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kernel: update KProcess

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This commit is contained in:
Liam 2023-10-21 16:47:43 -04:00
parent db37e583ff
commit 8c59543ee3
39 changed files with 2004 additions and 1209 deletions
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952
src/core/hle/kernel/k_process.h
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@ -1,59 +1,23 @@
// SPDX-FileCopyrightText: 2015 Citra Emulator Project
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <cstddef>
#include <list>
#include <map>
#include <string>
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_address_arbiter.h"
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_capabilities.h"
#include "core/hle/kernel/k_condition_variable.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_page_table.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_page_table_manager.h"
#include "core/hle/kernel/k_system_resource.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_thread_local_page.h"
#include "core/hle/kernel/k_typed_address.h"
#include "core/hle/kernel/k_worker_task.h"
#include "core/hle/kernel/process_capability.h"
#include "core/hle/kernel/slab_helpers.h"
#include "core/hle/result.h"
namespace Core {
namespace Memory {
class Memory;
};
class System;
} // namespace Core
namespace FileSys {
class ProgramMetadata;
}
namespace Kernel {
class KernelCore;
class KResourceLimit;
class KThread;
class KSharedMemoryInfo;
class TLSPage;
struct CodeSet;
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
enum class ProcessActivity : u32 {
Runnable,
Paused,
};
enum class DebugWatchpointType : u8 {
None = 0,
Read = 1 << 0,
@ -72,9 +36,6 @@ class KProcess final : public KAutoObjectWithSlabHeapAndContainer<KProcess, KWor
KERNEL_AUTOOBJECT_TRAITS(KProcess, KSynchronizationObject);
public:
explicit KProcess(KernelCore& kernel);
~KProcess() override;
enum class State {
Created = static_cast<u32>(Svc::ProcessState::Created),
CreatedAttached = static_cast<u32>(Svc::ProcessState::CreatedAttached),
@ -86,337 +47,83 @@ public:
DebugBreak = static_cast<u32>(Svc::ProcessState::DebugBreak),
};
enum : u64 {
/// Lowest allowed process ID for a kernel initial process.
InitialKIPIDMin = 1,
/// Highest allowed process ID for a kernel initial process.
InitialKIPIDMax = 80,
using ThreadList = Common::IntrusiveListMemberTraits<&KThread::m_process_list_node>::ListType;
/// Lowest allowed process ID for a userland process.
ProcessIDMin = 81,
/// Highest allowed process ID for a userland process.
ProcessIDMax = 0xFFFFFFFFFFFFFFFF,
};
static constexpr size_t AslrAlignment = 2_MiB;
// Used to determine how process IDs are assigned.
enum class ProcessType {
KernelInternal,
Userland,
};
public:
static constexpr u64 InitialProcessIdMin = 1;
static constexpr u64 InitialProcessIdMax = 0x50;
static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4;
static Result Initialize(KProcess* process, Core::System& system, std::string process_name,
ProcessType type, KResourceLimit* res_limit);
/// Gets a reference to the process' page table.
KPageTable& GetPageTable() {
return m_page_table;
}
/// Gets const a reference to the process' page table.
const KPageTable& GetPageTable() const {
return m_page_table;
}
/// Gets a reference to the process' handle table.
KHandleTable& GetHandleTable() {
return m_handle_table;
}
/// Gets a const reference to the process' handle table.
const KHandleTable& GetHandleTable() const {
return m_handle_table;
}
/// Gets a reference to process's memory.
