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https://github.com/yuzu-emu/yuzu.git
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kernel: process: Updates for new VMM.
This commit is contained in:
parent
77382ac2b2
commit
108564df57
@ -10,15 +10,18 @@
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#include "common/assert.h"
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/core.h"
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#include "core/device_memory.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/hle/kernel/code_set.h"
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#include "core/hle/kernel/code_set.h"
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#include "core/hle/kernel/errors.h"
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#include "core/hle/kernel/errors.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/memory/memory_block_manager.h"
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#include "core/hle/kernel/memory/page_table.h"
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#include "core/hle/kernel/memory/slab_heap.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/resource_limit.h"
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#include "core/hle/kernel/resource_limit.h"
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#include "core/hle/kernel/scheduler.h"
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#include "core/hle/kernel/scheduler.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/memory.h"
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#include "core/memory.h"
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#include "core/settings.h"
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#include "core/settings.h"
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@ -31,10 +34,8 @@ namespace {
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* @param kernel The kernel instance to create the main thread under.
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* @param kernel The kernel instance to create the main thread under.
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* @param priority The priority to give the main thread
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* @param priority The priority to give the main thread
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*/
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*/
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void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority) {
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void SetupMainThread(Process& owner_process, KernelCore& kernel, u32 priority, VAddr stack_top) {
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const auto& vm_manager = owner_process.VMManager();
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const VAddr entry_point = owner_process.PageTable().GetCodeRegionStart();
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const VAddr entry_point = vm_manager.GetCodeRegionBaseAddress();
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const VAddr stack_top = vm_manager.GetTLSIORegionEndAddress();
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auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
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auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0,
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owner_process.GetIdealCore(), stack_top, owner_process);
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owner_process.GetIdealCore(), stack_top, owner_process);
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@ -109,7 +110,7 @@ std::shared_ptr<Process> Process::Create(Core::System& system, std::string name,
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std::shared_ptr<Process> process = std::make_shared<Process>(system);
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std::shared_ptr<Process> process = std::make_shared<Process>(system);
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process->name = std::move(name);
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process->name = std::move(name);
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process->resource_limit = kernel.GetSystemResourceLimit();
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process->resource_limit = ResourceLimit::Create(kernel);
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process->status = ProcessStatus::Created;
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process->status = ProcessStatus::Created;
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process->program_id = 0;
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process->program_id = 0;
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process->process_id = type == ProcessType::KernelInternal ? kernel.CreateNewKernelProcessID()
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process->process_id = type == ProcessType::KernelInternal ? kernel.CreateNewKernelProcessID()
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@ -130,7 +131,14 @@ std::shared_ptr<ResourceLimit> Process::GetResourceLimit() const {
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}
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}
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u64 Process::GetTotalPhysicalMemoryAvailable() const {
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u64 Process::GetTotalPhysicalMemoryAvailable() const {
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return vm_manager.GetTotalPhysicalMemoryAvailable();
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const u64 capacity{resource_limit->GetCurrentResourceValue(ResourceType::PhysicalMemory) +
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page_table->GetTotalHeapSize() + image_size + main_thread_stack_size};
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if (capacity < memory_usage_capacity) {
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return capacity;
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}
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return memory_usage_capacity;
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}
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}
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u64 Process::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
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u64 Process::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
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@ -138,8 +146,7 @@ u64 Process::GetTotalPhysicalMemoryAvailableWithoutSystemResource() const {
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}
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}
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u64 Process::GetTotalPhysicalMemoryUsed() const {
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u64 Process::GetTotalPhysicalMemoryUsed() const {
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return vm_manager.GetCurrentHeapSize() + main_thread_stack_size + code_memory_size +
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return image_size + main_thread_stack_size + page_table->GetTotalHeapSize();
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GetSystemResourceUsage();
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}
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}
