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Rework time service to fix time passing offline.

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This commit is contained in:
Kelebek1 2023-10-29 13:50:55 +00:00
parent a560b9f5a2
commit e4915fb7d2
144 changed files with 8734 additions and 3972 deletions
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24
src/common/arm64/native_clock.cpp
View file

@ -30,27 +30,27 @@ NativeClock::NativeClock() {
}
std::chrono::nanoseconds NativeClock::GetTimeNS() const {
return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_cntfrq_factor)};
return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_cntfrq_factor)};
}
std::chrono::microseconds NativeClock::GetTimeUS() const {
return std::chrono::microseconds{MultiplyHigh(GetHostTicksElapsed(), us_cntfrq_factor)};
return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_cntfrq_factor)};
}
std::chrono::milliseconds NativeClock::GetTimeMS() const {
return std::chrono::milliseconds{MultiplyHigh(GetHostTicksElapsed(), ms_cntfrq_factor)};
return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_cntfrq_factor)};
}
u64 NativeClock::GetCNTPCT() const {
return MultiplyHigh(GetHostTicksElapsed(), guest_cntfrq_factor);
s64 NativeClock::GetCNTPCT() const {
return MultiplyHigh(GetUptime(), guest_cntfrq_factor);
}
u64 NativeClock::GetGPUTick() const {
return MultiplyHigh(GetHostTicksElapsed(), gputick_cntfrq_factor);
s64 NativeClock::GetGPUTick() const {
return MultiplyHigh(GetUptime(), gputick_cntfrq_factor);
}
u64 NativeClock::GetHostTicksNow() const {
u64 cntvct_el0 = 0;
s64 NativeClock::GetUptime() const {
s64 cntvct_el0 = 0;
asm volatile("dsb ish\n\t"
"mrs %[cntvct_el0], cntvct_el0\n\t"
"dsb ish\n\t"
@ -58,15 +58,11 @@ u64 NativeClock::GetHostTicksNow() const {
return cntvct_el0;
}
u64 NativeClock::GetHostTicksElapsed() const {
return GetHostTicksNow();
}
bool NativeClock::IsNative() const {
return true;
}
u64 NativeClock::GetHostCNTFRQ() {
s64 NativeClock::GetHostCNTFRQ() {
u64 cntfrq_el0 = 0;
std::string_view board{""};
#ifdef ANDROID

10
src/common/arm64/native_clock.h
View file

@ -17,17 +17,15 @@ public:
std::chrono::milliseconds GetTimeMS() const override;
u64 GetCNTPCT() const override;
s64 GetCNTPCT() const override;
u64 GetGPUTick() const override;
s64 GetGPUTick() const override;
u64 GetHostTicksNow() const override;
u64 GetHostTicksElapsed() const override;
s64 GetUptime() const override;
bool IsNative() const override;
static u64 GetHostCNTFRQ();
static s64 GetHostCNTFRQ();
public:
using FactorType = unsigned __int128;

2
src/common/memory_detect.h
View file

@ -18,4 +18,4 @@ struct MemoryInfo {
*/
[[nodiscard]] const MemoryInfo& GetMemInfo();
} // namespace Common
} // namespace Common

13
src/common/settings.h
View file

@ -419,9 +419,16 @@ struct Values {
linkage, false, "custom_rtc_enabled", Category::System, Specialization::Paired, true, true};
SwitchableSetting<s64> custom_rtc{
linkage, 0, "custom_rtc", Category::System, Specialization::Time,
true, true, &custom_rtc_enabled};
// Set on game boot, reset on stop. Seconds difference between current time and `custom_rtc`
s64 custom_rtc_differential;
false, true, &custom_rtc_enabled};
SwitchableSetting<s64, true> custom_rtc_offset{linkage,
0,
std::numeric_limits<int>::min(),
std::numeric_limits<int>::max(),
"custom_rtc_offset",
Category::System,
Specialization::Countable,
true,
true};
SwitchableSetting<bool> rng_seed_enabled{
linkage, false, "rng_seed_enabled", Category::System, Specialization::Paired, true, true};
SwitchableSetting<u32> rng_seed{

