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oot/include/ultra64/convert.h
Tharo 93096a45b6
More documentation for IrqMgr (#1144)
* doc irqmgr

* Fix

* Format

* Review suggestions

* Fix

* Some more review

* Further changes
2022-03-13 19:22:14 -04:00

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C

#ifndef ULTRA64_CONVERT_H
#define ULTRA64_CONVERT_H
#define OS_CLOCK_RATE 62500000LL
#define OS_CPU_COUNTER (OS_CLOCK_RATE*3/4)
#define OS_NSEC_TO_CYCLES(n) (((u64)(n)*(OS_CPU_COUNTER/15625000LL))/(1000000000LL/15625000LL))
#define OS_USEC_TO_CYCLES(n) (((u64)(n)*(OS_CPU_COUNTER/15625LL))/(1000000LL/15625LL))
#define OS_CYCLES_TO_NSEC(c) (((u64)(c)*(1000000000LL/15625000LL))/(OS_CPU_COUNTER/15625000LL))
#define OS_CYCLES_TO_USEC(c) (((u64)(c)*(1000000LL/15625LL))/(OS_CPU_COUNTER/15625LL))
#define OS_K0_TO_PHYSICAL(x) (u32)(((char*)(x)-0x80000000))
#define OS_K1_TO_PHYSICAL(x) (u32)(((char*)(x)-0xA0000000))
#define OS_PHYSICAL_TO_K0(x) (void*)(((u32)(x)+0x80000000))
#define OS_PHYSICAL_TO_K1(x) (void*)(((u32)(x)+0xA0000000))
#define OS_MSEC_TO_CYCLES(n) OS_USEC_TO_CYCLES((n) * 1000)
#define OS_SEC_TO_CYCLES(n) OS_MSEC_TO_CYCLES((n) * 1000)
#endif