obj->c_scl = obj->sclust; /* Save containing directory information for next dir */ - obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; - obj->c_ofs = dp->blk_ofs; - obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Open next directory */ - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - } else -#endif - { - obj->sclust = ld_clust(fs, &fs->win[dp->dptr % SS(fs)]); /* Open next directory */ - } - } - } - - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Get logical drive number from path name */ -/*-----------------------------------------------------------------------*/ - -static -int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ - const TCHAR** path /* Pointer to pointer to the path name */ -) -{ - const TCHAR *tp, *tt; - UINT i; - int vol = -1; -#if _STR_VOLUME_ID /* Find string drive id */ - static const char* const str[] = {_VOLUME_STRS}; - const char *sp; - char c; - TCHAR tc; -#endif - - - if (*path) { /* If the pointer is not a null */ - for (tt = *path; (UINT)*tt >= (_USE_LFN ? ' ' : '!') && *tt != ':'; tt++) ; /* Find ':' in the path */ - if (*tt == ':') { /* If a ':' is exist in the path name */ - tp = *path; - i = *tp++ - '0'; - if (i < 10 && tp == tt) { /* Is there a numeric drive id? */ - if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ - vol = (int)i; - *path = ++tt; - } - } -#if _STR_VOLUME_ID - else { /* No numeric drive number, find string drive id */ - i = 0; tt++; - do { - sp = str[i]; tp = *path; - do { /* Compare a string drive id with path name */ - c = *sp++; tc = *tp++; - if (IsLower(tc)) tc -= 0x20; - } while (c && (TCHAR)c == tc); - } while ((c || tp != tt) && ++i < _VOLUMES); /* Repeat for each id until pattern match */ - if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ - vol = (int)i; - *path = tt; - } - } -#endif - return vol; - } -#if _FS_RPATH != 0 && _VOLUMES >= 2 - vol = CurrVol; /* Current drive */ -#else - vol = 0; /* Drive 0 */ -#endif - } - return vol; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Load a sector and check if it is an FAT boot sector */ -/*-----------------------------------------------------------------------*/ - -static -BYTE check_fs ( /* 0:FAT, 1:exFAT, 2:Valid BS but not FAT, 3:Not a BS, 4:Disk error */ - FATFS* fs, /* File system object */ - DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */ -) -{ - fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */ - if (move_window(fs, sect) != FR_OK) return 4; /* Load boot record */ - - if (ld_word(&fs->win[BS_55AA]) != 0xAA55) return 3; /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */ - - if ((ld_dword(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */ - if ((ld_dword(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */ -#if _FS_EXFAT - if (!mem_cmp(&fs->win[BS_OEMName], "EXFAT ", 8)) return 1; -#endif - return 2; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Find logical drive and check if the volume is mounted */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ - const TCHAR** path, /* Pointer to pointer to the path name (drive number) */ - FATFS** rfs, /* Pointer to pointer to the found file system object */ - BYTE mode /* !=0: Check write protection for write access */ -) -{ - BYTE fmt, *pt; - int vol; - DSTATUS stat; - DWORD bsect, fasize, tsect, sysect, nclst, szbfat, br[4]; - WORD nrsv; - FATFS *fs; - UINT i; - - - /* Get logical drive number from the path name */ - *rfs = 0; - vol = get_ldnumber(path); - if (vol < 0) return FR_INVALID_DRIVE; - - /* Check if the file system object is valid or not */ - fs = FatFs[vol]; /* Get pointer to the file system object */ - if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ - - ENTER_FF(fs); /* Lock the volume */ - *rfs = fs; /* Return pointer to the file system object */ - - mode &= ~FA_READ; /* Desired access mode, write access or not */ - if (fs->fs_type) { /* If the volume has been mounted */ - stat = disk_status(fs->drv); - if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized */ - if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check write protection if needed */ - return FR_WRITE_PROTECTED; - } - return FR_OK; /* The file system object is valid */ - } - } - - /* The file system object is not valid. */ - /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ - - fs->fs_type = 0; /* Clear the file system object */ - fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */ - stat = disk_initialize(fs->drv); /* Initialize the physical drive */ - if (stat & STA_NOINIT) { /* Check if the initialization succeeded */ - return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */ - } - if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check disk write protection if needed */ - return FR_WRITE_PROTECTED; - } -#if _MAX_SS != _MIN_SS /* Get sector size (multiple sector size cfg only) */ - if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK - || SS(fs) < _MIN_SS || SS(fs) > _MAX_SS) return FR_DISK_ERR; -#endif - /* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */ - bsect = 0; - fmt = check_fs(fs, bsect); /* Load sector 0 and check if it is an FAT boot sector as SFD */ - if (fmt == 2 || (fmt < 2 && LD2PT(vol))) { /* Not an FAT boot sector or forced partition number */ - for (i = 0; i < 4; i++) { /* Get partition offset */ - pt = fs->win + MBR_Table + i * SZ_PTE; - br[i] = pt[4] ? ld_dword(&pt[8]) : 0; - } - i = LD2PT(vol); /* Partition number: 0:auto, 1-4:forced */ - if (i) i--; - do { /* Find an FAT volume */ - bsect = br[i]; - fmt = bsect ? check_fs(fs, bsect) : 3; /* Check the partition */ - } while (!LD2PT(vol) && fmt >= 2 && ++i < 4); - } - if (fmt == 4) return FR_DISK_ERR; /* An error occured in the disk I/O layer */ - if (fmt >= 2) return FR_NO_FILESYSTEM; /* No FAT volume is found */ - - /* An FAT volume is found. Following code initializes the file system object */ - -#if _FS_EXFAT - if (fmt == 1) { - QWORD maxlba; - - for (i = BPB_ZeroedEx; i < BPB_ZeroedEx + 53 && !fs->win[i]; i++) ; /* Check zero filler */ - if (i < BPB_ZeroedEx + 53) return FR_NO_FILESYSTEM; - - if (ld_word(fs->win + BPB_FSVerEx) != 0x100) return FR_NO_FILESYSTEM; /* Check exFAT revision (Must be 1.0) */ - - if (1 << fs->win[BPB_BytsPerSecEx] != SS(fs)) /* (BPB_BytsPerSecEx must be equal to the physical sector size) */ - return FR_NO_FILESYSTEM; - - maxlba = ld_qword(fs->win + BPB_TotSecEx) + bsect; /* Number of sectors on the volume */ - if (maxlba >= 0x100000000) return FR_NO_FILESYSTEM; /* (It cannot be handled in 32-bit LBA) */ - - fs->fsize = ld_dword(fs->win + BPB_FatSzEx); /* Number of sectors per FAT */ - - fs->n_fats = fs->win[BPB_NumFATsEx]; /* Number of FATs */ - if (fs->n_fats != 1) return FR_NO_FILESYSTEM; /* (Must be 1) */ - - fs->csize = 1 << fs->win[BPB_SecPerClusEx]; /* Cluster size */ - if (fs->csize == 0) return FR_NO_FILESYSTEM; /* (Must be 1..32768) */ - - nclst = ld_dword(fs->win + BPB_NumClusEx); /* Number of clusters */ - fs->n_fatent = nclst + 2; - if (fs->n_fatent >= 0x80000000) return FR_NO_FILESYSTEM; /* (Must be <= 0x7FFFFFFF) */ - - /* Boundaries and Limits */ - fs->volbase = bsect; - fs->database = bsect + ld_dword(fs->win + BPB_DataOfsEx); - fs->fatbase = bsect + ld_dword(fs->win + BPB_FatOfsEx); - if (maxlba < fs->database + nclst * fs->csize) return FR_NO_FILESYSTEM; /* (Volume size must not be smaller than the size requiered) */ - fs->dirbase = ld_dword(fs->win + BPB_RootClusEx); - - /* Check if bitmap location is in assumption (at the first cluster) */ - if (move_window(fs, clust2sect(fs, fs->dirbase)) != FR_OK) return FR_DISK_ERR; - for (i = 0; i < SS(fs); i += SZDIRE) { - if (fs->win[i] == 0x81 && ld_dword(fs->win + i + 20) == 2) break; /* 81 entry with cluster #2? */ - } - if (i == SS(fs)) return FR_NO_FILESYSTEM; -#if !_FS_READONLY - fs->last_clst = fs->free_clst = 0xFFFFFFFF; /* Initialize cluster allocation information */ -#endif -#if _USE_LFN == 1 - fs->dirbuf = DirBuf; /* Static directory block working buuffer */ -#endif - fmt = FS_EXFAT; /* FAT sub-type */ - } else -#endif - { - if (ld_word(fs->win + BPB_BytsPerSec) != SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_BytsPerSec must be equal to the physical sector size) */ - - fasize = ld_word(fs->win + BPB_FATSz16); /* Number of sectors per FAT */ - if (fasize == 0) fasize = ld_dword(fs->win + BPB_FATSz32); - fs->fsize = fasize; - - fs->n_fats = fs->win[BPB_NumFATs]; /* Number of FATs */ - if (fs->n_fats != 1 && fs->n_fats != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */ - fasize *= fs->n_fats; /* Number of sectors for FAT area */ - - fs->csize = fs->win[BPB_SecPerClus]; /* Cluster size */ - if (fs->csize == 0 || (fs->csize & (fs->csize - 1))) return FR_NO_FILESYSTEM; /* (Must be power of 2) */ - - fs->n_rootdir = ld_word(fs->win + BPB_RootEntCnt); /* Number of root directory entries */ - if (fs->n_rootdir % (SS(fs) / SZDIRE)) return FR_NO_FILESYSTEM; /* (Must be sector aligned) */ - - tsect = ld_word(fs->win + BPB_TotSec16); /* Number of sectors on the volume */ - if (tsect == 0) tsect = ld_dword(fs->win + BPB_TotSec32); - - nrsv = ld_word(fs->win + BPB_RsvdSecCnt); /* Number of reserved sectors */ - if (nrsv == 0) return FR_NO_FILESYSTEM; /* (Must not be 0) */ - - /* Determine the FAT sub type */ - sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZDIRE); /* RSV + FAT + DIR */ - if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - nclst = (tsect - sysect) / fs->csize; /* Number of clusters */ - if (nclst == 0) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - fmt = FS_FAT12; - if (nclst >= MIN_FAT16) fmt = FS_FAT16; - if (nclst >= MIN_FAT32) fmt = FS_FAT32; - - /* Boundaries and Limits */ - fs->n_fatent = nclst + 2; /* Number of FAT entries */ - fs->volbase = bsect; /* Volume start sector */ - fs->fatbase = bsect + nrsv; /* FAT start sector */ - fs->database = bsect + sysect; /* Data start sector */ - if (fmt == FS_FAT32) { - if (ld_word(fs->win + BPB_FSVer32) != 0) return FR_NO_FILESYSTEM; /* (Must be FAT32 revision 0.0) */ - if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */ - fs->dirbase = ld_dword(fs->win + BPB_RootClus32); /* Root directory start cluster */ - szbfat = fs->n_fatent * 4; /* (Needed FAT size) */ - } else { - if (fs->n_rootdir == 0) return FR_NO_FILESYSTEM;/* (BPB_RootEntCnt must not be 0) */ - fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */ - szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */ - fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); - } - if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_FATSz must not be less than the size needed) */ - -#if !_FS_READONLY - /* Initialize cluster allocation information */ - fs->last_clst = fs->free_clst = 0xFFFFFFFF; - - /* Get FSINFO if available */ - fs->fsi_flag = 0x80; -#if (_FS_NOFSINFO & 3) != 3 - if (fmt == FS_FAT32 /* Enable FSINFO only if FAT32 and BPB_FSInfo32 == 1 */ - && ld_word(fs->win + BPB_FSInfo32) == 1 - && move_window(fs, bsect + 1) == FR_OK) - { - fs->fsi_flag = 0; - if (ld_word(fs->win + BS_55AA) == 0xAA55 /* Load FSINFO data if available */ - && ld_dword(fs->win + FSI_LeadSig) == 0x41615252 - && ld_dword(fs->win + FSI_StrucSig) == 0x61417272) - { -#if (_FS_NOFSINFO & 1) == 0 - fs->free_clst = ld_dword(fs->win + FSI_Free_Count); -#endif -#if (_FS_NOFSINFO & 2) == 0 - fs->last_clst = ld_dword(fs->win + FSI_Nxt_Free); -#endif - } - } -#endif -#endif - } - - fs->fs_type = fmt; /* FAT sub-type */ - fs->id = ++Fsid; /* File system mount ID */ -#if _FS_RPATH != 0 - fs->cdir = 0; /* Initialize current directory */ -#endif -#if _FS_LOCK != 0 /* Clear file lock semaphores */ - clear_lock(fs); -#endif - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Check if the file/directory object is valid or not */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT validate ( /* Returns FR_OK or FR_INVALID_OBJECT */ - void* dfp, /* Pointer to the FIL/DIR object to check validity */ - FATFS** fs /* Pointer to pointer to the owner file system object to return */ -) -{ - _FDID *obj = (_FDID*)dfp; /* Assuming .obj in the FIL/DIR is the first member */ - FRESULT res; - - - if (!dfp || !obj->fs || !obj->fs->fs_type || obj->fs->id != obj->id || (disk_status(obj->fs->drv) & STA_NOINIT)) { - *fs = 0; /* The object is invalid */ - res = FR_INVALID_OBJECT; - } else { - *fs = obj->fs; /* Owner file sytem object */ - ENTER_FF(obj->fs); /* Lock file system */ - res = FR_OK; - } - return res; -} - - - - -/*--------------------------------------------------------------------------- - - Public Functions (FatFs API) - -----------------------------------------------------------------------------*/ - - - -/*-----------------------------------------------------------------------*/ -/* Mount/Unmount a Logical Drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mount ( - FATFS* fs, /* Pointer to the file system object (NULL:unmount)*/ - const TCHAR* path, /* Logical drive number to be mounted/unmounted */ - BYTE opt /* Mode option 0:Do not mount (delayed mount), 1:Mount immediately */ -) -{ - FATFS *cfs; - int vol; - FRESULT res; - const TCHAR *rp = path; - - - vol = get_ldnumber(&rp); - if (vol < 0) return FR_INVALID_DRIVE; - cfs = FatFs[vol]; /* Pointer to fs object */ - - if (cfs) { -#if _FS_LOCK != 0 - clear_lock(cfs); -#endif -#if _FS_REENTRANT /* Discard sync object of the current volume */ - if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR; -#endif - cfs->fs_type = 0; /* Clear old fs object */ - } - - if (fs) { - fs->fs_type = 0; /* Clear new fs object */ -#if _FS_REENTRANT /* Create sync object for the new volume */ - if (!ff_cre_syncobj((BYTE)vol, &fs->sobj)) return FR_INT_ERR; -#endif - } - FatFs[vol] = fs; /* Register new fs object */ - - if (!fs || opt != 1) return FR_OK; /* Do not mount now, it will be mounted later */ - - res = find_volume(&path, &fs, 0); /* Force mounted the volume */ - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Open or Create a File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_open ( - FIL* fp, /* Pointer to the blank file object */ - const TCHAR* path, /* Pointer to the file name */ - BYTE mode /* Access mode and file open mode flags */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; -#if !_FS_READONLY - DWORD dw, cl; -#endif - DEF_NAMBUF; - - - if (!fp) return FR_INVALID_OBJECT; - fp->obj.fs = 0; /* Clear file object */ - - /* Get logical drive number */ - mode &= _FS_READONLY ? FA_READ : FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW; - res = find_volume(&path, &fs, mode); - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ -#if !_FS_READONLY /* R/W configuration */ - if (res == FR_OK) { - if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ - res = FR_INVALID_NAME; - } -#if _FS_LOCK != 0 - else { - res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); - } -#endif - } - /* Create or Open a file */ - if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { - if (res != FR_OK) { /* No file, create new */ - if (res == FR_NO_FILE) /* There is no file to open, create a new entry */ -#if _FS_LOCK != 0 - res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; -#else - res = dir_register(&dj); -#endif - mode |= FA_CREATE_ALWAYS; /* File is created */ - } - else { /* Any object is already existing */ - if (dj.obj.attr & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */ - res = FR_DENIED; - } else { - if (mode & FA_CREATE_NEW) res = FR_EXIST; /* Cannot create as new file */ - } - } - if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ - dw = GET_FATTIME(); -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - /* Get current allocation info */ - fp->obj.fs = fs; - fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); - fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - /* Initialize directory entry block */ - st_dword(fs->dirbuf + XDIR_CrtTime, dw); /* Set created time */ - fs->dirbuf[XDIR_CrtTime10] = 0; - st_dword(fs->dirbuf + XDIR_ModTime, dw); /* Set modified time */ - fs->dirbuf[XDIR_ModTime10] = 0; - fs->dirbuf[XDIR_Attr] = AM_ARC; /* Reset attribute */ - st_dword(fs->dirbuf + XDIR_FstClus, 0); /* Reset file allocation info */ - st_qword(fs->dirbuf + XDIR_FileSize, 0); - st_qword(fs->dirbuf + XDIR_ValidFileSize, 0); - fs->dirbuf[XDIR_GenFlags] = 1; - res = store_xdir(&dj); - if (res == FR_OK && fp->obj.sclust) { /* Remove the cluster chain if exist */ - res = remove_chain(&fp->obj, fp->obj.sclust, 0); - fs->last_clst = fp->obj.sclust - 1; /* Reuse the cluster hole */ - } - } else -#endif - { - /* Clean directory info */ - st_dword(dj.dir + DIR_CrtTime, dw); /* Set created time */ - st_dword(dj.dir + DIR_WrtTime, dw); /* Set modified time */ - dj.dir[DIR_Attr] = AM_ARC; /* Reset attribute */ - cl = ld_clust(fs, dj.dir); /* Get cluster chain */ - st_clust(fs, dj.dir, 0); /* Reset file allocation info */ - st_dword(dj.dir + DIR_FileSize, 0); - fs->wflag = 1; - - if (cl) { /* Remove the cluster chain if exist */ - dw = fs->winsect; - res = remove_chain(&dj.obj, cl, 0); - if (res == FR_OK) { - res = move_window(fs, dw); - fs->last_clst = cl - 1; /* Reuse the cluster hole */ - } - } - } - } - } - else { /* Open an existing file */ - if (res == FR_OK) { /* Following succeeded */ - if (dj.obj.attr & AM_DIR) { /* It is a directory */ - res = FR_NO_FILE; - } else { - if ((mode & FA_WRITE) && (dj.obj.attr & AM_RDO)) { /* R/O violation */ - res = FR_DENIED; - } - } - } - } - if (res == FR_OK) { - if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */ - mode |= _FA_MODIFIED; - fp->dir_sect = fs->winsect; /* Pointer to the directory entry */ - fp->dir_ptr = dj.dir; -#if _FS_LOCK != 0 - fp->obj.lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); - if (!fp->obj.lockid) res = FR_INT_ERR; -#endif - } -#else /* R/O configuration */ - if (res == FR_OK) { - if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ - res = FR_INVALID_NAME; - } else { - if (dj.obj.attr & AM_DIR) { /* It is a directory */ - res = FR_NO_FILE; - } - } - } -#endif - - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get allocation info */ - fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - fp->obj.c_scl = dj.obj.sclust; - fp->obj.c_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; - fp->obj.c_ofs = dj.blk_ofs; - } else -#endif - { - fp->obj.sclust = ld_clust(fs, dj.dir); /* Get allocation info */ - fp->obj.objsize = ld_dword(dj.dir + DIR_FileSize); - } -#if _USE_FASTSEEK - fp->cltbl = 0; /* Normal seek mode */ -#endif - fp->err = 0; /* Clear error flag */ - fp->fptr = 0; /* Set file pointer */ - fp->sect = 0; /* Invalidate current data sector */ - fp->flag = mode; /* File access mode */ - fp->obj.fs = fs; /* Validate the file object */ - fp->obj.id = fs->id; - } - - FREE_NAMBUF(); - } - - LEAVE_FF(dj.obj.fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_read ( - FIL* fp, /* Pointer to the file object */ - void* buff, /* Pointer to data buffer */ - UINT btr, /* Number of bytes to read */ - UINT* br /* Pointer to number of bytes read */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - FSIZE_t remain; - UINT rcnt, cc, csect; - BYTE *rbuff = (BYTE*)buff; - - - *br = 0; /* Clear read byte counter */ - res = validate(fp, &fs); - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - remain = fp->obj.objsize - fp->fptr; - if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ - - for ( ; btr; /* Repeat until all data read */ - rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { - if ((fp->fptr % SS(fs)) == 0) { /* On the sector boundary? */ - csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ - if (csect == 0) { /* On the cluster boundary? */ - if (fp->fptr == 0) { /* On the top of the file? */ - clst = fp->obj.sclust; /* Follow cluster chain from the origin */ - } else { /* Middle or end of the file */ -#if _USE_FASTSEEK - if (fp->cltbl) { - clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ - } else -#endif - { - clst = get_fat(&fp->obj, fp->clust); /* Follow cluster chain on the FAT */ - } - } - if (clst < 2) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - } - sect = clust2sect(fs, fp->clust); /* Get current sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; - cc = btr / SS(fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Read maximum contiguous sectors directly */ - if (csect + cc > fs->csize) { /* Clip at cluster boundary */ - cc = fs->csize - csect; - } - if (disk_read(fs->drv, rbuff, sect, cc) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } -#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */ -#if _FS_TINY - if (fs->wflag && fs->winsect - sect < cc) { - mem_cpy(rbuff + ((fs->winsect - sect) * SS(fs)), fs->win, SS(fs)); - } -#else - if ((fp->flag & _FA_DIRTY) && fp->sect - sect < cc) { - mem_cpy(rbuff + ((fp->sect - sect) * SS(fs)), fp->buf, SS(fs)); - } -#endif -#endif - rcnt = SS(fs) * cc; /* Number of bytes transferred */ - continue; - } -#if !_FS_TINY - if (fp->sect != sect) { /* Load data sector if not in cache */ -#if !_FS_READONLY - if (fp->flag & _FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } - fp->flag &= ~_FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) { /* Fill sector cache */ - ABORT(fs, FR_DISK_ERR); - } - } -#endif - fp->sect = sect; - } - rcnt = SS(fs) - ((UINT)fp->fptr % SS(fs)); /* Get partial sector data from sector buffer */ - if (rcnt > btr) rcnt = btr; -#if _FS_TINY - if (move_window(fs, fp->sect) != FR_OK) { /* Move sector window */ - ABORT(fs, FR_DISK_ERR); - } - mem_cpy(rbuff, &fs->win[fp->fptr % SS(fs)], rcnt); /* Pick partial sector */ -#else - mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fs)], rcnt); /* Pick partial sector */ -#endif - } - - LEAVE_FF(fs, FR_OK); -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Write File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_write ( - FIL* fp, /* Pointer to the file object */ - const void* buff, /* Pointer to the data to be written */ - UINT btw, /* Number of bytes to write */ - UINT* bw /* Pointer to number of bytes written */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - UINT wcnt, cc, csect; - const BYTE *wbuff = (const BYTE*)buff; - - - *bw = 0; /* Clear write byte counter */ - res = validate(fp, &fs); - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - /* Check fptr wrap-around (file size cannot exceed the limit on each FAT specs) */ - if ((_FS_EXFAT && fs->fs_type == FS_EXFAT && fp->fptr + btw < fp->fptr) - || (DWORD)fp->fptr + btw < (DWORD)fp->fptr) { - btw = (UINT)(0xFFFFFFFF - (DWORD)fp->fptr); - } - - for ( ; btw; /* Repeat until all data written */ - wbuff += wcnt, fp->fptr += wcnt, fp->obj.objsize = (fp->fptr > fp->obj.objsize) ? fp->fptr : fp->obj.objsize, *bw += wcnt, btw -= wcnt) { - if ((fp->fptr % SS(fs)) == 0) { /* On the sector boundary? */ - csect = (UINT)(fp->fptr / SS(fs)) & (fs->csize - 1); /* Sector offset in the cluster */ - if (csect == 0) { /* On the cluster boundary? */ - if (fp->fptr == 0) { /* On the top of the file? */ - clst = fp->obj.sclust; /* Follow from the origin */ - if (clst == 0) { /* If no cluster is allocated, */ - clst = create_chain(&fp->obj, 0); /* create a new cluster chain */ - } - } else { /* On the middle or end of the file */ -#if _USE_FASTSEEK - if (fp->cltbl) { - clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ - } else -#endif - { - clst = create_chain(&fp->obj, fp->clust); /* Follow or stretch cluster chain on the FAT */ - } - } - if (clst == 0) break; /* Could not allocate a new cluster (disk full) */ - if (clst == 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - if (fp->obj.sclust == 0) fp->obj.sclust = clst; /* Set start cluster if the first write */ - } -#if _FS_TINY - if (fs->winsect == fp->sect && sync_window(fs) != FR_OK) { /* Write-back sector cache */ - ABORT(fs, FR_DISK_ERR); - } -#else - if (fp->flag & _FA_DIRTY) { /* Write-back sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } - fp->flag &= ~_FA_DIRTY; - } -#endif - sect = clust2sect(fs, fp->clust); /* Get current sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; - cc = btw / SS(fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Write maximum contiguous sectors directly */ - if (csect + cc > fs->csize) { /* Clip at cluster boundary */ - cc = fs->csize - csect; - } - if (disk_write(fs->drv, wbuff, sect, cc) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } -#if _FS_MINIMIZE <= 2 -#if _FS_TINY - if (fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ - mem_cpy(fs->win, wbuff + ((fs->winsect - sect) * SS(fs)), SS(fs)); - fs->wflag = 0; - } -#else - if (fp->sect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ - mem_cpy(fp->buf, wbuff + ((fp->sect - sect) * SS(fs)), SS(fs)); - fp->flag &= ~_FA_DIRTY; - } -#endif -#endif - wcnt = SS(fs) * cc; /* Number of bytes transferred */ - continue; - } -#if _FS_TINY - if (fp->fptr >= fp->obj.objsize) { /* Avoid silly cache filling at growing edge */ - if (sync_window(fs) != FR_OK) ABORT(fs, FR_DISK_ERR); - fs->winsect = sect; - } -#else - if (fp->sect != sect) { /* Fill sector cache with file data */ - if (fp->fptr < fp->obj.objsize && - disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } - } -#endif - fp->sect = sect; - } - wcnt = SS(fs) - ((UINT)fp->fptr % SS(fs)); /* Put partial sector into file I/O buffer */ - if (wcnt > btw) wcnt = btw; -#if _FS_TINY - if (move_window(fs, fp->sect) != FR_OK) { /* Move sector window */ - ABORT(fs, FR_DISK_ERR); - } - mem_cpy(&fs->win[fp->fptr % SS(fs)], wbuff, wcnt); /* Fit partial sector */ - fs->wflag = 1; -#else - mem_cpy(&fp->buf[fp->fptr % SS(fs)], wbuff, wcnt); /* Fit partial sector */ - fp->flag |= _FA_DIRTY; -#endif - } - - fp->flag |= _FA_MODIFIED; /* Set file change flag */ - - LEAVE_FF(fs, FR_OK); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Synchronize the File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_sync ( - FIL* fp /* Pointer to the file object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD tm; - BYTE *dir; - DEF_DIRBUF; - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res == FR_OK) { - if (fp->flag & _FA_MODIFIED) { /* Is there any change to the file? */ -#if !_FS_TINY - if (fp->flag & _FA_DIRTY) { /* Write-back cached data if needed */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - LEAVE_FF(fs, FR_DISK_ERR); - } - fp->flag &= ~_FA_DIRTY; - } -#endif - /* Update the directory entry */ - tm = GET_FATTIME(); /* Modified time */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - res = fill_fat_chain(&fp->obj); /* Create FAT chain if needed */ - if (res == FR_OK) { - DIR dj; - - INIT_DIRBUF(fs); - res = load_obj_dir(&dj, &fp->obj); /* Load directory entry block */ - if (res == FR_OK) { - fs->dirbuf[XDIR_Attr] |= AM_ARC; /* Set archive bit */ - fs->dirbuf[XDIR_GenFlags] = fp->obj.stat | 1; /* Update file allocation info */ - st_dword(fs->dirbuf + XDIR_FstClus, fp->obj.sclust); - st_qword(fs->dirbuf + XDIR_FileSize, fp->obj.objsize); - st_qword(fs->dirbuf + XDIR_ValidFileSize, fp->obj.objsize); - st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Update modified time */ - fs->dirbuf[XDIR_ModTime10] = 0; - st_dword(fs->dirbuf + XDIR_AccTime, 0); - res = store_xdir(&dj); /* Restore it to the directory */ - if (res == FR_OK) { - res = sync_fs(fs); - fp->flag &= ~_FA_MODIFIED; - } - } - FREE_DIRBUF(); - } - } else -#endif - { - res = move_window(fs, fp->dir_sect); - if (res == FR_OK) { - dir = fp->dir_ptr; - dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ - st_clust(fp->obj.fs, dir, fp->obj.sclust); /* Update file allocation info */ - st_dword(dir + DIR_FileSize, (DWORD)fp->obj.objsize); /* Update file size */ - st_dword(dir + DIR_WrtTime, tm); /* Update modified time */ - st_word(dir + DIR_LstAccDate, 0); - fs->wflag = 1; - res = sync_fs(fs); /* Restore it to the directory */ - fp->flag &= ~_FA_MODIFIED; - } - } - } - } - - LEAVE_FF(fs, res); -} - -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Close File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_close ( - FIL* fp /* Pointer to the file object to be closed */ -) -{ - FRESULT res; - FATFS *fs; - -#if !_FS_READONLY - res = f_sync(fp); /* Flush cached data */ - if (res == FR_OK) -#endif - { - res = validate(fp, &fs); /* Lock volume */ - if (res == FR_OK) { -#if _FS_LOCK != 0 - res = dec_lock(fp->obj.lockid); /* Decrement file open counter */ - if (res == FR_OK) -#endif - { - fp->obj.fs = 0; /* Invalidate file object */ - } -#if _FS_REENTRANT - unlock_fs(fs, FR_OK); /* Unlock volume */ -#endif - } - } - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Current Directory or Current Drive, Get Current Directory */ -/*-----------------------------------------------------------------------*/ - -#if _FS_RPATH >= 1 -#if _VOLUMES >= 2 -FRESULT f_chdrive ( - const TCHAR* path /* Drive number */ -) -{ - int vol; - - - vol = get_ldnumber(&path); - if (vol < 0) return FR_INVALID_DRIVE; - - CurrVol = (BYTE)vol; - - return FR_OK; -} -#endif - - -FRESULT f_chdir ( - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF; - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the path */ - if (res == FR_OK) { /* Follow completed */ - if (dj.fn[NSFLAG] & NS_NONAME) { - fs->cdir = dj.obj.sclust; /* It is the start directory itself */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->cdc_scl = dj.obj.c_scl; - fs->cdc_size = dj.obj.c_size; - fs->cdc_ofs = dj.obj.c_ofs; - } -#endif - } else { - if (dj.obj.attr & AM_DIR) { /* It is a sub-directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->cdir = ld_dword(fs->dirbuf + XDIR_FstClus); /* Sub-directory cluster */ - fs->cdc_scl = dj.obj.sclust; /* Save containing directory information */ - fs->cdc_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; - fs->cdc_ofs = dj.blk_ofs; - } else -#endif - { - fs->cdir = ld_clust(fs, dj.dir); /* Sub-directory cluster */ - } - } else { - res = FR_NO_PATH; /* Reached but a file */ - } - } - } - FREE_NAMBUF(); - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - - LEAVE_FF(fs, res); -} - - -#if _FS_RPATH >= 2 -FRESULT f_getcwd ( - TCHAR* buff, /* Pointer to the directory path */ - UINT len /* Size of path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - UINT i, n; - DWORD ccl; - TCHAR *tp; - FILINFO fno; - DEF_NAMBUF; - - - *buff = 0; - /* Get logical drive number */ - res = find_volume((const TCHAR**)&buff, &fs, 0); /* Get current volume */ - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(dj); - i = len; /* Bottom of buffer (directory stack base) */ - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { /* (Cannot do getcwd on exFAT and returns root path) */ - dj.obj.sclust = fs->cdir; /* Start to follow upper directory from current directory */ - while ((ccl = dj.obj.sclust) != 0) { /* Repeat while current directory is a sub-directory */ - res = dir_sdi(&dj, 1 * SZDIRE); /* Get parent directory */ - if (res != FR_OK) break; - res = move_window(fs, dj.sect); - if (res != FR_OK) break; - dj.obj.sclust = ld_clust(fs, dj.dir); /* Goto parent directory */ - res = dir_sdi(&dj, 0); - if (res != FR_OK) break; - do { /* Find the entry links to the child directory */ - res = dir_read(&dj, 0); - if (res != FR_OK) break; - if (ccl == ld_clust(fs, dj.dir)) break; /* Found the entry */ - res = dir_next(&dj, 0); - } while (res == FR_OK); - if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */ - if (res != FR_OK) break; - get_fileinfo(&dj, &fno); /* Get the directory name and push it to the buffer */ - for (n = 0; fno.fname[n]; n++) ; - if (i < n + 3) { - res = FR_NOT_ENOUGH_CORE; break; - } - while (n) buff[--i] = fno.fname[--n]; - buff[--i] = '/'; - } - } - tp = buff; - if (res == FR_OK) { -#if _VOLUMES >= 2 - *tp++ = '0' + CurrVol; /* Put drive number */ - *tp++ = ':'; -#endif - if (i == len) { /* Root-directory */ - *tp++ = '/'; - } else { /* Sub-directroy */ - do /* Add stacked path str */ - *tp++ = buff[i++]; - while (i < len); - } - } - *tp = 0; - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} -#endif /* _FS_RPATH >= 2 */ -#endif /* _FS_RPATH >= 1 */ - - - -#if _FS_MINIMIZE <= 2 -/*-----------------------------------------------------------------------*/ -/* Seek File R/W Pointer */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_lseek ( - FIL* fp, /* Pointer to the file object */ - FSIZE_t ofs /* File pointer from top of file */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, bcs, nsect; - FSIZE_t ifptr; -#if _USE_FASTSEEK - DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl; -#endif - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ -#if _USE_FASTSEEK - if (fp->cltbl) { /* Fast seek */ - if (ofs == CREATE_LINKMAP) { /* Create CLMT */ - tbl = fp->cltbl; - tlen = *tbl++; ulen = 2; /* Given table size and required table size */ - cl = fp->obj.sclust; /* Top of the chain */ - if (cl) { - do { - /* Get a fragment */ - tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */ - do { - pcl = cl; ncl++; - cl = get_fat(&fp->obj, cl); - if (cl <= 1) ABORT(fs, FR_INT_ERR); - if (cl == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - } while (cl == pcl + 1); - if (ulen <= tlen) { /* Store the length and top of the fragment */ - *tbl++ = ncl; *tbl++ = tcl; - } - } while (cl < fs->n_fatent); /* Repeat until end of chain */ - } - *fp->cltbl = ulen; /* Number of items used */ - if (ulen <= tlen) { - *tbl = 0; /* Terminate table */ - } else { - res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */ - } - } else { /* Fast seek */ - if (ofs > fp->obj.objsize) ofs = fp->obj.objsize; /* Clip offset at the file size */ - fp->fptr = ofs; /* Set file pointer */ - if (ofs) { - fp->clust = clmt_clust(fp, ofs - 1); - dsc = clust2sect(fs, fp->clust); - if (!dsc) ABORT(fs, FR_INT_ERR); - dsc += (ofs - 1) / SS(fs) & (fs->csize - 1); - if (fp->fptr % SS(fs) && dsc != fp->sect) { /* Refill sector cache if needed */ -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & _FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - ABORT(fp, FR_DISK_ERR); - } - fp->flag &= ~_FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, dsc, 1) != RES_OK) { /* Load current sector */ - ABORT(fs, FR_DISK_ERR); - } -#endif - fp->sect = dsc; - } - } - } - } else -#endif - - /* Normal Seek */ - { - if (ofs > fp->obj.objsize /* In read-only mode, clip offset with the file size */ -#if !_FS_READONLY - && !(fp->flag & FA_WRITE) -#endif - ) ofs = fp->obj.objsize; - - ifptr = fp->fptr; - fp->fptr = nsect = 0; - if (ofs) { - bcs = (DWORD)fs->csize * SS(fs); /* Cluster size (byte) */ - if (ifptr > 0 && - (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */ - fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */ - ofs -= fp->fptr; - clst = fp->clust; - } else { /* When seek to back cluster, */ - clst = fp->obj.sclust; /* start from the first cluster */ -#if !_FS_READONLY - if (clst == 0) { /* If no cluster chain, create a new chain */ - clst = create_chain(&fp->obj, 0); - if (clst == 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->obj.sclust = clst; - } -#endif - fp->clust = clst; - } - if (clst != 0) { - while (ofs > bcs) { /* Cluster following loop */ -#if !_FS_READONLY - if (fp->flag & FA_WRITE) { /* Check if in write mode or not */ - clst = create_chain(&fp->obj, clst); /* Force stretch if in write mode */ - if (clst == 0) { /* When disk gets full, clip file size */ - ofs = bcs; break; - } - } else -#endif - clst = get_fat(&fp->obj, clst); /* Follow cluster chain if not in write mode */ - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR); - fp->clust = clst; - fp->fptr += bcs; - ofs -= bcs; - } - fp->fptr += ofs; - if (ofs % SS(fs)) { - nsect = clust2sect(fs, clst); /* Current sector */ - if (!nsect) ABORT(fs, FR_INT_ERR); - nsect += (DWORD)(ofs / SS(fs)); - } - } - } - if (fp->fptr % SS(fs) && nsect != fp->sect) { /* Fill sector cache if needed */ -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & _FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } - fp->flag &= ~_FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, nsect, 1) != RES_OK) { /* Fill sector cache */ - ABORT(fs, FR_DISK_ERR); - } -#endif - fp->sect = nsect; - } -#if !