LowLevel/Luma3DS-3GX
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This commit is contained in:
Aurora 2016-02-19 04:53:19 +01:00
parent 02bed5d37d
commit 8872a243fc
2 changed files with 7 additions and 4 deletions
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10
source/firm.c
View File

@ -25,16 +25,17 @@ u8 loadFirm(u8 a9lh){
pressed = HID_PAD; pressed = HID_PAD;
section = firmLocation->section; section = firmLocation->section;
//If L and R are pressed, boot SysNAND with the 9.0 FIRM
if((pressed & BUTTON_L1R1) == BUTTON_L1R1) mode = 0; if((pressed & BUTTON_L1R1) == BUTTON_L1R1) mode = 0;
//If L and R are pressed, boot SysNAND with the NAND FIRM //If not using an A9LH setup, do so by decrypting FIRM0
if(!a9lh && !fileSize("/rei/installeda9lh") && !mode){ if(!a9lh && !fileSize("/rei/installeda9lh") && !mode){
//Read FIRM from NAND and write to FCRAM //Read FIRM from NAND and write to FCRAM
firmSize = console ? 0xF2000 : 0xE9000; firmSize = console ? 0xF2000 : 0xE9000;
nandFirm0((u8*)firmLocation, firmSize, console); nandFirm0((u8*)firmLocation, firmSize, console);
if(memcmp((u8*)firmLocation, "FIRM", 4) != 0) return 1; if(memcmp((u8*)firmLocation, "FIRM", 4) != 0) return 1;
} }
//Load FIRM from SDCard //Load FIRM from SD
else{ else{
if (!mode){ if (!mode){
char firmPath[] = "/rei/firmware90.bin"; char firmPath[] = "/rei/firmware90.bin";
@ -100,7 +101,7 @@ u8 loadEmu(void){
//Patches //Patches
u8 patchFirm(void){ u8 patchFirm(void){
//If L is pressed, boot SysNAND with the SDCard FIRM //If L is pressed, boot SysNAND with the SD FIRM
if(mode && !(pressed & BUTTON_L1)) if (loadEmu()) return 1; if(mode && !(pressed & BUTTON_L1)) if (loadEmu()) return 1;
u32 sigOffset = 0, u32 sigOffset = 0,
@ -111,6 +112,7 @@ u8 patchFirm(void){
memcpy((u8*)sigOffset, sigPat1, sizeof(sigPat1)); memcpy((u8*)sigOffset, sigPat1, sizeof(sigPat1));
memcpy((u8*)sigOffset2, sigPat2, sizeof(sigPat2)); memcpy((u8*)sigOffset2, sigPat2, sizeof(sigPat2));
//Apply FIRM reboot patch. Not needed with A9LH and N3DS.
if(!console && !a9lh && mode && if(!console && !a9lh && mode &&
((fileSize("/rei/reversereboot") > 0) == (pressed & BUTTON_A))){ ((fileSize("/rei/reversereboot") > 0) == (pressed & BUTTON_A))){
u32 rebootOffset = 0, u32 rebootOffset = 0,
@ -129,7 +131,7 @@ u8 patchFirm(void){
if (!size) return 1; if (!size) return 1;
fileRead((u8*)rebootOffset2, path, size); fileRead((u8*)rebootOffset2, path, size);
//Write patched FIRM to SDCard //Write patched FIRM to SD
if (fileWrite((u8*)firmLocation, PATCHED_FIRM_PATH, firmSize) != 0) return 1; if (fileWrite((u8*)firmLocation, PATCHED_FIRM_PATH, firmSize) != 0) return 1;
} }

1
source/main.c
View File

@ -14,6 +14,7 @@ u8 a9lh = 0;
u8 main(){ u8 main(){
mountSD(); mountSD();
//Detect A9LH mode checking PDN_GPU_CNT2 register.
if (!*((u32*)0x10141204)) a9lh = 1; if (!*((u32*)0x10141204)) a9lh = 1;
else loadSplash(); else loadSplash();
if (loadFirm(a9lh)) return 1; if (loadFirm(a9lh)) return 1;