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26 lines
903 B
C
26 lines
903 B
C
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#ifndef _ULTRA64_CONVERT_H_
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#define _ULTRA64_CONVERT_H_
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#define OS_CLOCK_RATE 62500000LL
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#define OS_CPU_COUNTER (OS_CLOCK_RATE*3/4)
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/* Macros */
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#define OS_NSEC_TO_CYCLES(n) (((u64)(n)*(OS_CPU_COUNTER/15625000LL))/(1000000000LL/15625000LL))
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#define OS_USEC_TO_CYCLES(n) (((u64)(n)*(OS_CPU_COUNTER/15625LL))/(1000000LL/15625LL))
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#define OS_CYCLES_TO_NSEC(c) (((u64)(c)*(1000000000LL/15625000LL))/(OS_CPU_COUNTER/15625000LL))
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#define OS_CYCLES_TO_USEC(c) (((u64)(c)*(1000000LL/15625LL))/(OS_CPU_COUNTER/15625LL))
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#define OS_K0_TO_PHYSICAL(x) (u32)(((char*)(x)-0x80000000))
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#define OS_K1_TO_PHYSICAL(x) (u32)(((char*)(x)-0xA0000000))
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#define OS_PHYSICAL_TO_K0(x) (void*)(((u32)(x)+0x80000000))
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#define OS_PHYSICAL_TO_K1(x) (void*)(((u32)(x)+0xA0000000))
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/* Functions */
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extern u32 osVirtualToPhysical(void*);
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extern void* osPhysicalToVirtual(u32);
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#endif
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