Core::Memory::Memory& GetMemory() const;
Result SignalToAddress(KProcessAddress address) {
return m_condition_var.SignalToAddress(address);
}
Result WaitForAddress(Handle handle, KProcessAddress address, u32 tag) {
return m_condition_var.WaitForAddress(handle, address, tag);
}
void SignalConditionVariable(u64 cv_key, int32_t count) {
return m_condition_var.Signal(cv_key, count);
}
Result WaitConditionVariable(KProcessAddress address, u64 cv_key, u32 tag, s64 ns) {
R_RETURN(m_condition_var.Wait(address, cv_key, tag, ns));
}
Result SignalAddressArbiter(uint64_t address, Svc::SignalType signal_type, s32 value,
s32 count) {
R_RETURN(m_address_arbiter.SignalToAddress(address, signal_type, value, count));
}
Result WaitAddressArbiter(uint64_t address, Svc::ArbitrationType arb_type, s32 value,
s64 timeout) {
R_RETURN(m_address_arbiter.WaitForAddress(address, arb_type, value, timeout));
}
KProcessAddress GetProcessLocalRegionAddress() const {
return m_plr_address;
}
/// Gets the current status of the process
State GetState() const {
return m_state;
}
/// Gets the unique ID that identifies this particular process.
u64 GetProcessId() const {
return m_process_id;
}
/// Gets the program ID corresponding to this process.
u64 GetProgramId() const {
return m_program_id;
}
KProcessAddress GetEntryPoint() const {
return m_code_address;
}
/// Gets the resource limit descriptor for this process
KResourceLimit* GetResourceLimit() const;
/// Gets the ideal CPU core ID for this process
u8 GetIdealCoreId() const {
return m_ideal_core;
}
/// Checks if the specified thread priority is valid.
bool CheckThreadPriority(s32 prio) const {
return ((1ULL << prio) & GetPriorityMask()) != 0;
}
/// Gets the bitmask of allowed cores that this process' threads can run on.
u64 GetCoreMask() const {
return m_capabilities.GetCoreMask();
}
/// Gets the bitmask of allowed thread priorities.
u64 GetPriorityMask() const {
return m_capabilities.GetPriorityMask();
}
/// Gets the amount of secure memory to allocate for memory management.
u32 GetSystemResourceSize() const {
return m_system_resource_size;
}
/// Gets the amount of secure memory currently in use for memory management.
u32 GetSystemResourceUsage() const {
// On hardware, this returns the amount of system resource memory that has
// been used by the kernel. This is problematic for Yuzu to emulate, because
// system resource memory is used for page tables -- and yuzu doesn't really
// have a way to calculate how much memory is required for page tables for
// the current process at any given time.
// TODO: Is this even worth implementing? Games may retrieve this value via
// an SDK function that gets used + available system resource size for debug
// or diagnostic purposes. However, it seems unlikely that a game would make
// decisions based on how much system memory is dedicated to its page tables.
// Is returning a value other than zero wise?
return 0;
}
/// Whether this process is an AArch64 or AArch32 process.
bool Is64BitProcess() const {
return m_is_64bit_process;
}
bool IsSuspended() const {
return m_is_suspended;
}
void SetSuspended(bool suspended) {
m_is_suspended = suspended;
}
/// Gets the total running time of the process instance in ticks.
u64 GetCPUTimeTicks() const {
return m_total_process_running_time_ticks;
}
/// Updates the total running time, adding the given ticks to it.
void UpdateCPUTimeTicks(u64 ticks) {
m_total_process_running_time_ticks += ticks;
}
/// Gets the process schedule count, used for thread yielding
s64 GetScheduledCount() const {
return m_schedule_count;
}
/// Increments the process schedule count, used for thread yielding.
void IncrementScheduledCount() {
++m_schedule_count;
}
void IncrementRunningThreadCount();
void DecrementRunningThreadCount();
void SetRunningThread(s32 core, KThread* thread, u64 idle_count) {
m_running_threads[core] = thread;
m_running_thread_idle_counts[core] = idle_count;
}
void ClearRunningThread(KThread* thread) {
for (size_t i = 0; i < m_running_threads.size(); ++i) {
if (m_running_threads[i] == thread) {
m_running_threads[i] = nullptr;
}
}
}
[[nodiscard]] KThread* GetRunningThread(s32 core) const {
return m_running_threads[core];
}
bool ReleaseUserException(KThread* thread);
[[nodiscard]] KThread* GetPinnedThread(s32 core_id) const {
ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
return m_pinned_threads[core_id];
}
/// Gets 8 bytes of random data for svcGetInfo RandomEntropy
u64 GetRandomEntropy(std::size_t index) const {
return m_random_entropy.at(index);
}
/// Retrieves the total physical memory available to this process in bytes.
