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core/core_timing_util: Use std::chrono types for specifying time units

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Makes the interface more type-safe and consistent in terms of return
values.
This commit is contained in:
Lioncash
2019-06-04 19:52:42 -04:00
parent 79189c7e3e
commit 42f5fd0ab3
7 changed files with 43 additions and 36 deletions
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21
src/core/core_timing_util.h
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@ -4,6 +4,7 @@
#pragma once
#include <chrono>
#include "common/common_types.h"
namespace Core::Timing {
@ -13,22 +14,20 @@ namespace Core::Timing {
constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked
constexpr u64 CNTFREQ = 19200000; // Value from fusee.
s64 usToCycles(s64 us);
s64 usToCycles(u64 us);
s64 msToCycles(std::chrono::milliseconds ms);
s64 usToCycles(std::chrono::microseconds us);
s64 nsToCycles(std::chrono::nanoseconds ns);
s64 nsToCycles(s64 ns);
s64 nsToCycles(u64 ns);
inline u64 cyclesToNs(s64 cycles) {
return cycles * 1000000000 / BASE_CLOCK_RATE;
inline std::chrono::milliseconds cyclesToMs(s64 cycles) {
return std::chrono::milliseconds(cycles * 1000 / BASE_CLOCK_RATE);
}
inline s64 cyclesToUs(s64 cycles) {
return cycles * 1000000 / BASE_CLOCK_RATE;
inline std::chrono::nanoseconds cyclesToNs(s64 cycles) {
return std::chrono::nanoseconds(cycles * 1000000000 / BASE_CLOCK_RATE);
}
inline u64 cyclesToMs(s64 cycles) {
return cycles * 1000 / BASE_CLOCK_RATE;
inline std::chrono::microseconds cyclesToUs(s64 cycles) {
return std::chrono::microseconds(cycles * 1000000 / BASE_CLOCK_RATE);
}
u64 CpuCyclesToClockCycles(u64 ticks);