LowLevel/Luma3DS-3GX
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Merge changes, also change the dev build variable to DEV, which must have a value of TRUE

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Aurora 2016-09-11 00:54:29 +02:00
commit 3034420ac2
6 changed files with 29 additions and 20 deletions
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6
Makefile
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@ -38,7 +38,7 @@ objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
bundled = $(dir_build)/rebootpatch.h $(dir_build)/emunandpatch.h $(dir_build)/svcGetCFWInfopatch.h $(dir_build)/injector.h $(dir_build)/loader.h
ifeq ($(strip $(BUILD)),DEV)
ifeq ($(strip $(DEV)),TRUE)
CFLAGS += -DDEV
bundled += $(dir_build)/k11modulespatch.h $(dir_build)/arm9_exceptions.h $(dir_build)/arm11_exceptions.h
title := \"$(name) $(revision) (dev) configuration\"
@ -59,7 +59,7 @@ a9lh: $(dir_out)/arm9loaderhax.bin
ninjhax: $(dir_out)/3ds/$(name)
.PHONY: release
ifeq ($(strip $(BUILD)),DEV)
ifeq ($(strip $(DEV)),TRUE)
release: $(dir_out)/$(name)$(revision)-dev.7z
else
release: $(dir_out)/$(name)$(revision).7z
@ -119,7 +119,7 @@ $(dir_build)/svcGetCFWInfopatch.h: $(dir_patches)/svcGetCFWInfo.s
$(dir_build)/injector.h: $(dir_injector)/Makefile
@mkdir -p "$(@D)"
@$(MAKE) -C $(dir_injector) BUILD=$(BUILD)
@$(MAKE) -C $(dir_injector) DEV=$(DEV)
@bin2c -o $@ -n injector $(@D)/injector.cxi
$(dir_build)/loader.h: $(dir_loader)/Makefile

2
injector/Makefile
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@ -30,7 +30,7 @@ LDFLAGS := -Xlinker --defsym="__start__=0x14000000" -specs=3dsx.specs $(ASFLAGS)
objects = $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
$(call rwildcard, $(dir_source), *.s *.c))
ifeq ($(strip $(BUILD)),DEV)
ifeq ($(strip $(DEV)),TRUE)
CFLAGS += -DDEV
endif

1
patches/svcGetCFWInfo.s
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@ -35,6 +35,7 @@
blo loop
mov r0, #0
bx lr
.pool

10
source/firm.c
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@ -365,14 +365,16 @@ static inline void patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32
#ifdef DEV
//Find Kernel11 SVC table and handler, exceptions page and free space locations
u32 baseK11VA;
u8 *freeK11Space;
u32 *arm11SvcHandler,
*arm11ExceptionsPage,
*arm11SvcTable = getKernel11Info(arm11Section1, section[1].size, &freeK11Space, &arm11SvcHandler, &arm11ExceptionsPage);
*arm11SvcTable = getKernel11Info(arm11Section1, section[1].size, &baseK11VA, &freeK11Space, &arm11SvcHandler, &arm11ExceptionsPage);
#else
//Find Kernel11 SVC table and free space locations
u32 baseK11VA;
u8 *freeK11Space;
u32 *arm11SvcTable = getKernel11Info(arm11Section1, section[1].size, &freeK11Space);
u32 *arm11SvcTable = getKernel11Info(arm11Section1, section[1].size, &baseK11VA, &freeK11Space);
#endif
//Apply signature patches
@ -398,10 +400,10 @@ static inline void patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32
patchTitleInstallMinVersionCheck(process9Offset, process9Size);
//Restore svcBackdoor
reimplementSvcBackdoor(arm11Section1, arm11SvcTable, &freeK11Space);
reimplementSvcBackdoor(arm11Section1, arm11SvcTable, baseK11VA, &freeK11Space);
}
implementSvcGetCFWInfo(arm11Section1, arm11SvcTable, &freeK11Space);
implementSvcGetCFWInfo(arm11Section1, arm11SvcTable, baseK11VA, &freeK11Space);
#ifdef DEV
//Apply UNITINFO patch

