GitHub/skyline
2
0
Fork 0
mirror of https://github.com/skyline-emu/skyline.git synced 2024-12-27 00:55:28 +03:00
Code Issues Packages Projects Releases Wiki Activity

Make GetTimeTicks return the time in guest ticks as opposed to host

Browse Source 
This is required by audren.
This commit is contained in:
Billy Laws 2023-03-15 17:53:01 +00:00
parent d5a15faab7
commit 7d573db80b
1 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
app/src/main/cpp/skyline/common/utils.h
View File

@ -49,25 +49,27 @@ namespace skyline::util {
inline const u64 ClockFrequency{detail::InitFrequency()}; //!< The system counter clock frequency in Hz
template<i64 TargetFrequency>
inline i64 GetTimeScaled() {
u64 frequency{ClockFrequency};
u64 ticks;
asm volatile("MRS %0, CNTVCT_EL0" : "=r"(ticks));
return static_cast<i64>(((ticks / frequency) * TargetFrequency) + (((ticks % frequency) * TargetFrequency + (frequency / 2)) / frequency));
}
/**
* @brief Returns the current time in nanoseconds
* @return The current time in nanoseconds
*/
inline i64 GetTimeNs() {
u64 frequency{ClockFrequency};
u64 ticks;
asm volatile("MRS %0, CNTVCT_EL0" : "=r"(ticks));
return static_cast<i64>(((ticks / frequency) * constant::NsInSecond) + (((ticks % frequency) * constant::NsInSecond + (frequency / 2)) / frequency));
return GetTimeScaled<constant::NsInSecond>();
}
/**
* @brief Returns the current time in arbitrary ticks
* @return The current time in ticks
* @return The current time in guest ticks
*/
inline u64 GetTimeTicks() {
u64 ticks;
asm volatile("MRS %0, CNTVCT_EL0" : "=r"(ticks));
return ticks;
constexpr i64 TegraX1ClockFrequency{19200000}; // The clock frequency of the Tegra X1 (19.2 MHz)
return static_cast<u64>(GetTimeScaled<TegraX1ClockFrequency>());
}
/**