_FS_READONLY - if (fp->fptr > fp->obj.objsize) { /* Set file change flag if the file size is extended */ - fp->obj.objsize = fp->fptr; - fp->flag |= _FA_MODIFIED; - } -#endif - } - - LEAVE_FF(fs, res); -} - - - -#if _FS_MINIMIZE <= 1 -/*-----------------------------------------------------------------------*/ -/* Create a Directory Object */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_opendir ( - DIR* dp, /* Pointer to directory object to create */ - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - FATFS *fs; - _FDID *obj; - DEF_NAMBUF; - - - if (!dp) return FR_INVALID_OBJECT; - - /* Get logical drive number */ - obj = &dp->obj; - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - obj->fs = fs; - INIT_NAMBUF(*dp); - res = follow_path(dp, path); /* Follow the path to the directory */ - if (res == FR_OK) { /* Follow completed */ - if (!(dp->fn[NSFLAG] & NS_NONAME)) { /* It is not the origin directory itself */ - if (obj->attr & AM_DIR) { /* This object is a sub-directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - obj->c_scl = obj->sclust; /* Save containing directory inforamation */ - obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; - obj->c_ofs = dp->blk_ofs; - obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get object location and status */ - obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - } else -#endif - { - obj->sclust = ld_clust(fs, dp->dir); /* Get object location */ - } - } else { /* This object is a file */ - res = FR_NO_PATH; - } - } - if (res == FR_OK) { - obj->id = fs->id; - res = dir_sdi(dp, 0); /* Rewind directory */ -#if _FS_LOCK != 0 - if (res == FR_OK) { - if (obj->sclust) { - obj->lockid = inc_lock(dp, 0); /* Lock the sub directory */ - if (!obj->lockid) res = FR_TOO_MANY_OPEN_FILES; - } else { - obj->lockid = 0; /* Root directory need not to be locked */ - } - } -#endif - } - } - FREE_NAMBUF(); - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - if (res != FR_OK) obj->fs = 0; /* Invalidate the directory object if function faild */ - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Close Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_closedir ( - DIR *dp /* Pointer to the directory object to be closed */ -) -{ - FRESULT res; - FATFS *fs; - - - res = validate(dp, &fs); - if (res == FR_OK) { -#if _FS_LOCK != 0 - if (dp->obj.lockid) { /* Decrement sub-directory open counter */ - res = dec_lock(dp->obj.lockid); - } - if (res == FR_OK) -#endif - { - dp->obj.fs = 0; /* Invalidate directory object */ - } -#if _FS_REENTRANT - unlock_fs(fs, FR_OK); /* Unlock volume */ -#endif - } - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read Directory Entries in Sequence */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_readdir ( - DIR* dp, /* Pointer to the open directory object */ - FILINFO* fno /* Pointer to file information to return */ -) -{ - FRESULT res; - FATFS *fs; - DEF_NAMBUF; - - - res = validate(dp, &fs); /* Check validity of the object */ - if (res == FR_OK) { - if (!fno) { - res = dir_sdi(dp, 0); /* Rewind the directory object */ - } else { - INIT_NAMBUF(*dp); - res = dir_read(dp, 0); /* Read an item */ - if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory */ - if (res == FR_OK) { /* A valid entry is found */ - get_fileinfo(dp, fno); /* Get the object information */ - res = dir_next(dp, 0); /* Increment index for next */ - if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory now */ - } - FREE_NAMBUF(); - } - } - LEAVE_FF(fs, res); -} - - - -#if _USE_FIND -/*-----------------------------------------------------------------------*/ -/* Find Next File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_findnext ( - DIR* dp, /* Pointer to the open directory object */ - FILINFO* fno /* Pointer to the file information structure */ -) -{ - FRESULT res; - - - for (;;) { - res = f_readdir(dp, fno); /* Get a directory item */ - if (res != FR_OK || !fno || !fno->fname[0]) break; /* Terminate if any error or end of directory */ - if (pattern_matching(dp->pat, fno->fname, 0, 0)) break; /* Test for the file name */ -#if _USE_LFN != 0 && _USE_FIND == 2 - if (pattern_matching(dp->pat, fno->altname, 0, 0)) break; /* Test for alternative name if exist */ -#endif - } - return res; -} - - - -/*-----------------------------------------------------------------------*/ -/* Find First File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_findfirst ( - DIR* dp, /* Pointer to the blank directory object */ - FILINFO* fno, /* Pointer to the file information structure */ - const TCHAR* path, /* Pointer to the directory to open */ - const TCHAR* pattern /* Pointer to the matching pattern */ -) -{ - FRESULT res; - - - dp->pat = pattern; /* Save pointer to pattern string */ - res = f_opendir(dp, path); /* Open the target directory */ - if (res == FR_OK) { - res = f_findnext(dp, fno); /* Find the first item */ - } - return res; -} - -#endif /* _USE_FIND */ - - - -#if _FS_MINIMIZE == 0 -/*-----------------------------------------------------------------------*/ -/* Get File Status */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_stat ( - const TCHAR* path, /* Pointer to the file path */ - FILINFO* fno /* Pointer to file information to return */ -) -{ - FRESULT res; - DIR dj; - DEF_NAMBUF; - - - /* Get logical drive number */ - res = find_volume(&path, &dj.obj.fs, 0); - if (res == FR_OK) { - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) { /* Follow completed */ - if (dj.fn[NSFLAG] & NS_NONAME) { /* It is origin directory */ - res = FR_INVALID_NAME; - } else { /* Found an object */ - if (fno) get_fileinfo(&dj, fno); - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(dj.obj.fs, res); -} - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Get Number of Free Clusters */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_getfree ( - const TCHAR* path, /* Path name of the logical drive number */ - DWORD* nclst, /* Pointer to a variable to return number of free clusters */ - FATFS** fatfs /* Pointer to return pointer to corresponding file system object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD nfree, clst, sect, stat; - UINT i; - BYTE *p; - _FDID obj; - - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - *fatfs = fs; /* Return ptr to the fs object */ - /* If free_clst is valid, return it without full cluster scan */ - if (fs->free_clst <= fs->n_fatent - 2) { - *nclst = fs->free_clst; - } else { - /* Get number of free clusters */ - nfree = 0; - if (fs->fs_type == FS_FAT12) { /* FAT12: Sector unalighed FAT entries */ - clst = 2; obj.fs = fs; - do { - stat = get_fat(&obj, clst); - if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } - if (stat == 1) { res = FR_INT_ERR; break; } - if (stat == 0) nfree++; - } while (++clst < fs->n_fatent); - } else { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* exFAT: Scan bitmap table */ - BYTE bm; - UINT b; - - clst = fs->n_fatent - 2; - sect = fs->database; - i = 0; - do { - if (i == 0 && (res = move_window(fs, sect++)) != FR_OK) break; - for (b = 8, bm = fs->win[i]; b && clst; b--, clst--) { - if (!(bm & 1)) nfree++; - bm >>= 1; - } - i = (i + 1) & (SS(fs) - 1); - } while (clst); - } else -#endif - { /* FAT16/32: Sector alighed FAT entries */ - clst = fs->n_fatent; sect = fs->fatbase; - i = 0; p = 0; - do { - if (i == 0) { - res = move_window(fs, sect++); - if (res != FR_OK) break; - p = fs->win; - i = SS(fs); - } - if (fs->fs_type == FS_FAT16) { - if (ld_word(p) == 0) nfree++; - p += 2; i -= 2; - } else { - if ((ld_dword(p) & 0x0FFFFFFF) == 0) nfree++; - p += 4; i -= 4; - } - } while (--clst); - } - } - *nclst = nfree; /* Return the free clusters */ - fs->free_clst = nfree; /* Now free_clst is valid */ - fs->fsi_flag |= 1; /* FSInfo is to be updated */ - } - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Truncate File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_truncate ( - FIL* fp /* Pointer to the file object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD ncl; - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - if (fp->obj.objsize > fp->fptr) { - if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */ - res = remove_chain(&fp->obj, fp->obj.sclust, 0); - fp->obj.sclust = 0; - } else { /* When truncate a part of the file, remove remaining clusters */ - ncl = get_fat(&fp->obj, fp->clust); - res = FR_OK; - if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (ncl == 1) res = FR_INT_ERR; - if (res == FR_OK && ncl < fs->n_fatent) { - res = remove_chain(&fp->obj, ncl, fp->clust); - } - } - fp->obj.objsize = fp->fptr; /* Set file size to current R/W point */ - fp->flag |= _FA_MODIFIED; -#if !_FS_TINY - if (res == FR_OK && (fp->flag & _FA_DIRTY)) { - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - res = FR_DISK_ERR; - } else { - fp->flag &= ~_FA_DIRTY; - } - } -#endif - if (res != FR_OK) ABORT(fs, res); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Delete a File/Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_unlink ( - const TCHAR* path /* Pointer to the file or directory path */ -) -{ - FRESULT res; - DIR dj, sdj; - DWORD dclst = 0; - FATFS *fs; -#if _FS_EXFAT - _FDID obj; -#endif - DEF_NAMBUF; - - - /* Get logical drive number */ - res = find_volume(&path, &fs, FA_WRITE); - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) { - res = FR_INVALID_NAME; /* Cannot remove dot entry */ - } -#if _FS_LOCK != 0 - if (res == FR_OK) res = chk_lock(&dj, 2); /* Check if it is an open object */ -#endif - if (res == FR_OK) { /* The object is accessible */ - if (dj.fn[NSFLAG] & NS_NONAME) { - res = FR_INVALID_NAME; /* Cannot remove the origin directory */ - } else { - if (dj.obj.attr & AM_RDO) { - res = FR_DENIED; /* Cannot remove R/O object */ - } - } - if (res == FR_OK) { -#if _FS_EXFAT - obj.fs = fs; - if (fs->fs_type == FS_EXFAT) { - obj.sclust = dclst = ld_dword(fs->dirbuf + XDIR_FstClus); - obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - } else -#endif - { - dclst = ld_clust(fs, dj.dir); - } - if (dj.obj.attr & AM_DIR) { /* Is it a sub-directory ? */ -#if _FS_RPATH != 0 - if (dclst == fs->cdir) { /* Is it the current directory? */ - res = FR_DENIED; - } else -#endif - { - sdj.obj.fs = fs; /* Open the sub-directory */ - sdj.obj.sclust = dclst; -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - sdj.obj.objsize = obj.objsize; - sdj.obj.stat = obj.stat; - } -#endif - res = dir_sdi(&sdj, 0); - if (res == FR_OK) { - res = dir_read(&sdj, 0); /* Read an item */ - if (res == FR_OK) res = FR_DENIED; /* Not empty? */ - if (res == FR_NO_FILE) res = FR_OK; /* Empty? */ - } - } - } - } - if (res == FR_OK) { - res = dir_remove(&dj); /* Remove the directory entry */ - if (res == FR_OK && dclst) { /* Remove the cluster chain if exist */ -#if _FS_EXFAT - res = remove_chain(&obj, dclst, 0); -#else - res = remove_chain(&dj.obj, dclst, 0); -#endif - } - if (res == FR_OK) res = sync_fs(fs); - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Create a Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mkdir ( - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - BYTE *dir; - UINT n; - DWORD dsc, dcl, pcl, tm; - DEF_NAMBUF; - - - /* Get logical drive number */ - res = find_volume(&path, &fs, FA_WRITE); - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */ - if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NSFLAG] & NS_DOT)) { - res = FR_INVALID_NAME; - } - if (res == FR_NO_FILE) { /* Can create a new directory */ - dcl = create_chain(&dj.obj, 0); /* Allocate a cluster for the new directory table */ - dj.obj.objsize = (DWORD)fs->csize * SS(fs); - res = FR_OK; - if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */ - if (dcl == 1) res = FR_INT_ERR; - if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (res == FR_OK) res = sync_window(fs); /* Flush FAT */ - tm = GET_FATTIME(); - if (res == FR_OK) { /* Initialize the new directory table */ - dsc = clust2sect(fs, dcl); - dir = fs->win; - mem_set(dir, 0, SS(fs)); - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - mem_set(dir + DIR_Name, ' ', 11); /* Create "." entry */ - dir[DIR_Name] = '.'; - dir[DIR_Attr] = AM_DIR; - st_dword(dir + DIR_WrtTime, tm); - st_clust(fs, dir, dcl); - mem_cpy(dir + SZDIRE, dir, SZDIRE); /* Create ".." entry */ - dir[SZDIRE + 1] = '.'; pcl = dj.obj.sclust; - if (fs->fs_type == FS_FAT32 && pcl == fs->dirbase) - pcl = 0; - st_clust(fs, dir + SZDIRE, pcl); - } - for (n = fs->csize; n; n--) { /* Write dot entries and clear following sectors */ - fs->winsect = dsc++; - fs->wflag = 1; - res = sync_window(fs); - if (res != FR_OK) break; - mem_set(dir, 0, SS(fs)); - } - } - if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - st_dword(fs->dirbuf + XDIR_ModTime, tm); - st_dword(fs->dirbuf + XDIR_FstClus, dcl); - st_dword(fs->dirbuf + XDIR_FileSize, (DWORD)dj.obj.objsize); - st_dword(fs->dirbuf + XDIR_ValidFileSize, (DWORD)dj.obj.objsize); - fs->dirbuf[XDIR_GenFlags] = 3; - fs->dirbuf[XDIR_Attr] = AM_DIR; - res = store_xdir(&dj); - } else -#endif - { - dir = dj.dir; - st_dword(dir + DIR_WrtTime, tm); /* Created time */ - st_clust(fs, dir, dcl); /* Table start cluster */ - dir[DIR_Attr] = AM_DIR; /* Attribute */ - fs->wflag = 1; - } - res = sync_fs(fs); - } else { - remove_chain(&dj.obj, dcl, 0); /* Could not register, remove cluster chain */ - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Rename a File/Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_rename ( - const TCHAR* path_old, /* Pointer to the object name to be renamed */ - const TCHAR* path_new /* Pointer to the new name */ -) -{ - FRESULT res; - DIR djo, djn; - FATFS *fs; - BYTE buf[_FS_EXFAT ? SZDIRE * 2 : 24], *dir; - DWORD dw; - DEF_NAMBUF; - - - get_ldnumber(&path_new); /* Ignore drive number of new name */ - res = find_volume(&path_old, &fs, FA_WRITE); /* Get logical drive number of the old object */ - if (res == FR_OK) { - djo.obj.fs = fs; - INIT_NAMBUF(djo); - res = follow_path(&djo, path_old); /* Check old object */ - if (res == FR_OK && (djo.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check validity of name */ -#if _FS_LOCK != 0 - if (res == FR_OK) res = chk_lock(&djo, 2); -#endif - if (res == FR_OK) { /* Object to be renamed is found */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At exFAT */ - BYTE nf, nn; - WORD nh; - - mem_cpy(buf, fs->dirbuf, SZDIRE * 2); /* Save 85+C0 entry of old object */ - mem_cpy(&djn, &djo, sizeof djo); - res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ - if (res == FR_OK) res = FR_EXIST; /* Is new name already in use? */ - if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ - res = dir_register(&djn); /* Register the new entry */ - if (res == FR_OK) { - nf = fs->dirbuf[XDIR_NumSec]; nn = fs->dirbuf[XDIR_NumName]; - nh = ld_word(fs->dirbuf + XDIR_NameHash); - mem_cpy(fs->dirbuf, buf, SZDIRE * 2); - fs->dirbuf[XDIR_NumSec] = nf; fs->dirbuf[XDIR_NumName] = nn; - st_word(fs->dirbuf + XDIR_NameHash, nh); -/* Start of critical section where any interruption can cause a cross-link */ - res = store_xdir(&djn); - } - } - } else -#endif - { /* At FAT12/FAT16/FAT32 */ - mem_cpy(buf, djo.dir + DIR_Attr, 21); /* Save information about the object except name */ - mem_cpy(&djn, &djo, sizeof (DIR)); /* Duplicate the directory object */ - res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ - if (res == FR_OK) res = FR_EXIST; /* Is new name already in use? */ - if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ - res = dir_register(&djn); /* Register the new entry */ - if (res == FR_OK) { - dir = djn.dir; /* Copy information about object except name */ - mem_cpy(dir + 13, buf + 2, 19); - dir[DIR_Attr] = buf[0] | AM_ARC; - fs->wflag = 1; - if ((dir[DIR_Attr] & AM_DIR) && djo.obj.sclust != djn.obj.sclust) { /* Update .. entry in the sub-directory if needed */ - dw = clust2sect(fs, ld_clust(fs, dir)); - if (!dw) { - res = FR_INT_ERR; - } else { -/* Start of critical section where any interruption can cause a cross-link */ - res = move_window(fs, dw); - dir = fs->win + SZDIRE * 1; /* Ptr to .. entry */ - if (res == FR_OK && dir[1] == '.') { - st_clust(fs, dir, djn.obj.sclust); - fs->wflag = 1; - } - } - } - } - } - } - if (res == FR_OK) { - res = dir_remove(&djo); /* Remove old entry */ - if (res == FR_OK) { - res = sync_fs(fs); - } - } -/* End of critical section */ - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - -#endif /* !