31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
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#include "libultra_internal.h"
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#include "hardware.h"
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// this file must include some globally referenced data because it is not called anywhere
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// data, comes shortly before _Ldtob I think, before crash_screen
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extern OSPiHandle *D_80302DFC;
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// bss
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OSPiHandle LeoDiskHandle;
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OSPiHandle *__osDiskHandle;
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// some kind of piHandle init function, maybe osDriveRomInit or osCartRomInit
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OSPiHandle *osLeoDiskInit() {
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s32 sp1c;
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LeoDiskHandle.type = 2;
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LeoDiskHandle.baseAddress = (0xa0000000 | 0x05000000);
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LeoDiskHandle.latency = 3;
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LeoDiskHandle.pulse = 6;
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LeoDiskHandle.pageSize = 6;
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LeoDiskHandle.relDuration = 2;
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HW_REG(PI_BSD_DOM2_LAT_REG, u32) = LeoDiskHandle.latency;
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HW_REG(PI_BSD_DOM2_PWD_REG, u32) = LeoDiskHandle.pulse;
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HW_REG(PI_BSD_DOM2_PGS_REG, u32) = LeoDiskHandle.pageSize;
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HW_REG(PI_BSD_DOM2_RLS_REG, u32) = LeoDiskHandle.relDuration;
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bzero(&LeoDiskHandle.transferInfo, sizeof(__OSTranxInfo));
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sp1c = __osDisableInt();
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LeoDiskHandle.next = D_80302DFC;
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D_80302DFC = &LeoDiskHandle;
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__osDiskHandle = &LeoDiskHandle;
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__osRestoreInt(sp1c);
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return &LeoDiskHandle;
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}
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