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citra/src/core/hle/svc.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <map>
#include <string>
#include "common/symbols.h"
#include "core/mem_map.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/function_wrappers.h"
#include "core/hle/svc.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace SVC
namespace SVC {
enum ControlMemoryOperation {
MEMORY_OPERATION_HEAP = 0x00000003,
MEMORY_OPERATION_GSP_HEAP = 0x00010003,
};
enum MapMemoryPermission {
MEMORY_PERMISSION_UNMAP = 0x00000000,
MEMORY_PERMISSION_NORMAL = 0x00000001,
};
/// Map application or GSP heap memory
Result ControlMemory(void* _out_addr, u32 operation, u32 addr0, u32 addr1, u32 size, u32 permissions) {
u32* out_addr = (u32*)_out_addr;
DEBUG_LOG(SVC,"called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=%08X, permissions=0x%08X",
operation, addr0, addr1, size, permissions);
switch (operation) {
// Map normal heap memory
case MEMORY_OPERATION_HEAP:
*out_addr = Memory::MapBlock_Heap(size, operation, permissions);
break;
// Map GSP heap memory
case MEMORY_OPERATION_GSP_HEAP:
*out_addr = Memory::MapBlock_HeapGSP(size, operation, permissions);
break;
// Unknown ControlMemory operation
default:
ERROR_LOG(SVC, "unknown operation=0x%08X", operation);
}
return 0;
}
/// Maps a memory block to specified address
Result MapMemoryBlock(Handle memblock, u32 addr, u32 mypermissions, u32 otherpermission) {
DEBUG_LOG(SVC, "called memblock=0x08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
memblock, addr, mypermissions, otherpermission);
switch (mypermissions) {
case MEMORY_PERMISSION_NORMAL:
case MEMORY_PERMISSION_NORMAL + 1:
case MEMORY_PERMISSION_NORMAL + 2:
Memory::MapBlock_Shared(memblock, addr, mypermissions);
break;
default:
ERROR_LOG(OSHLE, "unknown permissions=0x%08X", mypermissions);
}
return 0;
}
/// Connect to an OS service given the port name, returns the handle to the port to out
Result ConnectToPort(void* _out, const char* port_name) {
Handle* out = (Handle*)_out;
Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);
DEBUG_LOG(SVC, "called port_name=%s", port_name);
_assert_msg_(KERNEL, service, "called, but service is not implemented!");
*out = service->GetHandle();
return 0;
}
/// Synchronize to an OS service
Result SendSyncRequest(Handle handle) {
bool wait = false;
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
DEBUG_LOG(SVC, "called handle=0x%08X", handle);
_assert_msg_(KERNEL, object, "called, but kernel object is NULL!");
Result res = object->SyncRequest(&wait);
if (wait) {
Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
}
return res;
}
/// Close a handle
Result CloseHandle(Handle handle) {
// ImplementMe
ERROR_LOG(SVC, "(UNIMPLEMENTED) called handle=0x%08X", handle);
return 0;
}
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
bool wait = false;
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
DEBUG_LOG(SVC, "called handle=0x%08X, nanoseconds=%d", handle,
nano_seconds);
_assert_msg_(KERNEL, object, "called, but kernel object is NULL!");
Result res = object->WaitSynchronization(&wait);
if (wait) {
// Set current thread to wait state if handle was not unlocked
Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
// Check for next thread to schedule
HLE::Reschedule(__func__);
// Context switch - Function blocked, is not actually returning (will be "called" again)
// TODO(bunnei): This saves handle to R0 so that it's correctly reloaded on context switch
// (otherwise R0 will be set to whatever is returned, and handle will be invalid when this
// thread is resumed). There is probably a better way of keeping track of state so that we
// don't necessarily have to do this.
return (Result)PARAM(0);
}
return res;
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
Result WaitSynchronizationN(void* _out, void* _handles, u32 handle_count, u32 wait_all,
s64 nano_seconds) {
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
s32* out = (s32*)_out;
Handle* handles = (Handle*)_handles;
bool unlock_all = true;
DEBUG_LOG(SVC, "called handle_count=%d, wait_all=%s, nanoseconds=%d",
handle_count, (wait_all ? "true" : "false"), nano_seconds);
// Iterate through each handle, synchronize kernel object
for (u32 i = 0; i < handle_count; i++) {
bool wait = false;
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handles[i]); // 0 handle
_assert_msg_(KERNEL, object, "called handle=0x%08X, but kernel object "
"is NULL!", handles[i]);
DEBUG_LOG(SVC, "\thandle[%d] = 0x%08X", i, handles[i]);
Result res = object->WaitSynchronization(&wait);
if (!wait && !wait_all) {
*out = i;
return 0;
} else {
unlock_all = false;
}
}
if (wait_all && unlock_all) {
*out = handle_count;
return 0;
}
// Set current thread to wait state if not all handles were unlocked
Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
// Check for next thread to schedule
HLE::Reschedule(__func__);
// Context switch - Function blocked, is not actually returning (will be "called" again)
// TODO(bunnei): This saves handle to R0 so that it's correctly reloaded on context switch
// (otherwise R0 will be set to whatever is returned, and handle will be invalid when this
// thread is resumed). There is probably a better way of keeping track of state so that we
// don't necessarily have to do this.
