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Merge pull request #1469 from lioncash/ptr 

kernel/thread: Use a regular pointer for the owner/current process
This commit is contained in:
bunnei 2018-10-10 10:34:20 -04:00 committed by GitHub
parent 5461b21c7a 5c0408596f
commit 68b3d8b7a9
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 41 additions and 39 deletions
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2
src/core/arm/dynarmic/arm_dynarmic.cpp
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@ -129,7 +129,7 @@ public:
};
std::unique_ptr<Dynarmic::A64::Jit> ARM_Dynarmic::MakeJit() const {
auto& current_process = Core::CurrentProcess();
auto* current_process = Core::CurrentProcess();
auto** const page_table = current_process->VMManager().page_table.pointers.data();
Dynarmic::A64::UserConfig config;

7
src/core/core.cpp
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@ -136,7 +136,8 @@ struct System::Impl {
if (virtual_filesystem == nullptr)
virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
kernel.MakeCurrentProcess(Kernel::Process::Create(kernel, "main"));
auto main_process = Kernel::Process::Create(kernel, "main");
kernel.MakeCurrentProcess(main_process.get());
cpu_barrier = std::make_shared<CpuBarrier>();
cpu_exclusive_monitor = Cpu::MakeExclusiveMonitor(cpu_cores.size());
@ -361,11 +362,11 @@ const std::shared_ptr<Kernel::Scheduler>& System::Scheduler(std::size_t core_ind
return impl->cpu_cores[core_index]->Scheduler();
}
Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() {
Kernel::Process* System::CurrentProcess() {
return impl->kernel.CurrentProcess();
}
const Kernel::SharedPtr<Kernel::Process>& System::CurrentProcess() const {
const Kernel::Process* System::CurrentProcess() const {
return impl->kernel.CurrentProcess();
}

10
src/core/core.h
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@ -174,11 +174,11 @@ public:
/// Gets the scheduler for the CPU core with the specified index
const std::shared_ptr<Kernel::Scheduler>& Scheduler(std::size_t core_index);
/// Provides a reference to the current process
Kernel::SharedPtr<Kernel::Process>& CurrentProcess();
/// Provides a pointer to the current process
Kernel::Process* CurrentProcess();
/// Provides a constant reference to the current process.
const Kernel::SharedPtr<Kernel::Process>& CurrentProcess() const;
/// Provides a constant pointer to the current process.
const Kernel::Process* CurrentProcess() const;
/// Provides a reference to the kernel instance.
Kernel::KernelCore& Kernel();
@ -246,7 +246,7 @@ inline TelemetrySession& Telemetry() {
return System::GetInstance().TelemetrySession();
}
inline Kernel::SharedPtr<Kernel::Process>& CurrentProcess() {
inline Kernel::Process* CurrentProcess() {
return System::GetInstance().CurrentProcess();
}

12
src/core/hle/kernel/kernel.cpp
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@ -116,7 +116,7 @@ struct KernelCore::Impl {
next_thread_id = 1;
process_list.clear();
current_process.reset();
current_process = nullptr;
handle_table.Clear();
resource_limits.fill(nullptr);
@ -207,7 +207,7 @@ struct KernelCore::Impl {
// Lists all processes that exist in the current session.
std::vector<SharedPtr<Process>> process_list;
SharedPtr<Process> current_process;
Process* current_process = nullptr;
Kernel::HandleTable handle_table;
std::array<SharedPtr<ResourceLimit>, 4> resource_limits;
@ -266,15 +266,15 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
impl->process_list.push_back(std::move(process));
}
void KernelCore::MakeCurrentProcess(SharedPtr<Process> process) {
impl->current_process = std::move(process);
void KernelCore::MakeCurrentProcess(Process* process) {
impl->current_process = process;
}
SharedPtr<Process>& KernelCore::CurrentProcess() {
Process* KernelCore::CurrentProcess() {
return impl->current_process;
}
const SharedPtr<Process>& KernelCore::CurrentProcess() const {
const Process* KernelCore::CurrentProcess() const {
return impl->current_process;
}

10
src/core/hle/kernel/kernel.h
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@ -66,13 +66,13 @@ public:
void AppendNewProcess(SharedPtr<Process> process);
/// Makes the given process the new current process.
void MakeCurrentProcess(SharedPtr<Process> process);
void MakeCurrentProcess(Process* process);
/// Retrieves a reference to the current process.
SharedPtr<Process>& CurrentProcess();
/// Retrieves a pointer to the current process.
Process* CurrentProcess();
/// Retrieves a const reference to the current process.
const SharedPtr<Process>& CurrentProcess() const;
/// Retrieves a const pointer to the current process.
const Process* CurrentProcess() const;
/// Adds a port to the named port table
void AddNamedPort(std::string name, SharedPtr<ClientPort> port);

