Move clearScreens calls and screen-init checks

Less SD accesses, more noob-proof

Makefile

@@ -12,7 +12,7 @@ ifneq ($(PYTHON_VER_MAJOR), 3)
 	PYTHON3 := py -3
 endif
 
-name := ReiNand
+name := AuReiNand
 
 dir_source := source
 dir_data := data
@@ -26,7 +26,7 @@ dir_loader := loader
 
 ASFLAGS := -mlittle-endian -mcpu=arm946e-s -march=armv5te
 CFLAGS := -Wall -Wextra -MMD -MP -marm $(ASFLAGS) -fno-builtin -fshort-wchar -std=c11 -Wno-main -O2 -ffast-math
-FLAGS := name=$(name).dat dir_out=$(abspath $(dir_out)) ICON=$(abspath icon.png) --no-print-directory
+FLAGS := name=$(name).dat dir_out=$(abspath $(dir_out)) ICON=$(abspath icon.png) APP_DESCRIPTION="Noob-friendly 3DS CFW." APP_AUTHOR="Reisyukaku/Aurora Wright" --no-print-directory
 
 objects_cfw = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
 			  $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
@@ -34,7 +34,7 @@ objects_cfw = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
 
 
 .PHONY: all
-all: launcher a9lh emunand reboot ninjhax loader
+all: launcher a9lh ninjhax
 
 .PHONY: launcher
 launcher: $(dir_out)/$(name).dat 
@@ -42,54 +42,43 @@ launcher: $(dir_out)/$(name).dat
 .PHONY: a9lh
 a9lh: $(dir_out)/arm9loaderhax.bin
 
-.PHONY: emunand
-emunand: $(dir_out)/rei/emunand/emunand.bin
-
-.PHONY: reboot
-reboot: $(dir_out)/rei/reboot/reboot.bin
-
 .PHONY: ninjhax
 ninjhax: $(dir_out)/3ds/$(name)
 
-.PHONY: loader
-loader: $(dir_out)/rei/loader.bin
-
 .PHONY: clean
 clean:
 	@$(MAKE) $(FLAGS) -C $(dir_mset) clean
 	@$(MAKE) $(FLAGS) -C $(dir_ninjhax) clean
 	@rm -rf $(dir_out) $(dir_build)
-	@cd $(dir_loader) && make clean
+	@$(MAKE) -C $(dir_loader) clean
 
-$(dir_out)/$(name).dat: $(dir_build)/main.bin $(dir_out)/rei
+$(dir_out)/$(name).dat: $(dir_build)/main.bin $(dir_out)
 	@$(MAKE) $(FLAGS) -C $(dir_mset) launcher
 	dd if=$(dir_build)/main.bin of=$@ bs=512 seek=144
 
-$(dir_out)/arm9loaderhax.bin: $(dir_build)/main.bin $(dir_out)/rei
+$(dir_out)/arm9loaderhax.bin: $(dir_build)/main.bin $(dir_out)
 	@cp -av $(dir_build)/main.bin $@
 
-$(dir_out)/3ds/$(name):
+$(dir_out)/3ds/$(name): $(dir_out)
 	@mkdir -p "$(dir_out)/3ds/$(name)"
 	@$(MAKE) $(FLAGS) -C $(dir_ninjhax)
 	@mv $(dir_out)/$(name).3dsx $@
 	@mv $(dir_out)/$(name).smdh $@
 
-$(dir_out)/rei:
+$(dir_out):
-	@mkdir -p "$(dir_out)/rei"
+	@mkdir -p "$(dir_out)/aurei/payloads"
 
-$(dir_out)/rei/emunand/emunand.bin: $(dir_emu)/emuCode.s
+$(dir_build)/patches.h: $(dir_emu)/emuCode.s $(dir_reboot)/rebootCode.s
+	@mkdir -p "$(dir_build)"
 	@armips $<
-	@mkdir -p "$(dir_out)/rei/emunand"
+	@mv emunand.bin $(dir_build)
-	@mv emunand.bin $@
+	@armips $(word 2,$^)
+	@mv reboot.bin $(dir_build)
+	@bin2c -o  $@ -n emunand $(dir_build)/emunand.bin -n reboot $(dir_build)/reboot.bin
 
-$(dir_out)/rei/reboot/reboot.bin: $(dir_reboot)/rebootCode.s
+$(dir_build)/loader.h: $(dir_loader)/Makefile
-	@armips $<
+	@$(MAKE) -C $(dir_loader)
-	@mkdir -p "$(dir_out)/rei/reboot"
+	@bin2c -o  $@ -n loader $(dir_loader)/loader.bin
-	@mv reboot.bin $@
-
-$(dir_out)/rei/loader.bin: $(dir_out)/rei $(dir_loader)/Makefile
-	@cd $(dir_loader) && make
-	@mv $(dir_loader)/loader.bin $@
 
 $(dir_build)/main.bin: $(dir_build)/main.elf
 	$(OC) -S -O binary $< $@
@@ -98,7 +87,7 @@ $(dir_build)/main.elf: $(objects_cfw)
 	# FatFs requires libgcc for __aeabi_uidiv
 	$(CC) -nostartfiles $(LDFLAGS) -T linker.ld $(OUTPUT_OPTION) $^
 
-$(dir_build)/%.o: $(dir_source)/%.c
+$(dir_build)/%.o: $(dir_source)/%.c $(dir_build)/patches.h $(dir_build)/loader.h
 	@mkdir -p "$(@D)"
 	$(COMPILE.c) $(OUTPUT_OPTION) $<
 

emunand/emuCode.s

@@ -1,9 +1,6 @@
-.nds
+.arm.little
 
-sdmmc equ 0x434D4453	;dummy
+.create "emunand.bin", 0
-
-.create "emunand.bin", 0x0801A5C0
-.org 0x0801A5C0
 .arm
 nand_sd:
     ; Original code that still needs to be executed.
@@ -15,7 +12,7 @@ nand_sd:
 
     ; If we're already trying to access the SD, return.
     ldr r2, [r0, #4]
-    ldr r1, =sdmmc
+    ldr r1, [sdmmc]
     cmp r2, r1
     beq nand_sd_ret
 
@@ -23,12 +20,10 @@ nand_sd:
     ldr r2, [r0, #8]  ; Get sector to read
     cmp r2, #0  ; For GW compatibility, see if we're trying to read the ncsd header (sector 0)
 
-    ldr r3, =nand_offset
+    ldr r3, [nand_offset]
-    ldr r3, [r3]
     add r2, r3  ; Add the offset to the NAND in the SD.
 
-    ldreq r3, =ncsd_header_offset
+    ldreq r3, [ncsd_header_offset]
-    ldreq r3, [r3]
     addeq r2, r3  ; If we're reading the ncsd header, add the offset of that sector.
 
     str r2, [r0, #8]  ; Store sector to read
@@ -45,6 +40,7 @@ nand_sd:
         add r0, #4
         bx r0
 .pool
+sdmmc:	                .ascii "SDMC"
 nand_offset:		.ascii "NAND"       ; for rednand this should be 1
 ncsd_header_offset:	.ascii "NCSD"       ; depends on nand manufacturer + emunand type (GW/RED)
 .close

loader/Makefile

@@ -32,7 +32,7 @@ INCLUDES	:=	include source/fatfs  source/fatfs/sdmmc
 ARCH	:=	-mthumb -mthumb-interwork
 
 CFLAGS	:=	-g -Wall -O2\
-			-march=armv5te -mtune=arm946e-s -fomit-frame-pointer\
+			-march=armv5te -mtune=arm946e-s\
 			-ffast-math -Wno-main -std=c99\
 			$(ARCH)
 

loader/source/fatfs/diskio.c

@@ -69,7 +69,7 @@ DRESULT disk_read (
 DRESULT disk_write (
 	__attribute__((unused))
 	BYTE pdrv,			/* Physical drive nmuber to identify the drive */
-	const BYTE *buff,	/* Data to be written */
+	const BYTE *buff,       	/* Data to be written */
 	DWORD sector,		/* Sector address in LBA */
 	UINT count			/* Number of sectors to write */
 )

loader/source/fatfs/ff.c

@@ -811,7 +811,7 @@ FRESULT sync_fs (	/* FR_OK: successful, FR_DISK_ERR: failed */
 /*-----------------------------------------------------------------------*/
 /* Hidden API for hacks and disk tools */
 
-DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
+static DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
 	FATFS* fs,		/* File system object */
 	DWORD clst		/* Cluster# to be converted */
 )
@@ -829,7 +829,7 @@ DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
 /*-----------------------------------------------------------------------*/
 /* Hidden API for hacks and disk tools */
 
-DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */
+static DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */
 	FATFS* fs,	/* File system object */
 	DWORD clst	/* FAT index number (cluster number) to get the value */
 )
@@ -884,7 +884,7 @@ DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluste
 /* Hidden API for hacks and disk tools */
 
 #if !_FS_READONLY
-FRESULT put_fat (
+static FRESULT put_fat (
 	FATFS* fs,	/* File system object */
 	DWORD clst,	/* FAT index number (cluster number) to be changed */
 	DWORD val	/* New value to be set to the entry */

loader/source/fatfs/sdmmc/sdmmc.c

@@ -2,8 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common.h"
-
 #include "sdmmc.h"
 #include "delay.h"
 

loader/source/i2c.h

@@ -1,35 +0,0 @@
-#pragma once
-
-#include "common.h"
-
-#define I2C1_REG_OFF 0x10161000
-#define I2C2_REG_OFF 0x10144000
-#define I2C3_REG_OFF 0x10148000
-
-#define I2C_REG_DATA  0
-#define I2C_REG_CNT   1
-#define I2C_REG_CNTEX 2
-#define I2C_REG_SCL   4
-
-#define I2C_DEV_MCU  3
-#define I2C_DEV_GYRO 10
-#define I2C_DEV_IR   13
-
-u8 i2cGetDeviceBusId(u8 device_id);
-u8 i2cGetDeviceRegAddr(u8 device_id);
-
-vu8* i2cGetDataReg(u8 bus_id);
-vu8* i2cGetCntReg(u8 bus_id);
-
-void i2cWaitBusy(u8 bus_id);
-bool i2cGetResult(u8 bus_id);
-u8 i2cGetData(u8 bus_id);
-void i2cStop(u8 bus_id, u8 arg0);
-
-bool i2cSelectDevice(u8 bus_id, u8 dev_reg);
-bool i2cSelectRegister(u8 bus_id, u8 reg);
-
-u8 i2cReadRegister(u8 dev_id, u8 reg);
-bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data);
-
-bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_size);

loader/source/main.c

@@ -1,11 +1,10 @@
 #include "types.h"
 #include "buttons.h"
-#include "screeninit.h"
 #include "fatfs/ff.h"
 