return (Result)PARAM(0);
}
/// Create an address arbiter (to allocate access to shared resources)
Result CreateAddressArbiter(void* arbiter) {
ERROR_LOG(SVC, "(UNIMPLEMENTED) called");
Core::g_app_core->SetReg(1, 0xFABBDADD);
return 0;
}
/// Arbitrate address
Result ArbitrateAddress(Handle arbiter, u32 addr, u32 _type, u32 value, s64 nanoseconds) {
ERROR_LOG(SVC, "(UNIMPLEMENTED) called");
ArbitrationType type = (ArbitrationType)_type;
Memory::Write32(addr, type);
return 0;
}
/// Used to output a message on a debug hardware unit - does nothing on a retail unit
void OutputDebugString(const char* string) {
OS_LOG(SVC, "%s", string);
}
/// Get resource limit
Result GetResourceLimit(void* _resource_limit, Handle process) {
// With regards to proceess values:
// 0xFFFF8001 is a handle alias for the current KProcess, and 0xFFFF8000 is a handle alias for
// the current KThread.
Handle* resource_limit = (Handle*)_resource_limit;
*resource_limit = 0xDEADBEEF;
ERROR_LOG(SVC, "(UNIMPLEMENTED) called process=0x%08X", process);
return 0;
}
/// Get resource limit current values
Result GetResourceLimitCurrentValues(void* _values, Handle resource_limit, void* names,
s32 name_count) {
ERROR_LOG(SVC, "(UNIMPLEMENTED) called resource_limit=%08X, names=%s, name_count=%d",
resource_limit, names, name_count);
Memory::Write32(Core::g_app_core->GetReg(0), 0); // Normmatt: Set used memory to 0 for now
return 0;
}
/// Creates a new thread
Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top, u32 processor_id) {
std::string name;
if (Symbols::HasSymbol(entry_point)) {
TSymbol symbol = Symbols::GetSymbol(entry_point);
name = symbol.name;
} else {
char buff[100];
sprintf(buff, "%s", "unknown-%08X", entry_point);
name = buff;
}
Handle thread = Kernel::CreateThread(name.c_str(), entry_point, priority, arg, processor_id,
stack_top);
Core::g_app_core->SetReg(1, thread);
DEBUG_LOG(SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
"threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
name.c_str(), arg, stack_top, priority, processor_id, thread);
return 0;
}
/// Gets the priority for the specified thread
Result GetThreadPriority(void* _priority, Handle handle) {
s32* priority = (s32*)_priority;
*priority = Kernel::GetThreadPriority(handle);
return 0;
}
/// Sets the priority for the specified thread
Result SetThreadPriority(Handle handle, s32 priority) {
return Kernel::SetThreadPriority(handle, priority);
}
/// Create a mutex
Result CreateMutex(void* _mutex, u32 initial_locked) {
Handle* mutex = (Handle*)_mutex;
*mutex = Kernel::CreateMutex((initial_locked != 0));
DEBUG_LOG(SVC, "called initial_locked=%s : created handle=0x%08X",
initial_locked ? "true" : "false", *mutex);
return 0;
}
/// Release a mutex
Result ReleaseMutex(Handle handle) {
DEBUG_LOG(SVC, "called handle=0x%08X", handle);
_assert_msg_(KERNEL, handle, "called, but handle is NULL!");
Kernel::ReleaseMutex(handle);
return 0;
}
/// Get current thread ID
Result GetThreadId(void* thread_id, u32 thread) {
ERROR_LOG(SVC, "(UNIMPLEMENTED) called thread=0x%08X", thread);
return 0;
}
/// Query memory
Result QueryMemory(void *_info, void *_out, u32 addr) {
ERROR_LOG(SVC, "(UNIMPLEMENTED) called addr=0x%08X", addr);
return 0;
}
/// Create an event
Result CreateEvent(void* _event, u32 reset_type) {
Handle* evt = (Handle*)_event;
*evt = Kernel::CreateEvent((ResetType)reset_type);
DEBUG_LOG(SVC, "called reset_type=0x%08X : created handle=0x%08X",
reset_type, *evt);
return 0;
}
/// Duplicates a kernel handle
Result DuplicateHandle(void* _out, Handle handle) {
Handle* out = (Handle*)_out;
DEBUG_LOG(SVC, "called handle=0x%08X", handle);
// Translate kernel handles -> real handles
if (handle == Kernel::CurrentThread) {
handle = Kernel::GetCurrentThreadHandle();
}
_assert_msg_(KERNEL, (handle != Kernel::CurrentProcess),
"(UNIMPLEMENTED) process handle duplication!");
// TODO(bunnei): FixMe - This is a hack to return the handle that we were asked to duplicate.
