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Code Issues Releases Activity

Kernel: Rewind on SVC change.

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This commit is contained in:
Fernando Sahmkow 2020-03-10 18:41:11 -04:00
parent d494b074e8
commit f370de84b1
3 changed files with 16 additions and 5 deletions
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2
src/core/hle/kernel/scheduler.cpp
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@ -605,6 +605,7 @@ void Scheduler::OnThreadStart() {
void Scheduler::Unload() {
Thread* thread = current_thread.get();
if (thread) {
thread->SetContinuousOnSVC(false);
thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
thread->SetIsRunning(false);
if (!thread->IsHLEThread()) {
@ -697,6 +698,7 @@ void Scheduler::SwitchContext() {
// Save context for previous thread
if (previous_thread) {
previous_thread->SetContinuousOnSVC(false);
previous_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
if (!previous_thread->IsHLEThread()) {
auto& cpu_core = system.ArmInterface(core_id);

9
src/core/hle/kernel/svc.cpp
View file

@ -2459,7 +2459,8 @@ MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70));
void Call(Core::System& system, u32 immediate) {
MICROPROFILE_SCOPE(Kernel_SVC);
auto& physical_core = system.CurrentPhysicalCore();
auto* thread = system.CurrentScheduler().GetCurrentThread();
thread->SetContinuousOnSVC(true);
const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)
: GetSVCInfo32(immediate);
@ -2472,10 +2473,8 @@ void Call(Core::System& system, u32 immediate) {
} else {
LOG_CRITICAL(Kernel_SVC, "Unknown SVC function 0x{:X}", immediate);
}
auto& physical_core_2 = system.CurrentPhysicalCore();
if (physical_core.CoreIndex() != physical_core_2.CoreIndex()) {
LOG_CRITICAL(Kernel_SVC, "Rewinding");
auto* thread = physical_core_2.Scheduler().GetCurrentThread();
if (!thread->IsContinuousOnSVC()) {
auto* host_context = thread->GetHostContext().get();
host_context->Rewind();
}

10
src/core/hle/kernel/thread.h
View file

@ -573,6 +573,14 @@ public:
return pausing_state != 0;
}
bool IsContinuousOnSVC() const {
return is_continuous_on_svc;
}
void SetContinuousOnSVC(bool is_continuous) {
is_continuous_on_svc = is_continuous;
}
private:
friend class GlobalScheduler;
friend class Scheduler;
@ -672,6 +680,8 @@ private:
bool is_waiting_on_sync = false;
bool is_sync_cancelled = false;
bool is_continuous_on_svc = false;
bool will_be_terminated = false;
std::string name;