 #define PAYLOAD_ADDRESS	0x23F00000
 
-u32 loadPayload(const char *path){
+static u32 loadPayload(const char *path){
     FIL payload;
     unsigned int br;
     if(f_open(&payload, path, FA_READ) == FR_OK)
@@ -19,24 +18,22 @@ u32 loadPayload(const char *path){
     return 0;
 }
 
-void main(){
+void main(void){
     FATFS fs;
     f_mount(&fs, "0:", 1);
 
     //Get pressed buttons
     u16 pressed = HID_PAD;
 
-    if(((pressed & BUTTON_B) && loadPayload("/rei/payloads/b.bin")) ||
+    if(((pressed & BUTTON_B) && loadPayload("/aurei/payloads/b.bin")) ||
-       ((pressed & BUTTON_X) && loadPayload("/rei/payloads/x.bin")) ||
+       ((pressed & BUTTON_X) && loadPayload("/aurei/payloads/x.bin")) ||
-       ((pressed & BUTTON_Y) && loadPayload("/rei/payloads/y.bin")) ||
+       ((pressed & BUTTON_Y) && loadPayload("/aurei/payloads/y.bin")) ||
-       ((pressed & BUTTON_SELECT) && loadPayload("/rei/payloads/select.bin")) ||
+       ((pressed & BUTTON_SELECT) && loadPayload("/aurei/payloads/select.bin")) ||
-       ((pressed & BUTTON_START) && loadPayload("/rei/payloads/start.bin")) ||
+       ((pressed & BUTTON_START) && loadPayload("/aurei/payloads/start.bin")) ||
-       ((pressed & BUTTON_RIGHT) && loadPayload("/rei/payloads/right.bin")) ||
+       ((pressed & BUTTON_RIGHT) && loadPayload("/aurei/payloads/right.bin")) ||
-       ((pressed & BUTTON_LEFT) && loadPayload("/rei/payloads/left.bin")) ||
+       ((pressed & BUTTON_LEFT) && loadPayload("/aurei/payloads/left.bin")) ||
-       ((pressed & BUTTON_UP) && loadPayload("/rei/payloads/up.bin")) ||
+       ((pressed & BUTTON_UP) && loadPayload("/aurei/payloads/up.bin")) ||
-       ((pressed & BUTTON_DOWN) && loadPayload("/rei/payloads/down.bin")) ||
+       ((pressed & BUTTON_DOWN) && loadPayload("/aurei/payloads/down.bin")) ||
-       loadPayload("/rei/payloads/default.bin")){
+       loadPayload("/aurei/payloads/default.bin"))
-        initLCD();
         ((void (*)())PAYLOAD_ADDRESS)();
-    }
 }

loader/source/screeninit.h

@@ -1,5 +0,0 @@
-#pragma once
-
-#include "types.h"
-
-void initLCD();

loader/source/start.s

@@ -2,6 +2,9 @@
 .align 4
 .global _start
 _start:
+    @ Fix payloads like Decrypt9
+    mov r0, #0x5
+    mcr p15, 0, r0, c3, c0, 0  @ data bufferable
 
     @ Flush caches
     mov r0, #0

reboot/rebootCode.s

@@ -1,12 +1,11 @@
-.nds
+.arm.little
-.create "reboot.bin", 0
 
 byteswritten equ 0x2000E000
-externalFirm equ 0x2000A000
 kernelCode equ 0x080F0000
 buffer equ 0x24000000
 fileOpen equ 0x4E45504F ;dummy
 
+.create "reboot.bin", 0
 .arm
 //Code jumps here right after the sprintf call
 process9Reboot:
@@ -34,18 +33,16 @@ process9Reboot:
 		ldreq r1, =(FileName - OpenFirm - 12)
 		addeq r1, pc
 		addne r1, sp, #0x3A8-0x70
-		ldr r0, =externalFirm
 		moveq r2, #1
 		movne r2, #0
-		str r2, [r0]
+		str r2, [externalFirm]
 		mov r2, #1
 		add r0, r7, #8
 		ldr r6, =fileOpen
 		blx r6
 	
     SeekFirm:
-		ldr r0, =externalFirm
+		ldr r0, [externalFirm]
-		ldr r0, [r0]
 		cmp r0, #1
 		moveq r0, r7
         ldreq r1, =byteswritten
@@ -99,9 +96,12 @@ Memcpy:
 		BX      LR
 
 FileName:
-	.dcw "sdmc:/rei/patched_firmware_sys.bin"
+	.dcw "sdmc:/aurei/patched_firmware_sys.bin"
 	.word 0x0
 
+externalFirm:
+	.word 0x2000A000
+
 .pool
 
 // Kernel Code

source/buttons.h

@@ -0,0 +1,21 @@
+/*
+*   buttons.h
+*       by Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
+*/
+
+#pragma once
+
+#include "types.h"
+
+#define HID_PAD       ((~*(vu16 *)0x10146000) & 0xFFF)
+#define BUTTON_R1     (1 << 8)
+#define BUTTON_L1     (1 << 9)
+#define BUTTON_L1R1   (BUTTON_R1 | BUTTON_L1)
+#define BUTTON_A      1
+#define BUTTON_B      (1 << 1)
+#define BUTTON_UP     (1 << 6)
+#define BUTTON_DOWN   (1 << 7)
+#define BUTTON_START  (1 << 3)
+#define BUTTON_SELECT (1 << 2)
+#define SAFEMODE      (BUTTON_L1R1 | BUTTON_A | (1 << 6))

source/crypto.c

@@ -1,4 +1,10 @@
-// From http://github.com/b1l1s/ctr
+/*
+*   crypto.c
+*       by Reisyukaku / Aurora Wright
+*   Crypto libs from http://github.com/b1l1s/ctr
+*
+*   Copyright (c) 2016 All Rights Reserved
+*/
 
 #include "crypto.h"
 #include "memory.h"
@@ -243,14 +249,16 @@ static void getNandCTR(u8 *buf, u32 console){
 void nandFirm0(u8 *outbuf, u32 size, u32 console){
     u8 CTR[0x10];
     getNandCTR(CTR, console);
-    aes_advctr(CTR, 0x0B130000/0x10, AES_INPUT_BE | AES_INPUT_NORMAL);
+
     sdmmc_nand_readsectors(0x0B130000 / 0x200, size / 0x200, outbuf);
+
+    aes_advctr(CTR, 0x0B130000/0x10, AES_INPUT_BE | AES_INPUT_NORMAL);
     aes_use_keyslot(0x06);
     aes(outbuf, outbuf, size / AES_BLOCK_SIZE, CTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
 }
 
 //Decrypts the N3DS arm9bin
-void decArm9Bin(u8 *armHdr, u32 mode){
+void decryptArm9Bin(u8 *arm9Section, u32 mode){
 
     //Firm keys
     u8 keyY[0x10];
@@ -258,11 +266,11 @@ void decArm9Bin(u8 *armHdr, u32 mode){
     u8 slot = mode ? 0x16 : 0x15;
 
     //Setup keys needed for arm9bin decryption
-    memcpy(keyY, armHdr+0x10, 0x10);
+    memcpy(keyY, arm9Section+0x10, 0x10);
-    memcpy(CTR, armHdr+0x20, 0x10);
+    memcpy(CTR, arm9Section+0x20, 0x10);
     u32 size = 0;
     //http://stackoverflow.com/questions/12791077/atoi-implementation-in-c
-    for(u8 *tmp = armHdr+0x30; *tmp; tmp++)
+    for(u8 *tmp = arm9Section+0x30; *tmp; tmp++)
         size = (size<<3)+(size<<1)+(*tmp)-'0';
 
     if(mode){
@@ -271,7 +279,7 @@ void decArm9Bin(u8 *armHdr, u32 mode){
         //Set 0x11 to key2 for the arm9bin and misc keys
         aes_setkey(0x11, key2, AES_KEYNORMAL, AES_INPUT_BE | AES_INPUT_NORMAL);
         aes_use_keyslot(0x11);
-        aes(keyX, armHdr+0x60, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
+        aes(keyX, arm9Section+0x60, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
         aes_setkey(slot, keyX, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
     }
 
@@ -280,13 +288,13 @@ void decArm9Bin(u8 *armHdr, u32 mode){
     aes_use_keyslot(slot);
 
     //Decrypt arm9bin
-    aes(armHdr+0x800, armHdr+0x800, size/AES_BLOCK_SIZE, CTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
+    aes(arm9Section+0x800, arm9Section+0x800, size/AES_BLOCK_SIZE, CTR, AES_CTR_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
 }
 
 //Sets the N3DS 9.6 KeyXs
-void setKeyXs(u8 *armHdr){
+void setKeyXs(u8 *arm9Section){
 
-    u8 *keyData = armHdr+0x89814;
+    u8 *keyData = arm9Section+0x89814;
     u8 *decKey = keyData+0x10;
 
     //Set keys 0x19..0x1F keyXs

source/crypto.h

@@ -1,4 +1,10 @@
-// From http://github.com/b1l1s/ctr
+/*
+*   crypto.h
+*       by Reisyukaku / Aurora Wright
+*   Crypto libs from http://github.com/b1l1s/ctr
+*
+*   Copyright (c) 2016 All Rights Reserved
+*/
 
 #pragma once
 
@@ -49,5 +55,5 @@
 
 //NAND/FIRM stuff
 void nandFirm0(u8 *outbuf, u32 size, u32 console);
-void decArm9Bin(u8 *armHdr, u32 mode);
+void decryptArm9Bin(u8 *arm9Section, u32 mode);
-void setKeyXs(u8 *armHdr);
+void setKeyXs(u8 *arm9Section);

source/draw.c

@@ -1,12 +1,18 @@
 /*
 *   draw.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Code to print to the screen by mid-kid @CakesFW
+*
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "draw.h"
 #include "fs.h"
 #include "memory.h"
+#include "font.h"
+
+#define SCREEN_TOP_WIDTH 400
+#define SCREEN_TOP_HEIGHT 240
 
 static const struct fb {
     u8 *top_left;
@@ -14,35 +20,63 @@ static const struct fb {
     u8 *bottom;
 } *const fb = (struct fb *)0x23FFFE00;
 
-void __attribute__((naked)) shutdownLCD(void){
+static int strlen(const char *string){
-
+    char *stringEnd = (char *)string;
-    vu32 *const arm11 = (u32 *)0x1FFFFFF8;
+    while(*stringEnd) stringEnd++;
-
+    return stringEnd - string;
-    //Clear ARM11 entry offset
-    *arm11 = 0;
-
-    //Shutdown LCDs
-    *(vu32 *)0x10202A44 = 0;
-    *(vu32 *)0x10202244 = 0;
-    *(vu32 *)0x10202014 = 0;
-    
-    //Wait for the entry to be set
-    while(!*arm11);
-    //Jump to it
-    ((void (*)())*arm11)();
 }
 