u64 GetTotalPhysicalMemoryAvailable();
/// Retrieves the total physical memory available to this process in bytes,
/// without the size of the personal system resource heap added to it.
u64 GetTotalPhysicalMemoryAvailableWithoutSystemResource();
/// Retrieves the total physical memory used by this process in bytes.
u64 GetTotalPhysicalMemoryUsed();
/// Retrieves the total physical memory used by this process in bytes,
/// without the size of the personal system resource heap added to it.
u64 GetTotalPhysicalMemoryUsedWithoutSystemResource();
/// Gets the list of all threads created with this process as their owner.
std::list<KThread*>& GetThreadList() {
return m_thread_list;
}
/// Registers a thread as being created under this process,
/// adding it to this process' thread list.
void RegisterThread(KThread* thread);
/// Unregisters a thread from this process, removing it
/// from this process' thread list.
void UnregisterThread(KThread* thread);
/// Retrieves the number of available threads for this process.
u64 GetFreeThreadCount() const;
/// Clears the signaled state of the process if and only if it's signaled.
///
/// @pre The process must not be already terminated. If this is called on a
/// terminated process, then ResultInvalidState will be returned.
///
/// @pre The process must be in a signaled state. If this is called on a
/// process instance that is not signaled, ResultInvalidState will be
/// returned.
Result Reset();
/**
* Loads process-specifics configuration info with metadata provided
* by an executable.
*
* @param metadata The provided metadata to load process specific info from.
*
* @returns ResultSuccess if all relevant metadata was able to be
* loaded and parsed. Otherwise, an error code is returned.
*/
Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
bool is_hbl);
/**
* Starts the main application thread for this process.
*
* @param main_thread_priority The priority for the main thread.
* @param stack_size The stack size for the main thread in bytes.
*/
void Run(s32 main_thread_priority, u64 stack_size);
/**
* Prepares a process for termination by stopping all of its threads
* and clearing any other resources.
*/
void PrepareForTermination();
void LoadModule(CodeSet code_set, KProcessAddress base_addr);
bool IsInitialized() const override {
return m_is_initialized;
}
static void PostDestroy(uintptr_t arg) {}
void Finalize() override;
u64 GetId() const override {
return GetProcessId();
}
bool IsHbl() const {
return m_is_hbl;
}
bool IsSignaled() const override;
void DoWorkerTaskImpl();
Result SetActivity(ProcessActivity activity);
void PinCurrentThread(s32 core_id);
void UnpinCurrentThread(s32 core_id);
void UnpinThread(KThread* thread);
KLightLock& GetStateLock() {
return m_state_lock;
}
Result AddSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size);
void RemoveSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size);
///////////////////////////////////////////////////////////////////////////////////////////////
// Thread-local storage management
// Marks the next available region as used and returns the address of the slot.
[[nodiscard]] Result CreateThreadLocalRegion(KProcessAddress* out);
// Frees a used TLS slot identified by the given address
Result DeleteThreadLocalRegion(KProcessAddress addr);
///////////////////////////////////////////////////////////////////////////////////////////////
// Debug watchpoint management
// Attempts to insert a watchpoint into a free slot. Returns false if none are available.
bool InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type);
// Attempts to remove the watchpoint specified by the given parameters.