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u64 Process::GetTotalPhysicalMemoryUsedWithoutSystemResource() const {
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u64 Process::GetTotalPhysicalMemoryUsedWithoutSystemResource() const {
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@ -212,33 +219,82 @@ ResultCode Process::ClearSignalState() {
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return RESULT_SUCCESS;
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return RESULT_SUCCESS;
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}
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}
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ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) {
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ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata,
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std::size_t code_size) {
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program_id = metadata.GetTitleID();
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program_id = metadata.GetTitleID();
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ideal_core = metadata.GetMainThreadCore();
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ideal_core = metadata.GetMainThreadCore();
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is_64bit_process = metadata.Is64BitProgram();
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is_64bit_process = metadata.Is64BitProgram();
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system_resource_size = metadata.GetSystemResourceSize();
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system_resource_size = metadata.GetSystemResourceSize();
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image_size = code_size;
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vm_manager.Reset(metadata.GetAddressSpaceType());
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// Initialize proces address space
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if (const ResultCode result{
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const auto& caps = metadata.GetKernelCapabilities();
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page_table->InitializeForProcess(metadata.GetAddressSpaceType(), false, 0x8000000,
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const auto capability_init_result =
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code_size, Memory::MemoryManager::Pool::Application)};
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capabilities.InitializeForUserProcess(caps.data(), caps.size(), vm_manager);
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result.IsError()) {
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if (capability_init_result.IsError()) {
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return result;
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return capability_init_result;
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}
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}
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// Map process code region
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if (const ResultCode result{page_table->MapProcessCode(
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page_table->GetCodeRegionStart(), code_size / Memory::PageSize,
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Memory::MemoryState::Code, Memory::MemoryPermission::None)};
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result.IsError()) {
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return result;
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}
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// Initialize process capabilities
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const auto& caps{metadata.GetKernelCapabilities()};
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if (const ResultCode result{
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capabilities.InitializeForUserProcess(caps.data(), caps.size(), *page_table)};
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result.IsError()) {
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return result;
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}
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// Set memory usage capacity
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switch (metadata.GetAddressSpaceType()) {
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case FileSys::ProgramAddressSpaceType::Is32Bit:
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case FileSys::ProgramAddressSpaceType::Is36Bit:
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case FileSys::ProgramAddressSpaceType::Is39Bit:
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memory_usage_capacity = page_table->GetHeapRegionEnd() - page_table->GetHeapRegionStart();
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break;
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case FileSys::ProgramAddressSpaceType::Is32BitNoMap:
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memory_usage_capacity = page_table->GetHeapRegionEnd() - page_table->GetHeapRegionStart() +
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page_table->GetAliasRegionEnd() - page_table->GetAliasRegionStart();
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break;
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default:
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UNREACHABLE();
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}
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// Set initial resource limits
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resource_limit->SetLimitValue(
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ResourceType::PhysicalMemory,
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kernel.MemoryManager().GetSize(Memory::MemoryManager::Pool::Application));
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resource_limit->SetLimitValue(ResourceType::Threads, 608);
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resource_limit->SetLimitValue(ResourceType::Events, 700);
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resource_limit->SetLimitValue(ResourceType::TransferMemory, 128);
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resource_limit->SetLimitValue(ResourceType::Sessions, 894);
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ASSERT(resource_limit->Reserve(ResourceType::PhysicalMemory, code_size));
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// Create TLS region
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tls_region_address = CreateTLSRegion();
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return handle_table.SetSize(capabilities.GetHandleTableSize());
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return handle_table.SetSize(capabilities.GetHandleTableSize());
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}
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}
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void Process::Run(s32 main_thread_priority, u64 stack_size) {
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void Process::Run(s32 main_thread_priority, u64 stack_size) {
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AllocateMainThreadStack(stack_size);
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AllocateMainThreadStack(stack_size);
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tls_region_address = CreateTLSRegion();