_FS_READONLY */ -#endif /* _FS_MINIMIZE == 0 */ -#endif /* _FS_MINIMIZE <= 1 */ -#endif /* _FS_MINIMIZE <= 2 */ - - - -#if _USE_CHMOD && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Change Attribute */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_chmod ( - const TCHAR* path, /* Pointer to the file path */ - BYTE attr, /* Attribute bits */ - BYTE mask /* Attribute mask to change */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF; - - - res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive number */ - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ - if (res == FR_OK) { - mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC; /* Valid attribute mask */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->dirbuf[XDIR_Attr] = (attr & mask) | (fs->dirbuf[XDIR_Attr] & (BYTE)~mask); /* Apply attribute change */ - res = store_xdir(&dj); - } else -#endif - { - dj.dir[DIR_Attr] = (attr & mask) | (dj.dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */ - fs->wflag = 1; - } - res = sync_fs(fs); - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Timestamp */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_utime ( - const TCHAR* path, /* Pointer to the file/directory name */ - const FILINFO* fno /* Pointer to the time stamp to be set */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF; - - - res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive number */ - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - st_word(fs->dirbuf + XDIR_ModTime, fno->ftime); - st_word(fs->dirbuf + XDIR_ModTime + 2, fno->fdate); - res = store_xdir(&dj); - } else -#endif - { - st_word(dj.dir + DIR_WrtTime, fno->ftime); - st_word(dj.dir + DIR_WrtDate, fno->fdate); - fs->wflag = 1; - } - if (res == FR_OK) res = sync_fs(fs); - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - -#endif /* _USE_CHMOD && !_FS_READONLY */ - - - -#if _USE_LABEL -/*-----------------------------------------------------------------------*/ -/* Get Volume Label */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_getlabel ( - const TCHAR* path, /* Path name of the logical drive number */ - TCHAR* label, /* Pointer to a buffer to return the volume label */ - DWORD* vsn /* Pointer to a variable to return the volume serial number */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - UINT si, di; -#if _LFN_UNICODE || _FS_EXFAT - WCHAR w; -#endif - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - - /* Get volume label */ - if (res == FR_OK && label) { - dj.obj.fs = fs; dj.obj.sclust = 0; /* Open root directory */ - res = dir_sdi(&dj, 0); - if (res == FR_OK) { - res = dir_read(&dj, 1); /* Find a volume label entry */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - for (si = di = 0; si < dj.dir[XDIR_NumLabel]; si++) { /* Extract volume label from 83 entry */ - w = ld_word(dj.dir + XDIR_Label + si * 2); -#if _LFN_UNICODE - label[di++] = w; -#else - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) w = '?'; /* Replace wrong character */ - if (_DF1S && w >= 0x100) label[di++] = (char)(w >> 8); - label[di++] = (char)w; -#endif - } - label[di] = 0; - } else -#endif - { - si = di = 0; /* Extract volume label from AM_VOL entry with code comversion */ - do { -#if _LFN_UNICODE - w = (si < 11) ? dj.dir[si++] : ' '; - if (IsDBCS1(w) && si < 11 && IsDBCS2(dj.dir[si])) { - w = w << 8 | dj.dir[si++]; - } - label[di++] = ff_convert(w, 1); /* OEM -> Unicode */ -#else - label[di++] = dj.dir[si++]; -#endif - } while (di < 11); - do { /* Truncate trailing spaces */ - label[di] = 0; - if (di == 0) break; - } while (label[--di] == ' '); - } - } - } - if (res == FR_NO_FILE) { /* No label entry and return nul string */ - label[0] = 0; - res = FR_OK; - } - } - - /* Get volume serial number */ - if (res == FR_OK && vsn) { - res = move_window(fs, fs->volbase); - if (res == FR_OK) { - switch (fs->fs_type) { - case FS_EXFAT: di = BPB_VolIDEx; break; - case FS_FAT32: di = BS_VolID32; break; - default: di = BS_VolID; - } - *vsn = ld_dword(&fs->win[di]); - } - } - - LEAVE_FF(fs, res); -} - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Set Volume Label */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_setlabel ( - const TCHAR* label /* Pointer to the volume label to set */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - BYTE dirvn[22]; - UINT i, j, slen; - WCHAR w; - static const char badchr[] = "\"*+,.:;<=>\?[]|\x7F"; - - - /* Get logical drive number */ - res = find_volume(&label, &fs, FA_WRITE); - if (res != FR_OK) LEAVE_FF(fs, res); - dj.obj.fs = fs; - - /* Get length of given volume label */ - for (slen = 0; (UINT)label[slen] >= ' '; slen++) ; /* Get name length */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - for (i = j = 0; i < slen; ) { /* Create volume label in directory form */ - w = label[i++]; -#if !_LFN_UNICODE - if (IsDBCS1(w)) { - w = (i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; - } - w = ff_convert(w, 1); -#endif - if (w == 0 || chk_chr(badchr, w) || j == 22) { /* Check validity check validity of the volume label */ - LEAVE_FF(fs, FR_INVALID_NAME); - } - st_word(dirvn + j, w); j += 2; - } - slen = j; - } else -#endif - { /* At the FAT12/16/32 */ - for ( ; slen && label[slen - 1] == ' '; slen--) ; /* Remove trailing spaces */ - if (slen) { /* Is there a volume label to be set? */ - dirvn[0] = 0; i = j = 0; /* Create volume label in directory form */ - do { -#if _LFN_UNICODE - w = ff_convert(ff_wtoupper(label[i++]), 0); -#else - w = (BYTE)label[i++]; - if (IsDBCS1(w)) { - w = (j < 10 && i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; - } -#if _USE_LFN != 0 - w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0); -#else - if (IsLower(w)) w -= 0x20; /* To upper ASCII characters */ -#ifdef _EXCVT - if (w >= 0x80) w = ExCvt[w - 0x80]; /* To upper extended characters (SBCS cfg) */ -#else - if (!_DF1S && w >= 0x80) w = 0; /* Reject extended characters (ASCII cfg) */ -#endif -#endif -#endif - if (w == 0 || chk_chr(badchr, w) || j >= (UINT)((w >= 0x100) ? 10 : 11)) { /* Reject invalid characters for volume label */ - LEAVE_FF(fs, FR_INVALID_NAME); - } - if (w >= 0x100) dirvn[j++] = (BYTE)(w >> 8); - dirvn[j++] = (BYTE)w; - } while (i < slen); - while (j < 11) dirvn[j++] = ' '; /* Fill remaining name field */ - if (dirvn[0] == DDEM) LEAVE_FF(fs, FR_INVALID_NAME); /* Reject illegal name (heading DDEM) */ - } - } - - /* Set volume label */ - dj.obj.sclust = 0; /* Open root directory */ - res = dir_sdi(&dj, 0); - if (res == FR_OK) { - res = dir_read(&dj, 1); /* Get volume label entry */ - if (res == FR_OK) { - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { - dj.dir[XDIR_NumLabel] = slen / 2; /* Change the volume label */ - mem_cpy(dj.dir + XDIR_Label, dirvn, slen); - } else { - if (slen) { - mem_cpy(dj.dir, dirvn, 11); /* Change the volume label */ - } else { - dj.dir[DIR_Name] = DDEM; /* Remove the volume label */ - } - } - fs->wflag = 1; - res = sync_fs(fs); - } else { /* No volume label entry is found or error */ - if (res == FR_NO_FILE) { - res = FR_OK; - if (slen) { /* Create a volume label entry */ - res = dir_alloc(&dj, 1); /* Allocate an entry */ - if (res == FR_OK) { - mem_set(dj.dir, 0, SZDIRE); /* Clear the entry */ - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { - dj.dir[XDIR_Type] = 0x83; /* Create 83 entry */ - dj.dir[XDIR_NumLabel] = slen / 2; - mem_cpy(dj.dir + XDIR_Label, dirvn, slen); - } else { - dj.dir[DIR_Attr] = AM_VOL; /* Create volume label entry */ - mem_cpy(dj.dir, dirvn, 11); - } - fs->wflag = 1; - res = sync_fs(fs); - } - } - } - } - } - - LEAVE_FF(fs, res); -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_LABEL */ - - - -#if _USE_EXPAND && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Allocate a Contiguous Blocks to the File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_expand ( - FIL* fp, /* Pointer to the file object */ - FSIZE_t fsz, /* File size to be expanded to */ - BYTE opt /* Operation mode 0:Find and prepare or 1:Find and allocate */ -) -{ - FRESULT res; - FATFS *fs; - DWORD val, clst, csz, stcl, scl, ncl, tcl; - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (fsz == 0 || fp->obj.objsize != 0 || !(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); -#if _FS_EXFAT - if (fs->fs_type != FS_EXFAT && fsz >= 0x100000000) LEAVE_FF(fs, FR_DENIED); /* Check if in size limit */ -#endif - csz = (DWORD)fs->csize * SS(fs); /* Cluster size */ - tcl = (DWORD)(fsz / csz) + ((fsz & (csz - 1)) ? 1 : 0); /* Number of clusters required */ - stcl = fs->last_clst; - if (stcl < 2 || stcl >= fs->n_fatent) stcl = 2; - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - scl = find_bitmap(fs, stcl, tcl); /* Find a contiguous cluster block */ - if (scl == 0) res = FR_DENIED; /* No contiguous cluster block was found */ - if (scl == 1) res = FR_INT_ERR; - if (scl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (res == FR_OK) { - if (opt) { - res = change_bitmap(fs, scl, tcl, 1); /* Mark the cluster block 'in use' */ - fs->last_clst = scl + tcl - 1; - } else { - fs->last_clst = scl - 1; /* Set suggested cluster to start next */ - } - } - } else -#endif - { - scl = clst = stcl; ncl = 0; - for (;;) { /* Find a contiguous cluster block */ - val = get_fat(&fp->obj, clst); - if (++clst >= fs->n_fatent) clst = 2; - if (val == 1) { res = FR_INT_ERR; break; } - if (val == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } - if (val == 0) { /* Is it a free cluster? */ - if (++ncl == tcl) break; /* Break if a contiguous cluster block was found */ - } else { - scl = clst; ncl = 0; /* Not a free cluster */ - } - if (clst == stcl) { res = FR_DENIED; break; } /* All cluster scanned? */ - } - if (res == FR_OK) { - if (opt) { - for (clst = scl; tcl; clst++, tcl--) { /* Create a cluster chain on the FAT */ - val = (tcl == 1) ? 0xFFFFFFFF : clst + 1; - res = put_fat(fs, clst, val); - if (res != FR_OK) break; - fs->last_clst = clst; - } - } else { - fs->last_clst = scl - 1; /* Set suggested cluster to start next */ - } - } - } - - if (opt && res == FR_OK) { - fp->obj.sclust = scl; /* Update allocation information */ - fp->obj.objsize = fsz; - if (_FS_EXFAT) fp->obj.stat = 2; - fp->flag |= _FA_MODIFIED; - } - - LEAVE_FF(fs, res); -} - -#endif /* _USE_EXPAND && !_FS_READONLY */ - - - -/*-----------------------------------------------------------------------*/ -/* Forward data to the stream directly */ -/*-----------------------------------------------------------------------*/ -#if _USE_FORWARD - -FRESULT f_forward ( - FIL* fp, /* Pointer to the file object */ - UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */ - UINT btf, /* Number of bytes to forward */ - UINT* bf /* Pointer to number of bytes forwarded */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - FSIZE_t remain; - UINT rcnt, csect; - const BYTE *dbuf; - - - *bf = 0; /* Clear transfer byte counter */ - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - remain = fp->obj.objsize - fp->fptr; - if (btf > remain) btf = (UINT)remain; /* Truncate btf by remaining bytes */ - - for ( ; btf && (*func)(0, 0); /* Repeat until all data transferred or stream goes busy */ - fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) { - csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ - if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ - if (csect == 0) { /* On the cluster boundary? */ - clst = (fp->fptr == 0) ? /* On the top of the file? */ - fp->obj.sclust : get_fat(&fp->obj, fp->clust); - if (clst <= 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - } - } - sect = clust2sect(fs, fp->clust); /* Get current data sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; -#if _FS_TINY - if (move_window(fs, sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window to the file data */ - dbuf = fs->win; -#else - if (fp->sect != sect) { /* Fill sector cache with file data */ -#if !_FS_READONLY - if (fp->flag & _FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - fp->flag &= ~_FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - } - dbuf = fp->buf; -#endif - fp->sect = sect; - rcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ - if (rcnt > btf) rcnt = btf; /* Clip it by btr if needed */ - rcnt = (*func)(dbuf + ((UINT)fp->fptr % SS(fs)), rcnt); /* Forward the file data */ - if (!rcnt) ABORT(fs, FR_INT_ERR); - } - - LEAVE_FF(fs, FR_OK); -} -#endif /* _USE_FORWARD */ - - - -#if _USE_MKFS && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Create file system on the logical drive */ -/*-----------------------------------------------------------------------*/ -#define N_ROOTDIR 512 /* Number of root directory entries for FAT12/16 */ -#define N_FATS 1 /* Number of FATs (1 or 2) */ - - -FRESULT f_mkfs ( - const TCHAR* path, /* Logical drive number */ - BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */ - UINT au /* Size of allocation unit in unit of byte or sector */ -) -{ - static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0}; - static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512}; - int vol; - BYTE fmt, md, sys, *tbl, pdrv, part; - DWORD n_clst, vs, n, wsect; - UINT i; - DWORD b_vol, b_fat, b_dir, b_data; /* LBA */ - DWORD n_vol, n_rsv, n_fat, n_dir; /* Size */ - FATFS *fs; - DSTATUS stat; -#if _USE_TRIM - DWORD eb[2]; -#endif - - - /* Check mounted drive and clear work area */ - if (sfd > 1) return FR_INVALID_PARAMETER; - vol = get_ldnumber(&path); /* Get target volume */ - if (vol < 0) return FR_INVALID_DRIVE; - fs = FatFs[vol]; /* Check if the volume has work area */ - if (!fs) return FR_NOT_ENABLED; - fs->fs_type = 0; - pdrv = LD2PD(vol); /* Physical drive */ - part = LD2PT(vol); /* Partition (0:auto detect, 1-4:get from partition table)*/ - - /* Get disk statics */ - stat = disk_initialize(pdrv); - if (stat & STA_NOINIT) return FR_NOT_READY; - if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; -#if _MAX_SS != _MIN_SS /* Get disk sector size */ - if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS || SS(fs) < _MIN_SS) { - return FR_DISK_ERR; - } -#endif - if (_MULTI_PARTITION && part) { - /* Get partition information from partition table in the MBR */ - if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; - if (ld_word(fs->win + BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; - tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; - if (!tbl[4]) return FR_MKFS_ABORTED; /* No partition? */ - b_vol = ld_dword(tbl + 8); /* Volume start sector */ - n_vol = ld_dword(tbl + 12); /* Volume size */ - } else { - /* Create a single-partition in this function */ - if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128) { - return FR_DISK_ERR; - } - b_vol = (sfd) ? 0 : 63; /* Volume start sector */ - n_vol -= b_vol; /* Volume size */ - } - - if (au & (au - 1)) au = 0; - if (!au) { /* AU auto selection */ - vs = n_vol / (2000 / (SS(fs) / 512)); - for (i = 0; vs < vst[i]; i++) ; - au = cst[i]; - } - if (au >= _MIN_SS) au /= SS(fs); /* Number of sectors per cluster */ - if (!au) au = 1; - if (au > 128) au = 128; - - /* Pre-compute number of clusters and FAT sub-type */ - n_clst = n_vol / au; - fmt = FS_FAT12; - if (n_clst >= MIN_FAT16) fmt = FS_FAT16; - if (n_clst >= MIN_FAT32) fmt = FS_FAT32; - - /* Determine offset and size of FAT structure */ - if (fmt == FS_FAT32) { - n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs); - n_rsv = 32; - n_dir = 0; - } else { - n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4; - n_fat = (n_fat + SS(fs) - 1) / SS(fs); - n_rsv = 1; - n_dir = (DWORD)N_ROOTDIR * SZDIRE / SS(fs); - } - b_fat = b_vol + n_rsv; /* FAT area start sector */ - b_dir = b_fat + n_fat * N_FATS; /* Directory area start sector */ - b_data = b_dir + n_dir; /* Data area start sector */ - if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED; /* Too small volume */ - - /* Align data start sector to erase block boundary (for flash memory media) */ - if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1; - n = (b_data + n - 1) & ~(n - 1); /* Next nearest erase block from current data start */ - n = (n - b_data) / N_FATS; - if (fmt == FS_FAT32) { /* FAT32: Move FAT offset */ - n_rsv += n; - b_fat += n; - } else { /* FAT12/16: Expand FAT size */ - n_fat += n; - } - - /* Determine number of clusters and final check of validity of the FAT sub-type */ - n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au; - if ( (fmt == FS_FAT16 && n_clst < MIN_FAT16) - || (fmt == FS_FAT32 && n_clst < MIN_FAT32)) { - return FR_MKFS_ABORTED; - } - - /* Determine system ID in the partition table */ - if (fmt == FS_FAT32) { - sys = 0x0C; /* FAT32X */ - } else { - if (fmt == FS_FAT12 && n_vol < 0x10000) { - sys = 0x01; /* FAT12(<65536) */ - } else { - sys = (n_vol < 0x10000) ? 