bool RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type);
const std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>& GetWatchpoints() const {
return m_watchpoints;
}
const std::string& GetName() {
return name;
}
static constexpr u64 ProcessIdMin = InitialProcessIdMax + 1;
static constexpr u64 ProcessIdMax = std::numeric_limits<u64>::max();
private:
using SharedMemoryInfoList = Common::IntrusiveListBaseTraits<KSharedMemoryInfo>::ListType;
using TLPTree =
Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;
using TLPIterator = TLPTree::iterator;
private:
KPageTable m_page_table;
std::atomic<size_t> m_used_kernel_memory_size{};
TLPTree m_fully_used_tlp_tree{};
TLPTree m_partially_used_tlp_tree{};
s32 m_ideal_core_id{};
KResourceLimit* m_resource_limit{};
KSystemResource* m_system_resource{};
size_t m_memory_release_hint{};
State m_state{};
KLightLock m_state_lock;
KLightLock m_list_lock;
KConditionVariable m_cond_var;
KAddressArbiter m_address_arbiter;
std::array<u64, 4> m_entropy{};
bool m_is_signaled{};
bool m_is_initialized{};
bool m_is_application{};
bool m_is_default_application_system_resource{};
bool m_is_hbl{};
std::array<char, 13> m_name{};
std::atomic<u16> m_num_running_threads{};
Svc::CreateProcessFlag m_flags{};
KMemoryManager::Pool m_memory_pool{};
s64 m_schedule_count{};
KCapabilities m_capabilities{};
u64 m_program_id{};
u64 m_process_id{};
KProcessAddress m_code_address{};
size_t m_code_size{};
size_t m_main_thread_stack_size{};
size_t m_max_process_memory{};
u32 m_version{};
KHandleTable m_handle_table;
KProcessAddress m_plr_address{};
KThread* m_exception_thread{};
ThreadList m_thread_list{};
SharedMemoryInfoList m_shared_memory_list{};
bool m_is_suspended{};
bool m_is_immortal{};
bool m_is_handle_table_initialized{};
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_running_threads{};
std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_idle_counts{};
std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_switch_counts{};
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_pinned_threads{};
std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> m_watchpoints{};
std::map<KProcessAddress, u64> m_debug_page_refcounts{};
std::atomic<s64> m_cpu_time{};
std::atomic<s64> m_num_process_switches{};
std::atomic<s64> m_num_thread_switches{};
std::atomic<s64> m_num_fpu_switches{};
std::atomic<s64> m_num_supervisor_calls{};
std::atomic<s64> m_num_ipc_messages{};
std::atomic<s64> m_num_ipc_replies{};
std::atomic<s64> m_num_ipc_receives{};
private:
Result StartTermination();
void FinishTermination();
void PinThread(s32 core_id, KThread* thread) {
ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
ASSERT(thread != nullptr);
@ -431,6 +138,395 @@ private:
m_pinned_threads[core_id] = nullptr;
}
public:
explicit KProcess(KernelCore& kernel);
~KProcess() override;
Result Initialize(const Svc::CreateProcessParameter& params, KResourceLimit* res_limit,
bool is_real);
Result Initialize(const Svc::CreateProcessParameter& params, const KPageGroup& pg,
std::span<const u32> caps, KResourceLimit* res_limit,
KMemoryManager::Pool pool, bool immortal);
Result Initialize(const Svc::CreateProcessParameter& params, std::span<const u32> user_caps,
KResourceLimit* res_limit, KMemoryManager::Pool pool);
void Exit();
const char* GetName() const {
return m_name.data();
}
u64 GetProgramId() const {
return m_program_id;
}
u64 GetProcessId() const {
return m_process_id;
}
State GetState() const {
return m_state;
}
u64 GetCoreMask() const {
return m_capabilities.GetCoreMask();
}
u64 GetPhysicalCoreMask() const {
return m_capabilities.GetPhysicalCoreMask();
}
u64 GetPriorityMask() const {
return m_capabilities.GetPriorityMask();
}
s32 GetIdealCoreId() const {
return m_ideal_core_id;
}
void SetIdealCoreId(s32 core_id) {
m_ideal_core_id = core_id;
}
bool CheckThreadPriority(s32 prio) const {
return ((1ULL << prio) & this->GetPriorityMask()) != 0;
}
u32 GetCreateProcessFlags() const {