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vm_manager.LogLayout();
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const std::size_t heap_capacity{memory_usage_capacity - main_thread_stack_size - image_size};
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ASSERT(!page_table->SetHeapCapacity(heap_capacity).IsError());
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ChangeStatus(ProcessStatus::Running);
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ChangeStatus(ProcessStatus::Running);
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SetupMainThread(*this, kernel, main_thread_priority);
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SetupMainThread(*this, kernel, main_thread_priority, main_thread_stack_top);
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resource_limit->Reserve(ResourceType::Threads, 1);
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resource_limit->Reserve(ResourceType::PhysicalMemory, main_thread_stack_size);
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}
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}
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void Process::PrepareForTermination() {
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void Process::PrepareForTermination() {
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@ -282,30 +338,35 @@ static auto FindTLSPageWithAvailableSlots(std::vector<TLSPage>& tls_pages) {
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}
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}
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VAddr Process::CreateTLSRegion() {
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VAddr Process::CreateTLSRegion() {
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auto tls_page_iter = FindTLSPageWithAvailableSlots(tls_pages);
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if (auto tls_page_iter{FindTLSPageWithAvailableSlots(tls_pages)};
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tls_page_iter != tls_pages.cend()) {
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return *tls_page_iter->ReserveSlot();
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}
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if (tls_page_iter == tls_pages.cend()) {
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Memory::Page* const tls_page_ptr{kernel.GetUserSlabHeapPages().Allocate()};
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const auto region_address =
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ASSERT(tls_page_ptr);
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vm_manager.FindFreeRegion(vm_manager.GetTLSIORegionBaseAddress(),
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vm_manager.GetTLSIORegionEndAddress(), Memory::PAGE_SIZE);
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ASSERT(region_address.Succeeded());
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const auto map_result = vm_manager.MapMemoryBlock(
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const VAddr start{page_table->GetKernelMapRegionStart()};
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*region_address, std::make_shared<PhysicalMemory>(Memory::PAGE_SIZE), 0,
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const VAddr size{page_table->GetKernelMapRegionEnd() - start};
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Memory::PAGE_SIZE, MemoryState::ThreadLocal);
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const PAddr tls_map_addr{system.DeviceMemory().GetPhysicalAddr(tls_page_ptr)};
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ASSERT(map_result.Succeeded());
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const VAddr tls_page_addr{
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page_table
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->AllocateAndMapMemory(1, Memory::PageSize, true, start, size / Memory::PageSize,
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Memory::MemoryState::ThreadLocal,
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Memory::MemoryPermission::ReadAndWrite, tls_map_addr)
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.ValueOr(0)};
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tls_pages.emplace_back(*region_address);
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ASSERT(tls_page_addr);
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const auto reserve_result = tls_pages.back().ReserveSlot();
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std::memset(tls_page_ptr, 0, Memory::PageSize);
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tls_pages.emplace_back(tls_page_addr);
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const auto reserve_result{tls_pages.back().ReserveSlot()};
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ASSERT(reserve_result.has_value());
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ASSERT(reserve_result.has_value());
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return *reserve_result;
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return *reserve_result;
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}
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}
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return *tls_page_iter->ReserveSlot();
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}
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void Process::FreeTLSRegion(VAddr tls_address) {
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void Process::FreeTLSRegion(VAddr tls_address) {
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const VAddr aligned_address = Common::AlignDown(tls_address, Core::Memory::PAGE_SIZE);
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const VAddr aligned_address = Common::AlignDown(tls_address, Core::Memory::PAGE_SIZE);
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auto iter =
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auto iter =
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@ -320,28 +381,22 @@ void Process::FreeTLSRegion(VAddr tls_address) {
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iter->ReleaseSlot(tls_address);
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iter->ReleaseSlot(tls_address);
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}
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}
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void Process::LoadModule(CodeSet module_, VAddr base_addr) {
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void Process::LoadModule(CodeSet code_set, VAddr base_addr) {
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code_memory_size += module_.memory.size();
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const auto ReprotectSegment = [&](const CodeSet::Segment& segment,
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Memory::MemoryPermission permission) {
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const auto memory = std::make_shared<PhysicalMemory>(std::move(module_.memory));
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page_table->SetCodeMemoryPermission(segment.addr + base_addr, segment.size, permission);
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const auto MapSegment = [&](const CodeSet::Segment& segment, VMAPermission permissions,
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MemoryState memory_state) {
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const auto vma = vm_manager
