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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <boost/serialization/shared_ptr.hpp>
#include <boost/serialization/unordered_map.hpp>
#include <boost/serialization/vector.hpp>
#include "common/archives.h"
#include "common/serialization/atomic.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/config_mem.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/ipc_debugger/recorder.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/shared_page.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/timer.h"
SERIALIZE_EXPORT_IMPL(Kernel::New3dsHwCapabilities)
namespace Kernel {
/// Initialize the kernel
KernelSystem::KernelSystem(Memory::MemorySystem& memory, Core::Timing& timing,
std::function<void()> prepare_reschedule_callback,
MemoryMode memory_mode, u32 num_cores,
const New3dsHwCapabilities& n3ds_hw_caps, u64 override_init_time)
: memory(memory), timing(timing),
prepare_reschedule_callback(std::move(prepare_reschedule_callback)), memory_mode(memory_mode),
n3ds_hw_caps(n3ds_hw_caps) {
std::generate(memory_regions.begin(), memory_regions.end(),
[] { return std::make_shared<MemoryRegionInfo>(); });
MemoryInit(memory_mode, n3ds_hw_caps.memory_mode, override_init_time);
resource_limits = std::make_unique<ResourceLimitList>(*this);
for (u32 core_id = 0; core_id < num_cores; ++core_id) {
thread_managers.push_back(std::make_unique<ThreadManager>(*this, core_id));
}
timer_manager = std::make_unique<TimerManager>(timing);
ipc_recorder = std::make_unique<IPCDebugger::Recorder>();
stored_processes.assign(num_cores, nullptr);
next_thread_id = 1;
}
/// Shutdown the kernel
KernelSystem::~KernelSystem() {
ResetThreadIDs();
};
ResourceLimitList& KernelSystem::ResourceLimit() {
return *resource_limits;
}
const ResourceLimitList& KernelSystem::ResourceLimit() const {
return *resource_limits;
}
u32 KernelSystem::GenerateObjectID() {
return next_object_id++;
}
std::shared_ptr<Process> KernelSystem::GetCurrentProcess() const {
return current_process;
}
void KernelSystem::SetCurrentProcess(std::shared_ptr<Process> process) {
current_process = process;
SetCurrentMemoryPageTable(process->vm_manager.page_table);
}
void KernelSystem::SetCurrentProcessForCPU(std::shared_ptr<Process> process, u32 core_id) {
if (current_cpu->GetID() == core_id) {
current_process = process;
SetCurrentMemoryPageTable(process->vm_manager.page_table);
} else {
stored_processes[core_id] = process;
thread_managers[core_id]->cpu->SetPageTable(process->vm_manager.page_table);
}
}
void KernelSystem::SetCurrentMemoryPageTable(std::shared_ptr<Memory::PageTable> page_table) {
memory.SetCurrentPageTable(page_table);
if (current_cpu != nullptr) {
current_cpu->SetPageTable(page_table);
}
}
void KernelSystem::SetCPUs(std::vector<std::shared_ptr<Core::ARM_Interface>> cpus) {
ASSERT(cpus.size() == thread_managers.size());
for (u32 i = 0; i < cpus.size(); i++) {
thread_managers[i]->SetCPU(*cpus[i]);
}
}
void KernelSystem::SetRunningCPU(Core::ARM_Interface* cpu) {
if (current_process) {
stored_processes[current_cpu->GetID()] = current_process;
}
current_cpu = cpu;
timing.SetCurrentTimer(cpu->GetID());
if (stored_processes[current_cpu->GetID()]) {
SetCurrentProcess(stored_processes[current_cpu->GetID()]);
}
}
ThreadManager& KernelSystem::GetThreadManager(u32 core_id) {
return *thread_managers[core_id];
}
const ThreadManager& KernelSystem::GetThreadManager(u32 core_id) const {
return *thread_managers[core_id];
}
ThreadManager& KernelSystem::GetCurrentThreadManager() {
return *thread_managers[current_cpu->GetID()];
}
const ThreadManager& KernelSystem::GetCurrentThreadManager() const {
return *thread_managers[current_cpu->GetID()];
}
TimerManager& KernelSystem::GetTimerManager() {
return *timer_manager;
}
const TimerManager& KernelSystem::GetTimerManager() const {
return *timer_manager;
}
SharedPage::Handler& KernelSystem::GetSharedPageHandler() {
return *shared_page_handler;
}
const SharedPage::Handler& KernelSystem::GetSharedPageHandler() const {
return *shared_page_handler;
}
ConfigMem::Handler& KernelSystem::GetConfigMemHandler() {
return *config_mem_handler;
}
IPCDebugger::Recorder& KernelSystem::GetIPCRecorder() {
return *ipc_recorder;
}
const IPCDebugger::Recorder& KernelSystem::GetIPCRecorder() const {
return *ipc_recorder;
}
void KernelSystem::AddNamedPort(std::string name, std::shared_ptr<ClientPort> port) {
named_ports.emplace(std::move(name), std::move(port));
}
u32 KernelSystem::NewThreadId() {
return next_thread_id++;
}
void KernelSystem::ResetThreadIDs() {
next_thread_id = 0;
}
template <class Archive>
void KernelSystem::serialize(Archive& ar, const unsigned int) {
ar& memory_regions;
ar& named_ports;
// current_cpu set externally
// NB: subsystem references and prepare_reschedule_callback are constant
ar&* resource_limits.get();
ar& next_object_id;
ar&* timer_manager.get();
ar& next_process_id;
ar& process_list;
ar& current_process;
// NB: core count checked in 'core'
for (auto& thread_manager : thread_managers) {
ar&* thread_manager.get();
}
ar& config_mem_handler;
ar& shared_page_handler;
ar& stored_processes;
ar& next_thread_id;
ar& memory_mode;
ar& n3ds_hw_caps;
ar& main_thread_extended_sleep;
// Deliberately don't include debugger info to allow debugging through loads
if (Archive::is_loading::value) {
for (auto& memory_region : memory_regions) {
memory_region->Unlock();
}
for (auto& process : process_list) {
process->vm_manager.Unlock();
}
}
}
SERIALIZE_IMPL(KernelSystem)
template <class Archive>
void New3dsHwCapabilities::serialize(Archive& ar, const unsigned int) {
ar& enable_l2_cache;
ar& enable_804MHz_cpu;
ar& memory_mode;
}
SERIALIZE_IMPL(New3dsHwCapabilities)
} // namespace Kernel
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