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kern: update GetInfo logic for tick count InfoTypes

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Michael Scire 2021-09-17 14:57:08 -07:00 committed by SciresM
parent 6cbfaaf835
commit 6407786059
2 changed files with 23 additions and 22 deletions
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42
libraries/libmesosphere/source/svc/kern_svc_info.cpp
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@ -181,6 +181,9 @@ namespace ams::kern::svc {
/* Verify the input handle is invalid. */ /* Verify the input handle is invalid. */
R_UNLESS(handle == ams::svc::InvalidHandle, svc::ResultInvalidHandle()); R_UNLESS(handle == ams::svc::InvalidHandle, svc::ResultInvalidHandle());
/* Disable dispatch while we get the tick count. */
KScopedDisableDispatch dd;
/* Verify the requested core is valid. */ /* Verify the requested core is valid. */
const bool core_valid = (info_subtype == static_cast<u64>(-1ul)) || (info_subtype == static_cast<u64>(GetCurrentCoreId())); const bool core_valid = (info_subtype == static_cast<u64>(-1ul)) || (info_subtype == static_cast<u64>(GetCurrentCoreId()));
R_UNLESS(core_valid, svc::ResultInvalidCombination()); R_UNLESS(core_valid, svc::ResultInvalidCombination());
@ -223,28 +226,27 @@ namespace ams::kern::svc {
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(handle); KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(handle);
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle()); R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
/* Disable interrupts while we get the tick count. */ /* Disable dispatch while we get the tick count. */
KScopedDisableDispatch dd;
/* Determine the tick count. */
s64 tick_count; s64 tick_count;
{ if (info_subtype == static_cast<u64>(-1ul)) {
KScopedInterruptDisable di; tick_count = thread->GetCpuTime();
if (GetCurrentThreadPointer() == thread.GetPointerUnsafe()) {
const s64 cur_tick = KHardwareTimer::GetTick();
const s64 prev_switch = Kernel::GetScheduler().GetLastContextSwitchTime();
tick_count += (cur_tick - prev_switch);
}
} else {
const s32 phys_core = cpu::VirtualToPhysicalCoreMap[info_subtype];
MESOSPHERE_ABORT_UNLESS(phys_core < static_cast<s32>(cpu::NumCores));
if (info_subtype == static_cast<u64>(-1ul)) { tick_count = thread->GetCpuTime(phys_core);
tick_count = thread->GetCpuTime(); if (GetCurrentThreadPointer() == thread.GetPointerUnsafe() && phys_core == GetCurrentCoreId()) {
if (GetCurrentThreadPointer() == thread.GetPointerUnsafe()) { const s64 cur_tick = KHardwareTimer::GetTick();
const s64 cur_tick = KHardwareTimer::GetTick(); const s64 prev_switch = Kernel::GetScheduler().GetLastContextSwitchTime();
const s64 prev_switch = Kernel::GetScheduler().GetLastContextSwitchTime(); tick_count += (cur_tick - prev_switch);
tick_count += (cur_tick - prev_switch);
}
} else {
const s32 phys_core = cpu::VirtualToPhysicalCoreMap[info_subtype];
MESOSPHERE_ABORT_UNLESS(phys_core < static_cast<s32>(cpu::NumCores));
tick_count = thread->GetCpuTime(phys_core);
if (GetCurrentThreadPointer() == thread.GetPointerUnsafe() && phys_core == GetCurrentCoreId()) {
const s64 cur_tick = KHardwareTimer::GetTick();
const s64 prev_switch = Kernel::GetScheduler().GetLastContextSwitchTime();
tick_count += (cur_tick - prev_switch);
}
} }
} }

3
libraries/libvapours/include/vapours/svc/svc_types_common.hpp
View file

@ -157,11 +157,10 @@ namespace ams::svc {
InfoType_UsedNonSystemMemorySize = 22, InfoType_UsedNonSystemMemorySize = 22,
InfoType_IsApplication = 23, InfoType_IsApplication = 23,
InfoType_FreeThreadCount = 24, InfoType_FreeThreadCount = 24,
InfoType_ThreadTickCount = 25,
InfoType_MesosphereMeta = 65000, InfoType_MesosphereMeta = 65000,
InfoType_MesosphereCurrentProcess = 65001, InfoType_MesosphereCurrentProcess = 65001,
InfoType_ThreadTickCount = 0xF0000002,
}; };
enum TickCountInfo : u64 { enum TickCountInfo : u64 {