-static void clearScreen(void){
+void clearScreens(void){
-    memset(fb->top_left, 0, 0x46500);
+    memset32(fb->top_left, 0, 0x46500);
-    memset(fb->top_right, 0, 0x46500);
+    memset32(fb->top_right, 0, 0x46500);
-    memset(fb->bottom, 0, 0x38400);
+    memset32(fb->bottom, 0, 0x38400);
 }
 
 void loadSplash(void){
-    clearScreen();
+    clearScreens();
+
     //Don't delay boot if no splash image is on the SD
-    if(fileRead(fb->top_left, "/rei/splash.bin", 0x46500) +
+    if(fileRead(fb->top_left, "/aurei/splash.bin", 0x46500) +
-       fileRead(fb->bottom, "/rei/splashbottom.bin", 0x38400)){
+       fileRead(fb->bottom, "/aurei/splashbottom.bin", 0x38400)){
-        u64 i = 0xFFFFFF; while(--i) __asm("mov r0, r0"); //Less Ghetto sleep func
+        u64 i = 0x1300000; while(--i) __asm("mov r0, r0"); //Less Ghetto sleep func
     }
 }
+
+void drawCharacter(char character, int pos_x, int pos_y, u32 color){
+    u8 *select = fb->top_left;
+
+    for(int y = 0; y < 8; y++){
+        unsigned char char_pos = font[character * 8 + y];
+
+        for(int x = 7; x >= 0; x--){
+            int screen_pos = (pos_x * SCREEN_TOP_HEIGHT * 3 + (SCREEN_TOP_HEIGHT - y - pos_y - 1) * 3) + (7 - x) * 3 * SCREEN_TOP_HEIGHT;
+
+            if ((char_pos >> x) & 1) {
+                select[screen_pos] = color >> 16;
+                select[screen_pos + 1] = color >> 8;
+                select[screen_pos + 2] = color;
+            }
+        }
+    }
+}
+
+int drawString(const char *string, int pos_x, int pos_y, u32 color){
+    int length = strlen(string);
+
+    for(int i = 0, line_i = 0; i < length; i++, line_i++){
+        if(string[i] == '\n'){
+            pos_y += SPACING_VERT;
+            line_i = 0;
+            i++;
+        } else if(line_i >= (SCREEN_TOP_WIDTH - pos_x) / SPACING_HORIZ){
+            // Make sure we never get out of the screen.
+            pos_y += SPACING_VERT;
+            line_i = 2;  // Little offset so we know the same string continues.
+            if(string[i] == ' ') i++;  // Spaces at the start look weird
+        }
+
+        drawCharacter(string[i], pos_x + line_i * SPACING_HORIZ, pos_y, color);
+    }
+
+    return pos_y;
+}

source/draw.h

@@ -1,12 +1,19 @@
 /*
 *   draw.h
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Code to print to the screen by mid-kid @CakesFW
+*
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
 
 #include "types.h"
 
+#define SPACING_VERT 10
+#define SPACING_HORIZ 8
+
 void loadSplash(void);
-void __attribute__((naked)) shutdownLCD(void);
+void clearScreens(void);
+void drawCharacter(char character, int pos_x, int pos_y, u32 color);
+int drawString(const char *string, int pos_x, int pos_y, u32 color);

source/emunand.c

@@ -1,7 +1,7 @@
 /*
 *   emunand.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "emunand.h"
@@ -22,26 +22,19 @@ void getEmunandSect(u32 *off, u32 *head, u32 emuNAND){
         }
         //Fallback to the first emuNAND if there's no second one
         else if(emuNAND == 2) getEmunandSect(off, head, 1);
+        //Check if a RedNAND is present
+        else if(sdmmc_sdcard_readsectors(1, 1, temp) == 0)
+            if(*(u32 *)(temp + 0x100) != NCSD_MAGIC)
+                *head = 0;
     }
 }
 
-void getSDMMC(void *pos, u32 *off, u32 size){
+u32 getSDMMC(void *pos, u32 size){
     //Look for struct code
     const unsigned char pattern[] = {0x21, 0x20, 0x18, 0x20};
-    *off = (u32)memsearch(pos, pattern, size, 4) - 1;
+    const u8 *off = (u8 *)memsearch(pos, pattern, size, 4) - 1;
 
-    //Get DCD values
+    return *(u32 *)(off+0x0A) + *(u32 *)(off+0x0E);
-    u8 buf[4];
-    u32 addr = 0,
-        additive = 0,
-        p;
-    memcpy(buf, (void *)(*off+0x0A), 4);
-    for (p = 0; p < 4; p++) addr |= ((u32) buf[p]) << (8 * p);
-    memcpy(buf, (void *)(*off+0x0E), 4);
-    for (p = 0; p < 4; p++) additive |= ((u32) buf[p]) << (8 * p);
-    
-    //Return result
-    *off = addr + additive;
 }
 
 void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff){
@@ -52,9 +45,16 @@ void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff){
     *readOff = (u32)memsearch((void *)(*writeOff - 0x1000), pattern, 0x1000, 4) - 6;
 }
 
-void getMPU(void *pos, u32 *off, u32 size){
+void *getMPU(void *pos, u32 size){
     //Look for MPU pattern
     const unsigned char pattern[] = {0x03, 0x00, 0x24, 0x00};
 
-    *off = (u32)memsearch(pos, pattern, size, 4);
+    return memsearch(pos, pattern, size, 4);
+}
+
+void *getEmuCode(void *pos, u32 size, u8 *proc9Offset){
+    const unsigned char pattern[] = {0x00, 0xFF, 0xFF, 0xFF};
+ 
+    //Looking for the last free space before Process9
+    return (u8 *)memsearch(pos, pattern, size - (size - (u32)(proc9Offset - (u8 *)pos)), 4) + 0xD;
 }

source/emunand.h

@@ -1,7 +1,7 @@
 /*
 *   emunand.h
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
@@ -11,6 +11,7 @@
 #define NCSD_MAGIC (0x4453434E)
 
 void getEmunandSect(u32 *off, u32 *head, u32 emuNAND);
-void getSDMMC(void *pos, u32 *off, u32 size);
+u32 getSDMMC(void *pos, u32 size);
 void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff);
-void getMPU(void *pos, u32 *off, u32 size);
+void *getMPU(void *pos, u32 size);
+void *getEmuCode(void *pos, u32 size, u8 *proc9Offset);

source/fatfs/diskio.c

@@ -69,7 +69,7 @@ DRESULT disk_read (
 DRESULT disk_write (
 	__attribute__((unused))
 	BYTE pdrv,			/* Physical drive nmuber to identify the drive */
-	const BYTE *buff,	/* Data to be written */
+	const BYTE *buff,       	/* Data to be written */
 	DWORD sector,		/* Sector address in LBA */
 	UINT count			/* Number of sectors to write */
 )

source/fatfs/ff.c

@@ -811,7 +811,7 @@ FRESULT sync_fs (	/* FR_OK: successful, FR_DISK_ERR: failed */
 /*-----------------------------------------------------------------------*/
 /* Hidden API for hacks and disk tools */
 
-DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
+static DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
 	FATFS* fs,		/* File system object */
 	DWORD clst		/* Cluster# to be converted */
 )
@@ -829,7 +829,7 @@ DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
 /*-----------------------------------------------------------------------*/
 /* Hidden API for hacks and disk tools */
 
-DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */
+static DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */
 	FATFS* fs,	/* File system object */
 	DWORD clst	/* FAT index number (cluster number) to get the value */
 )
@@ -884,7 +884,7 @@ DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluste
 /* Hidden API for hacks and disk tools */
 
 #if !_FS_READONLY
-FRESULT put_fat (
+static FRESULT put_fat (
 	FATFS* fs,	/* File system object */
 	DWORD clst,	/* FAT index number (cluster number) to be changed */
 	DWORD val	/* New value to be set to the entry */

source/fatfs/sdmmc/sdmmc.c

@@ -2,8 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "common.h"
-
 #include "sdmmc.h"
 #include "delay.h"
 

source/firm.c

@@ -1,7 +1,7 @@
 /*
 *   firm.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "firm.h"
@@ -11,19 +11,29 @@
 #include "emunand.h"
 #include "crypto.h"
 #include "draw.h"
+#include "screeninit.h"
 #include "loader.h"
+#include "utils.h"
+#include "buttons.h"
+#include "../build/patches.h"
+
+//FIRM patches version
+#define PATCH_VER 1
 
 static firmHeader *const firmLocation = (firmHeader *)0x24000000;
 static const firmSectionHeader *section;
-static u32 firmSize = 0,
+static u8 *arm9Section;
+static const char *patchedFirms[] = { "/aurei/patched_firmware_sys.bin",
+                                     "/aurei/patched_firmware_emu.bin",
+                                     "/aurei/patched_firmware_em2.bin",
+                                     "/aurei/patched_firmware90.bin" };
+static u32 firmSize,
            mode = 1,
            console = 1,
            emuNAND = 0,
            a9lhSetup = 0,
-           updatedSys = 0,
+           usePatchedFirm = 0,
-           usePatchedFirm = 0;
+           selectedFirm = 0;
-static u16 pressed;
-static const char *firmPathPatched = NULL;
 
 void setupCFW(void){
 
@@ -31,53 +41,57 @@ void setupCFW(void){
     u32 a9lhBoot = (PDN_SPI_CNT == 0x0) ? 1 : 0;
     //Retrieve the last booted FIRM
     u8 previousFirm = CFG_BOOTENV;
-    u32 overrideConfig = 0;
-    const char lastConfigPath[] = "rei/lastbootcfg";
-
     //Detect the console being used
     if(PDN_MPCORE_CFG == 1) console = 0;
-
     //Get pressed buttons
-    pressed = HID_PAD;
+    u16 pressed = HID_PAD;
+    u32 updatedSys = 0;
+
+    //Attempt to read the configuration file
+    const char configPath[] = "aurei/config.bin";
+    u16 config = 0;
+    u32 needConfig = fileRead((u8 *)&config, configPath, 2) ? 1 : 2;
 
     //Determine if A9LH is installed
-    if(a9lhBoot || fileExists("/rei/installeda9lh")){
+    if(a9lhBoot || (config >> 2) & 0x1){
         a9lhSetup = 1;
-        //Check flag for > 9.2 SysNAND
+        //Check setting for > 9.2 sysNAND
-        if(fileExists("/rei/updatedsysnand")) updatedSys = 1;
+        updatedSys = config & 0x1;
     }
 
