mirror of https://github.com/PrimeDecomp/prime.git
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
#ifndef _DOLPHIN_OS_H
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#define _DOLPHIN_OS_H
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#include "types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Upper words of the masks, since UIMM is only 16 bits
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#define OS_CACHED_REGION_PREFIX 0x8000
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#define OS_UNCACHED_REGION_PREFIX 0xC000
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#define OS_PHYSICAL_MASK 0x3FFF
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#define OS_BASE_CACHED (OS_CACHED_REGION_PREFIX << 16)
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#define OS_BASE_UNCACHED (OS_UNCACHED_REGION_PREFIX << 16)
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#ifdef __MWERKS__
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#define AT_ADDRESS(xyz) : (xyz)
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#else
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#define AT_ADDRESS
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#endif
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u32 __OSBusClock AT_ADDRESS(OS_BASE_CACHED | 0x00F8); // sync with OSLoMem.h
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u32 __OSCoreClock AT_ADDRESS(OS_BASE_CACHED | 0x00FC); // sync with OSLoMem.h
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#define OS_BUS_CLOCK __OSBusClock
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#define OS_CORE_CLOCK __OSCoreClock
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#define OS_TIMER_CLOCK (OS_BUS_CLOCK/4)
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#define OSTicksToCycles( ticks ) (((ticks) * ((OS_CORE_CLOCK * 2) / OS_TIMER_CLOCK)) / 2)
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#define OSTicksToSeconds( ticks ) ((ticks) / OS_TIMER_CLOCK)
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#define OSTicksToMilliseconds( ticks ) ((ticks) / (OS_TIMER_CLOCK / 1000))
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#define OSTicksToMicroseconds( ticks ) (((ticks) * 8) / (OS_TIMER_CLOCK / 125000))
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#define OSTicksToNanoseconds( ticks ) (((ticks) * 8000) / (OS_TIMER_CLOCK / 125000))
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#define OSSecondsToTicks( sec ) ((sec) * OS_TIMER_CLOCK)
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#define OSMillisecondsToTicks( msec ) ((msec) * (OS_TIMER_CLOCK / 1000))
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#define OSMicrosecondsToTicks( usec ) (((usec) * (OS_TIMER_CLOCK / 125000)) / 8)
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#define OSNanosecondsToTicks( nsec ) (((nsec) * (OS_TIMER_CLOCK / 125000)) / 8000)
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#define OSDiffTick(tick1, tick0) ((s32) (tick1) - (s32) (tick0))
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typedef struct OSContext {
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u32 gpr[32];
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u32 cr;
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u32 lr;
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u32 ctr;
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u32 xer;
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f64 fpr[32];
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u32 fpscr_pad;
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u32 fpscr;
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u32 srr0;
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u32 srr1;
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u16 mode;
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u16 state;
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u32 gqr[8];
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u32 psf_pad;
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f64 psf[32];
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} OSContext;
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OSTime OSGetTime();
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#ifdef __cplusplus
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}
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#endif
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#endif
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