22
source/patches.c
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@ -46,13 +46,16 @@ u8 *getProcess9(u8 *pos, u32 size, u32 *process9Size, u32 *process9MemAddr)
}
#ifdef DEV
u32 *getKernel11Info(u8 *pos, u32 size, u8 **freeK11Space, u32 **arm11SvcHandler, u32 **arm11ExceptionsPage)
u32 *getKernel11Info(u8 *pos, u32 size, u32 *baseK11VA, u8 **freeK11Space, u32 **arm11SvcHandler, u32 **arm11ExceptionsPage)
{
const u8 pattern[] = {0x00, 0xB0, 0x9C, 0xE5};
*arm11ExceptionsPage = (u32 *)memsearch(pos, pattern, size, sizeof(pattern)) - 0xB;
u32 svcOffset = (-(((*arm11ExceptionsPage)[2] & 0xFFFFFF) << 2) & (0xFFFFFF << 2)) - 8; //Branch offset + 8 for prefetch
u32 *arm11SvcTable = (u32 *)(pos + *(u32 *)(pos + 0xFFFF0008 - svcOffset - 0xFFF00000 + 8) - 0xFFF00000); //SVC handler address
u32 pointedInstructionVA = 0xFFFF0008 - svcOffset;
*baseK11VA = pointedInstructionVA & 0xFFFF0000; //This assumes that the pointed instruction has an offset < 0x10000, iirc that's always the case
u32 *arm11SvcTable = (u32 *)(pos + *(u32 *)(pos + pointedInstructionVA - *baseK11VA + 8) - *baseK11VA); //SVC handler address
*arm11SvcHandler = arm11SvcTable;
while(*arm11SvcTable) arm11SvcTable++; //Look for SVC0 (NULL)
@ -63,13 +66,16 @@ u32 *getKernel11Info(u8 *pos, u32 size, u8 **freeK11Space, u32 **arm11SvcHandler
return arm11SvcTable;
}
#else
u32 *getKernel11Info(u8 *pos, u32 size, u8 **freeK11Space)
u32 *getKernel11Info(u8 *pos, u32 size, u32 *baseK11VA, u8 **freeK11Space)
{
const u8 pattern[] = {0x00, 0xB0, 0x9C, 0xE5};
u32 *arm11ExceptionsPage = (u32 *)memsearch(pos, pattern, size, sizeof(pattern)) - 0xB;
u32 svcOffset = (-((arm11ExceptionsPage[2] & 0xFFFFFF) << 2) & (0xFFFFFF << 2)) - 8; //Branch offset + 8 for prefetch
u32 *arm11SvcTable = (u32 *)(pos + *(u32 *)(pos + 0xFFFF0008 - svcOffset - 0xFFF00000 + 8) - 0xFFF00000); //SVC handler address
u32 pointedInstructionVA = 0xFFFF0008 - svcOffset;
*baseK11VA = pointedInstructionVA & 0xFFFF0000; //This assumes that the pointed instruction has an offset < 0x10000, iirc that's always the case
u32 *arm11SvcTable = (u32 *)(pos + *(u32 *)(pos + pointedInstructionVA - *baseK11VA + 8) - *baseK11VA); //SVC handler address
while(*arm11SvcTable) arm11SvcTable++; //Look for SVC0 (NULL)
const u8 pattern2[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
@ -137,7 +143,7 @@ void patchOldFirmWrites(u8 *pos, u32 size)
off[1] = 0xE01D;
}
void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space)
void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u32 baseK11VA, u8 **freeK11Space)
{
//Official implementation of svcBackdoor
const u8 svcBackdoor[40] = {0xFF, 0x10, 0xCD, 0xE3, //bic r1, sp, #0xff
@ -155,12 +161,12 @@ void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space)
{
memcpy(*freeK11Space, svcBackdoor, 40);
arm11SvcTable[0x7B] = 0xFFF00000 + *freeK11Space - pos;
arm11SvcTable[0x7B] = baseK11VA + *freeK11Space - pos;
*freeK11Space += 40;
}
}
void implementSvcGetCFWInfo(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space)
void implementSvcGetCFWInfo(u8 *pos, u32 *arm11SvcTable, u32 baseK11VA, u8 **freeK11Space)
{
memcpy(*freeK11Space, svcGetCFWInfo, svcGetCFWInfo_size);
@ -186,7 +192,7 @@ void implementSvcGetCFWInfo(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space)
info->flags = 0 /* master branch */ | ((isRelease ? 1 : 0) << 1) /* is release */;
#endif
arm11SvcTable[0x2E] = 0xFFF00000 + *freeK11Space - pos; //Stubbed svc
arm11SvcTable[0x2E] = baseK11VA + *freeK11Space - pos; //Stubbed svc
*freeK11Space += svcGetCFWInfo_size;
}

8
source/patches.h
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@ -60,9 +60,9 @@ extern bool isDevUnit;
u8 *getProcess9(u8 *pos, u32 size, u32 *process9Size, u32 *process9MemAddr);
#ifdef DEV
u32 *getKernel11Info(u8 *pos, u32 size, u8 **freeK11Space, u32 **arm11SvcHandler, u32 **arm11ExceptionsPage);
u32 *getKernel11Info(u8 *pos, u32 size, u32 *baseK11VA, u8 **freeK11Space, u32 **arm11SvcHandler, u32 **arm11ExceptionsPage);
#else
u32 *getKernel11Info(u8 *pos, u32 size, u8 **freeK11Space);
u32 *getKernel11Info(u8 *pos, u32 size, u32 *baseK11VA, u8 **freeK11Space);
#endif
void patchSignatureChecks(u8 *pos, u32 size);
@ -70,8 +70,8 @@ void patchTitleInstallMinVersionCheck(u8 *pos, u32 size);
void patchFirmlaunches(u8 *pos, u32 size, u32 process9MemAddr);
void patchFirmWrites(u8 *pos, u32 size);
void patchOldFirmWrites(u8 *pos, u32 size);
void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space);
void implementSvcGetCFWInfo(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space);
void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u32 baseK11VA, u8 **freeK11Space);
void implementSvcGetCFWInfo(u8 *pos, u32 *arm11SvcTable, u32 baseK11VA, u8 **freeK11Space);
void applyLegacyFirmPatches(u8 *pos, FirmwareType firmType);
#ifdef DEV