-    //If booting with A9LH and it's a MCU reboot, try to force boot options
+    /* If booting with A9LH, it's a MCU reboot and a previous configuration exists,
-    if(a9lhBoot && previousFirm && fileExists(lastConfigPath)){
+       try to force boot options */
-        u8 tempConfig;
+    if(a9lhBoot && previousFirm && needConfig == 1){
-        fileRead(&tempConfig, lastConfigPath, 1);
-
         //Always force a sysNAND boot when quitting AGB_FIRM
         if(previousFirm == 0x7){
-            if(!updatedSys) mode = tempConfig & 0x1;
+            if(!updatedSys) mode = (config >> 8) & 0x1;
-            overrideConfig = 1;
+            needConfig = 0;
         //Else, force the last used boot options unless A is pressed
         } else if(!(pressed & BUTTON_A)){
-            mode = tempConfig & 0x1;
+            mode = (config >> 8) & 0x1;
-            emuNAND = (tempConfig >> 1) & 0x1;
+            emuNAND = (config >> 9) & 0x1;
-            overrideConfig = 1;
+            needConfig = 0;
         }
     }
 
-    if(!overrideConfig){
+    if(needConfig){
 
         //If L and R are pressed, chainload an external payload
-        if(a9lhBoot && (pressed & BUTTON_L1R1) == BUTTON_L1R1) loadPayload();
+        if((pressed & BUTTON_L1R1) == BUTTON_L1R1) loadPayload();
 
-        //Check if it's a no-screen-init A9LH boot
+        //If no configuration file exists or SELECT is held, load configuration menu
+        if(needConfig == 2 || (pressed & BUTTON_SELECT))
+            configureCFW(configPath);
+
+        //If screens are inited, load splash screen
         if(PDN_GPU_CNT != 0x1) loadSplash();
 
-        /* If L is pressed, and on an updated SysNAND setup the SAFE MODE combo
+        /* If L is pressed, and on an updated sysNAND setup the SAFE MODE combo
            is not pressed, boot 9.0 FIRM */
         if((pressed & BUTTON_L1) && !(updatedSys && pressed == SAFEMODE)) mode = 0;
 
-        /* If L or R aren't pressed on a 9.0/9.2 SysNAND, or the 9.0 FIRM is selected
+        /* If L or R aren't pressed on a 9.0/9.2 sysNAND, or the 9.0 FIRM is selected
-           or R is pressed on a > 9.2 SysNAND, boot emuNAND */
+           or R is pressed on a > 9.2 sysNAND, boot emuNAND */
         if((updatedSys && (!mode || ((pressed & BUTTON_R1) && pressed != SAFEMODE))) ||
            (!updatedSys && mode && !(pressed & BUTTON_R1))){
             //If not 9.0 FIRM and B is pressed, attempt booting the second emuNAND
@@ -85,27 +99,35 @@ void setupCFW(void){
             else emuNAND = 1;
         }
 
-        //Write the current boot options on A9LH
+        /* If tha FIRM patches version is different or user switched to/from A9LH,
-        if(a9lhBoot){
+           and "Use pre-patched FIRMs" is set, delete all patched FIRMs */
-            u8 tempConfig = (mode | (emuNAND << 1)) & 0x3;
+        u16 bootConfig = (PATCH_VER << 11) | (a9lhSetup << 10);
-            fileWrite(&tempConfig, lastConfigPath, 1);
+        if ((config >> 1) & 0x1 && bootConfig != (config & 0xFC00))
+            deleteFirms(patchedFirms, sizeof(patchedFirms) / sizeof(char *));
+
+        //We also need to remember the used boot mode on A9LH
+        if(a9lhBoot) bootConfig |= (mode << 8) | (emuNAND << 9);
+
+        //If the boot configuration is different from previously, overwrite it
+        if(bootConfig != (config & 0xFF00)){
+            //Preserve user settings (first byte)
+            u16 tempConfig = ((config & 0xFF) | bootConfig);
+            fileWrite((u8 *)&tempConfig, configPath, 2);
         }
     }
 
-    if(mode) firmPathPatched = emuNAND ? (emuNAND == 1 ? "/rei/patched_firmware_emu.bin" :
+    if(mode) selectedFirm = emuNAND ? (emuNAND == 1 ? 2 : 3) : 1;
-                                                        "/rei/patched_firmware_em2.bin") :
-                                                        "/rei/patched_firmware_sys.bin";
 
     //Skip decrypting and patching FIRM
-    if(fileExists("/rei/usepatchedfw")){
+    if((config >> 1) & 0x1){
-        //Only needed with this flag
+        //Only needed with this setting
-        if(!mode) firmPathPatched = "/rei/patched_firmware90.bin";
+        if(!mode) selectedFirm = 4;
-        if(fileExists(firmPathPatched)) usePatchedFirm = 1;
+        if(fileExists(patchedFirms[selectedFirm - 1])) usePatchedFirm = 1;
     }
 }
 
-//Load firm into FCRAM
+//Load FIRM into FCRAM
-u32 loadFirm(void){
+void loadFirm(void){
 
     //If not using an A9LH setup or the patched FIRM, load 9.0 FIRM from NAND
     if(!usePatchedFirm && !a9lhSetup && !mode){
@@ -113,92 +135,106 @@ u32 loadFirm(void){
         firmSize = console ? 0xF2000 : 0xE9000;
         nandFirm0((u8 *)firmLocation, firmSize, console);
         //Check for correct decryption
-        if(memcmp(firmLocation, "FIRM", 4) != 0) return 0;
+        if(memcmp(firmLocation, "FIRM", 4) != 0)
+            error("Couldn't decrypt NAND FIRM0 (O3DS not on 9.x?)");
     }
     //Load FIRM from SD
     else{
-        const char *path = usePatchedFirm ? firmPathPatched :
+        const char *path = usePatchedFirm ? patchedFirms[selectedFirm - 1] :
-                                (mode ? "/rei/firmware.bin" : "/rei/firmware90.bin");
+                                (mode ? "/aurei/firmware.bin" : "/aurei/firmware90.bin");
         firmSize = fileSize(path);
-        if(!firmSize) return 0;
+        if(!firmSize) error("aurei/firmware(90).bin doesn't exist");
         fileRead((u8 *)firmLocation, path, firmSize);
     }
 
     section = firmLocation->section;
 
     //Check that the loaded FIRM matches the console
-    if((((u32)section[2].address >> 8) & 0xFF) != (console ? 0x60 : 0x68)) return 0;
+    if((((u32)section[2].address >> 8) & 0xFF) != (console ? 0x60 : 0x68))
+        error("aurei/firmware(90).bin doesn't match this\nconsole, or it's encrypted");
 
-    if(console && !usePatchedFirm)
+    arm9Section = (u8 *)firmLocation + section[2].offset;
-        decArm9Bin((u8 *)firmLocation + section[2].offset, mode);
 
-    return 1;
+    if(console && !usePatchedFirm) decryptArm9Bin(arm9Section, mode);
 }
 
-//Nand redirection
+//NAND redirection
-static u32 loadEmu(void){
+static void loadEmu(u8 *proc9Offset){
 
     u32 emuOffset = 1,
         emuHeader = 1,
         emuRead,
-        emuWrite,
+        emuWrite;
-        sdmmcOffset,
-        mpuOffset,
-        emuCodeOffset;
 
-    //Read emunand code from SD
+    //Look for emuNAND
-    const char path[] = "/rei/emunand/emunand.bin";
-    u32 size = fileSize(path);
-    if(!size) return 0;
-    if(!console || !mode) nandRedir[5] = 0xA4;
-    //Find offset for emuNAND code from the offset in nandRedir
-    emuCodeOffset = *(u32 *)(nandRedir + 4) - (u32)section[2].address +
-                    section[2].offset + (u32)firmLocation;
-    fileRead((u8 *)emuCodeOffset, path, size);
-
-    //Find and patch emunand related offsets
-    u32 *pos_sdmmc = (u32 *)memsearch((void *)emuCodeOffset, "SDMC", size, 4);
-    u32 *pos_offset = (u32 *)memsearch((void *)emuCodeOffset, "NAND", size, 4);
-    u32 *pos_header = (u32 *)memsearch((void *)emuCodeOffset, "NCSD", size, 4);
-    getSDMMC(firmLocation, &sdmmcOffset, firmSize);
     getEmunandSect(&emuOffset, &emuHeader, emuNAND);
-    getEmuRW(firmLocation, firmSize, &emuRead, &emuWrite);
+
-    getMPU(firmLocation, &mpuOffset, firmSize);
+    //No emuNAND detected
-    *pos_sdmmc = sdmmcOffset;
+    if(!emuHeader) error("No emuNAND has been detected");
+
+    //Copy the emuNAND patch
+    void *emuCodeOffset = getEmuCode(arm9Section, section[2].size, proc9Offset);
+    memcpy(emuCodeOffset, emunand, emunand_size);
+
+    //Add the data of the found emuNAND
+    u32 *pos_offset = (u32 *)memsearch(emuCodeOffset, "NAND", emunand_size, 4);
+    u32 *pos_header = (u32 *)memsearch(emuCodeOffset, "NCSD", emunand_size, 4);
     *pos_offset = emuOffset;
     *pos_header = emuHeader;
 
-    //Patch emuNAND code in memory for O3DS and 9.0 N3DS
+    //Find and add the SDMMC struct
-    if(!console || !mode){
+    u32 *pos_sdmmc = (u32 *)memsearch(emuCodeOffset, "SDMC", emunand_size, 4);
-        void *pos_instr = memsearch((void *)emuCodeOffset, "\xA6\x01\x08\x30", size, 4);
+    *pos_sdmmc = getSDMMC(arm9Section, section[2].size);
-        memcpy(pos_instr, emuInstr, sizeof(emuInstr));
+
-    }
+    //Calculate offset for the hooks
+    *(u32 *)(nandRedir + 4) = (u32)emuCodeOffset - (u32)firmLocation -
+                              section[2].offset + (u32)section[2].address;
 
     //Add emunand hooks
+    getEmuRW(arm9Section, section[2].size, &emuRead, &emuWrite);
     memcpy((void *)emuRead, nandRedir, sizeof(nandRedir));
     memcpy((void *)emuWrite, nandRedir, sizeof(nandRedir));
 
     //Set MPU for emu code region
-    memcpy((void *)mpuOffset, mpu, sizeof(mpu));
+    void *mpuOffset = getMPU(arm9Section, section[2].size);
-
+    memcpy(mpuOffset, mpu, sizeof(mpu));
-    return 1;
 }
 
 //Patches
-u32 patchFirm(void){
+void patchFirm(void){
 
     //Skip patching
-    if(usePatchedFirm) return 1;
+    if(usePatchedFirm) return;
 