*out = handle;
return 0;
}
/// Clears an event
Result ClearEvent(Handle evt) {
Result res = Kernel::ClearEvent(evt);
DEBUG_LOG(SVC, "called event=0x%08X", evt);
return res;
}
/// Sleep the current thread
void SleepThread(s64 nanoseconds) {
DEBUG_LOG(SVC, "called nanoseconds=%d", nanoseconds);
}
const HLE::FunctionDef SVC_Table[] = {
{0x00, NULL, "Unknown"},
{0x01, WrapI_VUUUUU<ControlMemory>, "ControlMemory"},
{0x02, WrapI_VVU<QueryMemory>, "QueryMemory"},
{0x03, NULL, "ExitProcess"},
{0x04, NULL, "GetProcessAffinityMask"},
{0x05, NULL, "SetProcessAffinityMask"},
{0x06, NULL, "GetProcessIdealProcessor"},
{0x07, NULL, "SetProcessIdealProcessor"},
{0x08, WrapI_UUUUU<CreateThread>, "CreateThread"},
{0x09, NULL, "ExitThread"},
{0x0A, WrapV_S64<SleepThread>, "SleepThread"},
{0x0B, WrapI_VU<GetThreadPriority>, "GetThreadPriority"},
{0x0C, WrapI_UI<SetThreadPriority>, "SetThreadPriority"},
{0x0D, NULL, "GetThreadAffinityMask"},
{0x0E, NULL, "SetThreadAffinityMask"},
{0x0F, NULL, "GetThreadIdealProcessor"},
{0x10, NULL, "SetThreadIdealProcessor"},
{0x11, NULL, "GetCurrentProcessorNumber"},
{0x12, NULL, "Run"},
{0x13, WrapI_VU<CreateMutex>, "CreateMutex"},
{0x14, WrapI_U<ReleaseMutex>, "ReleaseMutex"},
{0x15, NULL, "CreateSemaphore"},
{0x16, NULL, "ReleaseSemaphore"},
{0x17, WrapI_VU<CreateEvent>, "CreateEvent"},
{0x18, NULL, "SignalEvent"},
{0x19, WrapI_U<ClearEvent>, "ClearEvent"},
{0x1A, NULL, "CreateTimer"},
{0x1B, NULL, "SetTimer"},
{0x1C, NULL, "CancelTimer"},
{0x1D, NULL, "ClearTimer"},
{0x1E, NULL, "CreateMemoryBlock"},
{0x1F, WrapI_UUUU<MapMemoryBlock>, "MapMemoryBlock"},
{0x20, NULL, "UnmapMemoryBlock"},
{0x21, WrapI_V<CreateAddressArbiter>, "CreateAddressArbiter"},
{0x22, WrapI_UUUUS64<ArbitrateAddress>, "ArbitrateAddress"},
{0x23, WrapI_U<CloseHandle>, "CloseHandle"},
{0x24, WrapI_US64<WaitSynchronization1>, "WaitSynchronization1"},
{0x25, WrapI_VVUUS64<WaitSynchronizationN>, "WaitSynchronizationN"},
{0x26, NULL, "SignalAndWait"},
{0x27, WrapI_VU<DuplicateHandle>, "DuplicateHandle"},
{0x28, NULL, "GetSystemTick"},
{0x29, NULL, "GetHandleInfo"},
{0x2A, NULL, "GetSystemInfo"},
{0x2B, NULL, "GetProcessInfo"},
{0x2C, NULL, "GetThreadInfo"},
{0x2D, WrapI_VC<ConnectToPort>, "ConnectToPort"},
{0x2E, NULL, "SendSyncRequest1"},
{0x2F, NULL, "SendSyncRequest2"},
{0x30, NULL, "SendSyncRequest3"},
{0x31, NULL, "SendSyncRequest4"},
{0x32, WrapI_U<SendSyncRequest>, "SendSyncRequest"},
{0x33, NULL, "OpenProcess"},
{0x34, NULL, "OpenThread"},
{0x35, NULL, "GetProcessId"},
{0x36, NULL, "GetProcessIdOfThread"},