8
src/core/hle/kernel/scheduler.cpp
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@ -9,7 +9,7 @@
#include "common/logging/log.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/scheduler.h"
@ -78,16 +78,16 @@ void Scheduler::SwitchContext(Thread* new_thread) {
// Cancel any outstanding wakeup events for this thread
new_thread->CancelWakeupTimer();
auto previous_process = Core::CurrentProcess();
auto* const previous_process = Core::CurrentProcess();
current_thread = new_thread;
ready_queue.remove(new_thread->GetPriority(), new_thread);
new_thread->SetStatus(ThreadStatus::Running);
const auto thread_owner_process = current_thread->GetOwnerProcess();
auto* const thread_owner_process = current_thread->GetOwnerProcess();
if (previous_process != thread_owner_process) {
Core::CurrentProcess() = thread_owner_process;
Core::System::GetInstance().Kernel().MakeCurrentProcess(thread_owner_process);
SetCurrentPageTable(&Core::CurrentProcess()->VMManager().page_table);
}

12
src/core/hle/kernel/svc.cpp
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@ -341,7 +341,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
LOG_TRACE(Kernel_SVC, "called info_id=0x{:X}, info_sub_id=0x{:X}, handle=0x{:08X}", info_id,
info_sub_id, handle);
const auto& current_process = Core::CurrentProcess();
const auto* current_process = Core::CurrentProcess();
const auto& vm_manager = current_process->VMManager();
switch (static_cast<GetInfoType>(info_id)) {
@ -439,7 +439,7 @@ static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
return ERR_INVALID_HANDLE;
}
const auto current_process = Core::CurrentProcess();
const auto* current_process = Core::CurrentProcess();
if (thread->GetOwnerProcess() != current_process) {
return ERR_INVALID_HANDLE;
}
@ -531,7 +531,7 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
return ERR_INVALID_HANDLE;
}
return shared_memory->Map(Core::CurrentProcess().get(), addr, permissions_type,
return shared_memory->Map(Core::CurrentProcess(), addr, permissions_type,
MemoryPermission::DontCare);
}
@ -550,7 +550,7 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
auto& kernel = Core::System::GetInstance().Kernel();
auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
return shared_memory->Unmap(Core::CurrentProcess().get(), addr);
return shared_memory->Unmap(Core::CurrentProcess(), addr);
}
/// Query process memory
@ -588,7 +588,7 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd
/// Exits the current process
static void ExitProcess() {
auto& current_process = Core::CurrentProcess();
auto* current_process = Core::CurrentProcess();
LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->GetProcessID());
ASSERT_MSG(current_process->GetStatus() == ProcessStatus::Running,
@ -636,7 +636,7 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
auto& kernel = Core::System::GetInstance().Kernel();
CASCADE_RESULT(SharedPtr<Thread> thread,
Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
Core::CurrentProcess()));
*Core::CurrentProcess()));
const auto new_guest_handle = kernel.HandleTable().Create(thread);
if (new_guest_handle.Failed()) {
return new_guest_handle.Code();

8
src/core/hle/kernel/thread.cpp
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@ -194,7 +194,7 @@ static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAdd
ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
u32 priority, u64 arg, s32 processor_id,
VAddr stack_top, SharedPtr<Process> owner_process) {
VAddr stack_top, Process& owner_process) {
// Check if priority is in ranged. Lowest priority -> highest priority id.
if (priority > THREADPRIO_LOWEST) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
@ -208,7 +208,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
// TODO(yuriks): Other checks, returning 0xD9001BEA
if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
// TODO (bunnei): Find the correct error code to use here
return ResultCode(-1);
@ -232,7 +232,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
thread->wait_handle = 0;
thread->name = std::move(name);
thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
thread->owner_process = owner_process;
thread->owner_process = &owner_process;
thread->scheduler = Core::System::GetInstance().Scheduler(processor_id).get();
thread->scheduler->AddThread(thread, priority);
thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
@ -264,7 +264,7 @@ SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 pri
// Initialize new "main" thread
const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, THREADPROCESSORID_0,
stack_top, &owner_process);
stack_top, owner_process);
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();

8
src/core/hle/kernel/thread.h
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@ -89,7 +89,7 @@ public:
static ResultVal<SharedPtr<Thread>> Create(KernelCore& kernel, std::string name,
VAddr entry_point, u32 priority, u64 arg,
s32 processor_id, VAddr stack_top,
SharedPtr<Process> owner_process);
Process& owner_process);
std::string GetName() const override {
return name;
@ -262,11 +262,11 @@ public:
return processor_id;
}
SharedPtr<Process>& GetOwnerProcess() {
Process* GetOwnerProcess() {
return owner_process;
}
const SharedPtr<Process>& GetOwnerProcess() const {
const Process* GetOwnerProcess() const {
return owner_process;
}
@ -386,7 +386,7 @@ private:
u64 tpidr_el0 = 0; ///< TPIDR_EL0 read/write system register.
/// Process that owns this thread
SharedPtr<Process> owner_process;
Process* owner_process;
/// Objects that the thread is waiting on, in the same order as they were
/// passed to WaitSynchronization1/N.

3
src/tests/core/arm/arm_test_common.cpp
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@ -15,7 +15,8 @@ namespace ArmTests {
TestEnvironment::TestEnvironment(bool mutable_memory_)
: mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
Core::CurrentProcess() = Kernel::Process::Create(kernel, "");
auto process = Kernel::Process::Create(kernel, "");
kernel.MakeCurrentProcess(process.get());
page_table = &Core::CurrentProcess()->VMManager().page_table;
std::fill(page_table->pointers.begin(), page_table->pointers.end(), nullptr);