-    //Apply emuNAND patches
+    if(mode || emuNAND){
-    if(emuNAND){
+        //Find the Process9 NCCH location
-        if(!loadEmu()) return 0;
+        u8 *proc9Offset = getProc9(arm9Section, section[2].size);
+
+        //Apply emuNAND patches
+        if(emuNAND) loadEmu(proc9Offset);
+
+        //Patch FIRM reboots, not on 9.0 FIRM as it breaks firmlaunchhax
+        if(mode){
+            //Read reboot code from SD
+            void *rebootOffset = getReboot(arm9Section, section[2].size);
+            memcpy(rebootOffset, reboot, reboot_size);
+
+            //Calculate the fOpen offset and put it in the right location
+            u32 *pos_fopen = (u32 *)memsearch(rebootOffset, "OPEN", reboot_size, 4);
+            *pos_fopen = getfOpen(arm9Section, section[2].size, proc9Offset);
+
+            //Patch path for emuNAND-patched FIRM
+            if(emuNAND){
+                void *pos_path = memsearch(rebootOffset, L"sy", reboot_size, 4);
+                memcpy(pos_path, emuNAND == 1 ? L"emu" : L"em2", 5);
+            }
+        }
     }
-    else if(a9lhSetup){
+
-        //Patch FIRM partitions writes on SysNAND to protect A9LH
+    if(a9lhSetup && !emuNAND){
-        u32 writeOffset = 0;
+        //Patch FIRM partitions writes on sysNAND to protect A9LH
-        getFIRMWrite(firmLocation, firmSize, &writeOffset);
+        void *writeOffset = getFirmWrite(arm9Section, section[2].size);
-        memcpy((void *)writeOffset, FIRMblock, sizeof(FIRMblock));
+        memcpy(writeOffset, writeBlock, sizeof(writeBlock));
     }
 
     //Disable signature checks
@@ -213,55 +249,27 @@ u32 patchFirm(void){
     if(console)
         firmLocation->arm9Entry = (u8 *)0x801B01C;
 
-    //Patch FIRM reboots, not on 9.0 FIRM as it breaks firmlaunchhax
-    if(mode){
-        u32 rebootOffset,
-            fOpenOffset;
-
-        //Read reboot code from SD
-        const char path[] = "/rei/reboot/reboot.bin";
-        u32 size = fileSize(path);
-        if(!size) return 0;
-        getReboot(firmLocation, firmSize, &rebootOffset);
-        fileRead((u8 *)rebootOffset, path, size);
-
-        //Calculate the fOpen offset and put it in the right location
-        u32 *pos_fopen = (u32 *)memsearch((void *)rebootOffset, "OPEN", size, 4);
-        getfOpen(firmLocation, firmSize, &fOpenOffset);
-        *pos_fopen = fOpenOffset;
-
-        //Patch path for emuNAND-patched FIRM
-        if(emuNAND){
-            void *pos_path = memsearch((void *)rebootOffset, L"sy", size, 4);
-            const wchar_t *path = emuNAND == 1 ? L"emu" : L"em2";
-            memcpy(pos_path, path, 5);
-        }
-    }
-
     //Write patched FIRM to SD if needed
-    if(firmPathPatched)
+    if(selectedFirm)
-        if(!fileWrite((u8 *)firmLocation, firmPathPatched, firmSize)) return 0;
+        if(!fileWrite((u8 *)firmLocation, patchedFirms[selectedFirm - 1], firmSize))
-
+            error("Couldn't write the patched FIRM (no free space?)");
-    return 1;
 }
 
 void launchFirm(void){
 
-    if(console && mode) setKeyXs((u8 *)firmLocation + section[2].offset);
+    if(console && mode) setKeyXs(arm9Section);
 
     //Copy firm partitions to respective memory locations
     memcpy(section[0].address, (u8 *)firmLocation + section[0].offset, section[0].size);
     memcpy(section[1].address, (u8 *)firmLocation + section[1].offset, section[1].size);
-    memcpy(section[2].address, (u8 *)firmLocation + section[2].offset, section[2].size);
+    memcpy(section[2].address, arm9Section, section[2].size);
 
-    //Run ARM11 screen stuff
+    //Fixes N3DS 3D
-    vu32 *const arm11 = (u32 *)0x1FFFFFF8;
+    deinitScreens();
-    *arm11 = (u32)shutdownLCD;
-    while(*arm11);
 
-    //Set ARM11 kernel
+    //Set ARM11 kernel entrypoint
-    *arm11 = (u32)firmLocation->arm11Entry;
+    *(vu32 *)0x1FFFFFF8 = (u32)firmLocation->arm11Entry;
 
-    //Final jump to arm9 binary
+    //Final jump to arm9 kernel
     ((void (*)())firmLocation->arm9Entry)();
 }

source/firm.h

@@ -1,24 +1,16 @@
 /*
 *   firm.h
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
 
 #include "types.h"
 
-#define PDN_MPCORE_CFG     (*(vu8 *)0x10140FFC)
+#define PDN_MPCORE_CFG (*(vu8 *)0x10140FFC)
-#define HID_PAD            ((~*(vu16 *)0x10146000) & 0xFFF)
+#define PDN_SPI_CNT    (*(vu8 *)0x101401C0)
-#define PDN_SPI_CNT        (*(vu8 *)0x101401C0)
+#define CFG_BOOTENV    (*(vu8 *)0x10010000)
-#define CFG_BOOTENV        (*(vu8 *)0x10010000)
-#define PDN_GPU_CNT        (*(vu8 *)0x10141200)
-#define BUTTON_R1          (1 << 8)
-#define BUTTON_L1          (1 << 9)
-#define BUTTON_L1R1        (BUTTON_R1 | BUTTON_L1)
-#define BUTTON_A           1
-#define BUTTON_B           (1 << 1)
-#define SAFEMODE           (BUTTON_L1R1 | BUTTON_A | (1 << 6))
 
 //FIRM Header layout
 typedef struct firmSectionHeader {
@@ -39,6 +31,6 @@ typedef struct firmHeader {
 } firmHeader;
 
 void setupCFW(void);
-u32 loadFirm(void);
+void loadFirm(void);
-u32 patchFirm(void);
+void patchFirm(void);
 void launchFirm(void);