0x04 : 0x06; /* FAT16(<65536) : FAT12/16(>=65536) */ - } - } - - if (_MULTI_PARTITION && part) { - /* Update system ID in the partition table */ - tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; - tbl[4] = sys; - if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) { /* Write it to teh MBR */ - return FR_DISK_ERR; - } - md = 0xF8; - } else { - if (sfd) { /* No partition table (SFD) */ - md = 0xF0; - } else { /* Create partition table (FDISK) */ - mem_set(fs->win, 0, SS(fs)); - tbl = fs->win + MBR_Table; /* Create partition table for single partition in the drive */ - tbl[1] = 1; /* Partition start head */ - tbl[2] = 1; /* Partition start sector */ - tbl[3] = 0; /* Partition start cylinder */ - tbl[4] = sys; /* System type */ - tbl[5] = 254; /* Partition end head */ - n = (b_vol + n_vol) / 63 / 255; - tbl[6] = (BYTE)(n >> 2 | 63); /* Partition end sector */ - tbl[7] = (BYTE)n; /* End cylinder */ - st_dword(tbl + 8, 63); /* Partition start in LBA */ - st_dword(tbl + 12, n_vol); /* Partition size in LBA */ - st_word(fs->win + BS_55AA, 0xAA55); /* MBR signature */ - if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) { /* Write it to the MBR */ - return FR_DISK_ERR; - } - md = 0xF8; - } - } - - /* Create BPB in the VBR */ - tbl = fs->win; /* Clear sector */ - mem_set(tbl, 0, SS(fs)); - mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */ - i = SS(fs); /* Sector size */ - st_word(tbl + BPB_BytsPerSec, (WORD)i); - tbl[BPB_SecPerClus] = (BYTE)au; /* Sectors per cluster */ - st_word(tbl + BPB_RsvdSecCnt, (WORD)n_rsv); /* Reserved sectors */ - tbl[BPB_NumFATs] = N_FATS; /* Number of FATs */ - i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of root directory entries */ - st_word(tbl + BPB_RootEntCnt, (WORD)i); - if (n_vol < 0x10000) { /* Number of total sectors */ - st_word(tbl + BPB_TotSec16, (WORD)n_vol); - } else { - st_dword(tbl + BPB_TotSec32, (WORD)n_vol); - } - tbl[BPB_Media] = md; /* Media descriptor */ - st_word(tbl + BPB_SecPerTrk, 63); /* Number of sectors per track */ - st_word(tbl + BPB_NumHeads, 255); /* Number of heads */ - st_dword(tbl + BPB_HiddSec, b_vol); /* Volume offset */ - n = GET_FATTIME(); /* Use current time as VSN */ - if (fmt == FS_FAT32) { - st_dword(tbl + BS_VolID32, n); /* VSN */ - st_dword(tbl + BPB_FATSz32, n_fat); /* Number of sectors per FAT */ - st_dword(tbl + BPB_RootClus32, 2); /* Root directory start cluster (2) */ - st_word(tbl + BPB_FSInfo32, 1); /* FSINFO record offset (VBR + 1) */ - st_word(tbl + BPB_BkBootSec32, 6); /* Backup boot record offset (VBR + 6) */ - tbl[BS_DrvNum32] = 0x80; /* Drive number */ - tbl[BS_BootSig32] = 0x29; /* Extended boot signature */ - mem_cpy(tbl + BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */ - } else { - st_dword(tbl + BS_VolID, n); /* VSN */ - st_word(tbl + BPB_FATSz16, (WORD)n_fat); /* Number of sectors per FAT */ - tbl[BS_DrvNum] = 0x80; /* Drive number */ - tbl[BS_BootSig] = 0x29; /* Extended boot signature */ - mem_cpy(tbl + BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */ - } - st_word(tbl + BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */ - if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK) { /* Write it to the VBR sector */ - return FR_DISK_ERR; - } - if (fmt == FS_FAT32) { /* Write it to the backup VBR if needed (VBR + 6) */ - disk_write(pdrv, tbl, b_vol + 6, 1); - } - - /* Initialize FAT area */ - wsect = b_fat; - for (i = 0; i < N_FATS; i++) { /* Initialize each FAT copy */ - mem_set(tbl, 0, SS(fs)); /* 1st sector of the FAT */ - n = md; /* Media descriptor byte */ - if (fmt != FS_FAT32) { - n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00; - st_dword(tbl + 0, n); /* Reserve cluster #0-1 (FAT12/16) */ - } else { - n |= 0xFFFFFF00; - st_dword(tbl + 0, n); /* Reserve cluster #0-1 (FAT32) */ - st_dword(tbl + 4, 0xFFFFFFFF); - st_dword(tbl + 8, 0x0FFFFFFF); /* Reserve cluster #2 for root directory */ - } - if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) { - return FR_DISK_ERR; - } - mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */ - for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector writes */ - if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) { - return FR_DISK_ERR; - } - } - } - - /* Initialize root directory */ - i = (fmt == FS_FAT32) ? au : (UINT)n_dir; - do { - if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) { - return FR_DISK_ERR; - } - } while (--i); - -#if _USE_TRIM /* Erase data area if needed */ - { - eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1; - disk_ioctl(pdrv, CTRL_TRIM, eb); - } -#endif - - /* Create FSINFO if needed */ - if (fmt == FS_FAT32) { - st_dword(tbl + FSI_LeadSig, 0x41615252); - st_dword(tbl + FSI_StrucSig, 0x61417272); - st_dword(tbl + FSI_Free_Count, n_clst - 1); /* Number of free clusters */ - st_dword(tbl + FSI_Nxt_Free, 2); /* Last allocated cluster# */ - st_word(tbl + BS_55AA, 0xAA55); - disk_write(pdrv, tbl, b_vol + 1, 1); /* Write original (VBR + 1) */ - disk_write(pdrv, tbl, b_vol + 7, 1); /* Write backup (VBR + 7) */ - } - - return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR; -} - - - -#if _MULTI_PARTITION -/*-----------------------------------------------------------------------*/ -/* Create partition table on the physical drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_fdisk ( - BYTE pdrv, /* Physical drive number */ - const DWORD szt[], /* Pointer to the size table for each partitions */ - void* work /* Pointer to the working buffer */ -) -{ - UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl; - BYTE s_hd, e_hd, *p, *buf = (BYTE*)work; - DSTATUS stat; - DWORD sz_disk, sz_part, s_part; - - - stat = disk_initialize(pdrv); - if (stat & STA_NOINIT) return FR_NOT_READY; - if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; - if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR; - - /* Determine CHS in the table regardless of the drive geometry */ - for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ; - if (n == 256) n--; - e_hd = n - 1; - sz_cyl = 63 * n; - tot_cyl = sz_disk / sz_cyl; - - /* Create partition table */ - mem_set(buf, 0, _MAX_SS); - p = buf + MBR_Table; b_cyl = 0; - for (i = 0; i < 4; i++, p += SZ_PTE) { - p_cyl = (szt[i] <= 100U) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl; - if (!p_cyl) continue; - s_part = (DWORD)sz_cyl * b_cyl; - sz_part = (DWORD)sz_cyl * p_cyl; - if (i == 0) { /* Exclude first track of cylinder 0 */ - s_hd = 1; - s_part += 63; sz_part -= 63; - } else { - s_hd = 0; - } - e_cyl = b_cyl + p_cyl - 1; - if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER; - - /* Set partition table */ - p[1] = s_hd; /* Start head */ - p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */ - p[3] = (BYTE)b_cyl; /* Start cylinder */ - p[4] = 0x06; /* System type (temporary setting) */ - p[5] = e_hd; /* End head */ - p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */ - p[7] = (BYTE)e_cyl; /* End cylinder */ - st_dword(p + 8, s_part); /* Start sector in LBA */ - st_dword(p + 12, sz_part); /* Partition size */ - - /* Next partition */ - b_cyl += p_cyl; - } - st_word(p, 0xAA55); - - /* Write it to the MBR */ - return (disk_write(pdrv, buf, 0, 1) != RES_OK || disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) ? FR_DISK_ERR : FR_OK; -} - - -#endif /* _MULTI_PARTITION */ -#endif /* _USE_MKFS && !_FS_READONLY */ - - - - -#if _USE_STRFUNC -/*-----------------------------------------------------------------------*/ -/* Get a string from the file */ -/*-----------------------------------------------------------------------*/ - -TCHAR* f_gets ( - TCHAR* buff, /* Pointer to the string buffer to read */ - int len, /* Size of string buffer (characters) */ - FIL* fp /* Pointer to the file object */ -) -{ - int n = 0; - TCHAR c, *p = buff; - BYTE s[2]; - UINT rc; - - - while (n < len - 1) { /* Read characters until buffer gets filled */ -#if _LFN_UNICODE -#if _STRF_ENCODE == 3 /* Read a character in UTF-8 */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; - if (c >= 0x80) { - if (c < 0xC0) continue; /* Skip stray trailer */ - if (c < 0xE0) { /* Two-byte sequence */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = (c & 0x1F) << 6 | (s[0] & 0x3F); - if (c < 0x80) c = '?'; - } else { - if (c < 0xF0) { /* Three-byte sequence */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = c << 12 | (s[0] & 0x3F) << 6 | (s[1] & 0x3F); - if (c < 0x800) c = '?'; - } else { /* Reject four-byte sequence */ - c = '?'; - } - } - } -#elif _STRF_ENCODE == 2 /* Read a character in UTF-16BE */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = s[1] + (s[0] << 8); -#elif _STRF_ENCODE == 1 /* Read a character in UTF-16LE */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = s[0] + (s[1] << 8); -#else /* Read a character in ANSI/OEM */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; - if (IsDBCS1(c)) { - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = (c << 8) + s[0]; - } - c = ff_convert(c, 1); /* OEM -> Unicode */ - if (!c) c = '?'; -#endif -#else /* Read a character without conversion */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; -#endif - if (_USE_STRFUNC == 2 && c == '\r') continue; /* Strip '\r' */ - *p++ = c; - n++; - if (c == '\n') break; /* Break on EOL */ - } - *p = 0; - return n ? buff : 0; /* When no data read (eof or error), return with error. */ -} - - - - -#if !_FS_READONLY -#include -/*-----------------------------------------------------------------------*/ -/* Put a character to the file */ -/*-----------------------------------------------------------------------*/ - -typedef struct { - FIL* fp; - int idx, nchr; - BYTE buf[64]; -} putbuff; - - -static -void putc_bfd ( - putbuff* pb, - TCHAR c -) -{ - UINT bw; - int i; - - - if (_USE_STRFUNC == 2 && c == '\n') { /* LF -> CRLF conversion */ - putc_bfd(pb, '\r'); - } - - i = pb->idx; /* Buffer write index (-1:error) */ - if (i < 0) return; - -#if _LFN_UNICODE -#if _STRF_ENCODE == 3 /* Write a character in UTF-8 */ - if (c < 0x80) { /* 7-bit */ - pb->buf[i++] = (BYTE)c; - } else { - if (c < 0x800) { /* 11-bit */ - pb->buf[i++] = (BYTE)(0xC0 | c >> 6); - } else { /* 16-bit */ - pb->buf[i++] = (BYTE)(0xE0 | c >> 12); - pb->buf[i++] = (BYTE)(0x80 | (c >> 6 & 0x3F)); - } - pb->buf[i++] = (BYTE)(0x80 | (c & 0x3F)); - } -#elif _STRF_ENCODE == 2 /* Write a character in UTF-16BE */ - pb->buf[i++] = (BYTE)(c >> 8); - pb->buf[i++] = (BYTE)c; -#elif _STRF_ENCODE == 1 /* Write a character in UTF-16LE */ - pb->buf[i++] = (BYTE)c; - pb->buf[i++] = (BYTE)(c >> 8); -#else /* Write a character in ANSI/OEM */ - c = ff_convert(c, 0); /* Unicode -> OEM */ - if (!c) c = '?'; - if (c >= 0x100) - pb->buf[i++] = (BYTE)(c >> 8); - pb->buf[i++] = (BYTE)c; -#endif -#else /* Write a character without conversion */ - pb->buf[i++] = (BYTE)c; -#endif - - if (i >= (int)(sizeof pb->buf) - 3) { /* Write buffered characters to the file */ - f_write(pb->fp, pb->buf, (UINT)i, &bw); - i = (bw == (UINT)i) ? 0 : -1; - } - pb->idx = i; - pb->nchr++; -} - - - -int f_putc ( - TCHAR c, /* A character to be output */ - FIL* fp /* Pointer to the file object */ -) -{ - putbuff pb; - UINT nw; - - - pb.fp = fp; /* Initialize output buffer */ - pb.nchr = pb.idx = 0; - - putc_bfd(&pb, c); /* Put a character */ - - if ( pb.idx >= 0 /* Flush buffered characters to the file */ - && f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK - && (UINT)pb.idx == nw) return pb.nchr; - return EOF; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a string to the file */ -/*-----------------------------------------------------------------------*/ - -int f_puts ( - const TCHAR* str, /* Pointer to the string to be output */ - FIL* fp /* Pointer to the file object */ -) -{ - putbuff pb; - UINT nw; - - - pb.fp = fp; /* Initialize output buffer */ - pb.nchr = pb.idx = 0; - - while (*str) /* Put the string */ - putc_bfd(&pb, *str++); - - if ( pb.idx >= 0 /* Flush buffered characters to the file */ - && f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK - && (UINT)pb.idx == nw) return pb.nchr; - return EOF; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a formatted string to the file */ -/*-----------------------------------------------------------------------*/ - -int f_printf ( - FIL* fp, /* Pointer to the file object */ - const TCHAR* fmt, /* Pointer to the format string */ - ... /* Optional arguments... */ -) -{ - va_list arp; - BYTE f, r; - UINT nw, i, j, w; - DWORD v; - TCHAR c, d, str[32], *p; - putbuff pb; - - - pb.fp = fp; /* Initialize output buffer */ - pb.nchr = pb.idx = 0; - - va_start(arp, fmt); - - for (;;) { - c = *fmt++; - if (c == 0) break; /* End of string */ - if (c != '%') { /* Non escape character */ - putc_bfd(&pb, c); - continue; - } - w = f = 0; - c = *fmt++; - if (c == '0') { /* Flag: '0' padding */ - f = 1; c = *fmt++; - } else { - if (c == '-') { /* Flag: left justified */ - f = 2; c = *fmt++; - } - } - while (IsDigit(c)) { /* Precision */ - w = w * 10 + c - '0'; - c = *fmt++; - } - if (c == 'l' || c == 'L') { /* Prefix: Size is long int */ - f |= 4; c = *fmt++; - } - if (!c) break; - d = c; - if (IsLower(d)) d -= 0x20; - switch (d) { /* Type is... */ - case 'S' : /* String */ - p = va_arg(arp, TCHAR*); - for (j = 0; p[j]; j++) ; - if (!(f & 2)) { - while (j++ < w) putc_bfd(&pb, ' '); - } - while (*p) putc_bfd(&pb, *p++); - while (j++ < w) putc_bfd(&pb, ' '); - continue; - case 'C' : /* Character */ - putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue; - case 'B' : /* Binary */ - r = 2; break; - case 'O' : /* Octal */ - r = 8; break; - case 'D' : /* Signed decimal */ - case 'U' : /* Unsigned decimal */ - r = 10; break; - case 'X' : /* Hexdecimal */ - r = 16; break; - default: /* Unknown type (pass-through) */ - putc_bfd(&pb, c); continue; - } - - /* Get an argument and put it in numeral */ - v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int)); - if (d == 'D' && (v & 0x80000000)) { - v = 0 - v; - f |= 8; - } - i = 0; - do { - d = (TCHAR)(v % r); v /= r; - if (d > 9) d += (c == 'x') ? 0x27 : 0x07; - str[i++] = d + '0'; - } while (v && i < sizeof str / sizeof str[0]); - if (f & 8) str[i++] = '-'; - j = i; d = (f & 1) ? '0' : ' '; - while (!(f & 2) && j++ < w) putc_bfd(&pb, d); - do putc_bfd(&pb, str[--i]); while (i); - while (j++ < w) putc_bfd(&pb, d); - } - - va_end(arp); - - if ( pb.idx >= 0 /* Flush buffered characters to the file */ - && f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK - && (UINT)pb.idx == nw) return pb.nchr; - return EOF; -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_STRFUNC */ diff --git a/loader/source/fatfs/ff.h b/loader/source/fatfs/ff.h deleted file mode 100644 index 437093f..0000000 --- a/loader/source/fatfs/ff.h +++ /dev/null @@ -1,366 +0,0 @@ -/*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module include R0.12 (C)ChaN, 2016 -/----------------------------------------------------------------------------/ -/ FatFs module is a free software that opened under license policy of -/ following conditions. -/ -/ Copyright (C) 2016, ChaN, all right reserved. -/ -/ 1. Redistributions of source code must retain the above copyright notice, -/ this condition and the following disclaimer. -/ -/ This software is provided by the copyright holder and contributors "AS IS" -/ and any warranties related to this software are DISCLAIMED. -/ The copyright owner or contributors be NOT LIABLE for any damages caused -/ by use of this software. -/---------------------------------------------------------------------------*/ - - -#ifndef _FATFS -#define _FATFS 88100 /* Revision ID */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include "integer.h" /* Basic integer types */ -#include "ffconf.h" /* FatFs configuration options */ -#if _FATFS != _FFCONF -#error Wrong configuration file (ffconf.h). -#endif - - - -/* Definitions of volume management */ - -#if _MULTI_PARTITION /* Multiple partition configuration */ -typedef struct { - BYTE pd; /* Physical drive number */ - BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ -} PARTITION; -extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ -#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ -#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ - -#else /* Single partition configuration */ -#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ -#define LD2PT(vol) 0 /* Find first valid partition or in SFD */ - -#endif - - - -/* Type of path name strings on FatFs API */ - -#if _LFN_UNICODE /* Unicode string */ -#if _USE_LFN == 0 -#error _LFN_UNICODE must be 0 at non-LFN cfg. -#endif -#ifndef _INC_TCHAR -typedef WCHAR TCHAR; -#define _T(x) L ## x -#define _TEXT(x) L ## x -#endif - -#else /* ANSI/OEM string */ -#ifndef _INC_TCHAR -typedef char TCHAR; -#define _T(x) x -#define _TEXT(x) x -#endif - -#endif - - - -/* File system object structure (FATFS) */ - -typedef struct { - BYTE fs_type; /* File system type (0:N/A) */ - BYTE drv; /* Physical drive number */ - BYTE n_fats; /* Number of FATs (1 or 2) */ - BYTE wflag; /* win[] flag (b0:dirty) */ - BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */ - WORD id; /* File system mount ID */ - WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ - WORD csize; /* Cluster size [sectors] */ -#if _MAX_SS != _MIN_SS - WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */ -#endif -#if _FS_EXFAT - BYTE* dirbuf; /* Directory entry block scratchpad buffer */ -#endif -#if _FS_REENTRANT - _SYNC_t sobj; /* Identifier of sync object */ -#endif -#if !_FS_READONLY - DWORD last_clst; /* Last allocated cluster */ - DWORD free_clst; /* Number of free clusters */ -#endif -#if _FS_RPATH != 0 - DWORD cdir; /* Current directory start cluster (0:root) */ -#if _FS_EXFAT - DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */ - DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */ - DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */ -#endif -#endif - DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */ - DWORD fsize; /* Size of an FAT [sectors] */ - DWORD volbase; /* Volume base sector */ - DWORD fatbase; /* FAT base sector */ - DWORD dirbase; /* Root directory base sector/cluster */ - DWORD database; /* Data base sector */ - DWORD winsect; /* Current sector appearing in the win[] */ - BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ -} FATFS; - - - -/* Type of file size variables and object identifier */ - -#if _FS_EXFAT -#if _USE_LFN == 0 -#error LFN must be enabled when enable exFAT -#endif -typedef QWORD FSIZE_t; -#else -typedef DWORD FSIZE_t; -#endif - - - -/* Object ID and allocation information (_FDID) */ - -typedef struct { - FATFS* fs; /* Pointer to the owner file system object */ - WORD id; /* Owner file system mount ID */ - BYTE attr; /* Object attribute */ - BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */ - DWORD sclust; /* Object start cluster (0:no cluster or root directory) */ - FSIZE_t objsize; /* Object size (valid when sclust != 0) */ -#if _FS_EXFAT - DWORD n_cont; /* Size of coutiguous part, clusters - 1 (valid when stat == 3) */ - DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */ - DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */ - DWORD c_ofs; /* Offset in the containing directory (valid when sclust != 0) */ -#endif -#if _FS_LOCK != 0 - UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */ -#endif -} _FDID; - - - -/* File object structure (FIL) */ - -typedef struct { - _FDID obj; /* Object identifier */ - BYTE flag; /* File status flags */ - BYTE err; /* Abort flag (error code) */ - FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */ - DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */ - DWORD sect; /* Sector number appearing in buf[] (0:invalid) */ -#if !