LowLevel/Luma3DS-3GX
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Fix derp

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Aurora 2016-10-10 23:46:25 +02:00
parent 66c041ad93
commit 45c36bbcae
1 changed files with 18 additions and 4 deletions
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22
source/emunand.c
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@ -98,11 +98,20 @@ void locateEmuNand(u32 *emuHeader, FirmwareSource *nandType)
static inline u32 getFreeK9Space(u8 *pos, u32 size, u8 **freeK9Space) static inline u32 getFreeK9Space(u8 *pos, u32 size, u8 **freeK9Space)
{ {
const u8 pattern[] = {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00}; const u8 pattern[] = {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00};
u32 ret;
//Looking for the last free space before Process9 //Looking for the last free space before Process9
*freeK9Space = memsearch(pos, pattern, size, sizeof(pattern)) + 0x455; *freeK9Space = memsearch(pos, pattern, size, sizeof(pattern));
return *freeK9Space == NULL ? 1 : 0; if(*freeK9Space == NULL) ret = 1;
else
{
*freeK9Space += 0x455;
ret = 0;
}
return ret;
} }
static inline u32 getSdmmc(u8 *pos, u32 size, u32 *sdmmc) static inline u32 getSdmmc(u8 *pos, u32 size, u32 *sdmmc)
@ -117,6 +126,7 @@ static inline u32 getSdmmc(u8 *pos, u32 size, u32 *sdmmc)
else else
{ {
*sdmmc = *(u32 *)(off + 9) + *(u32 *)(off + 0xD); *sdmmc = *(u32 *)(off + 9) + *(u32 *)(off + 0xD);
ret = 0; ret = 0;
} }
@ -127,7 +137,7 @@ static inline u32 patchNandRw(u8 *pos, u32 size, u32 branchOffset)
{ {
//Look for read/write code //Look for read/write code
const u8 pattern[] = {0x1E, 0x00, 0xC8, 0x05}; const u8 pattern[] = {0x1E, 0x00, 0xC8, 0x05};
u32 ret = 0; u32 ret;
u16 *readOffset = (u16 *)memsearch(pos, pattern, size, sizeof(pattern)); u16 *readOffset = (u16 *)memsearch(pos, pattern, size, sizeof(pattern));
@ -145,6 +155,8 @@ static inline u32 patchNandRw(u8 *pos, u32 size, u32 branchOffset)
*readOffset = *writeOffset = 0x4C00; *readOffset = *writeOffset = 0x4C00;
readOffset[1] = writeOffset[1] = 0x47A0; readOffset[1] = writeOffset[1] = 0x47A0;
((u32 *)writeOffset)[1] = ((u32 *)readOffset)[1] = branchOffset; ((u32 *)writeOffset)[1] = ((u32 *)readOffset)[1] = branchOffset;
ret = 0;
} }
} }
@ -165,6 +177,7 @@ static inline u32 patchMpu(u8 *pos, u32 size)
off[0] = 0x00360003; off[0] = 0x00360003;
off[6] = 0x00200603; off[6] = 0x00200603;
off[9] = 0x001C0603; off[9] = 0x001C0603;
ret = 0; ret = 0;
} }
@ -175,11 +188,12 @@ u32 patchEmuNand(u8 *arm9Section, u32 arm9SectionSize, u8 *process9Offset, u32 p
{ {
u32 ret = 0; u32 ret = 0;
//Copy EmuNAND code
u8 *freeK9Space; u8 *freeK9Space;
ret += getFreeK9Space(arm9Section, arm9SectionSize, &freeK9Space); ret += getFreeK9Space(arm9Section, arm9SectionSize, &freeK9Space);
if(!ret) if(!ret)
{ {
//Copy EmuNAND code
memcpy(freeK9Space, emunand_bin, emunand_bin_size); memcpy(freeK9Space, emunand_bin, emunand_bin_size);
//Add the data of the found EmuNAND //Add the data of the found EmuNAND