source/font.h

@@ -0,0 +1,144 @@
+/*
+  This file was autogenerated by raw2c.
+Visit http://www.devkitpro.org
+*/
+
+//---------------------------------------------------------------------------------
+#ifndef _font_h_
+#define _font_h_
+//---------------------------------------------------------------------------------
+static const unsigned char font[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0xbd, 0x99, 0x81, 0x7e,
+    0x7e, 0xff, 0xdb, 0xff, 0xc3, 0xe7, 0xff, 0x7e, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00,
+    0x10, 0x38, 0x7c, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x3c, 0x3c, 0x18, 0xff, 0xe7, 0x18, 0x3c, 0x00,
+    0x10, 0x38, 0x7c, 0xfe, 0xee, 0x10, 0x38, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00,
+    0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00,
+    0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff, 0x0f, 0x07, 0x0f, 0x7d, 0xcc, 0xcc, 0xcc, 0x78,
+    0x3c, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x08, 0x0c, 0x0a, 0x0a, 0x08, 0x78, 0xf0, 0x00,
+    0x18, 0x14, 0x1a, 0x16, 0x72, 0xe2, 0x0e, 0x1c, 0x10, 0x54, 0x38, 0xee, 0x38, 0x54, 0x10, 0x00,
+    0x80, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0x80, 0x00, 0x02, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x02, 0x00,
+    0x18, 0x3c, 0x5a, 0x18, 0x5a, 0x3c, 0x18, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00,
+    0x7f, 0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x00, 0x1c, 0x22, 0x38, 0x44, 0x44, 0x38, 0x88, 0x70,
+    0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0x00, 0x18, 0x3c, 0x5a, 0x18, 0x5a, 0x3c, 0x18, 0x7e,
+    0x18, 0x3c, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x5a, 0x3c, 0x18, 0x00,
+    0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00,
+    0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x24, 0x42, 0xff, 0x42, 0x24, 0x00, 0x00,
+    0x00, 0x10, 0x38, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x38, 0x10, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x18, 0x00, 0x18, 0x00,
+    0x6c, 0x24, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0xfe, 0x6c, 0x6c, 0x00,
+    0x10, 0x7c, 0xd0, 0x7c, 0x16, 0xfc, 0x10, 0x00, 0x00, 0x66, 0xac, 0xd8, 0x36, 0x6a, 0xcc, 0x00,
+    0x38, 0x4c, 0x38, 0x78, 0xce, 0xcc, 0x7a, 0x00, 0x30, 0x10, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x18, 0x30, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x60, 0x30, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00,
+    0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x10, 0x20, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00,
+    0x7c, 0xce, 0xde, 0xf6, 0xe6, 0xe6, 0x7c, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x7e, 0x00,
+    0x7c, 0xc6, 0x06, 0x1c, 0x70, 0xc6, 0xfe, 0x00, 0x7c, 0xc6, 0x06, 0x3c, 0x06, 0xc6, 0x7c, 0x00,
+    0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x1e, 0x00, 0xfe, 0xc0, 0xfc, 0x06, 0x06, 0xc6, 0x7c, 0x00,
+    0x7c, 0xc6, 0xc0, 0xfc, 0xc6, 0xc6, 0x7c, 0x00, 0xfe, 0xc6, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x00,
+    0x7c, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0x7e, 0x06, 0xc6, 0x7c, 0x00,
+    0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x10, 0x20,
+    0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00,
+    0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x78, 0xcc, 0x0c, 0x18, 0x30, 0x00, 0x30, 0x00,
+    0x7c, 0x82, 0x9e, 0xa6, 0x9e, 0x80, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00,
+    0xfc, 0x66, 0x66, 0x7c, 0x66, 0x66, 0xfc, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00,
+    0xfc, 0x66, 0x66, 0x66, 0x66, 0x66, 0xfc, 0x00, 0xfe, 0x62, 0x68, 0x78, 0x68, 0x62, 0xfe, 0x00,
+    0xfe, 0x62, 0x68, 0x78, 0x68, 0x60, 0xf0, 0x00, 0x7c, 0xc6, 0xc6, 0xc0, 0xce, 0xc6, 0x7e, 0x00,
+    0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00,
+    0x1e, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00, 0xe6, 0x66, 0x6c, 0x78, 0x6c, 0x66, 0xe6, 0x00,
+    0xf0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x82, 0xc6, 0xee, 0xfe, 0xd6, 0xc6, 0xc6, 0x00,
+    0xc6, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0xfc, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xd6, 0xde, 0x7c, 0x06,
+    0xfc, 0x66, 0x66, 0x7c, 0x66, 0x66, 0xe6, 0x00, 0x7c, 0xc6, 0xc0, 0x7c, 0x06, 0xc6, 0x7c, 0x00,
+    0x7e, 0x5a, 0x5a, 0x18, 0x18, 0x18, 0x3c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0xc6, 0xc6, 0xd6, 0xfe, 0xee, 0xc6, 0x82, 0x00,
+    0xc6, 0x6c, 0x38, 0x38, 0x38, 0x6c, 0xc6, 0x00, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x3c, 0x00,
+    0xfe, 0xc6, 0x8c, 0x18, 0x32, 0x66, 0xfe, 0x00, 0x78, 0x60, 0x60, 0x60, 0x60, 0x60, 0x78, 0x00,
+    0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x02, 0x00, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x00,
+    0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
+    0x30, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
+    0xe0, 0x60, 0x60, 0x7c, 0x66, 0x66, 0x7c, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc6, 0x7c, 0x00,
+    0x1c, 0x0c, 0x0c, 0x7c, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00,
+    0x1c, 0x36, 0x30, 0x78, 0x30, 0x30, 0x78, 0x00, 0x00, 0x00, 0x76, 0xcc, 0xcc, 0x7c, 0x0c, 0x78,
+    0xe0, 0x60, 0x6c, 0x76, 0x66, 0x66, 0xe6, 0x00, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
+    0x00, 0x0c, 0x00, 0x1c, 0x0c, 0x0c, 0xcc, 0x78, 0xe0, 0x60, 0x66, 0x6c, 0x78, 0x6c, 0xe6, 0x00,
+    0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0xcc, 0xfe, 0xd6, 0xd6, 0xd6, 0x00,
+    0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0x00, 0x00, 0xdc, 0x66, 0x66, 0x7c, 0x60, 0xf0, 0x00, 0x00, 0x7c, 0xcc, 0xcc, 0x7c, 0x0c, 0x1e,
+    0x00, 0x00, 0xde, 0x76, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x7c, 0xc0, 0x7c, 0x06, 0x7c, 0x00,
+    0x10, 0x30, 0xfc, 0x30, 0x30, 0x34, 0x18, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
+    0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0xc6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00,
+    0x00, 0x00, 0xc6, 0x6c, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8,
+    0x00, 0x00, 0xfc, 0x98, 0x30, 0x64, 0xfc, 0x00, 0x0e, 0x18, 0x18, 0x30, 0x18, 0x18, 0x0e, 0x00,
+    0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00, 0xe0, 0x30, 0x30, 0x18, 0x30, 0x30, 0xe0, 0x00,
+    0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0x00,
+    0x7c, 0xc6, 0xc0, 0xc0, 0xc6, 0x7c, 0x18, 0x70, 0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
+    0x0e, 0x10, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0x7c, 0x82, 0x38, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
+    0xcc, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0xe0, 0x10, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00,
+    0x30, 0x30, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x7c, 0xc0, 0xc0, 0x7c, 0x18, 0x70,
+    0x7c, 0x82, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0xc6, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00,
+    0xe0, 0x10, 0x7c, 0xc6, 0xfe, 0xc0, 0x7c, 0x00, 0x66, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
+    0x7c, 0x82, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00, 0xe0, 0x10, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
+    0xc6, 0x00, 0x7c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x38, 0x38, 0x7c, 0xc6, 0xfe, 0xc6, 0xc6, 0x00,
+    0x0e, 0x10, 0xfe, 0x60, 0x78, 0x60, 0xfe, 0x00, 0x00, 0x00, 0x7c, 0x12, 0x7e, 0xd0, 0x7e, 0x00,
+    0x7e, 0xc8, 0xc8, 0xfe, 0xc8, 0xc8, 0xce, 0x00, 0x7c, 0x82, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0xc6, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0xe0, 0x10, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0x7c, 0x82, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0xe0, 0x10, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
+    0xcc, 0x00, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0xf8, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00,
+    0xc6, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x18, 0x7c, 0xd6, 0xd0, 0xd6, 0x7c, 0x18, 0x00,
+    0x38, 0x6c, 0x60, 0xf0, 0x60, 0xf2, 0xdc, 0x00, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x7e, 0x18, 0x00,
+    0xf8, 0xcc, 0xf8, 0xc4, 0xcc, 0xde, 0xcc, 0x06, 0x0e, 0x1b, 0x18, 0x3c, 0x18, 0x18, 0xd8, 0x70,
+    0x0e, 0x10, 0x78, 0x0c, 0x7c, 0xcc, 0x76, 0x00, 0x0e, 0x10, 0x38, 0x18, 0x18, 0x18, 0x3c, 0x00,
+    0x0e, 0x10, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x0e, 0x10, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00,
+    0x66, 0x98, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x98, 0xe6, 0xf6, 0xde, 0xce, 0xc6, 0x00,
+    0x38, 0x0c, 0x3c, 0x34, 0x00, 0x7e, 0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x00, 0x7c, 0x00, 0x00,
+    0x30, 0x00, 0x30, 0x60, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc0, 0xc0, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0xfc, 0x0c, 0x0c, 0x00, 0x00, 0xc0, 0xc8, 0xd0, 0xfe, 0x46, 0x8c, 0x1e, 0x00,
+    0xc0, 0xc8, 0xd0, 0xec, 0x5c, 0xbe, 0x0c, 0x00, 0x18, 0x00, 0x18, 0x18, 0x3c, 0x3c, 0x18, 0x00,
+    0x00, 0x36, 0x6c, 0xd8, 0x6c, 0x36, 0x00, 0x00, 0x00, 0xd8, 0x6c, 0x36, 0x6c, 0xd8, 0x00, 0x00,
+    0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
+    0xdb, 0x77, 0xdb, 0xee, 0xdb, 0x77, 0xdb, 0xee, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+    0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18,
+    0x36, 0x36, 0x36, 0x36, 0xf6, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x36, 0x36, 0x36,
+    0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x36, 0x36, 0xf6, 0x06, 0xf6, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0xfe, 0x06, 0xf6, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00,
+    0x18, 0x18, 0xf8, 0x18, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18,
+    0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18,
+    0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18,
+    0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0xf7, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36,
+    0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
+    0x36, 0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00,
+    0x36, 0x36, 0x36, 0x36, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18,
+    0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00,
+    0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18,
+    0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36,
+    0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+    0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
+    0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x74, 0xcc, 0xc8, 0xdc, 0x76, 0x00, 0x78, 0xcc, 0xd8, 0xcc, 0xc6, 0xc6, 0xdc, 0x40,
+    0xfe, 0x62, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x02, 0x7e, 0xec, 0x6c, 0x6c, 0x48, 0x00,
+    0xfe, 0x62, 0x30, 0x18, 0x30, 0x62, 0xfe, 0x00, 0x00, 0x00, 0x7e, 0xd0, 0xc8, 0xc8, 0x70, 0x00,
+    0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xf8, 0x80, 0x00, 0x00, 0x7e, 0xd8, 0x18, 0x18, 0x10, 0x00,
+    0x38, 0x10, 0x7c, 0xd6, 0xd6, 0x7c, 0x10, 0x38, 0x7c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x7c, 0x00,
+    0x7c, 0xc6, 0xc6, 0xc6, 0x6c, 0x28, 0xee, 0x00, 0x3c, 0x22, 0x18, 0x7c, 0xcc, 0xcc, 0x78, 0x00,
+    0x00, 0x00, 0x66, 0x99, 0x99, 0x66, 0x00, 0x00, 0x00, 0x06, 0x7c, 0x9e, 0xf2, 0x7c, 0xc0, 0x00,
+    0x00, 0x00, 0x7c, 0xc0, 0xf8, 0xc0, 0x7c, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
+    0x00, 0xfe, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x7e, 0x00,
+    0x30, 0x18, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0x00, 0x18, 0x30, 0x60, 0x30, 0x18, 0x00, 0x7c, 0x00,
+    0x0e, 0x1b, 0x1b, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70,
+    0x00, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00,
+    0x38, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x3c, 0x00,
+    0xd8, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x30, 0xc0, 0xf0, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+
+};
+const int font_size = sizeof(font);
+//---------------------------------------------------------------------------------
+#endif //_font_h_
+//---------------------------------------------------------------------------------

source/fs.c

@@ -1,5 +1,7 @@
 /*
 *   fs.c
+*       by Reisyukaku / Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "fs.h"
@@ -59,3 +61,7 @@ u32 fileExists(const char *path){
     f_close(&fp);
     return exists;
 }
+
+void fileDelete(const char *path){
+    f_unlink(path);
+}

source/fs.h

@@ -1,5 +1,7 @@
 /*
 *   fs.h
+*       by Reisyukaku / Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
@@ -11,3 +13,4 @@ u32 fileRead(u8 *dest, const char *path, u32 size);
 u32 fileWrite(const u8 *buffer, const char *path, u32 size);
 u32 fileSize(const char *path);
 u32 fileExists(const char *path);
+void fileDelete(const char *path);

source/i2c.c

@@ -10,11 +10,11 @@ static const struct { u8 bus_id, reg_addr; } dev_data[] = {
     {2, 0xA4}, {2, 0x9A}, {2, 0xA0},
 };
 
-inline u8 i2cGetDeviceBusId(u8 device_id) {
+static inline u8 i2cGetDeviceBusId(u8 device_id) {
     return dev_data[device_id].bus_id;
 }
 
-inline u8 i2cGetDeviceRegAddr(u8 device_id) {
+static inline u8 i2cGetDeviceRegAddr(u8 device_id) {
     return dev_data[device_id].reg_addr;
 }
 
@@ -26,7 +26,7 @@ static vu8* reg_data_addrs[] = {
     (vu8*)(I2C3_REG_OFF + I2C_REG_DATA),
 };
 
-inline vu8* i2cGetDataReg(u8 bus_id) {
+static inline vu8* i2cGetDataReg(u8 bus_id) {
     return reg_data_addrs[bus_id];
 }
 
@@ -38,22 +38,22 @@ static vu8* reg_cnt_addrs[] = {
     (vu8*)(I2C3_REG_OFF + I2C_REG_CNT),
 };
 
-inline vu8* i2cGetCntReg(u8 bus_id) {
+static inline vu8* i2cGetCntReg(u8 bus_id) {
     return reg_cnt_addrs[bus_id];
 }
 
 //-----------------------------------------------------------------------------
 
-inline void i2cWaitBusy(u8 bus_id) {
+static inline void i2cWaitBusy(u8 bus_id) {
     while (*i2cGetCntReg(bus_id) & 0x80);
 }
 
-inline bool i2cGetResult(u8 bus_id) {
+static inline u32 i2cGetResult(u8 bus_id) {
     i2cWaitBusy(bus_id);
     return (*i2cGetCntReg(bus_id) >> 4) & 1;
 }
 