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.MapMemoryBlock(segment.addr + base_addr, memory, segment.offset,
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segment.size, memory_state)
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.Unwrap();
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vm_manager.Reprotect(vma, permissions);
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};
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};
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// Map CodeSet segments
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system.Memory().WriteBlock(*this, base_addr, code_set.memory.data(), code_set.memory.size());
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MapSegment(module_.CodeSegment(), VMAPermission::ReadExecute, MemoryState::Code);
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MapSegment(module_.RODataSegment(), VMAPermission::Read, MemoryState::CodeData);
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ReprotectSegment(code_set.CodeSegment(), Memory::MemoryPermission::ReadAndExecute);
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MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeData);
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ReprotectSegment(code_set.RODataSegment(), Memory::MemoryPermission::Read);
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ReprotectSegment(code_set.DataSegment(), Memory::MemoryPermission::ReadAndWrite);
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}
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}
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Process::Process(Core::System& system)
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Process::Process(Core::System& system)
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: SynchronizationObject{system.Kernel()}, vm_manager{system},
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: SynchronizationObject{system.Kernel()}, page_table{std::make_unique<Memory::PageTable>(
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system)},
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address_arbiter{system}, mutex{system}, system{system} {}
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address_arbiter{system}, mutex{system}, system{system} {}
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Process::~Process() = default;
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Process::~Process() = default;
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@ -364,16 +419,24 @@ void Process::ChangeStatus(ProcessStatus new_status) {
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Signal();
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Signal();
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}
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}
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void Process::AllocateMainThreadStack(u64 stack_size) {
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ResultCode Process::AllocateMainThreadStack(std::size_t stack_size) {
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// The kernel always ensures that the given stack size is page aligned.
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ASSERT(stack_size);
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main_thread_stack_size = Common::AlignUp(stack_size, Memory::PAGE_SIZE);
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// Allocate and map the main thread stack
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// The kernel always ensures that the given stack size is page aligned.
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const VAddr mapping_address = vm_manager.GetTLSIORegionEndAddress() - main_thread_stack_size;
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main_thread_stack_size = Common::AlignUp(stack_size, Memory::PageSize);
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vm_manager
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.MapMemoryBlock(mapping_address, std::make_shared<PhysicalMemory>(main_thread_stack_size),
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const VAddr start{page_table->GetStackRegionStart()};
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0, main_thread_stack_size, MemoryState::Stack)
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const std::size_t size{page_table->GetStackRegionEnd() - start};
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.Unwrap();
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CASCADE_RESULT(main_thread_stack_top,
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page_table->AllocateAndMapMemory(
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main_thread_stack_size / Memory::PageSize, Memory::PageSize, false, start,
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size / Memory::PageSize, Memory::MemoryState::Stack,
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Memory::MemoryPermission::ReadAndWrite));
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main_thread_stack_top += main_thread_stack_size;
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return RESULT_SUCCESS;
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}
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}
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} // namespace Kernel
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} // namespace Kernel
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@ -16,7 +16,6 @@
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/process_capability.h"
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#include "core/hle/kernel/process_capability.h"
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#include "core/hle/kernel/synchronization_object.h"
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#include "core/hle/kernel/synchronization_object.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/hle/result.h"
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#include "core/hle/result.h"
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namespace Core {
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namespace Core {
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@ -36,6 +35,10 @@ class TLSPage;
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struct CodeSet;
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struct CodeSet;
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namespace Memory {
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class PageTable;
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}
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enum class MemoryRegion : u16 {
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enum class MemoryRegion : u16 {
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APPLICATION = 1,
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APPLICATION = 1,
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SYSTEM = 2,
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SYSTEM = 2,
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@ -100,14 +103,14 @@ public:
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return HANDLE_TYPE;
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return HANDLE_TYPE;
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}
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}
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/// Gets a reference to the process' memory manager.
