svc: Implement svcExitProcess.
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9b8afed5f7
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aa7c824ea4
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@ -2,6 +2,7 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <memory>
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#include "common/assert.h"
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#include "common/common_funcs.h"
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@ -16,6 +17,9 @@
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namespace Kernel {
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// Lists all processes that exist in the current session.
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static std::vector<SharedPtr<Process>> process_list;
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SharedPtr<CodeSet> CodeSet::Create(std::string name, u64 program_id) {
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SharedPtr<CodeSet> codeset(new CodeSet);
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@ -36,7 +40,9 @@ SharedPtr<Process> Process::Create(std::string&& name) {
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process->name = std::move(name);
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process->flags.raw = 0;
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process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
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process->status = ProcessStatus::Created;
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process_list.push_back(process);
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return process;
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}
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@ -129,6 +135,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
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}
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vm_manager.LogLayout(Log::Level::Debug);
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status = ProcessStatus::Running;
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Kernel::SetupMainThread(entry_point, main_thread_priority, this);
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}
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@ -137,11 +144,11 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
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memory_region = GetMemoryRegion(flags.memory_region);
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auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions,
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MemoryState memory_state) {
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MemoryState memory_state) {
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auto vma = vm_manager
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.MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset, segment.size,
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memory_state)
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.Unwrap();
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.MapMemoryBlock(segment.addr + base_addr, module_->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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misc_memory_used += segment.size;
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memory_region->used += segment.size;
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@ -299,5 +306,20 @@ ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
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Kernel::Process::Process() {}
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Kernel::Process::~Process() {}
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SharedPtr<Process> g_current_process;
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void ClearProcessList() {
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process_list.clear();
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}
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SharedPtr<Process> GetProcessById(u32 process_id) {
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auto itr = std::find_if(
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process_list.begin(), process_list.end(),
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[&](const SharedPtr<Process>& process) { return process->process_id == process_id; });
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if (itr == process_list.end())
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return nullptr;
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return *itr;
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}
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SharedPtr<Process> g_current_process;
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} // namespace Kernel
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@ -8,6 +8,7 @@
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#include <cstddef>
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#include <memory>
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#include <string>
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#include <vector>
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#include <boost/container/static_vector.hpp>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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@ -48,6 +49,8 @@ union ProcessFlags {
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BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
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};
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enum class ProcessStatus { Created, Running, Exited };
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class ResourceLimit;
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struct MemoryRegionInfo;
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@ -124,6 +127,8 @@ public:
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u16 kernel_version = 0;
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/// The default CPU for this process, threads are scheduled on this cpu by default.
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u8 ideal_processor = 0;
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/// Current status of the process
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ProcessStatus status;
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/// The id of this process
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u32 process_id = next_process_id++;
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@ -181,11 +186,15 @@ public:
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ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size);
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private:
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Process();
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~Process() override;
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};
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void ClearProcessList();
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/// Retrieves a process from the current list of processes.
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SharedPtr<Process> GetProcessById(u32 process_id);
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extern SharedPtr<Process> g_current_process;
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}
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} // namespace Kernel
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@ -9,6 +9,8 @@
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/client_session.h"
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#include "core/hle/kernel/handle_table.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/object_address_table.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/sync_object.h"
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@ -45,7 +47,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
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/// Unmaps a region that was previously mapped with svcMapMemory
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static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
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LOG_TRACE(Kernel_SVC, "called, dst_addr=0x%llx, src_addr=0x%llx, size=0x%llx", dst_addr,
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src_addr, size);
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src_addr, size);
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return Kernel::g_current_process->UnmapMemory(dst_addr, src_addr, size);
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}
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@ -99,7 +101,8 @@ static ResultCode SendSyncRequest(Kernel::Handle handle) {
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static ResultCode GetThreadId(u32* thread_id, Kernel::Handle thread_handle) {
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LOG_TRACE(Kernel_SVC, "called thread=0x%08X", thread_handle);
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const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(thread_handle);
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const SharedPtr<Kernel::Thread> thread =
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Kernel::g_handle_table.Get<Kernel::Thread>(thread_handle);
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if (!thread) {
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return ERR_INVALID_HANDLE;
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}
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@ -177,7 +180,7 @@ static void Break(u64 unk_0, u64 unk_1, u64 unk_2) {
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}
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/// Used to output a message on a debug hardware unit - does nothing on a retail unit
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static void OutputDebugString(VAddr address, int len) {
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static void OutputDebugString(VAddr address, s32 len) {
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std::vector<char> string(len);
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Memory::ReadBlock(address, string.data(), len);
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LOG_DEBUG(Debug_Emulated, "%.*s", len, string.data());
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@ -272,6 +275,38 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd
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return QueryProcessMemory(memory_info, page_info, Kernel::CurrentProcess, addr);
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}
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/// Exits the current process
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static void ExitProcess() {
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LOG_INFO(Kernel_SVC, "Process %u exiting", Kernel::g_current_process->process_id);
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ASSERT_MSG(Kernel::g_current_process->status == Kernel::ProcessStatus::Running,
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"Process has already exited");
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Kernel::g_current_process->status = Kernel::ProcessStatus::Exited;
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// Stop all the process threads that are currently waiting for objects.
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auto& thread_list = Kernel::GetThreadList();
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for (auto& thread : thread_list) {
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if (thread->owner_process != Kernel::g_current_process)
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continue;
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if (thread == Kernel::GetCurrentThread())
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continue;
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// TODO(Subv): When are the other running/ready threads terminated?
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ASSERT_MSG(thread->status == THREADSTATUS_WAIT_SYNCH_ANY ||
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thread->status == THREADSTATUS_WAIT_SYNCH_ALL,
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"Exiting processes with non-waiting threads is currently unimplemented");
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thread->Stop();
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}
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// Kill the current thread
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Kernel::GetCurrentThread()->Stop();
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Core::System::GetInstance().PrepareReschedule();
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}
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/// Creates a new thread
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static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, VAddr stack_top,
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u32 priority, s32 processor_id) {
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@ -400,7 +435,7 @@ static const FunctionDef SVC_Table[] = {
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{0x04, HLE::Wrap<MapMemory>, "svcMapMemory"},
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{0x05, HLE::Wrap<UnmapMemory>, "svcUnmapMemory"},
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{0x06, HLE::Wrap<QueryMemory>, "svcQueryMemory"},
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{0x07, nullptr, "svcExitProcess"},
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{0x07, HLE::Wrap<ExitProcess>, "svcExitProcess"},
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{0x08, HLE::Wrap<CreateThread>, "svcCreateThread"},
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{0x09, HLE::Wrap<StartThread>, "svcStartThread"},
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{0x0A, HLE::Wrap<ExitThread>, "svcExitThread"},
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