Merge pull request #8532 from liamwhite/fiber-supplements

common/fiber: make fibers easier to use
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liamwhite 2022-07-05 18:20:39 -04:00 committed by GitHub
commit 07e3c56f0d
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9 changed files with 79 additions and 170 deletions

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@ -622,7 +622,7 @@ void KScheduler::YieldToAnyThread(KernelCore& kernel) {
}
KScheduler::KScheduler(Core::System& system_, s32 core_id_) : system{system_}, core_id{core_id_} {
switch_fiber = std::make_shared<Common::Fiber>(OnSwitch, this);
switch_fiber = std::make_shared<Common::Fiber>([this] { SwitchToCurrent(); });
state.needs_scheduling.store(true);
state.interrupt_task_thread_runnable = false;
state.should_count_idle = false;
@ -778,11 +778,6 @@ void KScheduler::ScheduleImpl() {
next_scheduler.SwitchContextStep2();
}
void KScheduler::OnSwitch(void* this_scheduler) {
KScheduler* sched = static_cast<KScheduler*>(this_scheduler);
sched->SwitchToCurrent();
}
void KScheduler::SwitchToCurrent() {
while (true) {
{

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@ -170,7 +170,6 @@ private:
*/
void UpdateLastContextSwitchTime(KThread* thread, KProcess* process);
static void OnSwitch(void* this_scheduler);
void SwitchToCurrent();
KThread* prev_thread{};

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@ -246,14 +246,12 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack
Result KThread::InitializeThread(KThread* thread, KThreadFunction func, uintptr_t arg,
VAddr user_stack_top, s32 prio, s32 core, KProcess* owner,
ThreadType type, std::function<void(void*)>&& init_func,
void* init_func_parameter) {
ThreadType type, std::function<void()>&& init_func) {
// Initialize the thread.
R_TRY(thread->Initialize(func, arg, user_stack_top, prio, core, owner, type));
// Initialize emulation parameters.
thread->host_context =
std::make_shared<Common::Fiber>(std::move(init_func), init_func_parameter);
thread->host_context = std::make_shared<Common::Fiber>(std::move(init_func));
thread->is_single_core = !Settings::values.use_multi_core.GetValue();
return ResultSuccess;
@ -265,15 +263,13 @@ Result KThread::InitializeDummyThread(KThread* thread) {
Result KThread::InitializeIdleThread(Core::System& system, KThread* thread, s32 virt_core) {
return InitializeThread(thread, {}, {}, {}, IdleThreadPriority, virt_core, {}, ThreadType::Main,
Core::CpuManager::GetIdleThreadStartFunc(),
system.GetCpuManager().GetStartFuncParameter());
system.GetCpuManager().GetIdleThreadStartFunc());
}
Result KThread::InitializeHighPriorityThread(Core::System& system, KThread* thread,
KThreadFunction func, uintptr_t arg, s32 virt_core) {
return InitializeThread(thread, func, arg, {}, {}, virt_core, nullptr, ThreadType::HighPriority,
Core::CpuManager::GetShutdownThreadStartFunc(),
system.GetCpuManager().GetStartFuncParameter());
system.GetCpuManager().GetShutdownThreadStartFunc());
}
Result KThread::InitializeUserThread(Core::System& system, KThread* thread, KThreadFunction func,
@ -281,8 +277,7 @@ Result KThread::InitializeUserThread(Core::System& system, KThread* thread, KThr
KProcess* owner) {
system.Kernel().GlobalSchedulerContext().AddThread(thread);
return InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner,
ThreadType::User, Core::CpuManager::GetGuestThreadStartFunc(),
system.GetCpuManager().GetStartFuncParameter());
ThreadType::User, system.GetCpuManager().GetGuestThreadStartFunc());
}
void KThread::PostDestroy(uintptr_t arg) {

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@ -729,8 +729,7 @@ private:
[[nodiscard]] static Result InitializeThread(KThread* thread, KThreadFunction func,
uintptr_t arg, VAddr user_stack_top, s32 prio,
s32 core, KProcess* owner, ThreadType type,
std::function<void(void*)>&& init_func,
void* init_func_parameter);
std::function<void()>&& init_func);
static void RestorePriority(KernelCore& kernel_ctx, KThread* thread);