_FS_READONLY - DWORD dir_sect; /* Sector number containing the directory entry */ - BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */ -#endif -#if _USE_FASTSEEK - DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */ -#endif -#if !_FS_TINY - BYTE buf[_MAX_SS]; /* File private data read/write window */ -#endif -} FIL; - - - -/* Directory object structure (DIR) */ - -typedef struct { - _FDID obj; /* Object identifier */ - DWORD dptr; /* Current read/write offset */ - DWORD clust; /* Current cluster */ - DWORD sect; /* Current sector */ - BYTE* dir; /* Pointer to the directory item in the win[] */ - BYTE* fn; /* Pointer to the SFN (in/out) {body[8],ext[3],status[1]} */ -#if _USE_LFN != 0 - DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */ - WCHAR* lfn; /* Pointer to the LFN working buffer */ -#endif -#if _USE_FIND - const TCHAR* pat; /* Pointer to the name matching pattern */ -#endif -} DIR; - - - -/* File information structure (FILINFO) */ - -typedef struct { - FSIZE_t fsize; /* File size */ - WORD fdate; /* Modified date */ - WORD ftime; /* Modified time */ - BYTE fattrib; /* File attribute */ -#if _USE_LFN != 0 - TCHAR altname[13]; /* Altenative file name */ - TCHAR fname[_MAX_LFN + 1]; /* Primary file name */ -#else - TCHAR fname[13]; /* File name */ -#endif -} FILINFO; - - - -/* File function return code (FRESULT) */ - -typedef enum { - FR_OK = 0, /* (0) Succeeded */ - FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */ - FR_INT_ERR, /* (2) Assertion failed */ - FR_NOT_READY, /* (3) The physical drive cannot work */ - FR_NO_FILE, /* (4) Could not find the file */ - FR_NO_PATH, /* (5) Could not find the path */ - FR_INVALID_NAME, /* (6) The path name format is invalid */ - FR_DENIED, /* (7) Access denied due to prohibited access or directory full */ - FR_EXIST, /* (8) Access denied due to prohibited access */ - FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ - FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ - FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ - FR_NOT_ENABLED, /* (12) The volume has no work area */ - FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */ - FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */ - FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */ - FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */ - FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ - FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */ - FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ -} FRESULT; - - - -/*--------------------------------------------------------------*/ -/* FatFs module application interface */ - -FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */ -FRESULT f_close (FIL* fp); /* Close an open file object */ -FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */ -FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */ -FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of a file object */ -FRESULT f_truncate (FIL* fp); /* Truncate file */ -FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */ -FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */ -FRESULT f_closedir (DIR* dp); /* Close an open directory */ -FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */ -FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */ -FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */ -FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */ -FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */ -FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */ -FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */ -FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */ -FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of the file/dir */ -FRESULT f_chdir (const TCHAR* path); /* Change current directory */ -FRESULT f_chdrive (const TCHAR* path); /* Change current drive */ -FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */ -FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */ -FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */ -FRESULT f_setlabel (const TCHAR* label); /* Set volume label */ -FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */ -FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */ -FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */ -FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */ -FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */ -int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */ -int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */ -int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */ -TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */ - -#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize)) -#define f_error(fp) ((fp)->err) -#define f_tell(fp) ((fp)->fptr) -#define f_size(fp) ((fp)->obj.objsize) -#define f_rewind(fp) f_lseek((fp), 0) -#define f_rewinddir(dp) f_readdir((dp), 0) - -#ifndef EOF -#define EOF (-1) -#endif - - - - -/*--------------------------------------------------------------*/ -/* Additional user defined functions */ - -/* RTC function */ -#if !_FS_READONLY && !_FS_NORTC -DWORD get_fattime (void); -#endif - -/* Unicode support functions */ -#if _USE_LFN != 0 /* Unicode - OEM code conversion */ -WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */ -WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */ -#if _USE_LFN == 3 /* Memory functions */ -void* ff_memalloc (UINT msize); /* Allocate memory block */ -void ff_memfree (void* mblock); /* Free memory block */ -#endif -#endif - -/* Sync functions */ -#if _FS_REENTRANT -int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */ -int ff_req_grant (_SYNC_t sobj); /* Lock sync object */ -void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */ -int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */ -#endif - - - - -/*--------------------------------------------------------------*/ -/* Flags and offset address */ - - -/* File access control and file status flags (FIL.flag) */ - -#define FA_READ 0x01 -#define FA_WRITE 0x02 -#define FA_OPEN_EXISTING 0x00 -#define FA_CREATE_NEW 0x04 -#define FA_CREATE_ALWAYS 0x08 -#define FA_OPEN_ALWAYS 0x10 -#define _FA_MODIFIED 0x20 -#define _FA_DIRTY 0x40 - - -/* FAT sub type (FATFS.fs_type) */ - -#define FS_FAT12 1 -#define FS_FAT16 2 -#define FS_FAT32 3 -#define FS_EXFAT 4 - - -/* File attribute bits for directory entry */ - -#define AM_RDO 0x01 /* Read only */ -#define AM_HID 0x02 /* Hidden */ -#define AM_SYS 0x04 /* System */ -#define AM_VOL 0x08 /* Volume label */ -#define AM_LFN 0x0F /* LFN entry */ -#define AM_DIR 0x10 /* Directory */ -#define AM_ARC 0x20 /* Archive */ -#define AM_MASK 0x3F /* Mask of defined bits */ - - -/* Fast seek controls */ -#define CREATE_LINKMAP ((FSIZE_t)0 - 1) - - -#ifdef __cplusplus -} -#endif - -#endif /* _FATFS */ diff --git a/loader/source/fatfs/ffconf.h b/loader/source/fatfs/ffconf.h deleted file mode 100644 index 64183db..0000000 --- a/loader/source/fatfs/ffconf.h +++ /dev/null @@ -1,266 +0,0 @@ -/*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module configuration file R0.12 (C)ChaN, 2016 -/---------------------------------------------------------------------------*/ - -#define _FFCONF 88100 /* Revision ID */ - -/*---------------------------------------------------------------------------/ -/ Function Configurations -/---------------------------------------------------------------------------*/ - -#define _FS_READONLY 1 -/* This option switches read-only configuration. (0:Read/Write or 1:Read-only) -/ Read-only configuration removes writing API functions, f_write(), f_sync(), -/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree() -/ and optional writing functions as well. */ - - -#define _FS_MINIMIZE 3 -/* This option defines minimization level to remove some basic API functions. -/ -/ 0: All basic functions are enabled. -/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename() -/ are removed. -/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1. -/ 3: f_lseek() function is removed in addition to 2. */ - - -#define _USE_STRFUNC 0 -/* This option switches string functions, f_gets(), f_putc(), f_puts() and -/ f_printf(). -/ -/ 0: Disable string functions. -/ 1: Enable without LF-CRLF conversion. -/ 2: Enable with LF-CRLF conversion. */ - - -#define _USE_FIND 0 -/* This option switches filtered directory read functions, f_findfirst() and -/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */ - - -#define _USE_MKFS 0 -/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */ - - -#define _USE_FASTSEEK 0 -/* This option switches fast seek function. (0:Disable or 1:Enable) */ - - -#define _USE_EXPAND 0 -/* This option switches f_expand function. (0:Disable or 1:Enable) */ - - -#define _USE_CHMOD 0 -/* This option switches attribute manipulation functions, f_chmod() and f_utime(). -/ (0:Disable or 1:Enable) Also _FS_READONLY needs to be 0 to enable this option. */ - - -#define _USE_LABEL 0 -/* This option switches volume label functions, f_getlabel() and f_setlabel(). -/ (0:Disable or 1:Enable) */ - - -#define _USE_FORWARD 0 -/* This option switches f_forward() function. (0:Disable or 1:Enable) -/ To enable it, also _FS_TINY need to be 1. */ - - -/*---------------------------------------------------------------------------/ -/ Locale and Namespace Configurations -/---------------------------------------------------------------------------*/ - -#define _CODE_PAGE 1 -/* This option specifies the OEM code page to be used on the target system. -/ Incorrect setting of the code page can cause a file open failure. -/ -/ 1 - ASCII (No extended character. Non-LFN cfg. only) -/ 437 - U.S. -/ 720 - Arabic -/ 737 - Greek -/ 771 - KBL -/ 775 - Baltic -/ 850 - Latin 1 -/ 852 - Latin 2 -/ 855 - Cyrillic -/ 857 - Turkish -/ 860 - Portuguese -/ 861 - Icelandic -/ 862 - Hebrew -/ 863 - Canadian French -/ 864 - Arabic -/ 865 - Nordic -/ 866 - Russian -/ 869 - Greek 2 -/ 932 - Japanese (DBCS) -/ 936 - Simplified Chinese (DBCS) -/ 949 - Korean (DBCS) -/ 950 - Traditional Chinese (DBCS) -*/ - - -#define _USE_LFN 0 -#define _MAX_LFN 255 -/* The _USE_LFN switches the support of long file name (LFN). -/ -/ 0: Disable support of LFN. _MAX_LFN has no effect. -/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe. -/ 2: Enable LFN with dynamic working buffer on the STACK. -/ 3: Enable LFN with dynamic working buffer on the HEAP. -/ -/ To enable the LFN, Unicode handling functions (option/unicode.c) must be added -/ to the project. The working buffer occupies (_MAX_LFN + 1) * 2 bytes and -/ additional 608 bytes at exFAT enabled. _MAX_LFN can be in range from 12 to 255. -/ It should be set 255 to support full featured LFN operations. -/ When use stack for the working buffer, take care on stack overflow. When use heap -/ memory for the working buffer, memory management functions, ff_memalloc() and -/ ff_memfree(), must be added to the project. */ - - -#define _LFN_UNICODE 0 -/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode) -/ To use Unicode string for the path name, enable LFN and set _LFN_UNICODE = 1. -/ This option also affects behavior of string I/O functions. */ - - -#define _STRF_ENCODE 3 -/* When _LFN_UNICODE == 1, this option selects the character encoding on the file to -/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf(). -/ -/ 0: ANSI/OEM -/ 1: UTF-16LE -/ 2: UTF-16BE -/ 3: UTF-8 -/ -/ This option has no effect when _LFN_UNICODE == 0. */ - - -#define _FS_RPATH 0 -/* This option configures support of relative path. -/ -/ 0: Disable relative path and remove related functions. -/ 1: Enable relative path. f_chdir() and f_chdrive() are available. -/ 2: f_getcwd() function is available in addition to 1. -*/ - - -/*---------------------------------------------------------------------------/ -/ Drive/Volume Configurations -/---------------------------------------------------------------------------*/ - -#define _VOLUMES 1 -/* Number of volumes (logical drives) to be used. */ - - -#define _STR_VOLUME_ID 0 -#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3" -/* _STR_VOLUME_ID switches string support of volume ID. -/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive -/ number in the path name. _VOLUME_STRS defines the drive ID strings for each -/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for -/ the drive ID strings are: A-Z and 0-9. */ - - -#define _MULTI_PARTITION 0 -/* This option switches support of multi-partition on a physical drive. -/ By default (0), each logical drive number is bound to the same physical drive -/ number and only an FAT volume found on the physical drive will be mounted. -/ When multi-partition is enabled (1), each logical drive number can be bound to -/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk() -/ funciton will be available. */ - - -#define _MIN_SS 512 -#define _MAX_SS 512 -/* These options configure the range of sector size to be supported. (512, 1024, -/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and -/ harddisk. But a larger value may be required for on-board flash memory and some -/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured -/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the -/ disk_ioctl() function. */ - - -#define _USE_TRIM 0 -/* This option switches support of ATA-TRIM. (0:Disable or 1:Enable) -/ To enable Trim function, also CTRL_TRIM command should be implemented to the -/ disk_ioctl() function. */ - - -#define _FS_NOFSINFO 0 -/* If you need to know correct free space on the FAT32 volume, set bit 0 of this -/ option, and f_getfree() function at first time after volume mount will force -/ a full FAT scan. Bit 1 controls the use of last allocated cluster number. -/ -/ bit0=0: Use free cluster count in the FSINFO if available. -/ bit0=1: Do not trust free cluster count in the FSINFO. -/ bit1=0: Use last allocated cluster number in the FSINFO if available. -/ bit1=1: Do not trust last allocated cluster number in the FSINFO. -*/ - - - -/*---------------------------------------------------------------------------/ -/ System Configurations -/---------------------------------------------------------------------------*/ - -#define _FS_TINY 0 -/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny) -/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS bytes. -/ Instead of private sector buffer eliminated from the file object, common sector -/ buffer in the file system object (FATFS) is used for the file data transfer. */ - - -#define _FS_EXFAT 0 -/* This option switches support of exFAT file system in addition to the traditional -/ FAT file system. (0:Disable or 1:Enable) To enable exFAT, also LFN must be enabled. -/ Note that enabling exFAT discards C89 compatibility. */ - - -#define _FS_NORTC 1 -#define _NORTC_MON 3 -#define _NORTC_MDAY 1 -#define _NORTC_YEAR 2016 -/* The option _FS_NORTC switches timestamp functiton. If the system does not have -/ any RTC function or valid timestamp is not needed, set _FS_NORTC = 1 to disable -/ the timestamp function. All objects modified by FatFs will have a fixed timestamp -/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR in local time. -/ To enable timestamp function (_FS_NORTC = 0), get_fattime() function need to be -/ added to the project to get current time form real-time clock. _NORTC_MON, -/ _NORTC_MDAY and _NORTC_YEAR have no effect. -/ These options have no effect at read-only configuration (_FS_READONLY = 1). */ - - -#define _FS_LOCK 0 -/* The option _FS_LOCK switches file lock function to control duplicated file open -/ and illegal operation to open objects. This option must be 0 when _FS_READONLY -/ is 1. -/ -/ 0: Disable file lock function. To avoid volume corruption, application program -/ should avoid illegal open, remove and rename to the open objects. -/ >0: Enable file lock function. The value defines how many files/sub-directories -/ can be opened simultaneously under file lock control. Note that the file -/ lock control is independent of re-entrancy. */ - - -#define _FS_REENTRANT 0 -#define _FS_TIMEOUT 1000 -#define _SYNC_t HANDLE -/* The option _FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs -/ module itself. Note that regardless of this option, file access to different -/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs() -/ and f_fdisk() function, are always not re-entrant. Only file/directory access -/ to the same volume is under control of this function. -/ -/ 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect. -/ 1: Enable re-entrancy. Also user provided synchronization handlers, -/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj() -/ function, must be added to the project. Samples are available in -/ option/syscall.c. -/ -/ The _FS_TIMEOUT defines timeout period in unit of time tick. -/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*, -/ SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be -/ included somewhere in the scope of ff.c. */ - - -/*--- End of configuration options ---*/ diff --git a/loader/source/fatfs/integer.h b/loader/source/fatfs/integer.h deleted file mode 100644 index 4660ed6..0000000 --- a/loader/source/fatfs/integer.h +++ /dev/null @@ -1,38 +0,0 @@ -/*-------------------------------------------*/ -/* Integer type definitions for FatFs module */ -/*-------------------------------------------*/ - -#ifndef _FF_INTEGER -#define _FF_INTEGER - -#ifdef _WIN32 /* FatFs development platform */ - -#include -#include -typedef unsigned __int64 QWORD; - - -#else /* Embedded platform */ - -/* These types MUST be 16-bit or 32-bit */ -typedef int INT; -typedef unsigned int UINT; - -/* This type MUST be 8-bit */ -typedef unsigned char BYTE; - -/* These types MUST be 16-bit */ -typedef short SHORT; -typedef unsigned short WORD; -typedef unsigned