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core: Move common CPU core things to its own class.

This commit is contained in:
bunnei 2018-05-01 22:21:38 -04:00
parent 5e9c547952
commit 5590245930
5 changed files with 135 additions and 58 deletions

View file

@ -4,6 +4,8 @@ add_library(core STATIC
arm/unicorn/arm_unicorn.h
core.cpp
core.h
core_cpu.cpp
core_cpu.h
core_timing.cpp
core_timing.h
file_sys/directory.h

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@ -5,10 +5,6 @@
#include <memory>
#include <utility>
#include "common/logging/log.h"
#ifdef ARCHITECTURE_x86_64
#include "core/arm/dynarmic/arm_dynarmic.h"
#endif
#include "core/arm/unicorn/arm_unicorn.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/gdbstub/gdbstub.h"
@ -33,9 +29,6 @@ System::~System() = default;
System::ResultStatus System::RunLoop(bool tight_loop) {
status = ResultStatus::Success;
if (!cpu_core) {
return ResultStatus::ErrorNotInitialized;
}
if (GDBStub::IsServerEnabled()) {
GDBStub::HandlePacket();
@ -52,24 +45,7 @@ System::ResultStatus System::RunLoop(bool tight_loop) {
}
}
// If we don't have a currently active thread then don't execute instructions,
// instead advance to the next event and try to yield to the next thread
if (Kernel::GetCurrentThread() == nullptr) {
NGLOG_TRACE(Core_ARM, "Idling");
CoreTiming::Idle();
CoreTiming::Advance();
PrepareReschedule();
} else {
CoreTiming::Advance();
if (tight_loop) {
cpu_core->Run();
} else {
cpu_core->Step();
}
}
HW::Update();
Reschedule();
cpu_cores[0]->RunLoop(tight_loop);
return status;
}
@ -133,23 +109,13 @@ System::ResultStatus System::Load(EmuWindow* emu_window, const std::string& file
}
void System::PrepareReschedule() {
cpu_core->PrepareReschedule();
reschedule_pending = true;
cpu_cores[0]->PrepareReschedule();
}
PerfStats::Results System::GetAndResetPerfStats() {
return perf_stats.GetAndResetStats(CoreTiming::GetGlobalTimeUs());
}
void System::Reschedule() {
if (!reschedule_pending) {
return;
}
reschedule_pending = false;
Core::System::GetInstance().Scheduler().Reschedule();
}
System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
NGLOG_DEBUG(HW_Memory, "initialized OK");
@ -157,15 +123,8 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
current_process = Kernel::Process::Create("main");
if (Settings::values.use_cpu_jit) {
#ifdef ARCHITECTURE_x86_64
cpu_core = std::make_shared<ARM_Dynarmic>();
#else
cpu_core = std::make_shared<ARM_Unicorn>();
NGLOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
#endif
} else {
cpu_core = std::make_shared<ARM_Unicorn>();
for (auto& cpu_core : cpu_cores) {
cpu_core = std::make_unique<Cpu>();
}
gpu_core = std::make_unique<Tegra::GPU>();
@ -176,7 +135,6 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
HW::Init();
Kernel::Init(system_mode);
scheduler = std::make_unique<Kernel::Scheduler>(cpu_core.get());
Service::Init(service_manager);
GDBStub::Init();
@ -207,13 +165,16 @@ void System::Shutdown() {
VideoCore::Shutdown();
GDBStub::Shutdown();
Service::Shutdown();
scheduler.reset();
Kernel::Shutdown();
HW::Shutdown();
service_manager.reset();
telemetry_session.reset();
gpu_core.reset();
cpu_core.reset();
for (auto& cpu_core : cpu_cores) {
cpu_core.reset();
}
CoreTiming::Shutdown();
app_loader.reset();

View file

@ -4,9 +4,11 @@
#pragma once
#include <array>
#include <memory>
#include <string>
#include "common/common_types.h"
#include "core/core_cpu.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/scheduler.h"
#include "core/loader/loader.h"
@ -89,7 +91,7 @@ public:
* @returns True if the emulated system is powered on, otherwise false.
*/
bool IsPoweredOn() const {
return cpu_core != nullptr;
return cpu_cores[0] != nullptr;
}
/**
@ -110,7 +112,7 @@ public:
* @returns A reference to the emulated CPU.
*/
ARM_Interface& CPU() {
return *cpu_core;
return cpu_cores[0]->CPU();
}
Tegra::GPU& GPU() {
@ -118,7 +120,7 @@ public:
}
Kernel::Scheduler& Scheduler() {
return *scheduler;
return cpu_cores[0]->Scheduler();
}
Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
@ -163,18 +165,12 @@ private:
*/
ResultStatus Init(EmuWindow* emu_window, u32 system_mode);
/// Reschedule the core emulation
void Reschedule();
/// AppLoader used to load the current executing application
std::unique_ptr<Loader::AppLoader> app_loader;
std::shared_ptr<ARM_Interface> cpu_core;
std::unique_ptr<Kernel::Scheduler> scheduler;
std::array<std::unique_ptr<Cpu>, 4> cpu_cores;
std::unique_ptr<Tegra::GPU> gpu_core;
std::shared_ptr<Tegra::DebugContext> debug_context;
Kernel::SharedPtr<Kernel::Process> current_process;
/// When true, signals that a reschedule should happen

72
src/core/core_cpu.cpp Normal file
View file

@ -0,0 +1,72 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#ifdef ARCHITECTURE_x86_64
#include "core/arm/dynarmic/arm_dynarmic.h"
#endif
#include "core/arm/unicorn/arm_unicorn.h"
#include "core/core_cpu.h"
#include "core/core_timing.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/settings.h"
namespace Core {
Cpu::Cpu() {
if (Settings::values.use_cpu_jit) {
#ifdef ARCHITECTURE_x86_64
arm_interface = std::make_shared<ARM_Dynarmic>();
#else
cpu_core = std::make_shared<ARM_Unicorn>();
NGLOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");
#endif
} else {
arm_interface = std::make_shared<ARM_Unicorn>();
}
scheduler = std::make_unique<Kernel::Scheduler>(arm_interface.get());
}
void Cpu::RunLoop(bool tight_loop) {
// If we don't have a currently active thread then don't execute instructions,
// instead advance to the next event and try to yield to the next thread
if (Kernel::GetCurrentThread() == nullptr) {
NGLOG_TRACE(Core, "Idling");
CoreTiming::Idle();
CoreTiming::Advance();
PrepareReschedule();
} else {
CoreTiming::Advance();
if (tight_loop) {
arm_interface->Run();
} else {
arm_interface->Step();
}
}
Reschedule();
}
void Cpu::SingleStep() {
return RunLoop(false);
}
void Cpu::PrepareReschedule() {
arm_interface->PrepareReschedule();
reschedule_pending = true;
}
void Cpu::Reschedule() {
if (!reschedule_pending) {
return;
}
reschedule_pending = false;
scheduler->Reschedule();
}
} // namespace Core

46
src/core/core_cpu.h Normal file
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@ -0,0 +1,46 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include "common/common_types.h"
class ARM_Interface;
namespace Kernel {
class Scheduler;
}
namespace Core {
class Cpu {
public:
Cpu();
void RunLoop(bool tight_loop = true);
void SingleStep();
void PrepareReschedule();
ARM_Interface& CPU() {
return *arm_interface;
}
Kernel::Scheduler& Scheduler() {
return *scheduler;
}
private:
void Reschedule();
std::shared_ptr<ARM_Interface> arm_interface;
std::unique_ptr<Kernel::Scheduler> scheduler;
bool reschedule_pending{};
};
} // namespace Core