LowLevel/Luma3DS-3GX
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Minor cleanup, added error when writing an exception dump fails

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Aurora
2016-09-06 19:17:45 +02:00
parent 96a274bf7d
commit 6686e4add7
5 changed files with 31 additions and 35 deletions
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2
exceptions/arm9/source/handlers.h
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@@ -39,7 +39,7 @@ typedef struct __attribute__((packed))
u32 additionalDataSize;
} ExceptionDumpHeader;
u32 readMPUConfig(u32 regionSettings[8]);
u32 readMPUConfig(u32 *regionSettings);
void FIQHandler(void);
void undefinedInstructionHandler(void);
void dataAbortHandler(void);

8
exceptions/arm9/source/mainHandler.c
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@@ -65,7 +65,7 @@ static u32 __attribute__((noinline)) copyMemory(void *dst, const void *src, u32
return size;
}
void __attribute__((noreturn)) mainHandler(u32 regs[REG_DUMP_SIZE / 4], u32 type)
void __attribute__((noreturn)) mainHandler(u32 *regs, u32 type)
{
ExceptionDumpHeader dumpHeader;
@@ -107,10 +107,10 @@ void __attribute__((noreturn)) mainHandler(u32 regs[REG_DUMP_SIZE / 4], u32 type
//Dump stack in place
dumpHeader.stackDumpSize = copyMemory(final, (const void *)registerDump[13], 0x1000 - (registerDump[13] & 0xFFF), 1);
//Copy header (actually optimized by the compiler)
final = (u8 *)FINAL_BUFFER;
dumpHeader.totalSize = sizeof(ExceptionDumpHeader) + dumpHeader.registerDumpSize + dumpHeader.codeDumpSize + dumpHeader.stackDumpSize + dumpHeader.additionalDataSize;
*(ExceptionDumpHeader *)final = dumpHeader;
//Copy header (actually optimized by the compiler)
*(ExceptionDumpHeader *)FINAL_BUFFER = dumpHeader;
((void (*)())0xFFFF0830)(); //Ensure that all memory transfers have completed and that the data cache has been flushed
i2cWriteRegister(I2C_DEV_MCU, 0x20, 1 << 2); //Reboot