diff options
Diffstat (limited to 'src/core/hle/kernel/process.cpp')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 129 |
1 files changed, 36 insertions, 93 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 5356a4a3f..c5aa19afa 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -20,6 +20,35 @@ #include "core/settings.h" namespace Kernel { +namespace { +/** + * Sets up the primary application thread + * + * @param owner_process The parent process for the main thread + * @param kernel The kernel instance to create the main thread under. + * @param entry_point The address at which the thread should start execution + * @param priority The priority to give the main thread + */ +void SetupMainThread(Process& owner_process, KernelCore& kernel, VAddr entry_point, u32 priority) { + // Setup page table so we can write to memory + SetCurrentPageTable(&owner_process.VMManager().page_table); + + // Initialize new "main" thread + const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress(); + auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, + owner_process.GetIdealCore(), stack_top, owner_process); + + SharedPtr<Thread> thread = std::move(thread_res).Unwrap(); + + // Register 1 must be a handle to the main thread + const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap(); + thread->SetGuestHandle(guest_handle); + thread->GetContext().cpu_registers[1] = guest_handle; + + // Threads by default are dormant, wake up the main thread so it runs when the scheduler fires + thread->ResumeFromWait(); +} +} // Anonymous namespace CodeSet::CodeSet() = default; CodeSet::~CodeSet() = default; @@ -28,13 +57,11 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) { SharedPtr<Process> process(new Process(kernel)); process->name = std::move(name); - process->flags.raw = 0; - process->flags.memory_region.Assign(MemoryRegion::APPLICATION); process->resource_limit = kernel.GetSystemResourceLimit(); process->status = ProcessStatus::Created; process->program_id = 0; process->process_id = kernel.CreateNewProcessID(); - process->svc_access_mask.set(); + process->capabilities.InitializeForMetadatalessProcess(); std::mt19937 rng(Settings::values.rng_seed.value_or(0)); std::uniform_int_distribution<u64> distribution; @@ -64,83 +91,15 @@ ResultCode Process::ClearSignalState() { return RESULT_SUCCESS; } -void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) { +ResultCode Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) { program_id = metadata.GetTitleID(); - ideal_processor = metadata.GetMainThreadCore(); + ideal_core = metadata.GetMainThreadCore(); is_64bit_process = metadata.Is64BitProgram(); - vm_manager.Reset(metadata.GetAddressSpaceType()); -} - -void Process::ParseKernelCaps(const u32* kernel_caps, std::size_t len) { - for (std::size_t i = 0; i < len; ++i) { - u32 descriptor = kernel_caps[i]; - u32 type = descriptor >> 20; - - if (descriptor == 0xFFFFFFFF) { - // Unused descriptor entry - continue; - } else if ((type & 0xF00) == 0xE00) { // 0x0FFF - // Allowed interrupts list - LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored"); - } else if ((type & 0xF80) == 0xF00) { // 0x07FF - // Allowed syscalls mask - unsigned int index = ((descriptor >> 24) & 7) * 24; - u32 bits = descriptor & 0xFFFFFF; - - while (bits && index < svc_access_mask.size()) { - svc_access_mask.set(index, bits & 1); - ++index; - bits >>= 1; - } - } else if ((type & 0xFF0) == 0xFE0) { // 0x00FF - // Handle table size - handle_table_size = descriptor & 0x3FF; - } else if ((type & 0xFF8) == 0xFF0) { // 0x007F - // Misc. flags - flags.raw = descriptor & 0xFFFF; - } else if ((type & 0xFFE) == 0xFF8) { // 0x001F - // Mapped memory range - if (i + 1 >= len || ((kernel_caps[i + 1] >> 20) & 0xFFE) != 0xFF8) { - LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored."); - continue; - } - u32 end_desc = kernel_caps[i + 1]; - ++i; // Skip over the second descriptor on the next iteration - AddressMapping mapping; - mapping.address = descriptor << 12; - VAddr end_address = end_desc << 12; - - if (mapping.address < end_address) { - mapping.size = end_address - mapping.address; - } else { - mapping.size = 0; - } + vm_manager.Reset(metadata.GetAddressSpaceType()); - mapping.read_only = (descriptor & (1 << 20)) != 0; - mapping.unk_flag = (end_desc & (1 << 20)) != 0; - - address_mappings.push_back(mapping); - } else if ((type & 0xFFF) == 0xFFE) { // 0x000F - // Mapped memory page - AddressMapping mapping; - mapping.address = descriptor << 12; - mapping.size = Memory::PAGE_SIZE; - mapping.read_only = false; - mapping.unk_flag = false; - - address_mappings.push_back(mapping); - } else if ((type & 0xFE0) == 0xFC0) { // 0x01FF - // Kernel version - kernel_version = descriptor & 0xFFFF; - - int minor = kernel_version & 0xFF; - int major = (kernel_version >> 8) & 0xFF; - LOG_INFO(Loader, "ExHeader kernel version: {}.{}", major, minor); - } else { - LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x{:08X}", descriptor); - } - } + const auto& caps = metadata.GetKernelCapabilities(); + return capabilities.InitializeForUserProcess(caps.data(), caps.size(), vm_manager); } void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { @@ -156,7 +115,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { vm_manager.LogLayout(); ChangeStatus(ProcessStatus::Running); - Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this); + SetupMainThread(*this, kernel, entry_point, main_thread_priority); } void Process::PrepareForTermination() { @@ -268,22 +227,6 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) { Core::System::GetInstance().ArmInterface(3).ClearInstructionCache(); } -ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) { - return vm_manager.HeapAllocate(target, size, perms); -} - -ResultCode Process::HeapFree(VAddr target, u32 size) { - return vm_manager.HeapFree(target, size); -} - -ResultCode Process::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state) { - return vm_manager.MirrorMemory(dst_addr, src_addr, size, state); -} - -ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) { - return vm_manager.UnmapRange(dst_addr, size); -} - Kernel::Process::Process(KernelCore& kernel) : WaitObject{kernel} {} Kernel::Process::~Process() {} |