summaryrefslogtreecommitdiffstats
path: root/src/core/core_timing.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/core_timing.h')
-rw-r--r--src/core/core_timing.h51
1 files changed, 4 insertions, 47 deletions
diff --git a/src/core/core_timing.h b/src/core/core_timing.h
index 9d3c1d05c..dc31124a8 100644
--- a/src/core/core_timing.h
+++ b/src/core/core_timing.h
@@ -18,17 +18,14 @@
*/
#include <functional>
-#include <limits>
#include <string>
#include "common/common_types.h"
-#include "common/logging/log.h"
namespace CoreTiming {
// The below clock rate is based on Switch's clockspeed being widely known as 1.020GHz
// The exact value used is of course unverified.
constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked
-constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE;
inline s64 msToCycles(int ms) {
// since ms is int there is no way to overflow
@@ -51,29 +48,9 @@ inline s64 usToCycles(int us) {
return (BASE_CLOCK_RATE * static_cast<s64>(us) / 1000000);
}
-inline s64 usToCycles(s64 us) {
- if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_ERROR(Core_Timing, "Integer overflow, use max value");
- return std::numeric_limits<s64>::max();
- }
- if (us > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_DEBUG(Core_Timing, "Time very big, do rounding");
- return BASE_CLOCK_RATE * (us / 1000000);
- }
- return (BASE_CLOCK_RATE * us) / 1000000;
-}
+s64 usToCycles(s64 us);
-inline s64 usToCycles(u64 us) {
- if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_ERROR(Core_Timing, "Integer overflow, use max value");
- return std::numeric_limits<s64>::max();
- }
- if (us > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_DEBUG(Core_Timing, "Time very big, do rounding");
- return BASE_CLOCK_RATE * static_cast<s64>(us / 1000000);
- }
- return (BASE_CLOCK_RATE * static_cast<s64>(us)) / 1000000;
-}
+s64 usToCycles(u64 us);
inline s64 nsToCycles(float ns) {
return static_cast<s64>(BASE_CLOCK_RATE * (0.000000001f) * ns);
@@ -83,29 +60,9 @@ inline s64 nsToCycles(int ns) {
return BASE_CLOCK_RATE * static_cast<s64>(ns) / 1000000000;
}
-inline s64 nsToCycles(s64 ns) {
- if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_ERROR(Core_Timing, "Integer overflow, use max value");
- return std::numeric_limits<s64>::max();
- }
- if (ns > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_DEBUG(Core_Timing, "Time very big, do rounding");
- return BASE_CLOCK_RATE * (ns / 1000000000);
- }
- return (BASE_CLOCK_RATE * ns) / 1000000000;
-}
+s64 nsToCycles(s64 ns);
-inline s64 nsToCycles(u64 ns) {
- if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_ERROR(Core_Timing, "Integer overflow, use max value");
- return std::numeric_limits<s64>::max();
- }
- if (ns > MAX_VALUE_TO_MULTIPLY) {
- NGLOG_DEBUG(Core_Timing, "Time very big, do rounding");
- return BASE_CLOCK_RATE * (static_cast<s64>(ns) / 1000000000);
- }
- return (BASE_CLOCK_RATE * static_cast<s64>(ns)) / 1000000000;
-}
+s64 nsToCycles(u64 ns);
inline u64 cyclesToNs(s64 cycles) {
return cycles * 1000000000 / BASE_CLOCK_RATE;