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

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- 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;
}
case GetInfoType::IdleTickCount: {
if (handle == 0) {
LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}",
static_cast<Handle>(handle));
return ResultInvalidHandle;
}
// Verify the input handle is invalid.
R_UNLESS(handle == InvalidHandle, ResultInvalidHandle);
if (info_sub_id != 0xFFFFFFFFFFFFFFFF &&
info_sub_id != system.Kernel().CurrentPhysicalCoreIndex()) {
LOG_ERROR(Kernel_SVC, "Core is not the current core, got {}", info_sub_id);
return ResultInvalidCombination;
}
// Verify the requested core is valid.
const bool core_valid =
(info_sub_id == static_cast<u64>(-1ULL)) ||
(info_sub_id == static_cast<u64>(system.Kernel().CurrentPhysicalCoreIndex()));
R_UNLESS(core_valid, ResultInvalidCombination);
const auto& scheduler = *system.Kernel().CurrentScheduler();
const auto* const idle_thread = scheduler.GetIdleThread();
*result = idle_thread->GetCpuTime();
// Get the idle tick count.
*result = system.Kernel().CurrentScheduler()->GetIdleThread()->GetCpuTime();
return ResultSuccess;
}
default: