Function DMAErrorHandler

src/dolphin/src/os/OSCache.c:187–226

}

void DMAErrorHandler(OSError error, OSContext* context, ...)
{
    u32 hid2 = PPCMfhid2();

    OSReport("Machine check received\n");
    OSReport("HID2 = 0x%x   SRR1 = 0x%x\n", hid2, context->srr1);
    if (!(hid2 & (HID2_DCHERR | HID2_DNCERR | HID2_DCMERR | HID2_DQOERR)) ||
        !(context->srr1 & SRR1_DMA_BIT))
    {
        OSReport("Machine check was not DMA/locked cache related\n");
        OSDumpContext(context);
        PPCHalt();
    }

    OSReport("DMAErrorHandler(): An error occurred while processing DMA.\n");
    OSReport("The following errors have been detected and cleared :\n");

    if (hid2 & HID2_DCHERR)
    {
        OSReport("\t- Requested a locked cache tag that was already in the cache\n");
    }

    if (hid2 & HID2_DNCERR)
    {
        OSReport("\t- DMA attempted to access normal cache\n");
    }

    if (hid2 & HID2_DCMERR)
    {
        OSReport("\t- DMA missed in data cache\n");
    }

    if (hid2 & HID2_DQOERR)
    {
        OSReport("\t- DMA queue overflowed\n");
    }

    // write hid2 back to clear the error bits
    PPCMthid2(hid2);
}

void __OSCacheInit()
{