return static_cast<u32>(m_flags);
}
bool Is64Bit() const {
return True(m_flags & Svc::CreateProcessFlag::Is64Bit);
}
KProcessAddress GetEntryPoint() const {
return m_code_address;
}
size_t GetMainStackSize() const {
return m_main_thread_stack_size;
}
KMemoryManager::Pool GetMemoryPool() const {
return m_memory_pool;
}
u64 GetRandomEntropy(size_t i) const {
return m_entropy[i];
}
bool IsApplication() const {
return m_is_application;
}
bool IsDefaultApplicationSystemResource() const {
return m_is_default_application_system_resource;
}
bool IsSuspended() const {
return m_is_suspended;
}
void SetSuspended(bool suspended) {
m_is_suspended = suspended;
}
Result Terminate();
bool IsTerminated() const {
return m_state == State::Terminated;
}
bool IsPermittedSvc(u32 svc_id) const {
return m_capabilities.IsPermittedSvc(svc_id);
}
bool IsPermittedInterrupt(s32 interrupt_id) const {
return m_capabilities.IsPermittedInterrupt(interrupt_id);
}
bool IsPermittedDebug() const {
return m_capabilities.IsPermittedDebug();
}
bool CanForceDebug() const {
return m_capabilities.CanForceDebug();
}
bool IsHbl() const {
return m_is_hbl;
}
Kernel::KMemoryManager::Direction GetAllocateOption() const {
// TODO: property of the KPageTableBase
return KMemoryManager::Direction::FromFront;
}
ThreadList& GetThreadList() {
return m_thread_list;
}
const ThreadList& GetThreadList() const {
return m_thread_list;
}
bool EnterUserException();
bool LeaveUserException();
bool ReleaseUserException(KThread* thread);
KThread* GetPinnedThread(s32 core_id) const {
ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES));
return m_pinned_threads[core_id];
}
const Svc::SvcAccessFlagSet& GetSvcPermissions() const {
return m_capabilities.GetSvcPermissions();
}
KResourceLimit* GetResourceLimit() const {
return m_resource_limit;
}
bool ReserveResource(Svc::LimitableResource which, s64 value);
bool ReserveResource(Svc::LimitableResource which, s64 value, s64 timeout);
void ReleaseResource(Svc::LimitableResource which, s64 value);
void ReleaseResource(Svc::LimitableResource which, s64 value, s64 hint);
KLightLock& GetStateLock() {
return m_state_lock;
}
KLightLock& GetListLock() {
return m_list_lock;
}
KPageTable& GetPageTable() {
return m_page_table;
}
const KPageTable& GetPageTable() const {
return m_page_table;
}
KHandleTable& GetHandleTable() {
return m_handle_table;
}
const KHandleTable& GetHandleTable() const {
return m_handle_table;
}
size_t GetUsedUserPhysicalMemorySize() const;
size_t GetTotalUserPhysicalMemorySize() const;
size_t GetUsedNonSystemUserPhysicalMemorySize() const;
size_t GetTotalNonSystemUserPhysicalMemorySize() const;
Result AddSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size);
void RemoveSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size);
Result CreateThreadLocalRegion(KProcessAddress* out);
Result DeleteThreadLocalRegion(KProcessAddress addr);
KProcessAddress GetProcessLocalRegionAddress() const {
return m_plr_address;
}
KThread* GetExceptionThread() const {
return m_exception_thread;
}
void AddCpuTime(s64 diff) {
m_cpu_time += diff;
}
s64 GetCpuTime() {
return m_cpu_time.load();
}
s64 GetScheduledCount() const {
return m_schedule_count;
}
void IncrementScheduledCount() {
++m_schedule_count;
}
void IncrementRunningThreadCount();
void DecrementRunningThreadCount();
size_t GetRequiredSecureMemorySizeNonDefault() const {
if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) {
auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource);
return secure_system_resource->CalculateRequiredSecureMemorySize();
}
return 0;
}
size_t GetRequiredSecureMemorySize() const {
if (m_system_resource->IsSecureResource()) {
auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource);
return secure_system_resource->CalculateRequiredSecureMemorySize();
}
return 0;
}
size_t GetTotalSystemResourceSize() const {
if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) {
auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource);
return secure_system_resource->GetSize();
}
return 0;
}
size_t GetUsedSystemResourceSize() const {
if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) {
auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource);
return secure_system_resource->GetUsedSize();
}
return 0;
}
void SetRunningThread(s32 core, KThread* thread, u64 idle_count, u64 switch_count) {
m_running_threads[core] = thread;
m_running_thread_idle_counts[core] = idle_count;
m_running_thread_switch_counts[core] = switch_count;
}
void ClearRunningThread(KThread* thread) {
for (size_t i = 0; i < m_running_threads.size(); ++i) {
if (m_running_threads[i] == thread) {
m_running_threads[i] = nullptr;
}
}
}
const KSystemResource& GetSystemResource() const {
return *m_system_resource;
}
const KMemoryBlockSlabManager& GetMemoryBlockSlabManager() const {
return m_system_resource->GetMemoryBlockSlabManager();
}
const KBlockInfoManager& GetBlockInfoManager() const {
return m_system_resource->GetBlockInfoManager();
}
const KPageTableManager& GetPageTableManager() const {
return m_system_resource->GetPageTableManager();
}
KThread* GetRunningThread(s32 core) const {
return m_running_threads[core];
}
u64 GetRunningThreadIdleCount(s32 core) const {
return m_running_thread_idle_counts[core];
}
u64 GetRunningThreadSwitchCount(s32 core) const {
return m_running_thread_switch_counts[core];
}
void RegisterThread(KThread* thread);
void UnregisterThread(KThread* thread);
Result Run(s32 priority, size_t stack_size);
Result Reset();
void SetDebugBreak() {
if (m_state == State::RunningAttached) {
this->ChangeState(State::DebugBreak);
}
}
void SetAttached() {
if (m_state == State::DebugBreak) {
this->ChangeState(State::RunningAttached);
}
}
Result SetActivity(Svc::ProcessActivity activity);
void PinCurrentThread();
void UnpinCurrentThread();
void UnpinThread(KThread* thread);
void SignalConditionVariable(uintptr_t cv_key, int32_t count) {
return m_cond_var.Signal(cv_key, count);
}
Result WaitConditionVariable(KProcessAddress address, uintptr_t cv_key, u32 tag, s64 ns) {
R_RETURN(m_cond_var.Wait(address, cv_key, tag, ns));
}
Result SignalAddressArbiter(uintptr_t address, Svc::SignalType signal_type, s32 value,
s32 count) {
R_RETURN(m_address_arbiter.SignalToAddress(address, signal_type, value, count));
}
Result WaitAddressArbiter(uintptr_t address, Svc::ArbitrationType arb_type, s32 value,
s64 timeout) {
R_RETURN(m_address_arbiter.WaitForAddress(address, arb_type, value, timeout));
}
Result GetThreadList(s32* out_num_threads, KProcessAddress out_thread_ids, s32 max_out_count);
static void Switch(KProcess* cur_process, KProcess* next_process);
public:
// Attempts to insert a watchpoint into a free slot. Returns false if none are available.
bool InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type);
// Attempts to remove the watchpoint specified by the given parameters.
bool RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type);
const std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>& GetWatchpoints() const {
return m_watchpoints;
}
public:
Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size,
bool is_hbl);
void LoadModule(CodeSet code_set, KProcessAddress base_addr);
Core::Memory::Memory& GetMemory() const;
public:
// Overridden parent functions.
bool IsInitialized() const override {
return m_is_initialized;
}
static void PostDestroy(uintptr_t arg) {}
void Finalize() override;
u64 GetIdImpl() const {
return this->GetProcessId();
}
u64 GetId() const override {
return this->GetIdImpl();
}
virtual bool IsSignaled() const override {
ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel));
return m_is_signaled;
}
void DoWorkerTaskImpl();
private:
void ChangeState(State new_state) {
if (m_state != new_state) {
m_state = new_state;
m_is_signaled = true;
this->NotifyAvailable();
}
}
Result InitializeHandleTable(s32 size) {
// Try to initialize the handle table.