12
src/common/time_zone.cpp
View file

@ -88,7 +88,17 @@ std::string FindSystemTimeZone() {
LOG_ERROR(Common, "Time zone {} not handled, defaulting to hour offset.", tz_index);
}
}
return fmt::format("Etc/GMT{:s}{:d}", hours > 0 ? "-" : "+", std::abs(hours));
// For some reason the Etc/GMT times are reversed. GMT+6 contains -21600 as its offset,
// -6 hours instead of +6 hours, so these signs are purposefully reversed to fix it.
std::string postfix{""};
if (hours > 0) {
postfix = fmt::format("-{:d}", std::abs(hours));
} else if (hours < 0) {
postfix = fmt::format("+{:d}", std::abs(hours));
}
return fmt::format("Etc/GMT{:s}", postfix);
}
} // namespace Common::TimeZone

12
src/common/uuid.h
View file

@ -12,9 +12,8 @@
namespace Common {
struct UUID {
std::array<u8, 0x10> uuid{};
std::array<u8, 0x10> uuid;
/// Constructs an invalid UUID.
constexpr UUID() = default;
/// Constructs a UUID from a reference to a 128 bit array.
@ -34,14 +33,6 @@ struct UUID {
*/
explicit UUID(std::string_view uuid_string);
~UUID() = default;
constexpr UUID(const UUID&) noexcept = default;
constexpr UUID(UUID&&) noexcept = default;
constexpr UUID& operator=(const UUID&) noexcept = default;
constexpr UUID& operator=(UUID&&) noexcept = default;
/**
* Returns whether the stored UUID is valid or not.
*
@ -121,6 +112,7 @@ struct UUID {
friend constexpr bool operator==(const UUID& lhs, const UUID& rhs) = default;
};
static_assert(sizeof(UUID) == 0x10, "UUID has incorrect size.");
static_assert(std::is_trivial_v<UUID>);
/// An invalid UUID. This UUID has all its bytes set to 0.
constexpr UUID InvalidUUID = {};

32
src/common/wall_clock.cpp
View file

@ -18,42 +18,40 @@ namespace Common {
class StandardWallClock final : public WallClock {
public:
explicit StandardWallClock() : start_time{SteadyClock::Now()} {}
explicit StandardWallClock() {}
std::chrono::nanoseconds GetTimeNS() const override {
return SteadyClock::Now() - start_time;
return std::chrono::duration_cast<std::chrono::nanoseconds>(
std::chrono::system_clock::now().time_since_epoch());
}
std::chrono::microseconds GetTimeUS() const override {
return static_cast<std::chrono::microseconds>(GetHostTicksElapsed() / NsToUsRatio::den);
return std::chrono::duration_cast<std::chrono::microseconds>(
std::chrono::system_clock::now().time_since_epoch());
}
std::chrono::milliseconds GetTimeMS() const override {
return static_cast<std::chrono::milliseconds>(GetHostTicksElapsed() / NsToMsRatio::den);
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::system_clock::now().time_since_epoch());
}
u64 GetCNTPCT() const override {
return GetHostTicksElapsed() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
s64 GetCNTPCT() const override {
return GetUptime() * NsToCNTPCTRatio::num / NsToCNTPCTRatio::den;
}
u64 GetGPUTick() const override {
return GetHostTicksElapsed() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
s64 GetGPUTick() const override {
return GetUptime() * NsToGPUTickRatio::num / NsToGPUTickRatio::den;
}
u64 GetHostTicksNow() const override {
return static_cast<u64>(SteadyClock::Now().time_since_epoch().count());
}
u64 GetHostTicksElapsed() const override {
return static_cast<u64>(GetTimeNS().count());
s64 GetUptime() const override {
return std::chrono::duration_cast<std::chrono::nanoseconds>(
std::chrono::steady_clock::now().time_since_epoch())
.count();
}
bool IsNative() const override {
return false;
}
private:
SteadyClock::time_point start_time;
};
std::unique_ptr<WallClock> CreateOptimalClock() {

