LowLevel/Luma3DS-3GX
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Small cleanup

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This commit is contained in:
Aurora 2016-09-02 22:56:57 +02:00
parent eba56d0f64
commit fc3a69d9ca
3 changed files with 11 additions and 17 deletions
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8
source/emunand.c
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@ -95,16 +95,14 @@ static inline void patchNandRw(u8 *pos, u32 size, u32 branchOffset)
static inline void patchMpu(u8 *pos, u32 size) static inline void patchMpu(u8 *pos, u32 size)
{ {
const u32 mpuPatch[3] = {0x00360003, 0x00200603, 0x001C0603};
//Look for MPU pattern //Look for MPU pattern
const u8 pattern[] = {0x03, 0x00, 0x24, 0x00}; const u8 pattern[] = {0x03, 0x00, 0x24, 0x00};
u32 *off = (u32 *)memsearch(pos, pattern, size, 4); u32 *off = (u32 *)memsearch(pos, pattern, size, 4);
off[0] = mpuPatch[0]; off[0] = 0x00360003;
off[6] = mpuPatch[1]; off[6] = 0x00200603;
off[9] = mpuPatch[2]; off[9] = 0x001C0603;
} }
void patchEmuNand(u8 *arm9Section, u32 arm9SectionSize, u8 *process9Offset, u32 process9Size, u32 emuHeader, u32 branchAdditive) void patchEmuNand(u8 *arm9Section, u32 arm9SectionSize, u8 *process9Offset, u32 process9Size, u32 emuHeader, u32 branchAdditive)

12
source/patches.c
View File

@ -90,29 +90,25 @@ void patchFirmlaunches(u8 *pos, u32 size, u32 process9MemAddr)
void patchFirmWrites(u8 *pos, u32 size) void patchFirmWrites(u8 *pos, u32 size)
{ {
const u16 writeBlock[2] = {0x2000, 0x46C0};
//Look for FIRM writing code //Look for FIRM writing code
u8 *const off1 = memsearch(pos, "exe:", size, 4); u8 *const off1 = memsearch(pos, "exe:", size, 4);
const u8 pattern[] = {0x00, 0x28, 0x01, 0xDA}; const u8 pattern[] = {0x00, 0x28, 0x01, 0xDA};
u16 *off2 = (u16 *)memsearch(off1 - 0x100, pattern, 0x100, 4); u16 *off2 = (u16 *)memsearch(off1 - 0x100, pattern, 0x100, 4);
off2[0] = writeBlock[0]; off2[0] = 0x2000;
off2[1] = writeBlock[1]; off2[1] = 0x46C0;
} }
void patchOldFirmWrites(u8 *pos, u32 size) void patchOldFirmWrites(u8 *pos, u32 size)
{ {
const u16 writeBlockOld[2] = {0x2400, 0xE01D};
//Look for FIRM writing code //Look for FIRM writing code
const u8 pattern[] = {0x04, 0x1E, 0x1D, 0xDB}; const u8 pattern[] = {0x04, 0x1E, 0x1D, 0xDB};
u16 *off = (u16 *)memsearch(pos, pattern, size, 4); u16 *off = (u16 *)memsearch(pos, pattern, size, 4);
off[0] = writeBlockOld[0]; off[0] = 0x2400;
off[1] = writeBlockOld[1]; off[1] = 0xE01D;
} }
void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space) void reimplementSvcBackdoor(u8 *pos, u32 *arm11SvcTable, u8 **freeK11Space)