R_TRY(m_handle_table.Initialize(size));
// We succeeded, so note that we did.
m_is_handle_table_initialized = true;
R_SUCCEED();
}
void FinalizeHandleTable() {
// Finalize the table.
m_handle_table.Finalize();
@ -438,118 +534,6 @@ private:
// Note that the table is finalized.
m_is_handle_table_initialized = false;
}
void ChangeState(State new_state);
/// Allocates the main thread stack for the process, given the stack size in bytes.
Result AllocateMainThreadStack(std::size_t stack_size);
/// Memory manager for this process
KPageTable m_page_table;
/// Current status of the process
State m_state{};
/// The ID of this process
u64 m_process_id = 0;
/// Title ID corresponding to the process
u64 m_program_id = 0;
/// Specifies additional memory to be reserved for the process's memory management by the
/// system. When this is non-zero, secure memory is allocated and used for page table allocation
/// instead of using the normal global page tables/memory block management.
u32 m_system_resource_size = 0;
/// Resource limit descriptor for this process
KResourceLimit* m_resource_limit{};
KVirtualAddress m_system_resource_address{};
/// The ideal CPU core for this process, threads are scheduled on this core by default.
u8 m_ideal_core = 0;
/// Contains the parsed process capability descriptors.
ProcessCapabilities m_capabilities;
/// Whether or not this process is AArch64, or AArch32.
/// By default, we currently assume this is true, unless otherwise
/// specified by metadata provided to the process during loading.
bool m_is_64bit_process = true;
/// Total running time for the process in ticks.
std::atomic<u64> m_total_process_running_time_ticks = 0;
/// Per-process handle table for storing created object handles in.
KHandleTable m_handle_table;
/// Per-process address arbiter.
KAddressArbiter m_address_arbiter;
/// The per-process mutex lock instance used for handling various
/// forms of services, such as lock arbitration, and condition
/// variable related facilities.
KConditionVariable m_condition_var;
/// Address indicating the location of the process' dedicated TLS region.
KProcessAddress m_plr_address = 0;
/// Address indicating the location of the process's entry point.
KProcessAddress m_code_address = 0;
/// Random values for svcGetInfo RandomEntropy
std::array<u64, RANDOM_ENTROPY_SIZE> m_random_entropy{};
/// List of threads that are running with this process as their owner.
std::list<KThread*> m_thread_list;
/// List of shared memory that are running with this process as their owner.
std::list<KSharedMemoryInfo*> m_shared_memory_list;
/// Address of the top of the main thread's stack
KProcessAddress m_main_thread_stack_top{};
/// Size of the main thread's stack
std::size_t m_main_thread_stack_size{};
/// Memory usage capacity for the process
std::size_t m_memory_usage_capacity{};
/// Process total image size
std::size_t m_image_size{};
/// Schedule count of this process
s64 m_schedule_count{};
size_t m_memory_release_hint{};
std::string name{};
bool m_is_signaled{};
bool m_is_suspended{};
bool m_is_immortal{};
bool m_is_handle_table_initialized{};
bool m_is_initialized{};
bool m_is_hbl{};
std::atomic<u16> m_num_running_threads{};
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_running_threads{};
std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_idle_counts{};
std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_pinned_threads{};
std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> m_watchpoints{};
std::map<KProcessAddress, u64> m_debug_page_refcounts;
KThread* m_exception_thread{};
KLightLock m_state_lock;
KLightLock m_list_lock;
using TLPTree =
Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>;
using TLPIterator = TLPTree::iterator;
TLPTree m_fully_used_tlp_tree;
TLPTree m_partially_used_tlp_tree;
};
} // namespace Kernel