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First proper commit.

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This commit is contained in:
Jack Walker 2020-03-17 00:31:30 -04:00
parent be78236d36
commit 087f561f77
14086 changed files with 1200489 additions and 1 deletions
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22
src/libultra_code/__osSiRawStartDma.c Normal file
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#include "libultra_internal.h"
#include <ultra64/hardware.h>
s32 __osSiRawStartDma(s32 dir, void *addr) //func_801013F0
{
if (HW_REG(SI_STATUS_REG, u32) & (SI_STATUS_DMA_BUSY | SI_STATUS_IO_READ_BUSY)){
return -1;
}
if (dir == OS_WRITE){
osWritebackDCache(addr, 0x40);
}
HW_REG(SI_DRAM_ADDR_REG, void*) = (void*)osVirtualToPhysical(addr);
if (dir == OS_READ){
HW_REG(SI_PIF_ADDR_RD64B_REG, void*) = (void*)PIF_RAM_START;
}else{
HW_REG(SI_PIF_ADDR_WR64B_REG, void*) = (void*)PIF_RAM_START;
}
if (dir == OS_READ){
osInvalDCache(addr, 0x40);
}
return 0;
}