short WCHAR; - -/* These types MUST be 32-bit */ -typedef long LONG; -typedef unsigned long DWORD; - -/* This type MUST be 64-bit (Remove this for C89 compatibility) */ -typedef unsigned long long QWORD; - -#endif - -#endif diff --git a/loader/source/fatfs/sdmmc/delay.h b/loader/source/fatfs/sdmmc/delay.h deleted file mode 100644 index afad438..0000000 --- a/loader/source/fatfs/sdmmc/delay.h +++ /dev/null @@ -1,9 +0,0 @@ -// Copyright 2014 Normmatt -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include "common.h" - -void ioDelay(u32 us); diff --git a/loader/source/fatfs/sdmmc/delay.s b/loader/source/fatfs/sdmmc/delay.s deleted file mode 100644 index b3baccd..0000000 --- a/loader/source/fatfs/sdmmc/delay.s +++ /dev/null @@ -1,17 +0,0 @@ -// Copyright 2014 Normmatt -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -.arm -.global ioDelay -.type ioDelay STT_FUNC - -@ioDelay ( u32 us ) -ioDelay: - ldr r1, =0x18000000 @ VRAM -1: - @ Loop doing uncached reads from VRAM to make loop timing more reliable - ldr r2, [r1] - subs r0, #1 - bgt 1b - bx lr diff --git a/loader/source/fatfs/sdmmc/sdmmc.c b/loader/source/fatfs/sdmmc/sdmmc.c deleted file mode 100644 index 5a28b5b..0000000 --- a/loader/source/fatfs/sdmmc/sdmmc.c +++ /dev/null @@ -1,290 +0,0 @@ -// Copyright 2014 Normmatt -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "sdmmc.h" -#include "delay.h" - -static struct mmcdevice handleSD; - -static inline u16 sdmmc_read16(u16 reg) { - return *(vu16*)(SDMMC_BASE + reg); -} - -static inline void sdmmc_write16(u16 reg, u16 val) { - *(vu16*)(SDMMC_BASE + reg) = val; -} - -static inline u32 sdmmc_read32(u16 reg) { - return *(vu32*)(SDMMC_BASE + reg); -} - -static inline void sdmmc_write32(u16 reg, u32 val) { - *(vu32*)(SDMMC_BASE + reg) = val; -} - -static inline void sdmmc_mask16(u16 reg, const u16 clear, const u16 set) { - u16 val = sdmmc_read16(reg); - val &= ~clear; - val |= set; - sdmmc_write16(reg, val); -} - -static inline void setckl(u32 data) -{ - sdmmc_mask16(REG_SDCLKCTL, 0x100, 0); - sdmmc_mask16(REG_SDCLKCTL, 0x2FF, data & 0x2FF); - sdmmc_mask16(REG_SDCLKCTL, 0x0, 0x100); -} - -static u32 __attribute__((noinline)) geterror(struct mmcdevice *ctx) -{ - return (ctx->error << 29) >> 31; -} - -static void __attribute__((noinline)) inittarget(struct mmcdevice *ctx) -{ - sdmmc_mask16(REG_SDPORTSEL,0x3,(u16)ctx->devicenumber); - setckl(ctx->clk); - if (ctx->SDOPT == 0) { - sdmmc_mask16(REG_SDOPT, 0, 0x8000); - } else { - sdmmc_mask16(REG_SDOPT, 0x8000, 0); - } - -} - -static void __attribute__((noinline)) sdmmc_send_command(struct mmcdevice *ctx, u32 cmd, u32 args) -{ - bool getSDRESP = (cmd << 15) >> 31; - u16 flags = (cmd << 15) >> 31; - const bool readdata = cmd & 0x20000; - const bool writedata = cmd & 0x40000; - - if (readdata || writedata) - flags |= TMIO_STAT0_DATAEND; - - ctx->error = 0; - while (sdmmc_read16(REG_SDSTATUS1) & TMIO_STAT1_CMD_BUSY); //mmc working? - sdmmc_write16(REG_SDIRMASK0,0); - sdmmc_write16(REG_SDIRMASK1,0); - sdmmc_write16(REG_SDSTATUS0,0); - sdmmc_write16(REG_SDSTATUS1,0); - sdmmc_mask16(REG_SDDATACTL32,0x1800,0); - - sdmmc_write16(REG_SDCMDARG0,args &0xFFFF); - sdmmc_write16(REG_SDCMDARG1,args >> 16); - sdmmc_write16(REG_SDCMD,cmd &0xFFFF); - - u32 size = ctx->size; - vu8 *dataPtr = ctx->data; - - bool useBuf = ( NULL != dataPtr ); - - u16 status0 = 0; - while(true) { - u16 status1 = sdmmc_read16(REG_SDSTATUS1); - if (status1 & TMIO_STAT1_RXRDY) { - if (readdata && useBuf) { - sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_RXRDY, 0); - //sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_RXRDY); - if (size > 0x1FF) { - for(int i = 0; i<0x200; i+=2) { - u16 data = sdmmc_read16(REG_SDFIFO); - *dataPtr++ = data & 0xFF; - *dataPtr++ = data >> 8; - } - size -= 0x200; - } - } - } - - if (status1 & TMIO_STAT1_TXRQ) { - if (writedata && useBuf) { - sdmmc_mask16(REG_SDSTATUS1, TMIO_STAT1_TXRQ, 0); - //sdmmc_write16(REG_SDSTATUS1,~TMIO_STAT1_TXRQ); - if (size > 0x1FF) { - for (int i = 0; i<0x200; i+=2) { - u16 data = *dataPtr++; - data |= *dataPtr++ << 8; - sdmmc_write16(REG_SDFIFO, data); - } - size -= 0x200; - } - } - } - if (status1 & TMIO_MASK_GW) { - ctx->error |= 4; - break; - } - - if (!(status1 & TMIO_STAT1_CMD_BUSY)) { - status0 = sdmmc_read16(REG_SDSTATUS0); - if (sdmmc_read16(REG_SDSTATUS0) & TMIO_STAT0_CMDRESPEND) - ctx->error |= 0x1; - if (status0 & TMIO_STAT0_DATAEND) - ctx->error |= 0x2; - - if ((status0 & flags) == flags) - break; - } - } - ctx->stat0 = sdmmc_read16(REG_SDSTATUS0); - ctx->stat1 = sdmmc_read16(REG_SDSTATUS1); - sdmmc_write16(REG_SDSTATUS0,0); - sdmmc_write16(REG_SDSTATUS1,0); - - if (getSDRESP != 0) { - ctx->ret[0] = (u32)sdmmc_read16(REG_SDRESP0) | (u32)(sdmmc_read16(REG_SDRESP1) << 16); - ctx->ret[1] = (u32)sdmmc_read16(REG_SDRESP2) | (u32)(sdmmc_read16(REG_SDRESP3) << 16); - ctx->ret[2] = (u32)sdmmc_read16(REG_SDRESP4) | (u32)(sdmmc_read16(REG_SDRESP5) << 16); - ctx->ret[3] = (u32)sdmmc_read16(REG_SDRESP6) | (u32)(sdmmc_read16(REG_SDRESP7) << 16); - } -} - -u32 __attribute__((noinline)) sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out) -{ - if (handleSD.isSDHC == 0) - sector_no <<= 9; - inittarget(&handleSD); - sdmmc_write16(REG_SDSTOP,0x100); - - sdmmc_write16(REG_SDBLKCOUNT,numsectors); - handleSD.data = out; - handleSD.size = numsectors << 9; - sdmmc_send_command(&handleSD,0x33C12,sector_no); - return geterror(&handleSD); -} - -static u32 calcSDSize(u8* csd, int type) -{ - u32 result = 0; - if (type == -1) type = csd[14] >> 6; - switch (type) { - case 0: - { - u32 block_len = csd[9] & 0xf; - block_len = 1u << block_len; - u32 mult = (u32)(csd[4] >> 7) | (u32)((csd[5] & 3) << 1); - mult = 1u << (mult + 2); - result = csd[8] & 3; - result = (result << 8) | csd[7]; - result = (result << 2) | (csd[6] >> 6); - result = (result + 1) * mult * block_len / 512; - } - break; - case 1: - result = csd[7] & 0x3f; - result = (result << 8) | csd[6]; - result = (result << 8) | csd[5]; - result = (result + 1) * 1024; - break; - default: - break; //Do nothing otherwise - } - return result; -} - -static void InitSD() -{ - //SD - handleSD.isSDHC = 0; - handleSD.SDOPT = 0; - handleSD.res = 0; - handleSD.initarg = 0; - handleSD.clk = 0x80; - handleSD.devicenumber = 0; - - *(vu16*)0x10006100 &= 0xF7FFu; //SDDATACTL32 - *(vu16*)0x10006100 &= 0xEFFFu; //SDDATACTL32 - *(vu16*)0x10006100 |= 0x402u; //SDDATACTL32 - *(vu16*)0x100060D8 = (*(vu16*)0x100060D8 & 0xFFDD) | 2; - *(vu16*)0x10006100 &= 0xFFFDu; //SDDATACTL32 - *(vu16*)0x100060D8 &= 0xFFDDu; //SDDATACTL - *(vu16*)0x10006104 = 0; //SDBLKLEN32 - *(vu16*)0x10006108 = 1; //SDBLKCOUNT32 - *(vu16*)0x100060E0 &= 0xFFFEu; //SDRESET - *(vu16*)0x100060E0 |= 1u; //SDRESET - *(vu16*)0x10006020 |= TMIO_MASK_ALL; //SDIR_MASK0 - *(vu16*)0x10006022 |= TMIO_MASK_ALL>>16; //SDIR_MASK1 - *(vu16*)0x100060FC |= 0xDBu; //SDCTL_RESERVED7 - *(vu16*)0x100060FE |= 0xDBu; //SDCTL_RESERVED8 - *(vu16*)0x10006002 &= 0xFFFCu; //SDPORTSEL - *(vu16*)0x10006024 = 0x40; //Nintendo sets this to 0x20 - *(vu16*)0x10006028 = 0x40EB; //Nintendo sets this to 0x40EE - *(vu16*)0x10006002 &= 0xFFFCu; ////SDPORTSEL - *(vu16*)0x10006026 = 512; //SDBLKLEN - *(vu16*)0x10006008 = 0; //SDSTOP - - inittarget(&handleSD); -} - -static int SD_Init() -{ - inittarget(&handleSD); - - ioDelay(1u << 18); //Card needs a little bit of time to be detected, it seems - - //If not inserted - if (!(*((vu16*)0x1000601c) & TMIO_STAT0_SIGSTATE)) return -1; - - sdmmc_send_command(&handleSD,0,0); - sdmmc_send_command(&handleSD,0x10408,0x1AA); - //u32 temp = (handleSD.ret[0] == 0x1AA) << 0x1E; - u32 temp = (handleSD.error & 0x1) << 0x1E; - - //int count = 0; - u32 temp2 = 0; - do { - do { - sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10); - sdmmc_send_command(&handleSD,0x10769,0x00FF8000 | temp); - temp2 = 1; - } while ( !(handleSD.error & 1) ); - - } while((handleSD.ret[0] & 0x80000000) == 0); - - if(!((handleSD.ret[0] >> 30) & 1) || !temp) - temp2 = 0; - - handleSD.isSDHC = temp2; - - sdmmc_send_command(&handleSD,0x10602,0); - if (handleSD.error & 0x4) return -1; - - sdmmc_send_command(&handleSD,0x10403,0); - if (handleSD.error & 0x4) return -1; - handleSD.initarg = handleSD.ret[0] >> 0x10; - - sdmmc_send_command(&handleSD,0x10609,handleSD.initarg << 0x10); - if (handleSD.error & 0x4) return -1; - - handleSD.total_size = calcSDSize((u8*)&handleSD.ret[0],-1); - handleSD.clk = 1; - setckl(1); - - sdmmc_send_command(&handleSD,0x10507,handleSD.initarg << 0x10); - if (handleSD.error & 0x4) return -1; - - sdmmc_send_command(&handleSD,0x10437,handleSD.initarg << 0x10); - if (handleSD.error & 0x4) return -1; - - handleSD.SDOPT = 1; - sdmmc_send_command(&handleSD,0x10446,0x2); - if (handleSD.error & 0x4) return -1; - - sdmmc_send_command(&handleSD,0x1040D,handleSD.initarg << 0x10); - if (handleSD.error & 0x4) return -1; - - sdmmc_send_command(&handleSD,0x10410,0x200); - if (handleSD.error & 0x4) return -1; - handleSD.clk |= 0x200; - - return 0; -} - -void sdmmc_sdcard_init() -{ - InitSD(); - SD_Init(); -} \ No newline at end of file diff --git a/loader/source/fatfs/sdmmc/sdmmc.h b/loader/source/fatfs/sdmmc/sdmmc.h deleted file mode 100644 index a3caf50..0000000 --- a/loader/source/fatfs/sdmmc/sdmmc.h +++ /dev/null @@ -1,122 +0,0 @@ -// Copyright 2014 Normmatt -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include "common.h" - -#define SDMMC_BASE 0x10006000u - -#define REG_SDCMD 0x00 -#define REG_SDPORTSEL 0x02 -#define REG_SDCMDARG 0x04 -#define REG_SDCMDARG0 0x04 -#define REG_SDCMDARG1 0x06 -#define REG_SDSTOP 0x08 -#define REG_SDBLKCOUNT 0x0a - -#define REG_SDRESP0 0x0c -#define REG_SDRESP1 0x0e -#define REG_SDRESP2 0x10 -#define REG_SDRESP3 0x12 -#define REG_SDRESP4 0x14 -#define REG_SDRESP5 0x16 -#define REG_SDRESP6 0x18 -#define REG_SDRESP7 0x1a - -#define REG_SDSTATUS0 0x1c -#define REG_SDSTATUS1 0x1e - -#define REG_SDIRMASK0 0x20 -#define REG_SDIRMASK1 0x22 -#define REG_SDCLKCTL 0x24 - -#define REG_SDBLKLEN 0x26 -#define REG_SDOPT 0x28 -#define REG_SDFIFO 0x30 - -#define REG_SDDATACTL 0xd8 -#define REG_SDRESET 0xe0 -#define REG_SDPROTECTED 0xf6 //bit 0 determines if sd is protected or not? - -#define REG_SDDATACTL32 0x100 -#define REG_SDBLKLEN32 0x104 -#define REG_SDBLKCOUNT32 0x108 -#define REG_SDFIFO32 0x10C - -#define REG_CLK_AND_WAIT_CTL 0x138 -#define REG_RESET_SDIO 0x1e0 - -#define TMIO_STAT0_CMDRESPEND 0x0001 -#define TMIO_STAT0_DATAEND 0x0004 -#define TMIO_STAT0_CARD_REMOVE 0x0008 -#define TMIO_STAT0_CARD_INSERT 0x0010 -#define TMIO_STAT0_SIGSTATE 0x0020 -#define TMIO_STAT0_WRPROTECT 0x0080 -#define TMIO_STAT0_CARD_REMOVE_A 0x0100 -#define TMIO_STAT0_CARD_INSERT_A 0x0200 -#define TMIO_STAT0_SIGSTATE_A 0x0400 -#define TMIO_STAT1_CMD_IDX_ERR 0x0001 -#define TMIO_STAT1_CRCFAIL 0x0002 -#define TMIO_STAT1_STOPBIT_ERR 0x0004 -#define TMIO_STAT1_DATATIMEOUT 0x0008 -#define TMIO_STAT1_RXOVERFLOW 0x0010 -#define TMIO_STAT1_TXUNDERRUN 0x0020 -#define TMIO_STAT1_CMDTIMEOUT 0x0040 -#define TMIO_STAT1_RXRDY 0x0100 -#define TMIO_STAT1_TXRQ 0x0200 -#define TMIO_STAT1_ILL_FUNC 0x2000 -#define TMIO_STAT1_CMD_BUSY 0x4000 -#define TMIO_STAT1_ILL_ACCESS 0x8000 - -//Comes from TWLSDK mongoose.tef DWARF info -#define SDMC_NORMAL 0x00000000 -#define SDMC_ERR_COMMAND 0x00000001 -#define SDMC_ERR_CRC 0x00000002 -#define SDMC_ERR_END 0x00000004 -#define SDMC_ERR_TIMEOUT 0x00000008 -#define SDMC_ERR_FIFO_OVF 0x00000010 -#define SDMC_ERR_FIFO_UDF 0x00000020 -#define SDMC_ERR_WP 0x00000040 -#define SDMC_ERR_ABORT 0x00000080 -#define SDMC_ERR_FPGA_TIMEOUT 0x00000100 -#define SDMC_ERR_PARAM 0x00000200 -#define SDMC_ERR_R1_STATUS 0x00000800 -#define SDMC_ERR_NUM_WR_SECTORS 0x00001000 -#define SDMC_ERR_RESET 0x00002000 -#define SDMC_ERR_ILA 0x00004000 -#define SDMC_ERR_INFO_DETECT 0x00008000 - -#define SDMC_STAT_ERR_UNKNOWN 0x00080000 -#define SDMC_STAT_ERR_CC 0x00100000 -#define SDMC_STAT_ERR_ECC_FAILED 0x00200000 -#define SDMC_STAT_ERR_CRC 0x00800000 -#define SDMC_STAT_ERR_OTHER 0xf9c70008 - -#define TMIO_MASK_ALL 0x837f031d - -#define TMIO_MASK_GW (TMIO_STAT1_ILL_ACCESS | TMIO_STAT1_CMDTIMEOUT | TMIO_STAT1_TXUNDERRUN | TMIO_STAT1_RXOVERFLOW | \ - TMIO_STAT1_DATATIMEOUT | TMIO_STAT1_STOPBIT_ERR | TMIO_STAT1_CRCFAIL | TMIO_STAT1_CMD_IDX_ERR) - -#define TMIO_MASK_READOP (TMIO_STAT1_RXRDY | TMIO_STAT1_DATAEND) -#define TMIO_MASK_WRITEOP (TMIO_STAT1_TXRQ | TMIO_STAT1_DATAEND) - -typedef struct mmcdevice { - vu8* data; - u32 size; - u32 error; - u16 stat0; - u16 stat1; - u32 ret[4]; - u32 initarg; - u32 isSDHC; - u32 clk; - u32 SDOPT; - u32 devicenumber; - u32 total_size; //size in sectors of the device - u32 res; -} mmcdevice; - -void sdmmc_sdcard_init(); -u32 sdmmc_sdcard_readsectors(u32 sector_no, u32 numsectors, vu8 *out); \ No newline at end of file diff --git a/loader/source/main.c b/loader/source/main.c index 875108c..ca42a16 100644 --- a/loader/source/main.c +++ b/loader/source/main.c @@ -1,19 +1,10 @@ -#include "fatfs/ff.h" - -#define PAYLOAD_ADDRESS 0x23F00000 +#include "memory.h" void main(void) { - FATFS fs; + void *payloadAddress = (void *)0x23F00000; - f_mount(&fs, "0:", 1); + memcpy(payloadAddress, (void*)0x24F00000, *(u32 *)0x24FFFB04); - FIL payload; - unsigned int read; - - f_open(&payload, (char *)0x24F00004, FA_READ); - f_read(&payload, (void *)PAYLOAD_ADDRESS, f_size(&payload), &read); - f_close(&payload); - - ((void (*)())PAYLOAD_ADDRESS)(); + ((void (*)())payloadAddress)(); } \ No newline at end of file diff --git a/loader/source/memory.c b/loader/source/memory.c new file mode 100644 index 0000000..4f4c96a --- /dev/null +++ b/loader/source/memory.c @@ -0,0 +1,10 @@ +#include "memory.h" + +void memcpy(void *dest, const void *src, u32 size) +{ + u8 *destc = (u8 *)dest; + const u8 *srcc = (const u8 *)src; + + for(u32 i = 0; i < size; i++) + destc[i] = srcc[i]; +} \ No newline at end of file diff --git a/loader/source/memory.h b/loader/source/memory.h new file mode 100644 index 0000000..466220c --- /dev/null +++ b/loader/source/memory.h @@ -0,0 +1,5 @@ +#pragma once + +#include "types.h" + +void memcpy(void *dest, const void *src, u32 size); \ No newline at end of file diff --git a/loader/source/start.s b/loader/source/start.s index 09841e1..4e1920b 100644 --- a/loader/source/start.s +++ b/loader/source/start.s @@ -4,7 +4,7 @@ _start: b start - .word 0, 0, 0, 0, 0, 0, 0 + .word 0 start: @ Flush caches diff --git a/loader/source/fatfs/sdmmc/common.h b/loader/source/types.h similarity index 85% rename from loader/source/fatfs/sdmmc/common.h rename to loader/source/types.h index f2427e6..d27412b 100644 --- a/loader/source/fatfs/sdmmc/common.h +++ b/loader/source/types.h @@ -1,8 +1,6 @@ #pragma once -#include #include -#include //Common data types typedef uint8_t u8; diff --git a/patches/reboot.s b/patches/reboot.s index d9a84e3..cedb4af 100644 --- a/patches/reboot.s +++ b/patches/reboot.s @@ -54,10 +54,13 @@ payload_maxsize equ 0x20000 ; Maximum size for the payload (200 KB will do). movne r4, #0 bne read_payload ; Go read the real payload. - add r0, sp, #0x3A8 - 0x70 - ldr r0, [r0, #0x27] + ; Copy the last digits of the wanted firm to the 5th byte of the payload + add r2, sp, #0x3A8 - 0x70 + ldr r0, [r2, #0x27] ldr r1, =payload_addr + 4 - str r0, [r1] ; Copy the last digits of the wanted firm to the 5th byte of the payload. + str r0, [r1] + ldr r0, [r2, #0x2B] + str r0, [r1, #4] ; Set kernel state mov r0, #0 diff --git a/screeninit/linker.ld b/screeninit/linker.ld index baf1b2f..9ae0eaa 100755 --- a/screeninit/linker.ld +++ b/screeninit/linker.ld @@ -1,7 +1,7 @@ ENTRY(_start) SECTIONS { - . = 0x24F02000; + . = 0x24FFFC00; .text.start : { *(.text.start) } .text : { *(.text) } .data : { *(.data) } diff --git a/screeninit/source/main.c b/screeninit/source/main.c index 487a624..78cba49 100755 --- a/screeninit/source/main.c +++ b/screeninit/source/main.c @@ -3,7 +3,7 @@ void main(void) { const u32 brightness[4] = {0x5F, 0x4C, 0x39, 0x26}; - u32 brightnessLevel = *(vu32 *)0x24F02008; + u32 brightnessLevel = *(vu32 *)0x24FFFC08; vu32 *const arm11 = (u32 *)0x1FFFFFF8; *(vu32 *)0x10141200 = 0x1007F; diff --git a/source/buttons.h b/source/buttons.h index 9c9b884..fd50eb3 100644 --- a/source/buttons.h +++ b/source/buttons.h @@ -7,6 +7,7 @@ #include "types.h" #define HID_PAD (*(vu32 *)0x10146000 ^ 0xFFF) + #define BUTTON_R1 (1 << 8) #define BUTTON_L1 (1 << 9) #define BUTTON_A 1 @@ -19,6 +20,7 @@ #define BUTTON_LEFT (1 << 5) #define BUTTON_UP (1 << 6) #define BUTTON_DOWN (1 << 7) + #define SAFE_MODE (BUTTON_R1 | BUTTON_L1 | BUTTON_A | BUTTON_UP) #define OVERRIDE_BUTTONS (BUTTON_B ^ 0xFFF) #define SINGLE_PAYLOAD_BUTTONS (BUTTON_LEFT | BUTTON_RIGHT | BUTTON_UP | BUTTON_DOWN | BUTTON_START | BUTTON_X | BUTTON_Y) diff --git a/source/draw.c b/source/draw.c index d91f422..08a834d 100644 --- a/source/draw.c +++ b/source/draw.c @@ -10,9 +10,6 @@ #include "memory.h" #include "font.h" -#define SCREEN_TOP_WIDTH 400 -#define SCREEN_TOP_HEIGHT 240 - static const struct fb { u8 *top_left; u8 *top_right; diff --git a/source/draw.h b/source/draw.h index 53522a6..a8959bf 100644 --- a/source/draw.h +++ b/source/draw.h @@ -8,8 +8,12 @@ #include "types.h" -#define SPACING_Y 10 -#define SPACING_X 8 +#define SCREEN_TOP_WIDTH 400 +#define SCREEN_TOP_HEIGHT 240 + +#define SPACING_Y 10 +#define SPACING_X 8 + #define COLOR_TITLE 0xFF9900 #define COLOR_WHITE 0xFFFFFF #define COLOR_RED 0x0000FF diff --git a/source/emunand.c b/source/emunand.c index 6139389..c6efbb6 100644 --- a/source/emunand.c +++ b/source/emunand.c @@ -15,31 +15,27 @@ void getEmunandSect(u32 *off, u32 *head, u32 *emuNAND) (nandSize > 0x200000 ? 