-void i2cStop(u8 bus_id, u8 arg0) {
+static void i2cStop(u8 bus_id, u8 arg0) {
     *i2cGetCntReg(bus_id) = (arg0 << 5) | 0xC0;
     i2cWaitBusy(bus_id);
     *i2cGetCntReg(bus_id) = 0xC5;
@@ -61,14 +61,14 @@ void i2cStop(u8 bus_id, u8 arg0) {
 
 //-----------------------------------------------------------------------------
 
-bool i2cSelectDevice(u8 bus_id, u8 dev_reg) {
+static u32 i2cSelectDevice(u8 bus_id, u8 dev_reg) {
     i2cWaitBusy(bus_id);
     *i2cGetDataReg(bus_id) = dev_reg;
     *i2cGetCntReg(bus_id) = 0xC2;
     return i2cGetResult(bus_id);
 }
 
-bool i2cSelectRegister(u8 bus_id, u8 reg) {
+static u32 i2cSelectRegister(u8 bus_id, u8 reg) {
     i2cWaitBusy(bus_id);
     *i2cGetDataReg(bus_id) = reg;
     *i2cGetCntReg(bus_id) = 0xC0;
@@ -77,58 +77,7 @@ bool i2cSelectRegister(u8 bus_id, u8 reg) {
 
 //-----------------------------------------------------------------------------
 
-u8 i2cReadRegister(u8 dev_id, u8 reg) {
+u32 i2cWriteRegister(u8 dev_id, u8 reg, u8 data) {
-    u8 bus_id = i2cGetDeviceBusId(dev_id);
-    u8 dev_addr = i2cGetDeviceRegAddr(dev_id);
-
-    for (size_t i = 0; i < 8; i++) {
-        if (i2cSelectDevice(bus_id, dev_addr) && i2cSelectRegister(bus_id, reg)) {
-            if (i2cSelectDevice(bus_id, dev_addr | 1)) {
-                i2cWaitBusy(bus_id);
-                i2cStop(bus_id, 1);
-                i2cWaitBusy(bus_id);
-                return *i2cGetDataReg(bus_id);
-            }
-        }
-        *i2cGetCntReg(bus_id) = 0xC5;
-        i2cWaitBusy(bus_id);
-    }
-    return 0xff;
-}
-
-bool i2cReadRegisterBuffer(unsigned int dev_id, int reg, u8* buffer, size_t buf_size) {
-    u8 bus_id = i2cGetDeviceBusId(dev_id);
-    u8 dev_addr = i2cGetDeviceRegAddr(dev_id);
-
-    size_t j = 0;
-    while (!i2cSelectDevice(bus_id, dev_addr)
-        || !i2cSelectRegister(bus_id, reg)
-        || !i2cSelectDevice(bus_id, dev_addr | 1))
-    {
-        i2cWaitBusy(bus_id);
-        *i2cGetCntReg(bus_id) = 0xC5;
-        i2cWaitBusy(bus_id);
-        if (++j >= 8)
-            return false;
-    }
-
-    if (buf_size != 1) {
-        for (size_t i = 0; i < buf_size - 1; i++) {
-            i2cWaitBusy(bus_id);
-            *i2cGetCntReg(bus_id) = 0xF0;
-            i2cWaitBusy(bus_id);
-            buffer[i] = *i2cGetDataReg(bus_id);
-        }
-    }
-
-    i2cWaitBusy(bus_id);
-    *i2cGetCntReg(bus_id) = 0xE1;
-    i2cWaitBusy(bus_id);
-    *buffer = *i2cGetDataReg(bus_id);
-    return true;
-}
-
-bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data) {
     u8 bus_id = i2cGetDeviceBusId(dev_id);
     u8 dev_addr = i2cGetDeviceRegAddr(dev_id);
 
@@ -139,11 +88,11 @@ bool i2cWriteRegister(u8 dev_id, u8 reg, u8 data) {
             *i2cGetCntReg(bus_id) = 0xC1;
             i2cStop(bus_id, 0);
             if (i2cGetResult(bus_id))
-                return true;
+                return 1;
         }
         *i2cGetCntReg(bus_id) = 0xC5;
         i2cWaitBusy(bus_id);
     }
 
-    return false;
+    return 0;
 }

source/i2c.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "types.h"
+
+#define I2C1_REG_OFF 0x10161000
+#define I2C2_REG_OFF 0x10144000
+#define I2C3_REG_OFF 0x10148000
+
+#define I2C_REG_DATA  0
+#define I2C_REG_CNT   1
+#define I2C_REG_CNTEX 2
+#define I2C_REG_SCL   4
+
+#define I2C_DEV_MCU  3
+#define I2C_DEV_GYRO 10
+#define I2C_DEV_IR   13
+
+u32 i2cWriteRegister(u8 dev_id, u8 reg, u8 data);

source/loader.c

@@ -1,14 +1,21 @@
 /*
 *   loader.c
+*       by Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "loader.h"
 #include "fs.h"
+#include "memory.h"
+#include "screeninit.h"
+#include "../build/loader.h"
 
 #define PAYLOAD_ADDRESS	0x24F00000
 
 void loadPayload(void){
-    if(fileExists("rei/payloads/default.bin") &&
+    if(fileExists("aurei/payloads/default.bin")){
-       fileRead((u8 *)PAYLOAD_ADDRESS, "rei/loader.bin", 0))
+        initScreens();
+        memcpy((void *)PAYLOAD_ADDRESS, loader, loader_size);
         ((void (*)())PAYLOAD_ADDRESS)();
+    }
 }

source/loader.h

@@ -1,5 +1,7 @@
 /*
 *   loader.h
+*       by Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once

source/main.c

@@ -1,21 +1,18 @@
 /*
 *   main.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 *
-*   Minimalist CFW for N3DS
+*   Minimalist CFW for (N)3DS
 */
 
 #include "fs.h"
 #include "firm.h"
 
-void main(){
+void main(void){
     mountSD();
     setupCFW();
-}
+    loadFirm();
-
+    patchFirm();
-void startCFW(){
-    if(!loadFirm()) return;
-    if(!patchFirm()) return;
     launchFirm();
 }

source/memory.c

@@ -1,7 +1,7 @@
 /*
 *   memory.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "memory.h"
@@ -19,6 +19,12 @@ void memset(void *dest, int filler, u32 size){
         destc[i] = (u8)filler;
 }
 
+void memset32(void *dest, u32 filler, u32 size){
+    u32 *dest32 = (u32 *)dest;
+    for (u32 i = 0; i < size / 4; i++)
+        dest32[i] = filler;
+}
+
 int memcmp(const void *buf1, const void *buf2, u32 size){
     const u8 *buf1c = (const u8 *)buf1;
     const u8 *buf2c = (const u8 *)buf2;

source/memory.h

@@ -1,7 +1,7 @@
 /*
 *   memory.h
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
@@ -10,5 +10,6 @@
 
 void memcpy(void *dest, const void *src, u32 size);
 void memset(void *dest, int filler, u32 size);
+void memset32(void *dest, u32 filler, u32 size);
 int memcmp(const void *buf1, const void *buf2, u32 size);
 void *memsearch(void *start_pos, const void *search, u32 size, u32 size_search);

source/patches.c

@@ -1,7 +1,7 @@
 /*
 *   patches.c
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #include "patches.h"
@@ -11,25 +11,28 @@
 *                   Patches
 **************************************************/
 
-const u8 mpu[0x2C] = {    //MPU shit
+const u8 mpu[0x2C] = {
     0x03, 0x00, 0x36, 0x00, 0x00, 0x00, 0x10, 0x10, 0x01, 0x00, 0x00, 0x01, 0x03, 0x00, 0x36, 0x00, 
     0x00, 0x00, 0x00, 0x20, 0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x20, 0x00, 0x00, 0x00, 0x00, 0x08, 
     0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x08
-    };
+};
 
-u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0xC0, 0xA5, 0x01, 0x08};    //Branch to emunand function
+//Branch to emunand function. To be filled in
+u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0x00, 0x00, 0x00, 0x00};
 
 const u8 sigPat1[2] = {0x00, 0x20};
 const u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
 
-const u8 FIRMblock[4] = {0x00, 0x20, 0xC0, 0x46};
+const u8 writeBlock[4] = {0x00, 0x20, 0xC0, 0x46};
-
-const u8 emuInstr[5] = {0xA5, 0x01, 0x08, 0x30, 0xA5};
 
 /**************************************************
 *                   Functions
 **************************************************/
 
+u8 *getProc9(void *pos, u32 size){
+    return (u8 *)memsearch(pos, "ess9", size, 4);
+}
+
 void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
     //Look for signature checks
     const unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7};
@@ -39,26 +42,29 @@ void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
     *off2 = (u32)memsearch(pos, pattern2, size, 4) - 1;
 }
 
-void getReboot(void *pos, u32 size, u32 *off){
+void *getReboot(void *pos, u32 size){
     //Look for FIRM reboot code
     const unsigned char pattern[] = {0xDE, 0x1F, 0x8D, 0xE2};
 
-    *off = (u32)memsearch(pos, pattern, size, 4) - 0x10;
+    return (u8 *)memsearch(pos, pattern, size, 4) - 0x10;
 }
 
-void getfOpen(void *pos, u32 size, u32 *off){
+u32 getfOpen(void *pos, u32 size, u8 *proc9Offset){
+    //Offset Process9 code gets loaded to in memory (defined in ExHeader)
+    u32 p9MemAddr = *(u32 *)(proc9Offset + 0xC);
+    //Start of Process9 .code section (start of NCCH + ExeFS offset + ExeFS header size)
+    u32 p9CodeOff = (u32)(proc9Offset - 0x204) + (*(u32 *)(proc9Offset - 0x64) * 0x200) + 0x200;
+
     //Calculate fOpen
-    u32 p9addr = *(u32 *)((u8 *)memsearch(pos, "ess9", size, 4) + 0xC);
-    u32 p9off = (u32)memsearch(pos, "code", size, 4) + 0x1FF;
     const unsigned char pattern[] = {0xB0, 0x04, 0x98, 0x0D};
 
-    *off = (u32)memsearch(pos, pattern, size, 4) - 2 - p9off + p9addr;
+    return (u32)memsearch(pos, pattern, size, 4) - 2 - p9CodeOff + p9MemAddr;
 }
 
-void getFIRMWrite(void *pos, u32 size, u32 *off){
+void *getFirmWrite(void *pos, u32 size){
     //Look for FIRM writing code
     u8 *firmwrite = (u8 *)memsearch(pos, "exe:", size, 4);
     const unsigned char pattern[] = {0x00, 0x28, 0x01, 0xDA};
 
-    *off = (u32)memsearch(firmwrite - 0x100, pattern, 0x100, 4);
+    return memsearch(firmwrite - 0x100, pattern, 0x100, 4);
 }

source/patches.h

@@ -1,7 +1,7 @@
 /*
 *   patches.h
-*       by Reisyukaku
+*       by Reisyukaku / Aurora Wright
-*   Copyright (c) 2015 All Rights Reserved
+*   Copyright (c) 2016 All Rights Reserved
 */
 