{0x37, WrapI_VU<GetThreadId>, "GetThreadId"},
{0x38, WrapI_VU<GetResourceLimit>, "GetResourceLimit"},
{0x39, NULL, "GetResourceLimitLimitValues"},
{0x3A, WrapI_VUVI<GetResourceLimitCurrentValues>, "GetResourceLimitCurrentValues"},
{0x3B, NULL, "GetThreadContext"},
{0x3C, NULL, "Break"},
{0x3D, WrapV_C<OutputDebugString>, "OutputDebugString"},
{0x3E, NULL, "ControlPerformanceCounter"},
{0x3F, NULL, "Unknown"},
{0x40, NULL, "Unknown"},
{0x41, NULL, "Unknown"},
{0x42, NULL, "Unknown"},
{0x43, NULL, "Unknown"},
{0x44, NULL, "Unknown"},
{0x45, NULL, "Unknown"},
{0x46, NULL, "Unknown"},
{0x47, NULL, "CreatePort"},
{0x48, NULL, "CreateSessionToPort"},
{0x49, NULL, "CreateSession"},
{0x4A, NULL, "AcceptSession"},
{0x4B, NULL, "ReplyAndReceive1"},
{0x4C, NULL, "ReplyAndReceive2"},
{0x4D, NULL, "ReplyAndReceive3"},
{0x4E, NULL, "ReplyAndReceive4"},
{0x4F, NULL, "ReplyAndReceive"},
{0x50, NULL, "BindInterrupt"},
{0x51, NULL, "UnbindInterrupt"},
{0x52, NULL, "InvalidateProcessDataCache"},
{0x53, NULL, "StoreProcessDataCache"},
{0x54, NULL, "FlushProcessDataCache"},
{0x55, NULL, "StartInterProcessDma"},
{0x56, NULL, "StopDma"},
{0x57, NULL, "GetDmaState"},
{0x58, NULL, "RestartDma"},
{0x59, NULL, "Unknown"},
{0x5A, NULL, "Unknown"},
{0x5B, NULL, "Unknown"},
{0x5C, NULL, "Unknown"},
{0x5D, NULL, "Unknown"},
{0x5E, NULL, "Unknown"},
{0x5F, NULL, "Unknown"},
{0x60, NULL, "DebugActiveProcess"},
{0x61, NULL, "BreakDebugProcess"},
{0x62, NULL, "TerminateDebugProcess"},
{0x63, NULL, "GetProcessDebugEvent"},
{0x64, NULL, "ContinueDebugEvent"},
{0x65, NULL, "GetProcessList"},
{0x66, NULL, "GetThreadList"},
{0x67, NULL, "GetDebugThreadContext"},
{0x68, NULL, "SetDebugThreadContext"},
{0x69, NULL, "QueryDebugProcessMemory"},
{0x6A, NULL, "ReadProcessMemory"},
{0x6B, NULL, "WriteProcessMemory"},
{0x6C, NULL, "SetHardwareBreakPoint"},
{0x6D, NULL, "GetDebugThreadParam"},
{0x6E, NULL, "Unknown"},
{0x6F, NULL, "Unknown"},
{0x70, NULL, "ControlProcessMemory"},
{0x71, NULL, "MapProcessMemory"},
{0x72, NULL, "UnmapProcessMemory"},
{0x73, NULL, "Unknown"},
{0x74, NULL, "Unknown"},
{0x75, NULL, "Unknown"},
{0x76, NULL, "TerminateProcess"},
{0x77, NULL, "Unknown"},
{0x78, NULL, "CreateResourceLimit"},
{0x79, NULL, "Unknown"},
{0x7A, NULL, "Unknown"},
{0x7B, NULL, "Unknown"},
{0x7C, NULL, "KernelSetState"},
{0x7D, NULL, "QueryProcessMemory"},
};
void Register() {
HLE::RegisterModule("SVC_Table", ARRAY_SIZE(SVC_Table), SVC_Table);
}
} // namespace
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