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-rw-r--r--src/core/hle/kernel/process.cpp32
-rw-r--r--src/core/hle/kernel/process.h13
-rw-r--r--src/core/hle/svc.cpp43
3 files changed, 77 insertions, 11 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 35cf6dc95..8e74059ea 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <memory>
#include "common/assert.h"
#include "common/common_funcs.h"
@@ -16,6 +17,9 @@
namespace Kernel {
+// Lists all processes that exist in the current session.
+static std::vector<SharedPtr<Process>> process_list;
+
SharedPtr<CodeSet> CodeSet::Create(std::string name, u64 program_id) {
SharedPtr<CodeSet> codeset(new CodeSet);
@@ -36,7 +40,9 @@ SharedPtr<Process> Process::Create(std::string&& name) {
process->name = std::move(name);
process->flags.raw = 0;
process->flags.memory_region.Assign(MemoryRegion::APPLICATION);
+ process->status = ProcessStatus::Created;
+ process_list.push_back(process);
return process;
}
@@ -129,6 +135,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
}
vm_manager.LogLayout(Log::Level::Debug);
+ status = ProcessStatus::Running;
Kernel::SetupMainThread(entry_point, main_thread_priority, this);
}
@@ -137,11 +144,11 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
memory_region = GetMemoryRegion(flags.memory_region);
auto MapSegment = [&](CodeSet::Segment& segment, VMAPermission permissions,
- MemoryState memory_state) {
+ MemoryState memory_state) {
auto vma = vm_manager
- .MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset, segment.size,
- memory_state)
- .Unwrap();
+ .MapMemoryBlock(segment.addr + base_addr, module_->memory, segment.offset,
+ segment.size, memory_state)
+ .Unwrap();
vm_manager.Reprotect(vma, permissions);
misc_memory_used += segment.size;
memory_region->used += segment.size;
@@ -299,5 +306,20 @@ ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) {
Kernel::Process::Process() {}
Kernel::Process::~Process() {}
-SharedPtr<Process> g_current_process;
+void ClearProcessList() {
+ process_list.clear();
+}
+
+SharedPtr<Process> GetProcessById(u32 process_id) {
+ auto itr = std::find_if(
+ process_list.begin(), process_list.end(),
+ [&](const SharedPtr<Process>& process) { return process->process_id == process_id; });
+
+ if (itr == process_list.end())
+ return nullptr;
+
+ return *itr;
}
+
+SharedPtr<Process> g_current_process;
+} // namespace Kernel
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index 3ea8c298f..305275387 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -8,6 +8,7 @@
#include <cstddef>
#include <memory>
#include <string>
+#include <vector>
#include <boost/container/static_vector.hpp>
#include "common/bit_field.h"
#include "common/common_types.h"
@@ -48,6 +49,8 @@ union ProcessFlags {
BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
};
+enum class ProcessStatus { Created, Running, Exited };
+
class ResourceLimit;
struct MemoryRegionInfo;
@@ -124,6 +127,8 @@ public:
u16 kernel_version = 0;
/// The default CPU for this process, threads are scheduled on this cpu by default.
u8 ideal_processor = 0;
+ /// Current status of the process
+ ProcessStatus status;
/// The id of this process
u32 process_id = next_process_id++;
@@ -181,11 +186,15 @@ public:
ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size);
-
private:
Process();
~Process() override;
};
+void ClearProcessList();
+
+/// Retrieves a process from the current list of processes.
+SharedPtr<Process> GetProcessById(u32 process_id);
+
extern SharedPtr<Process> g_current_process;
-}
+} // namespace Kernel
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index cba94eac3..1ba61d807 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -9,6 +9,8 @@
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/handle_table.h"
+#include "core/hle/kernel/mutex.h"
+#include "core/hle/kernel/object_address_table.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/sync_object.h"
@@ -45,7 +47,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
/// Unmaps a region that was previously mapped with svcMapMemory
static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
LOG_TRACE(Kernel_SVC, "called, dst_addr=0x%llx, src_addr=0x%llx, size=0x%llx", dst_addr,
- src_addr, size);
+ src_addr, size);
return Kernel::g_current_process->UnmapMemory(dst_addr, src_addr, size);
}
@@ -99,7 +101,8 @@ static ResultCode SendSyncRequest(Kernel::Handle handle) {
static ResultCode GetThreadId(u32* thread_id, Kernel::Handle thread_handle) {
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", thread_handle);
- const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(thread_handle);
+ const SharedPtr<Kernel::Thread> thread =
+ Kernel::g_handle_table.Get<Kernel::Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -177,7 +180,7 @@ static void Break(u64 unk_0, u64 unk_1, u64 unk_2) {
}
/// Used to output a message on a debug hardware unit - does nothing on a retail unit
-static void OutputDebugString(VAddr address, int len) {
+static void OutputDebugString(VAddr address, s32 len) {
std::vector<char> string(len);
Memory::ReadBlock(address, string.data(), len);
LOG_DEBUG(Debug_Emulated, "%.*s", len, string.data());
@@ -272,6 +275,38 @@ static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAdd
return QueryProcessMemory(memory_info, page_info, Kernel::CurrentProcess, addr);
}
+/// Exits the current process
+static void ExitProcess() {
+ LOG_INFO(Kernel_SVC, "Process %u exiting", Kernel::g_current_process->process_id);
+
+ ASSERT_MSG(Kernel::g_current_process->status == Kernel::ProcessStatus::Running,
+ "Process has already exited");
+
+ Kernel::g_current_process->status = Kernel::ProcessStatus::Exited;
+
+ // Stop all the process threads that are currently waiting for objects.
+ auto& thread_list = Kernel::GetThreadList();
+ for (auto& thread : thread_list) {
+ if (thread->owner_process != Kernel::g_current_process)
+ continue;
+
+ if (thread == Kernel::GetCurrentThread())
+ continue;
+
+ // TODO(Subv): When are the other running/ready threads terminated?
+ ASSERT_MSG(thread->status == THREADSTATUS_WAIT_SYNCH_ANY ||
+ thread->status == THREADSTATUS_WAIT_SYNCH_ALL,
+ "Exiting processes with non-waiting threads is currently unimplemented");
+
+ thread->Stop();
+ }
+
+ // Kill the current thread
+ Kernel::GetCurrentThread()->Stop();
+
+ Core::System::GetInstance().PrepareReschedule();
+}
+
/// Creates a new thread
static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, VAddr stack_top,
u32 priority, s32 processor_id) {
@@ -400,7 +435,7 @@ static const FunctionDef SVC_Table[] = {
{0x04, HLE::Wrap<MapMemory>, "svcMapMemory"},
{0x05, HLE::Wrap<UnmapMemory>, "svcUnmapMemory"},
{0x06, HLE::Wrap<QueryMemory>, "svcQueryMemory"},
- {0x07, nullptr, "svcExitProcess"},
+ {0x07, HLE::Wrap<ExitProcess>, "svcExitProcess"},
{0x08, HLE::Wrap<CreateThread>, "svcCreateThread"},
{0x09, HLE::Wrap<StartThread>, "svcStartThread"},
{0x0A, HLE::Wrap<ExitThread>, "svcExitThread"},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 00:49:18 +0100