LowLevel/Luma3DS-3GX
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Fix yet another derp

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Aurora 2016-08-30 22:41:27 +02:00
parent b6d91375a5
commit 7e8cf84c42
1 changed files with 5 additions and 4 deletions
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9
source/patches.c
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@ -344,10 +344,6 @@ void patchK11ModuleChecks(u8 *pos, u32 size, u8 **freeK11Space)
//We have to detour a function in the ARM11 kernel because builtin modules //We have to detour a function in the ARM11 kernel because builtin modules
//are compressed in memory and are only decompressed at runtime. //are compressed in memory and are only decompressed at runtime.
//Inject our code into the free space
memcpy(*freeK11Space, k11modules, k11modules_size);
(*freeK11Space) += k11modules_size;
//Find the code that decompresses the .code section of the builtin modules and detour it with a jump to our code //Find the code that decompresses the .code section of the builtin modules and detour it with a jump to our code
const u8 pattern[] = { 0x00, 0x00, 0x94, 0xE5, 0x18, 0x10, 0x90, 0xE5, 0x28, 0x20, const u8 pattern[] = { 0x00, 0x00, 0x94, 0xE5, 0x18, 0x10, 0x90, 0xE5, 0x28, 0x20,
0x90, 0xE5, 0x48, 0x00, 0x9D, 0xE5 }; 0x90, 0xE5, 0x48, 0x00, 0x9D, 0xE5 };
@ -357,11 +353,16 @@ void patchK11ModuleChecks(u8 *pos, u32 size, u8 **freeK11Space)
//We couldn't find the code that decompresses the module //We couldn't find the code that decompresses the module
if(off == NULL) return; if(off == NULL) return;
//Inject our code into the free space
memcpy(*freeK11Space, k11modules, k11modules_size);
//Inject a jump instruction to our code at the offset we found //Inject a jump instruction to our code at the offset we found
//Construct a jump (BL) instruction to our code //Construct a jump (BL) instruction to our code
u32 offset = ((((u32)*freeK11Space) - ((u32)off + 8)) >> 2) & 0xFFFFFF; u32 offset = ((((u32)*freeK11Space) - ((u32)off + 8)) >> 2) & 0xFFFFFF;
*off = offset | (1 << 24) | (0x5 << 25) | (0xE << 28); *off = offset | (1 << 24) | (0x5 << 25) | (0xE << 28);
(*freeK11Space) += k11modules_size;
} }
void patchP9AccessChecks(u8 *pos, u32 size) void patchP9AccessChecks(u8 *pos, u32 size)