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Indicate how to boot safe_firm from 1.x/2.x

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This commit is contained in:
TuxSH 2020-12-18 23:59:51 +00:00
parent 2fcd2d862d
commit 168647e0f8
1 changed files with 9 additions and 4 deletions
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13
arm9/source/firm.c
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@ -193,6 +193,7 @@ u32 loadNintendoFirm(FirmwareType *firmType, FirmwareSource nandType, bool loadF
//We can't boot < 3.x EmuNANDs
if(nandType != FIRMWARE_SYSNAND) error("An old unsupported EmuNAND has been detected.\nLuma3DS is unable to boot it.");
//If you want to use SAFE_FIRM on 1.0, use Luma from NAND & comment this line:
if(isSafeMode) error("SAFE_MODE is not supported on 1.x/2.x FIRM.");
*firmType = NATIVE_FIRM1X2X;
@ -429,6 +430,10 @@ u32 patchTwlFirm(u32 firmVersion, bool loadFromStorage, bool doUnitinfoPatch)
{
u8 *arm9Section = (u8 *)firm + firm->section[3].offset;
// Below 3.0, do not actually do anything.
if(!ISN3DS && firmVersion < 0xC)
return 0;
//On N3DS, decrypt Arm9Bin and patch Arm9 entrypoint to skip kernel9loader
if(ISN3DS)
{
@ -525,6 +530,10 @@ u32 patch1x2xNativeAndSafeFirm(void)
ret += patchArm9ExceptionHandlersInstall(arm9Section, kernel9Size);
ret += patchSvcBreak9(arm9Section, kernel9Size, (u32)firm->section[2].address);
//Apply firmlaunch patches
//Doesn't work here if Luma is on SD. If you want to use SAFE_FIRM on 1.0, use Luma from NAND & uncomment this line:
//ret += patchFirmlaunches(process9Offset, process9Size, process9MemAddr);
if(ISN3DS && CONFIG(ENABLESAFEFIRMROSALINA))
{
u8 *arm11Section1 = (u8 *)firm + firm->section[1].offset;
@ -540,10 +549,6 @@ u32 patch1x2xNativeAndSafeFirm(void)
// Add some other patches to the mix, as we can now launch homebrew on SAFE_FIRM:
//Apply firmlaunch patches
//Or don't, this makes usm not work
//ret += patchFirmlaunches(process9Offset, process9Size, process9MemAddr);
ret += patchKernel9Panic(arm9Section, kernel9Size);
ret += patchP9AccessChecks(process9Offset, process9Size);