0x400000 : 0x200000); //Check for RedNAND - if(sdmmc_sdcard_readsectors(nandOffset + 1, 1, temp) == 0) + if(!sdmmc_sdcard_readsectors(nandOffset + 1, 1, temp) && + *(u32 *)(temp + 0x100) == NCSD_MAGIC) { - if(*(u32 *)(temp + 0x100) == NCSD_MAGIC) - { - *off = nandOffset + 1; - *head = nandOffset + 1; - } + *off = nandOffset + 1; + *head = nandOffset + 1; + } - //Check for Gateway emuNAND - else if(sdmmc_sdcard_readsectors(nandOffset + nandSize, 1, temp) == 0) - { - if(*(u32 *)(temp + 0x100) == NCSD_MAGIC) - { - *off = nandOffset; - *head = nandOffset + nandSize; - } + //Check for Gateway emuNAND + else if(!sdmmc_sdcard_readsectors(nandOffset + nandSize, 1, temp) && + *(u32 *)(temp + 0x100) == NCSD_MAGIC) + { + *off = nandOffset; + *head = nandOffset + nandSize; + } - /* Fallback to the first emuNAND if there's no second one, - or to SysNAND if there isn't any */ - else - { - (*emuNAND)--; - if(*emuNAND) getEmunandSect(off, head, emuNAND); - } - } + /* Fallback to the first emuNAND if there's no second one, + or to SysNAND if there isn't any */ + else + { + (*emuNAND)--; + if(*emuNAND) getEmunandSect(off, head, emuNAND); } } diff --git a/source/fatfs/ffconf.h b/source/fatfs/ffconf.h index 264f4cd..f40a383 100644 --- a/source/fatfs/ffconf.h +++ b/source/fatfs/ffconf.h @@ -15,7 +15,7 @@ / and optional writing functions as well. */ -#define _FS_MINIMIZE 1 +#define _FS_MINIMIZE 0 /* This option defines minimization level to remove some basic API functions. / / 0: All basic functions are enabled. diff --git a/source/firm.c b/source/firm.c index 4f7128a..ec712e1 100755 --- a/source/firm.c +++ b/source/firm.c @@ -10,9 +10,9 @@ #include "memory.h" #include "emunand.h" #include "crypto.h" +#include "exceptions.h" #include "draw.h" #include "screeninit.h" -#include "exceptions.h" #include "buttons.h" #include "../build/patches.h" @@ -29,26 +29,22 @@ void main(void) u32 bootType, firmType, nandType, - a9lhInstalled, + a9lhMode, updatedSys, needConfig, newConfig, emuHeader; //Detect the console being used - console = (PDN_MPCORE_CFG == 1) ? 0 : 1; + console = PDN_MPCORE_CFG == 7; //Mount filesystems. CTRNAND will be mounted only if/when needed mountFs(); - //Attempt to read the configuration file const char configPath[] = "/luma/config.bin"; - if(!fileRead(&config, configPath, 4)) needConfig = 1; - else - { - config = 0; - needConfig = 2; - } + + //Attempt to read the configuration file + needConfig = !fileRead(&config, configPath, 4) ? 1 : 2; //Determine if this is a firmlaunch boot if(*(vu8 *)0x23F00005) @@ -58,104 +54,114 @@ void main(void) bootType = 1; //'0' = NATIVE_FIRM, '1' = TWL_FIRM, '2' = AGB_FIRM - firmType = *(vu8 *)0x23F00005 - '0'; + firmType = *(vu8 *)0x23F00009 == '3' ? 3 : *(vu8 *)0x23F00005 - '0'; nandType = BOOTCONFIG(0, 3); firmSource = BOOTCONFIG(2, 1); - a9lhInstalled = BOOTCONFIG(3, 1); - updatedSys = (a9lhInstalled && CONFIG(1)) ? 1 : 0; + a9lhMode = BOOTCONFIG(3, 1); + updatedSys = (a9lhMode && CONFIG(1)) ? 1 : 0; } else { - //Only when "Enable developer features" is set - if(CONFIG(5)) - { - detectAndProcessExceptionDumps(); - installArm9Handlers(); - } + //Get pressed buttons + u32 pressed = HID_PAD; + + //If no configuration file exists or SELECT is held, load configuration menu + if(needConfig == 2 || (pressed & BUTTON_SELECT)) + configureCFW(configPath); + + u32 devMode = CONFIG(5); + + if(devMode) detectAndProcessExceptionDumps(); bootType = 0; firmType = 0; //Determine if booting with A9LH - u32 a9lhBoot = !PDN_SPI_CNT ? 1 : 0; - - //Retrieve the last booted FIRM - u32 previousFirm = CFG_BOOTENV; - - //Get pressed buttons - u32 pressed = HID_PAD; + u32 a9lhBoot = !PDN_SPI_CNT; //Determine if A9LH is installed and the user has an updated sysNAND if(a9lhBoot || CONFIG(2)) { - if(pressed == SAFE_MODE) - error("Using Safe Mode would brick you, or remove A9LH!"); - - a9lhInstalled = 1; - - //Check setting for > 9.2 sysNAND + a9lhMode = 1; updatedSys = CONFIG(1); } else { - a9lhInstalled = 0; + a9lhMode = 0; updatedSys = 0; } - newConfig = a9lhInstalled << 3; + newConfig = a9lhMode << 3; - /* If booting with A9LH, it's a MCU reboot and a previous configuration exists, - try to force boot options */ - if(a9lhBoot && previousFirm && needConfig == 1) + if(a9lhBoot) { - //Always force a sysNAND boot when quitting AGB_FIRM - if(previousFirm == 7) - { - nandType = 0; - firmSource = updatedSys ? 0 : BOOTCONFIG(2, 1); - needConfig = 0; + //Retrieve the last booted FIRM + u32 previousFirm = CFG_BOOTENV; - //Flag to prevent multiple boot options-forcing - newConfig |= 1 << 4; - } - /* Else, force the last used boot options unless a payload button or A/L/R are pressed - or the no-forcing flag is set */ - else if(!(pressed & OVERRIDE_BUTTONS) && !BOOTCONFIG(4, 1)) + //If it's a MCU reboot, try to force boot options + if(previousFirm) { - nandType = BOOTCONFIG(0, 3); - firmSource = BOOTCONFIG(2, 1); - needConfig = 0; + //Always force a sysNAND boot when quitting AGB_FIRM + if(previousFirm == 7) + { + nandType = 0; + firmSource = updatedSys ? 0 : BOOTCONFIG(2, 1); + needConfig--; + + //Flag to prevent multiple boot options-forcing + newConfig |= 1 << 4; + } + + /* Else, force the last used boot options unless a payload button or A/L/R are pressed + or the no-forcing flag is set */ + else if(!(pressed & OVERRIDE_BUTTONS) && !BOOTCONFIG(4, 1)) + { + nandType = BOOTCONFIG(0, 3); + firmSource = BOOTCONFIG(2, 1); + needConfig--; + } + } + + //If the SAFE MODE combo is held, force a sysNAND boot + else if(pressed == SAFE_MODE) + { + a9lhMode++; + nandType = 0; + firmSource = 0; + needConfig--; } } //Boot options aren't being forced if(needConfig) { - /* If L and R/Select or one of the single payload buttons are pressed and, if not using A9LH, - the Safe Mode combo is not pressed, chainload an external payload */ - if(((pressed & SINGLE_PAYLOAD_BUTTONS) || ((pressed & BUTTON_L1) && (pressed & L_PAYLOAD_BUTTONS))) - && pressed != SAFE_MODE) - loadPayload(pressed); - - //If no configuration file exists or SELECT is held, load configuration menu - if(needConfig == 2 || (pressed & BUTTON_SELECT)) - configureCFW(configPath); + /* If L and R/A/Select or one of the single payload buttons are pressed, + chainload an external payload */ + if(devMode || (pressed & SINGLE_PAYLOAD_BUTTONS) || ((pressed & BUTTON_L1) && (pressed & L_PAYLOAD_BUTTONS))) + loadPayload(pressed, devMode); //If screens are inited or the corresponding option is set, load splash screen if(PDN_GPU_CNT != 1 || CONFIG(8)) loadSplash(); - u32 autoBootSys = CONFIG(0); + //If R is pressed, boot the non-updated NAND with the FIRM of the opposite one + if(pressed & BUTTON_R1) + { + nandType = updatedSys; + firmSource = !nandType; + } - //Determine if we need to boot an emuNAND or sysNAND - nandType = (pressed & BUTTON_L1) ? autoBootSys : ((pressed & BUTTON_R1) ? updatedSys : !autoBootSys); + /* Else, boot the NAND the user set to autoboot or the opposite one, depending on L, + with their own FIRM */ + else + { + nandType = CONFIG(0) != !(pressed & BUTTON_L1); + firmSource = nandType; + } /* If we're booting emuNAND the second emuNAND is set as default and B isn't pressed, or vice-versa, boot the second emuNAND */ - if(nandType && ((!(pressed & BUTTON_B)) == CONFIG(3))) nandType++; - - //Determine the NAND we should take the FIRM from - firmSource = (pressed & BUTTON_R1) ? !nandType : (nandType != 0); + if(nandType && (CONFIG(3) == !(pressed & BUTTON_B))) nandType++; } } @@ -187,8 +193,18 @@ void main(void) loadFirm(firmType, !firmType && updatedSys == !firmSource); - if(!firmType) patchNativeFirm(nandType, emuHeader, a9lhInstalled); - else patchTwlAgbFirm(firmType); + switch(firmType) + { + case 0: + patchNativeFirm(nandType, emuHeader, a9lhMode); + break; + case 3: + patchSafeFirm(); + break; + default: + patchLegacyFirm(firmType); + break; + } launchFirm(bootType); } @@ -205,16 +221,17 @@ static inline void loadFirm(u32 firmType, u32 externalFirm) doesn't match the console, load FIRM from CTRNAND */ if(!externalFirmLoaded) { - const char *firmFolders[3][2] = {{ "00000002", "20000002" }, + const char *firmFolders[4][2] = {{ "00000002", "20000002" }, { "00000102", "20000102" }, - { "00000202", "20000202" }}; + { "00000202", "20000202" }, + { "00000003", "20000003" }}; firmRead(firm, firmFolders[firmType][console]); decryptExeFs((u8 *)firm); } } -static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhInstalled) +static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhMode) { u8 *arm9Section = (u8 *)firm + section[2].offset; @@ -236,7 +253,7 @@ static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhInstalle nativeFirmType = (memcmp(section[2].hash, firm90Hash, 0x10) == 0) ? 0 : 1; } - if(nativeFirmType || nandType) + if(nativeFirmType || nandType || a9lhMode == 2) { //Find the Process9 NCCH location u8 *proc9Offset = getProc9(arm9Section, section[2].size); @@ -245,16 +262,11 @@ static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhInstalle if(nandType) patchEmuNAND(arm9Section, proc9Offset, emuHeader); //Apply FIRM reboot patches, not on 9.0 FIRM as it breaks firmlaunchhax - if(nativeFirmType) patchReboots(arm9Section, proc9Offset); + if(nativeFirmType || a9lhMode == 2) patchReboots(arm9Section, proc9Offset); } //Apply FIRM0/1 writes patches on sysNAND to protect A9LH - if(a9lhInstalled && !nandType) - { - u16 *writeOffset = getFirmWrite(arm9Section, section[2].size); - *writeOffset = writeBlock[0]; - *(writeOffset + 1) = writeBlock[1]; - } + if(a9lhMode && !nandType) patchFirmWrites(arm9Section, 1); //Apply signature checks patches u32 sigOffset, @@ -348,7 +360,7 @@ static inline void injectLoader(void) } } -static inline void patchTwlAgbFirm(u32 firmType) +static inline void patchLegacyFirm(u32 firmType) { //On N3DS, decrypt ARM9Bin and patch ARM9 entrypoint to skip arm9loader if(console) @@ -396,6 +408,37 @@ static inline void patchTwlAgbFirm(u32 firmType) } } +static inline void patchSafeFirm(void) +{ + u8 *arm9Section = (u8 *)firm + section[2].offset; + + if(console) + { + //Decrypt ARM9Bin and patch ARM9 entrypoint to skip arm9loader + arm9Loader(arm9Section, 0); + firm->arm9Entry = (u8 *)0x801B01C; + } + + //Apply FIRM0/1 writes patches to protect A9LH + patchFirmWrites(arm9Section, console); +} + +static void patchFirmWrites(u8 *arm9Section, u32 mode) +{ + if(mode) + { + u16 *writeOffset = getFirmWrite(arm9Section, section[2].size); + *writeOffset = writeBlock[0]; + *(writeOffset + 1) = writeBlock[1]; + } + else + { + u16 *writeOffset = getFirmWriteSafe(arm9Section, section[2].size); + *writeOffset = writeBlockSafe[0]; + *(writeOffset + 1) = writeBlockSafe[1]; + } +} + static inline void launchFirm(u32 bootType) { //Copy FIRM sections to respective memory locations diff --git a/source/firm.h b/source/firm.h index 9d8b7b9..3786460 100644 --- a/source/firm.h +++ b/source/firm.h @@ -37,9 +37,11 @@ typedef struct patchData { } patchData; static inline void loadFirm(u32 firmType, u32 externalFirm); -static inline void patchNativeFirm(u32 emuNAND, u32 emuHeader, u32 a9lhSetup); +static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhMode); static inline void patchEmuNAND(u8 *arm9Section, u8 *proc9Offset, u32 emuHeader); static inline void patchReboots(u8 *arm9Section, u8 *proc9Offset); static inline void injectLoader(void); -static inline void patchTwlAgbFirm(u32 firmType); +static inline void patchLegacyFirm(u32 firmType); +static inline void patchSafeFirm(void); +static void patchFirmWrites(u8 *arm9Section, u32 mode); static inline void launchFirm(u32 bootType); \ No newline at end of file diff --git a/source/fs.c b/source/fs.c index 841349c..2226d09 100644 --- a/source/fs.c +++ b/source/fs.c @@ -5,13 +5,11 @@ #include "fs.h" #include "memory.h" #include "screeninit.h" +#include "exceptions.h" #include "fatfs/ff.h" #include "buttons.h" #include "../build/loader.h" -#define PAYLOAD_ADDRESS 0x24F00000 -#define PATTERN(a) a "_*.bin" - static FATFS sdFs, nandFs; @@ -58,7 +56,7 @@ u32 fileWrite(const void *buffer, const char *path, u32 size) return result; } -void loadPayload(u32 pressed) +void loadPayload(u32 pressed, u32 devMode) { const char *pattern; @@ -71,11 +69,12 @@ void loadPayload(u32 pressed) else if(pressed & BUTTON_R1) pattern = PATTERN("r"); else if(pressed & BUTTON_A) pattern = PATTERN("a"); else if(pressed & BUTTON_START) pattern = PATTERN("start"); - else pattern = PATTERN("select"); + else if(pressed & BUTTON_SELECT) pattern = PATTERN("select"); + else pattern = "nlc.bin"; DIR dir; FILINFO info; - char path[] = "/luma/payloads"; + char path[28] = "/luma/payloads"; FRESULT result = f_findfirst(&dir, &info, path, pattern); @@ -83,14 +82,31 @@ void loadPayload(u32 pressed) if(result == FR_OK && info.fname[0]) { + //Only when "Enable developer features" is set + if(devMode) installArm9Handlers(); + initScreens(); - memcpy((void *)PAYLOAD_ADDRESS, loader, loader_size); - path[sizeof(path) - 1] = '/'; - memcpy((void *)(PAYLOAD_ADDRESS + 4), path, sizeof(path)); - memcpy((void *)(PAYLOAD_ADDRESS + 4 + sizeof(path)), info.altname, 13); + u32 *const loaderAddress = (u32 *)0x24FFFB00; - ((void (*)())PAYLOAD_ADDRESS)(); + memcpy(loaderAddress, loader, loader_size); + + path[14] = '/'; + memcpy(&path[15], info.altname, 13); + + FIL payload; + unsigned int read; + + f_open(&payload, path, FA_READ); + u32 size = f_size(&payload); + f_read(&payload, (void *)0x24F00000, size, &read); + f_close(&payload); + + if(pattern[0] == 'n') f_unlink(path); + + loaderAddress[1] = size; + + ((void (*)())loaderAddress)(); } } diff --git a/source/fs.h b/source/fs.h index 65073f2..5138418 100644 --- a/source/fs.h +++ b/source/fs.h @@ -6,9 +6,11 @@ #include "types.h" +#define PATTERN(a) a "_*.bin" + u32 mountFs(void); u32 fileRead(void *dest, const char *path, u32 size); u32 fileWrite(const void *buffer, const char *path, u32 size); void findDumpFile(const char *path, char *fileName); -void loadPayload(u32 pressed); +void loadPayload(u32 pressed, u32 devMode); void firmRead(void *dest, const char *firmFolder); \ No newline at end of file diff --git a/source/patches.c b/source/patches.c index 109e03b..5252543 100644 --- a/source/patches.c +++ b/source/patches.c @@ -13,7 +13,8 @@ const u32 mpuPatch[3] = {0x00360003, 0x00200603, 0x001C0603}; const u16 nandRedir[2] = {0x4C00, 0x47A0}, sigPatch[2] = {0x2000, 0x4770}, - writeBlock[2] = {0x2000, 0x46C0}; + writeBlock[2] = {0x2000, 0x46C0}, + writeBlockSafe[2] = {0x2400, 0xE01D}; const u8 unitInfoPatch = 0xE3; @@ -65,6 +66,14 @@ u16 *getFirmWrite(u8 *pos, u32 size) return (u16 *)memsearch(off - 0x100, pattern, 0x100, 4); } +u16 *getFirmWriteSafe(u8 *pos, u32 size) +{ + //Look for FIRM writing code + const u8 pattern[] = {0x04, 0x1E, 0x1D, 0xDB}; + + return (u16 *)memsearch(pos, pattern, size, 4); +} + u8 *getUnitInfoValueSet(u8 *pos, u32 size) { //Look for UNITINFO value being set diff --git a/source/patches.h b/source/patches.h index 1e2f525..6c896e2 100644 --- a/source/patches.h +++ b/source/patches.h @@ -12,8 +12,9 @@ const u32 mpuPatch[3]; const u16 nandRedir[2], sigPatch[2], - writeBlock[2]; -const u8 unitInfoPatch; + writeBlock[2], + writeBlockSafe[2]; +const u8 unitInfoPatch; /************************************************** * Functions @@ -23,5 +24,6 @@ void getSigChecks(u8 *pos, u32 size, u32 *off, u32 *off2); void *getReboot(u8 *pos, u32 size); u32 getfOpen(u8 *proc9Offset, void *rebootOffset); u16 *getFirmWrite(u8 *pos, u32 size); +u16 *getFirmWriteSafe(u8 *pos, u32 size); u8 *getUnitInfoValueSet(u8 *pos, u32 size); void *getLoader(u8 *pos, u32 size, u32 *loaderSize); \ No newline at end of file diff --git a/source/screeninit.c b/source/screeninit.c index 11e6e11..950e6fc 100644 --- a/source/screeninit.c +++ b/source/screeninit.c @@ -12,8 +12,6 @@ #include "i2c.h" #include "../build/screeninit.h" -#define SCREENINIT_ADDRESS 0x24F02000 - vu32 *arm11Entry = (u32 *)0x1FFFFFF8; void deinitScreens(void) @@ -49,12 +47,14 @@ void initScreens(void) { if(PDN_GPU_CNT == 1) { - memcpy((void *)SCREENINIT_ADDRESS, screeninit, screeninit_size); + u32 *const screenInitAddress = (u32 *)0x24FFFC00; + + memcpy(screenInitAddress, screeninit, screeninit_size); //Write brightness level for the stub to pick up - *(vu32 *)(SCREENINIT_ADDRESS + 8) = MULTICONFIG(0); + screenInitAddress[2] = MULTICONFIG(0); - *arm11Entry = SCREENINIT_ADDRESS; + *arm11Entry = (u32)screenInitAddress; while(*arm11Entry); //Turn on backlight diff --git a/source/screeninit.h b/source/screeninit.h index f0aa323..654d15b 100644 --- a/source/screeninit.h +++ b/source/screeninit.h @@ -9,7 +9,7 @@ #include "types.h" -#define PDN_GPU_CNT (*(vu8 *)0x10141200) +#define PDN_GPU_CNT (*(vu8 *)0x10141200) void deinitScreens(void); void initScreens(void); \ No newline at end of file diff --git a/source/start.s b/source/start.s index df72b5a..44759a4 100644 --- a/source/start.s +++ b/source/start.s @@ -4,7 +4,7 @@ _start: b start - .word 0 + .word 0, 0 start: @ Change the stack pointer diff --git a/source/utils.c b/source/utils.c index 48aa308..7721674 100644 --- a/source/utils.c +++ b/source/utils.c @@ -3,9 +3,9 @@ */ #include "utils.h" +#include "i2c.h" #include "screeninit.h" #include "draw.h" -#include "i2c.h" #include "buttons.h" u32 waitInput(void) @@ -35,12 +35,6 @@ u32 waitInput(void) return key; } -void mcuShutDown(void) -{ - i2cWriteRegister(I2C_DEV_MCU, 0x20, 1); - while(1); -} - void mcuReboot(void) { i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2); @@ -57,5 +51,6 @@ void error(const char *message) waitInput(); - mcuShutDown(); + i2cWriteRegister(I2C_DEV_MCU, 0x20, 1); + while(1); } \ No newline at end of file diff --git a/source/utils.h b/source/utils.h index f5691d7..55f9e4c 100644 --- a/source/utils.h +++ b/source/utils.h @@ -7,6 +7,5 @@ #include "types.h" u32 waitInput(void); -void mcuShutDown(void); void mcuReboot(void); void error(const char *message); \ No newline at end of file