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hle: kernel: svc: GetInfo: Fix error checking with IdleTickCount. 

- Enforce tha the supplied handle is invalid, not valid.
- This gets Witcher 3 booting.
This commit is contained in:
bunnei 2021-12-21 22:41:23 -08:00
parent 6991d447d4
commit 49e3c073a5
1 changed files with 9 additions and 14 deletions
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23
src/core/hle/kernel/svc.cpp
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@ -880,22 +880,17 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
return ResultSuccess; return ResultSuccess;
} }
case GetInfoType::IdleTickCount: { case GetInfoType::IdleTickCount: {
if (handle == 0) { // Verify the input handle is invalid.
LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
static_cast<Handle>(handle));
return ResultInvalidHandle;
}
if (info_sub_id != 0xFFFFFFFFFFFFFFFF && // Verify the requested core is valid.
info_sub_id != system.Kernel().CurrentPhysicalCoreIndex()) { const bool core_valid =
LOG_ERROR(Kernel_SVC, "Core is not the current core, got {}", info_sub_id); (info_sub_id == static_cast<u64>(-1ULL)) ||
return ResultInvalidCombination; (info_sub_id == static_cast<u64>(system.Kernel().CurrentPhysicalCoreIndex()));
} R_UNLESS(core_valid, ResultInvalidCombination);
const auto& scheduler = *system.Kernel().CurrentScheduler(); // Get the idle tick count.
const auto* const idle_thread = scheduler.GetIdleThread(); *result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
*result = idle_thread->GetCpuTime();
return ResultSuccess; return ResultSuccess;
} }
default: default: