mirror of
https://github.com/zeldaret/oot.git
synced 2024-09-22 21:35:27 +00:00
100 lines
4.1 KiB
C
100 lines
4.1 KiB
C
#include <global.h>
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#include <ultra64/hardware.h>
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void __osDevMgrMain(void* arg) {
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OSIoMesg* ioMesg;
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OSMesg sp70;
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OSMesg sp6C;
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OSMgrArgs* arg0;
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__OSTranxInfo* transfer;
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__OSBlockInfo* block;
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s32 phi_s2;
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s32 phi_s0;
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u32 sp54;
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arg0 = (OSMgrArgs*)arg;
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ioMesg = NULL;
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while (true) {
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osRecvMesg(arg0->cmdQueue, (OSMesg)&ioMesg, OS_MESG_BLOCK);
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if ((ioMesg->piHandle != NULL) && (ioMesg->piHandle->type == DEVICE_TYPE_64DD) &&
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((ioMesg->piHandle->transferInfo.cmdType == 0) || (ioMesg->piHandle->transferInfo.cmdType == 1))) {
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transfer = &ioMesg->piHandle->transferInfo;
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block = &transfer->block[transfer->blockNum];
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transfer->sectorNum = -1;
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if (transfer->transferMode != 3) {
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block->dramAddr = (void*)((u32)block->dramAddr - block->sectorSize);
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}
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phi_s2 = ((transfer->transferMode == 2) && (ioMesg->piHandle->transferInfo.cmdType == 0)) ? 1 : 0;
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osRecvMesg(arg0->acccessQueue, &sp6C, OS_MESG_BLOCK);
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__osResetGlobalIntMask(0x00100401);
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__osEPiRawWriteIo(ioMesg->piHandle, 0x05000510, transfer->bmCtlShadow | 0x80000000);
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while (true) {
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osRecvMesg(arg0->eventQueue, &sp70, OS_MESG_BLOCK);
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transfer = &ioMesg->piHandle->transferInfo;
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block = &transfer->block[transfer->blockNum];
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if (block->errStatus == 0x1D) {
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__osEPiRawWriteIo(ioMesg->piHandle, 0x05000510, transfer->bmCtlShadow | 0x10000000);
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__osEPiRawWriteIo(ioMesg->piHandle, 0x05000510, transfer->bmCtlShadow);
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__osEPiRawReadIo(ioMesg->piHandle, 0x05000508, &sp54);
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if (sp54 & 0x02000000) {
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__osEPiRawWriteIo(ioMesg->piHandle, 0x05000510, transfer->bmCtlShadow | 0x1000000);
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}
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block->errStatus = 4;
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HW_REG(PI_STATUS_REG, u32) = PI_STATUS_CLEAR_INTR;
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__osSetGlobalIntMask(0x00100C01);
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}
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osSendMesg(ioMesg->hdr.retQueue, ioMesg, OS_MESG_NOBLOCK);
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if ((phi_s2 != 1) || (ioMesg->piHandle->transferInfo.block[0].errStatus != 0)) {
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break;
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}
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phi_s2 = 0;
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}
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osSendMesg(arg0->acccessQueue, 0, OS_MESG_NOBLOCK);
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if (ioMesg->piHandle->transferInfo.blockNum == 1) {
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osYieldThread();
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}
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} else {
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switch (ioMesg->hdr.type) {
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case 11:
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osRecvMesg(arg0->acccessQueue, &sp6C, OS_MESG_BLOCK);
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phi_s0 = arg0->piDmaCallback(OS_READ, ioMesg->devAddr, ioMesg->dramAddr, ioMesg->size);
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break;
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case 12:
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osRecvMesg(arg0->acccessQueue, &sp6C, OS_MESG_BLOCK);
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phi_s0 = arg0->piDmaCallback(OS_WRITE, ioMesg->devAddr, ioMesg->dramAddr, ioMesg->size);
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break;
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case 15:
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osRecvMesg(arg0->acccessQueue, &sp6C, OS_MESG_BLOCK);
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phi_s0 = arg0->epiDmaCallback(ioMesg->piHandle, OS_READ, ioMesg->devAddr, ioMesg->dramAddr,
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ioMesg->size);
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break;
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case 16:
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osRecvMesg(arg0->acccessQueue, &sp6C, OS_MESG_BLOCK);
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phi_s0 = arg0->epiDmaCallback(ioMesg->piHandle, OS_WRITE, ioMesg->devAddr, ioMesg->dramAddr,
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ioMesg->size);
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break;
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case 10:
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osSendMesg(ioMesg->hdr.retQueue, ioMesg, OS_MESG_NOBLOCK);
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phi_s0 = -1;
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break;
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default:
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phi_s0 = -1;
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break;
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}
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if (phi_s0 == 0) {
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osRecvMesg(arg0->eventQueue, &sp70, OS_MESG_BLOCK);
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osSendMesg(ioMesg->hdr.retQueue, ioMesg, OS_MESG_NOBLOCK);
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osSendMesg(arg0->acccessQueue, NULL, OS_MESG_NOBLOCK);
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}
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}
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}
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}
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