9
src/common/wall_clock.h
View file

@ -29,16 +29,13 @@ public:
virtual std::chrono::milliseconds GetTimeMS() const = 0;
/// @returns The guest CNTPCT ticks since the construction of this clock.
virtual u64 GetCNTPCT() const = 0;
virtual s64 GetCNTPCT() const = 0;
/// @returns The guest GPU ticks since the construction of this clock.
virtual u64 GetGPUTick() const = 0;
virtual s64 GetGPUTick() const = 0;
/// @returns The raw host timer ticks since an indeterminate epoch.
virtual u64 GetHostTicksNow() const = 0;
/// @returns The raw host timer ticks since the construction of this clock.
virtual u64 GetHostTicksElapsed() const = 0;
virtual s64 GetUptime() const = 0;
/// @returns Whether the clock directly uses the host's hardware clock.
virtual bool IsNative() const = 0;

26
src/common/x64/native_clock.cpp
View file

@ -8,39 +8,35 @@
namespace Common::X64 {
NativeClock::NativeClock(u64 rdtsc_frequency_)
: start_ticks{FencedRDTSC()}, rdtsc_frequency{rdtsc_frequency_},
ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den, rdtsc_frequency)},
: rdtsc_frequency{rdtsc_frequency_}, ns_rdtsc_factor{GetFixedPoint64Factor(NsRatio::den,
rdtsc_frequency)},
us_rdtsc_factor{GetFixedPoint64Factor(UsRatio::den, rdtsc_frequency)},
ms_rdtsc_factor{GetFixedPoint64Factor(MsRatio::den, rdtsc_frequency)},
cntpct_rdtsc_factor{GetFixedPoint64Factor(CNTFRQ, rdtsc_frequency)},
gputick_rdtsc_factor{GetFixedPoint64Factor(GPUTickFreq, rdtsc_frequency)} {}
std::chrono::nanoseconds NativeClock::GetTimeNS() const {
return std::chrono::nanoseconds{MultiplyHigh(GetHostTicksElapsed(), ns_rdtsc_factor)};
return std::chrono::nanoseconds{MultiplyHigh(GetUptime(), ns_rdtsc_factor)};
}
std::chrono::microseconds NativeClock::GetTimeUS() const {
return std::chrono::microseconds{MultiplyHigh(GetHostTicksElapsed(), us_rdtsc_factor)};
return std::chrono::microseconds{MultiplyHigh(GetUptime(), us_rdtsc_factor)};
}
std::chrono::milliseconds NativeClock::GetTimeMS() const {
return std::chrono::milliseconds{MultiplyHigh(GetHostTicksElapsed(), ms_rdtsc_factor)};
return std::chrono::milliseconds{MultiplyHigh(GetUptime(), ms_rdtsc_factor)};
}
u64 NativeClock::GetCNTPCT() const {
return MultiplyHigh(GetHostTicksElapsed(), cntpct_rdtsc_factor);
s64 NativeClock::GetCNTPCT() const {
return MultiplyHigh(GetUptime(), cntpct_rdtsc_factor);
}
u64 NativeClock::GetGPUTick() const {
return MultiplyHigh(GetHostTicksElapsed(), gputick_rdtsc_factor);
s64 NativeClock::GetGPUTick() const {
return MultiplyHigh(GetUptime(), gputick_rdtsc_factor);
}
u64 NativeClock::GetHostTicksNow() const {
return FencedRDTSC();
}
u64 NativeClock::GetHostTicksElapsed() const {
return FencedRDTSC() - start_ticks;
s64 NativeClock::GetUptime() const {
return static_cast<s64>(FencedRDTSC());
}
bool NativeClock::IsNative() const {

9
src/common/x64/native_clock.h
View file

@ -17,18 +17,15 @@ public:
std::chrono::milliseconds GetTimeMS() const override;
u64 GetCNTPCT() const override;
s64 GetCNTPCT() const override;
u64 GetGPUTick() const override;
s64 GetGPUTick() const override;
u64 GetHostTicksNow() const override;
u64 GetHostTicksElapsed() const override;
s64 GetUptime() const override;
bool IsNative() const override;
private:
u64 start_ticks;
u64 rdtsc_frequency;
u64 ns_rdtsc_factor;