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39 lines
993 B
C
39 lines
993 B
C
#include "PR/os_internal.h"
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#include "PR/R4300.h"
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#include "PR/rcp.h"
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#include "PR/os_pi.h"
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#include "PR/os.h"
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#include "libultra_internal.h"
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OSPiHandle CartRomHandle;
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OSPiHandle *osCartRomInit(void) {
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u32 domain;
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u32 saveMask;
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domain = 0;
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if (CartRomHandle.baseAddress == PHYS_TO_K1(PI_DOM1_ADDR2)) {
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return &CartRomHandle;
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}
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CartRomHandle.type = DEVICE_TYPE_CART;
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CartRomHandle.baseAddress = PHYS_TO_K1(PI_DOM1_ADDR2);
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osPiRawReadIo(0, &domain);
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CartRomHandle.latency = domain & 0xff;
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CartRomHandle.pulse = (domain >> 8) & 0xff;
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CartRomHandle.pageSize = (domain >> 0x10) & 0xf;
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CartRomHandle.relDuration = (domain >> 0x14) & 0xf;
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CartRomHandle.domain = PI_DOMAIN1;
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//CartRomHandle.speed = 0;
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bzero(&CartRomHandle.transferInfo, sizeof(__OSTranxInfo));
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saveMask = __osDisableInt();
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CartRomHandle.next = __osPiTable;
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__osPiTable = &CartRomHandle;
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__osRestoreInt(saveMask);
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return &CartRomHandle;
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}
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