 #pragma once
@@ -15,13 +15,13 @@ const u8 mpu[0x2C];
 u8 nandRedir[0x08];
 const u8 sigPat1[2];
 const u8 sigPat2[4];
-const u8 FIRMblock[4];
+const u8 writeBlock[4];
-const u8 emuInstr[5];
 
 /**************************************************
 *                   Functions
 **************************************************/
+u8 *getProc9(void *pos, u32 size);
 void getSignatures(void *pos, u32 size, u32 *off, u32 *off2);
-void getReboot(void *pos, u32 size, u32 *off);
+void *getReboot(void *pos, u32 size);
-void getfOpen(void *pos, u32 size, u32 *off);
+u32 getfOpen(void *pos, u32 size, u8 *proc9Offset);
-void getFIRMWrite(void *pos, u32 size, u32 *off);
+void *getFirmWrite(void *pos, u32 size);

source/screeninit.c

@@ -1,12 +1,48 @@
+/*
+*   screeninit.c
+*       by Aurora Wright
+*   Screen init code by dark_samus, bil1s, Normmatt, delebile and others.
+*   Screen deinit code by tiniVi.
+*
+*   Copyright (c) 2016 All Rights Reserved
+*/
+
 #include "screeninit.h"
+#include "draw.h"
 #include "i2c.h"
 
-void initLCD()
+static vu32 *const arm11 = (vu32 *)0x1FFFFFF8;
-{
+
-    vu32 *const arm11 = (u32 *)0x1FFFFFF8;
+void deinitScreens(void){
+    void __attribute__((naked)) ARM11(void){
+        //Disable interrupts
+        __asm(".word 0xF10C01C0");
+
+        //Clear ARM11 entry offset
+        *arm11 = 0;
+
+        //Shutdown LCDs
+        *(vu32 *)0x10202A44 = 0;
+        *(vu32 *)0x10202244 = 0;
+        *(vu32 *)0x10202014 = 0;
+    
+        //Wait for the entry to be set
+        while(!*arm11);
+        //Jump to it
+        ((void (*)())*arm11)();
+    }
+
+    if(PDN_GPU_CNT != 0x1){
+        *arm11 = (u32)ARM11;
+        while(*arm11);
+    }
+}
+
+void initScreens(void){
+    void __attribute__((naked)) ARM11(void){
+        //Disable interrupts
+        __asm(".word 0xF10C01C0");
 
-    void __attribute__((naked)) ARM11()
-    {
         *(vu32 *)0x10141200 = 0x1007F;
         *(vu32 *)0x10202014 = 0x00000001;
         *(vu32 *)0x1020200C &= 0xFFFEFFFE;
@@ -93,6 +129,11 @@ void initLCD()
         *(vu32 *)0x10400568 = 0x18346500;
         *(vu32 *)0x1040056c = 0x18346500;
 
+        //Set CakeBrah framebuffers
+        *((vu32 *)0x23FFFE00) = 0x18300000;
+        *((vu32 *)0x23FFFE04) = 0x18300000;
+        *((vu32 *)0x23FFFE08) = 0x18346500;
+
         //Clear ARM11 entry offset
         *arm11 = 0;
 
@@ -102,17 +143,10 @@ void initLCD()
         ((void (*)())*arm11)();
     }
 
-    //Determine if screen was already inited
+    if(PDN_GPU_CNT == 0x1){
-    if(*(vu8 *)0x10141200 != 0x1) return;
+        *arm11 = (u32)ARM11;
+        while(*arm11);
+    }
 
-    //Set CakeBrah framebuffers
+    clearScreens();
-    *(vu32 *)0x23FFFE00 = 0x18300000;
-    *(vu32 *)0x23FFFE04 = 0x18300000;
-    *(vu32 *)0x23FFFE08 = 0x18346500;
-
-    *arm11 = (u32)ARM11;
-
-    //This delay is needed for some reason
-    for(vu32 i = 0; i < 0x2000; ++i);
-    while(*arm11);
 }

source/screeninit.h

@@ -0,0 +1,17 @@
+/*
+*   screeninit.h
+*       by Aurora Wright
+*   Screen init code by dark_samus, bil1s, Normmatt, delebile and others.
+*   Screen deinit code by tiniVi.
+*
+*   Copyright (c) 2016 All Rights Reserved
+*/
+
+#pragma once
+
+#include "types.h"
+
+#define PDN_GPU_CNT (*(vu8 *)0x10141200)
+
+void deinitScreens(void);
+void initScreens(void);

source/start.s

@@ -10,7 +10,7 @@ _start:
     mcr p15, 0, r0, c5, c0, 2 @ write data access
     mcr p15, 0, r0, c5, c0, 3 @ write instruction access
 
-    @ Set MPU permissions
+    @ Set MPU permissions and cache settings
     ldr r0, =0xFFFF001D	@ ffff0000 32k
     ldr r1, =0x01FF801D	@ 01ff8000 32k
     ldr r2, =0x08000027	@ 08000000 1M
@@ -27,6 +27,10 @@ _start:
     mcr p15, 0, r5, c6, c5, 0
     mcr p15, 0, r6, c6, c6, 0
     mcr p15, 0, r7, c6, c7, 0
+    mov r0, #0x25
+    mcr p15, 0, r0, c2, c0, 0  @ data cacheable
+    mcr p15, 0, r0, c2, c0, 1  @ instruction cacheable
+    mcr p15, 0, r0, c3, c0, 0  @ data bufferable
 
     @ Enable caches
     mrc p15, 0, r0, c1, c0, 0  @ read control register
@@ -48,13 +52,5 @@ _start:
 
     bl main
 
-    @ Set cache settings
-    mov r0, #0x25
-    mcr p15, 0, r0, c3, c0, 0	@ Write bufferable 0, 2, 5
-    mcr p15, 0, r0, c2, c0, 0	@ Data cacheable 0, 2, 5
-    mcr p15, 0, r0, c2, c0, 1	@ Inst cacheable 0, 2, 5
-
-    bl startCFW
-
 .die:
     b .die

source/utils.c

@@ -0,0 +1,123 @@
+/*
+*   utils.c
+*       by Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
+*/
+
+#include "utils.h"
+#include "screeninit.h"
+#include "draw.h"
+#include "fs.h"
+#include "i2c.h"
+#include "buttons.h"
+
+//Number of options that can be configured
+#define OPTIONS 3
+
+#define COLOR_TITLE    0xFF9900
+#define COLOR_WHITE    0xFFFFFF
+#define COLOR_RED      0x0000FF
+#define COLOR_BLACK    0x000000
+
+struct options {
+    char *text[OPTIONS];
+    int pos_y[OPTIONS];
+    u32 enabled[OPTIONS];
+    u32 selected;
+};
+
+static u16 waitInput(void){
+    u32 pressedkey = 0;
+    u16 key;
+
+    //Wait for no keys to be pressed
+    while(HID_PAD);
+
+    do {
+        //Wait for a key to be pressed
+        while(!HID_PAD);
+        key = HID_PAD;
+
+        //Make sure it's pressed
+        for(u32 i = 0x13000; i; i--){
+            if (key != HID_PAD)
+                break;
+            if(i==1) pressedkey = 1;
+        }
+    } while (!pressedkey);
+
+    return key;
+}
+
+void configureCFW(const char *configPath){
+    struct options options;
+
+    options.text[0] = "( ) Updated SysNAND mode (A9LH-only)";
+    options.text[1] = "( ) Use pre-patched FIRMs";
+    options.text[2] = "( ) Force A9LH detection";
+
+    initScreens();
+
+    drawString("AuReiNand configuration", 10, 10, COLOR_TITLE);
+    drawString("Press A to select, START to save and reboot", 10, 30, COLOR_WHITE);
+
+    //Read and parse the existing configuration
+    u16 tempConfig = 0;
+    fileRead((u8 *)&tempConfig, configPath, 2);
+    for(u32 i = 0; i < OPTIONS; i++)
+        options.enabled[i] = (tempConfig >> i) & 0x1;
+
+    //Pre-select the first configuration option
+    options.selected = 0;
+
+    //Boring configuration menu
+    while(1){
+        u16 pressed = 0;
+
+        do{
+            for(u32 i = 0; i < OPTIONS; i++){
+                options.pos_y[i] = drawString(options.text[i], 10, !i ? 60 : options.pos_y[i - 1] + SPACING_VERT, options.selected == i ? COLOR_RED : COLOR_WHITE);
+                drawCharacter('x', 10 + SPACING_HORIZ, options.pos_y[i], options.enabled[i] ? (options.selected == i ? COLOR_RED : COLOR_WHITE) : COLOR_BLACK);
+            }
+            pressed = waitInput();
+        } while(!(pressed & (BUTTON_UP | BUTTON_DOWN | BUTTON_A | BUTTON_START)));
+
+        if(pressed == BUTTON_UP) options.selected = !options.selected ? OPTIONS - 1 : options.selected - 1;
+        else if(pressed == BUTTON_DOWN) options.selected = options.selected == OPTIONS - 1 ? 0 : options.selected + 1;
+        else if(pressed == BUTTON_A) options.enabled[options.selected] = !options.enabled[options.selected];
+        else if(pressed == BUTTON_START) break;
+    }
+
+    //Preserve the last-used boot options (second byte)
+    tempConfig &= 0xFF00;
+
+    //Parse and write the selected options
+    for(u32 i = 0; i < OPTIONS; i++)
+        tempConfig |= options.enabled[i] << i;
+    fileWrite((u8 *)&tempConfig, configPath, 2);
+
+    //Reboot
+    i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2);
+    while(1);
+}
+
+void deleteFirms(const char *firmPaths[], u32 firms){
+    while(firms){
+        fileDelete(firmPaths[firms - 1]);
+        firms--;
+    }
+}
+
+void error(const char *message){
+    initScreens();
+
+    drawString("An error has occurred:", 10, 10, COLOR_RED);
+    int pos_y = drawString(message, 10, 30, COLOR_WHITE);
+    drawString("Press any button to shutdown", 10, pos_y + 2 * SPACING_VERT, COLOR_WHITE);
+
+    waitInput();
+
+    //Shutdown
+    i2cWriteRegister(I2C_DEV_MCU, 0x20, 1);
+    while(1);
+}

source/utils.h

@@ -0,0 +1,13 @@
+/*
+*   utils.h
+*       by Aurora Wright
+*   Copyright (c) 2016 All Rights Reserved
+*/
+
+#pragma once
+
+#include "types.h"
+
+void configureCFW(const char *configPath);
+void deleteFirms(const char *firmPaths[], u32 firms);
+void error(const char *message);