26 lines
543 B
C
26 lines
543 B
C
#include "libultra_internal.h"
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#include "hardware.h"
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s32 __osSiRawStartDma(s32 dir, void *addr) {
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if (__osSiDeviceBusy()) {
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return -1;
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}
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if (dir == OS_WRITE) {
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osWritebackDCache(addr, 64);
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}
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HW_REG(SI_DRAM_ADDR_REG, void *) = (void *) osVirtualToPhysical(addr);
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if (dir == OS_READ) {
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HW_REG(SI_PIF_ADDR_RD64B_REG, u32) = 0x1FC007C0;
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} else {
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HW_REG(SI_PIF_ADDR_WR64B_REG, u32) = 0x1FC007C0;
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}
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if (dir == OS_READ) {
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osInvalDCache(addr, 64);
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}
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return 0;
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}
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