Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

hle: kernel: Rewrite scheduler implementation based on Mesopshere.

Browse source
This commit is contained in:
bunnei 2020-12-02 18:08:35 -08:00
parent c10a37e5b6
commit 9e29e36a78
26 changed files with 1217 additions and 1225 deletions
Download patch file Download diff file Expand all files Collapse all files

59
src/core/hle/kernel/kernel.cpp
View file

@ -27,6 +27,7 @@
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/memory_layout.h"
#include "core/hle/kernel/memory/memory_manager.h"
@ -34,7 +35,6 @@
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/synchronization.h"
#include "core/hle/kernel/thread.h"
@ -49,17 +49,18 @@ namespace Kernel {
struct KernelCore::Impl {
explicit Impl(Core::System& system, KernelCore& kernel)
: global_scheduler{kernel}, synchronization{system}, time_manager{system},
global_handle_table{kernel}, system{system} {}
: synchronization{system}, time_manager{system}, global_handle_table{kernel}, system{
system} {}
void SetMulticore(bool is_multicore) {
this->is_multicore = is_multicore;
}
void Initialize(KernelCore& kernel) {
Shutdown();
RegisterHostThread();
global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
InitializePhysicalCores();
InitializeSystemResourceLimit(kernel);
InitializeMemoryLayout();
@ -86,29 +87,20 @@ struct KernelCore::Impl {
}
}
for (std::size_t i = 0; i < cores.size(); i++) {
cores[i].Shutdown();
schedulers[i].reset();
}
cores.clear();
process_list.clear();
current_process = nullptr;
system_resource_limit = nullptr;
global_handle_table.Clear();
preemption_event = nullptr;
global_scheduler.Shutdown();
named_ports.clear();
for (auto& core : cores) {
core.Shutdown();
}
cores.clear();
exclusive_monitor.reset();
num_host_threads = 0;
@ -121,7 +113,7 @@ struct KernelCore::Impl {
exclusive_monitor =
Core::MakeExclusiveMonitor(system.Memory(), Core::Hardware::NUM_CPU_CORES);
for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
schedulers[i] = std::make_unique<Kernel::Scheduler>(system, i);
schedulers[i] = std::make_unique<Kernel::KScheduler>(system, i);
cores.emplace_back(i, system, *schedulers[i], interrupts);
}
}
@ -155,7 +147,7 @@ struct KernelCore::Impl {
"PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
{
SchedulerLock lock(kernel);
global_scheduler.PreemptThreads();
global_scheduler_context->PreemptThreads();
}
const auto time_interval = std::chrono::nanoseconds{
Core::Timing::msToCycles(std::chrono::milliseconds(10))};
@ -245,7 +237,7 @@ struct KernelCore::Impl {
if (result.host_handle >= Core::Hardware::NUM_CPU_CORES) {
return result;
}
const Kernel::Scheduler& sched = cores[result.host_handle].Scheduler();
const Kernel::KScheduler& sched = cores[result.host_handle].Scheduler();
const Kernel::Thread* current = sched.GetCurrentThread();
if (current != nullptr && !current->IsPhantomMode()) {
result.guest_handle = current->GetGlobalHandle();
@ -314,7 +306,7 @@ struct KernelCore::Impl {
// Lists all processes that exist in the current session.
std::vector<std::shared_ptr<Process>> process_list;
Process* current_process = nullptr;
Kernel::GlobalScheduler global_scheduler;
std::unique_ptr<Kernel::GlobalSchedulerContext> global_scheduler_context;
Kernel::Synchronization synchronization;
Kernel::TimeManager time_manager;
@ -355,7 +347,7 @@ struct KernelCore::Impl {
std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{};
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
std::array<std::unique_ptr<Kernel::Scheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
bool is_multicore{};
std::thread::id single_core_thread_id{};
@ -415,19 +407,19 @@ const std::vector<std::shared_ptr<Process>>& KernelCore::GetProcessList() const
return impl->process_list;
}
Kernel::GlobalScheduler& KernelCore::GlobalScheduler() {
return impl->global_scheduler;
Kernel::GlobalSchedulerContext& KernelCore::GlobalSchedulerContext() {
return *impl->global_scheduler_context;
}
const Kernel::GlobalScheduler& KernelCore::GlobalScheduler() const {
return impl->global_scheduler;
const Kernel::GlobalSchedulerContext& KernelCore::GlobalSchedulerContext() const {
return *impl->global_scheduler_context;
}
Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) {
Kernel::KScheduler& KernelCore::Scheduler(std::size_t id) {
return *impl->schedulers[id];
}
const Kernel::Scheduler& KernelCore::Scheduler(std::size_t id) const {
const Kernel::KScheduler& KernelCore::Scheduler(std::size_t id) const {
return *impl->schedulers[id];
}
@ -451,16 +443,13 @@ const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const {
return impl->cores[core_id];
}
Kernel::Scheduler& KernelCore::CurrentScheduler() {
Kernel::KScheduler* KernelCore::CurrentScheduler() {
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return *impl->schedulers[core_id];
}
const Kernel::Scheduler& KernelCore::CurrentScheduler() const {
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return *impl->schedulers[core_id];
if (core_id >= Core::Hardware::NUM_CPU_CORES) {
// This is expected when called from not a guest thread
return {};
}
return impl->schedulers[core_id].get();
}
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts() {