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/// Gets a reference to the process' page table.
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Kernel::VMManager& VMManager() {
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Memory::PageTable& PageTable() {
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return vm_manager;
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return *page_table;
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}
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}
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/// Gets a const reference to the process' memory manager.
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/// Gets const a reference to the process' page table.
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const Kernel::VMManager& VMManager() const {
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const Memory::PageTable& PageTable() const {
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return vm_manager;
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return *page_table;
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}
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}
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/// Gets a reference to the process' handle table.
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/// Gets a reference to the process' handle table.
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@ -273,7 +276,7 @@ public:
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* @returns RESULT_SUCCESS if all relevant metadata was able to be
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* @returns RESULT_SUCCESS if all relevant metadata was able to be
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* loaded and parsed. Otherwise, an error code is returned.
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* loaded and parsed. Otherwise, an error code is returned.
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*/
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*/
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ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata);
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ResultCode LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size);
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/**
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/**
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* Starts the main application thread for this process.
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* Starts the main application thread for this process.
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@ -289,7 +292,7 @@ public:
|
|||||||
*/
|
*/
|
||||||
void PrepareForTermination();
|
void PrepareForTermination();
|
||||||
|
|
||||||
void LoadModule(CodeSet module_, VAddr base_addr);
|
void LoadModule(CodeSet code_set, VAddr base_addr);
|
||||||
|
|
||||||
///////////////////////////////////////////////////////////////////////////////////////////////
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
||||||
// Thread-local storage management
|
// Thread-local storage management
|
||||||
@ -313,16 +316,10 @@ private:
|
|||||||
void ChangeStatus(ProcessStatus new_status);
|
void ChangeStatus(ProcessStatus new_status);
|
||||||
|
|
||||||
/// Allocates the main thread stack for the process, given the stack size in bytes.
|
/// Allocates the main thread stack for the process, given the stack size in bytes.
|
||||||
void AllocateMainThreadStack(u64 stack_size);
|
ResultCode AllocateMainThreadStack(std::size_t stack_size);
|
||||||
|
|
||||||
/// Memory manager for this process.
|
/// Memory manager for this process
|
||||||
Kernel::VMManager vm_manager;
|
std::unique_ptr<Memory::PageTable> page_table;
|
||||||
|
|
||||||
/// Size of the main thread's stack in bytes.
|
|
||||||
u64 main_thread_stack_size = 0;
|
|
||||||
|
|
||||||
/// Size of the loaded code memory in bytes.
|
|
||||||
u64 code_memory_size = 0;
|
|
||||||
|
|
||||||
/// Current status of the process
|
/// Current status of the process
|
||||||
ProcessStatus status{};
|
ProcessStatus status{};
|
||||||
@ -390,6 +387,18 @@ private:
|
|||||||
|
|
||||||
/// Name of this process
|
/// Name of this process
|
||||||
std::string name;
|
std::string name;
|
||||||
|
|
||||||
|
/// Address of the top of the main thread's stack
|
||||||
|
VAddr main_thread_stack_top{};
|
||||||
|
|
||||||
|
/// Size of the main thread's stack
|
||||||
|
std::size_t main_thread_stack_size{};
|
||||||
|
|
||||||
|
/// Memory usage capacity for the process
|
||||||
|
std::size_t memory_usage_capacity{};
|
||||||
|
|
||||||
|
/// Process total image size
|
||||||
|
std::size_t image_size{};
|
||||||
};
|
};
|
||||||
|
|
||||||
} // namespace Kernel
|
} // namespace Kernel
|
||||||
|
Loading…
Reference in New Issue
Block a user