LowLevel/Luma3DS-3GX
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Add more checks, make the emuNAND SD check only occur when emuNAND is being booted

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This commit is contained in:
Aurora Wright 2017-08-28 14:46:18 +02:00
parent ecd27f7eaa
commit bc1aa15dd7
3 changed files with 12 additions and 18 deletions
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12
source/emunand.c
View File

@ -28,6 +28,7 @@
* Code for locating the SDMMC struct by Normmatt
*/
#include "emunand.h"
#include "memory.h"
#include "utils.h"
@ -35,7 +36,7 @@
#include "../build/bundled.h"
u32 emuOffset,
emuHeader = 0;
emuHeader;
void locateEmuNand(FirmwareSource *nandType)
{
@ -77,6 +78,7 @@ void locateEmuNand(FirmwareSource *nandType)
{
emuOffset = nandOffset + 1;
emuHeader = nandOffset + 1;
return;
}
//Check for Gateway EmuNAND
@ -84,14 +86,6 @@ void locateEmuNand(FirmwareSource *nandType)
{
emuOffset = nandOffset;
emuHeader = nandOffset + nandSize;
}
if(emuHeader != 0)
{
//Make sure the SD card isn't write protected
if((*(vu16 *)(SDMMC_BASE + REG_SDSTATUS0) & TMIO_STAT0_WRPROTECT) == 0)
error("The SD card is locked, EmuNAND can not be used.\nPlease turn the write protection switch off.");
return;
}
}

15
source/fs.c
View File

@ -66,6 +66,7 @@ bool mountFs(bool isSd, bool switchToCtrNand)
u32 fileRead(void *dest, const char *path, u32 maxSize)
{
FIL file;
FRESULT result = FR_OK;
u32 ret = 0;
if(f_open(&file, path, FA_READ) != FR_OK) return ret;
@ -73,10 +74,10 @@ u32 fileRead(void *dest, const char *path, u32 maxSize)
u32 size = f_size(&file);
if(dest == NULL) ret = size;
else if(size <= maxSize)
f_read(&file, dest, size, (unsigned int *)&ret);
f_close(&file);
result = f_read(&file, dest, size, (unsigned int *)&ret);
result |= f_close(&file);
return ret;
return result == FR_OK ? ret : 0;
}
u32 getFileSize(const char *path)
@ -181,9 +182,7 @@ bool payloadMenu(char *path)
payloadNum++;
}
f_closedir(&dir);
if(!payloadNum) return false;
if(f_closedir(&dir) != FR_OK || !payloadNum) return false;
u32 pressed = 0,
selectedPayload = 0;
@ -281,9 +280,7 @@ u32 firmRead(void *dest, u32 firmType)
if(tempVersion < firmVersion) firmVersion = tempVersion;
}
f_closedir(&dir);
if(firmVersion == 0xFFFFFFFF) goto exit;
if(f_closedir(&dir) != FR_OK || firmVersion == 0xFFFFFFFF) goto exit;
//Complete the string with the .app name
sprintf(path, "%s/%08x.app", folderPath, firmVersion);

3
source/main.c
View File

@ -37,6 +37,7 @@
#include "crypto.h"
#include "memory.h"
#include "screen.h"
#include "fatfs/sdmmc/sdmmc.h"
extern CfgData configData;
extern ConfigurationStatus needConfig;
@ -306,6 +307,8 @@ boot:
{
locateEmuNand(&nandType);
if(nandType == FIRMWARE_SYSNAND) firmSource = FIRMWARE_SYSNAND;
else if((*(vu16 *)(SDMMC_BASE + REG_SDSTATUS0) & TMIO_STAT0_WRPROTECT) == 0) //Make sure the SD card isn't write protected
error("The SD card is locked, EmuNAND can not be used.\nPlease turn the write protection switch off.");
}
//Same if we're using EmuNAND as the FIRM source