148 lines
4.7 KiB
C
148 lines
4.7 KiB
C
#include "libultra_internal.h"
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#include "hardware.h"
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#include "new_func.h"
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#include "macros.h"
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#ifdef VERSION_EU
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u32 D_802F4380() {
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u32 sp3c;
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u32 sp38;
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u32 sp34;
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__OSTranxInfo *sp30;
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__OSBlockInfo *sp2c;
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u32 sp28;
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UNUSED __OSBlockInfo *sp24;
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if (!EU_D_80302090) {
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return 0;
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}
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sp30 = &__osDiskHandle->transferInfo;
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sp2c = &sp30->block[sp30->blockNum];
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sp38 = HW_REG(PI_STATUS_REG, u32);
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if (sp38 & PI_STATUS_BUSY) {
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HW_REG(PI_STATUS_REG, u32) = PI_STATUS_RESET_CONTROLLER | PI_STATUS_CLEAR_INTR;
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WAIT_ON_IOBUSY(sp38);
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sp3c = HW_REG(ASIC_STATUS, u32);
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if (sp3c & MECHANIC_INTERRUPT) {
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WAIT_ON_IOBUSY(sp38);
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HW_REG(ASIC_BM_CTL, u32) = sp30->bmCtlShadow | MECHANIC_INTERRUPT_RESET;
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}
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sp30->unk10 = 75;
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func_802F4A20();
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return 1;
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}
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WAIT_ON_IOBUSY(sp38);
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sp3c = HW_REG(ASIC_STATUS, u32);
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if (sp3c & MECHANIC_INTERRUPT) {
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WAIT_ON_IOBUSY(sp38);
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HW_REG(ASIC_BM_CTL, u32) = sp30->bmCtlShadow | MECHANIC_INTERRUPT_RESET;
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sp30->unk10 = 0;
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return 0;
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}
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if (sp3c & BUFFER_MANAGER_ERROR) {
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sp30->unk10 = 3;
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func_802F4A20();
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return 1;
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}
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if (sp30->cmdType == 1) {
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if ((sp3c & DATA_REQUEST) == 0) {
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if (sp30->sectorNum + 1 != sp30->transferMode * 85) {
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sp30->unk10 = 6;
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func_802F4A20();
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return 1;
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}
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HW_REG(PI_STATUS_REG, u32) = PI_STATUS_CLEAR_INTR;
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D_8030208C |= 0x00100401;
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sp30->unk10 = 0;
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func_802F4B08();
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return 1;
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}
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sp2c->dramAddr = (void *) ((u32) sp2c->dramAddr + sp2c->sectorSize);
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sp30->sectorNum += 1;
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osEPiRawStartDma(__osDiskHandle, 1, 0x05000400, sp2c->dramAddr, sp2c->sectorSize);
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return 1;
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}
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if (sp30->cmdType == 0) {
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if (sp30->transferMode == 3) {
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if ((s32)(sp2c->C1ErrNum + 17) < sp30->sectorNum) {
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sp30->unk10 = 0;
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func_802F4A20();
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return 1;
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}
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if ((sp3c & DATA_REQUEST) == 0) {
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sp30->unk10 = 17;
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func_802F4A20();
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return 1;
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}
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} else {
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sp2c->dramAddr = (void *) ((u32) sp2c->dramAddr + sp2c->sectorSize);
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}
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sp34 = HW_REG(ASIC_BM_STATUS, u32);
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if (((C1_SINGLE & sp34) && (C1_DOUBLE & sp34)) || (sp34 & MICRO_STATUS))
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{
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if (sp2c->C1ErrNum > 3) {
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if (sp30->transferMode != 3 || sp30->sectorNum > 0x52) {
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sp30->unk10 = 17;
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func_802F4A20();
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return 1;
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}
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} else {
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sp28 = sp2c->C1ErrNum;
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sp2c->C1ErrSector[sp28] = sp30->sectorNum + 1;
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}
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sp2c->C1ErrNum += 1;
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}
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if (sp3c & C2_TRANSFER) {
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if (sp30->sectorNum != 87) {
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sp30->unk10 = 6;
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func_802F4A20();
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}
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if (sp30->transferMode == 2 && sp30->blockNum == 0) {
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sp30->blockNum = 1;
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sp30->sectorNum = -1;
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sp30->block[1].dramAddr =
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(void *) ((u32) sp30->block[1].dramAddr - sp30->block[1].sectorSize);
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} else {
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HW_REG(PI_STATUS_REG, u32) = PI_STATUS_CLEAR_INTR;
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D_8030208C |= 0x00100401;
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}
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osEPiRawStartDma(__osDiskHandle, 0, 0x5000000, sp2c->C2Addr, sp2c->sectorSize * 4);
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sp30->unk10 = 0;
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return 1;
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}
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if (sp30->sectorNum == -1 && sp30->transferMode == 2 && sp30->blockNum == 1) {
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sp24 = &sp30->block[0];
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if (sp30->block[0].C1ErrNum == 0) {
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if (((u32 *) sp30->block[0].C2Addr)[0] | ((u32 *) sp30->block[0].C2Addr)[1]
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| ((u32 *) sp30->block[0].C2Addr)[2] | ((u32 *) sp30->block[0].C2Addr)[3]) {
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sp30->unk10 = 6;
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func_802F4A20();
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return 1;
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}
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}
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sp30->unk10 = 0;
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func_802F4B08();
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}
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sp30->sectorNum += 1;
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if (sp3c & DATA_REQUEST) {
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if (sp30->sectorNum > 0x54) {
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sp30->unk10 = 6;
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func_802F4A20();
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return 1;
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}
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osEPiRawStartDma(__osDiskHandle, 0, 0x05000400, sp2c->dramAddr, sp2c->sectorSize);
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sp30->unk10 = 0;
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return 1;
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}
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if (sp30->sectorNum <= 0x54) {
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sp30->unk10 = 6;
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func_802F4A20();
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return 1;
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}
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return 1;
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}
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sp30->unk10 = 75;
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func_802F4A20();
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return 1;
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}
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#endif
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