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-rw-r--r--src/core/hle/kernel/svc.cpp30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index a5302d924..110f042d7 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -529,6 +529,36 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
"(STUBBED) Attempted to query user exception context address, returned 0");
*result = 0;
break;
+ case GetInfoType::ThreadTickCount: {
+ constexpr u64 num_cpus = 4;
+ if (info_sub_id != 0xFFFFFFFFFFFFFFFF && info_sub_id >= num_cpus) {
+ return ERR_INVALID_COMBINATION_KERNEL;
+ }
+
+ const auto thread =
+ current_process->GetHandleTable().Get<Thread>(static_cast<Handle>(handle));
+ if (!thread) {
+ return ERR_INVALID_HANDLE;
+ }
+
+ auto& system = Core::System::GetInstance();
+ const auto& scheduler = system.CurrentScheduler();
+ const auto* const current_thread = scheduler.GetCurrentThread();
+ const bool same_thread = current_thread == thread;
+
+ const u64 prev_ctx_ticks = scheduler.GetLastContextSwitchTicks();
+ u64 out_ticks = 0;
+ if (same_thread && info_sub_id == 0xFFFFFFFFFFFFFFFF) {
+ const u64 thread_ticks = current_thread->GetTotalCPUTimeTicks();
+
+ out_ticks = thread_ticks + (CoreTiming::GetTicks() - prev_ctx_ticks);
+ } else if (same_thread && info_sub_id == system.CurrentCoreIndex()) {
+ out_ticks = CoreTiming::GetTicks() - prev_ctx_ticks;
+ }
+
+ *result = out_ticks;
+ break;
+ }
default:
UNIMPLEMENTED();
}