SVC: Implement svcInfo:IdleTickCount

Used by the Witcher 3
This commit is contained in:
Fernando Sahmkow 2021-10-16 11:54:09 +02:00
parent 8b996015a8
commit da6673e79a
2 changed files with 22 additions and 0 deletions

View file

@ -49,6 +49,11 @@ public:
/// Gets the current running thread
[[nodiscard]] KThread* GetCurrentThread() const;
/// Gets the idle thread
[[nodiscard]] KThread* GetIdleThread() const {
return idle_thread;
}
/// Returns true if the scheduler is idle
[[nodiscard]] bool IsIdle() const {
return GetCurrentThread() == idle_thread;

View file

@ -886,7 +886,24 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
*result = out_ticks;
return ResultSuccess;
}
case GetInfoType::IdleTickCount: {
if (handle == 0) {
LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
static_cast<Handle>(handle));
return ResultInvalidHandle;
}
if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id != system.CurrentCoreIndex()) {
LOG_ERROR(Kernel_SVC, "Core is not the current core, got {}", info_sub_id);
return ResultInvalidCombination;
}
const auto& scheduler = *system.Kernel().CurrentScheduler();
const auto* const idle_thread = scheduler.GetIdleThread();
*result = idle_thread->GetCpuTime();
return ResultSuccess;
}
default:
LOG_ERROR(Kernel_SVC, "Unimplemented svcGetInfo id=0x{:016X}", info_id);
return ResultInvalidEnumValue;