343 lines
13 KiB
C++
343 lines
13 KiB
C++
// Copyright 2014 Citra Emulator Project
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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 "common/logging/log.h"
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#include "common/microprofile.h"
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#include "core/core_timing.h"
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#include "core/hle/function_wrappers.h"
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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/process.h"
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#include "core/hle/lock.h"
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#include "core/hle/result.h"
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#include "core/hle/service/service.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace SVC
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using Kernel::ERR_INVALID_HANDLE;
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using Kernel::Handle;
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using Kernel::SharedPtr;
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namespace SVC {
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/// Connect to an OS service given the port name, returns the handle to the port to out
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static ResultCode ConnectToPort(Kernel::Handle* out_handle, VAddr port_name_address) {
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if (!Memory::IsValidVirtualAddress(port_name_address))
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return Kernel::ERR_NOT_FOUND;
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static constexpr std::size_t PortNameMaxLength = 11;
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// Read 1 char beyond the max allowed port name to detect names that are too long.
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std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
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if (port_name.size() > PortNameMaxLength)
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return Kernel::ERR_PORT_NAME_TOO_LONG;
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LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name.c_str());
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auto it = Service::g_kernel_named_ports.find(port_name);
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if (it == Service::g_kernel_named_ports.end()) {
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LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name.c_str());
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return Kernel::ERR_NOT_FOUND;
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}
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auto client_port = it->second;
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SharedPtr<Kernel::ClientSession> client_session;
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CASCADE_RESULT(client_session, client_port->Connect());
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// Return the client session
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CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(client_session));
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return RESULT_SUCCESS;
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}
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/// Makes a blocking IPC call to an OS service.
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static ResultCode SendSyncRequest(Kernel::Handle handle) {
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SharedPtr<Kernel::ClientSession> session =
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Kernel::g_handle_table.Get<Kernel::ClientSession>(handle);
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if (session == nullptr) {
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LOG_ERROR(Kernel_SVC, "called with invalid handle=0x%08X", handle);
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return ERR_INVALID_HANDLE;
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}
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LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());
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Core::System::GetInstance().PrepareReschedule();
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// TODO(Subv): svcSendSyncRequest should put the caller thread to sleep while the server
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// responds and cause a reschedule.
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return session->SendSyncRequest(Kernel::GetCurrentThread());
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}
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/// Break program execution
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static void Break(u64 unk_0, u64 unk_1, u64 unk_2) {
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LOG_CRITICAL(Debug_Emulated, "Emulated program broke execution!");
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ASSERT(false);
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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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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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}
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static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) {
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LOG_TRACE(Kernel_SVC, "called, info_id=0x%X, info_sub_id=0x%X, handle=0x%08X", info_id, info_sub_id, handle);
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if (!handle) {
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switch (info_id) {
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case 0xB:
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*result = 0; // Used for PRNG seed
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return RESULT_SUCCESS;
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}
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}
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return RESULT_SUCCESS;
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}
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/// Gets the priority for the specified thread
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static ResultCode GetThreadPriority(s32* priority, Kernel::Handle handle) {
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LOG_TRACE(Kernel_SVC, "called, handle=0x%08X", handle);
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const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
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*priority = thread ? thread->GetPriority() : 0;
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return RESULT_SUCCESS;
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}
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/// Query process memory
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static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/,
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Kernel::Handle process_handle, u64 addr) {
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using Kernel::Process;
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Kernel::SharedPtr<Process> process = Kernel::g_handle_table.Get<Process>(process_handle);
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if (process == nullptr)
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return ERR_INVALID_HANDLE;
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auto vma = process->vm_manager.FindVMA(addr);
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if (vma == Kernel::g_current_process->vm_manager.vma_map.end())
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{
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//return Kernel::ERR_INVALID_ADDRESS;
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memory_info->base_address = 0;
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memory_info->permission = static_cast<u64>(Kernel::VMAPermission::None);
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memory_info->size = 0;
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memory_info->state = static_cast<u64>(Kernel::MemoryState::Free);
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return RESULT_SUCCESS;
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}
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memory_info->base_address = vma->second.base;
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memory_info->permission = static_cast<u64>(vma->second.permissions);
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memory_info->size = vma->second.size;
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memory_info->state = static_cast<u64>(vma->second.meminfo_state);
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LOG_TRACE(Kernel_SVC, "called process=0x%08X addr=%llx", process_handle, addr);
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return RESULT_SUCCESS;
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}
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/// Query memory
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static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAddr addr) {
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LOG_TRACE(Kernel_SVC, "called, addr=%llx", addr);
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return QueryProcessMemory(memory_info, page_info, Kernel::CurrentProcess, addr);
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}
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/// Sleep the current thread
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static void SleepThread(s64 nanoseconds) {
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LOG_TRACE(Kernel_SVC, "called nanoseconds=%lld", nanoseconds);
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// Don't attempt to yield execution if there are no available threads to run,
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// this way we avoid a useless reschedule to the idle thread.
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if (nanoseconds == 0 && !Kernel::HaveReadyThreads())
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return;
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// Sleep current thread and check for next thread to schedule
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Kernel::WaitCurrentThread_Sleep();
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// Create an event to wake the thread up after the specified nanosecond delay has passed
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Kernel::GetCurrentThread()->WakeAfterDelay(nanoseconds);
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Core::System::GetInstance().PrepareReschedule();
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}
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/// Signal process wide key
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static ResultCode SignalProcessWideKey(VAddr address, u32 target) {
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LOG_TRACE(Kernel_SVC, "called, address=0x%llx, target=0x%08x", address, target);
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return RESULT_SUCCESS;
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}
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/// Close a handle
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static ResultCode CloseHandle(Kernel::Handle handle) {
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LOG_TRACE(Kernel_SVC, "Closing handle 0x%08X", handle);
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return Kernel::g_handle_table.Close(handle);
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}
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namespace {
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struct FunctionDef {
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using Func = void();
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u32 id;
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Func* func;
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const char* name;
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};
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} // namespace
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static const FunctionDef SVC_Table[] = {
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{0x00, nullptr, "Unknown"},
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{0x01, nullptr, "svcSetHeapSize"},
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{0x02, nullptr, "svcSetMemoryPermission"},
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{0x03, nullptr, "svcSetMemoryAttribute"},
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{0x04, nullptr, "svcMapMemory"},
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{0x05, nullptr, "svcUnmapMemory"},
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{0x06, HLE::Wrap<QueryMemory>, "svcQueryMemory"},
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{0x07, nullptr, "svcExitProcess"},
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{0x08, nullptr, "svcCreateThread"},
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{0x09, nullptr, "svcStartThread"},
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{0x0A, nullptr, "svcExitThread"},
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{0x0B, HLE::Wrap<SleepThread>, "svcSleepThread"},
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{0x0C, HLE::Wrap<GetThreadPriority>, "svcGetThreadPriority"},
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{0x0D, nullptr, "svcSetThreadPriority"},
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{0x0E, nullptr, "svcGetThreadCoreMask"},
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{0x0F, nullptr, "svcSetThreadCoreMask"},
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{0x10, nullptr, "svcGetCurrentProcessorNumber"},
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{0x11, nullptr, "svcSignalEvent"},
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{0x12, nullptr, "svcClearEvent"},
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{0x13, nullptr, "svcMapSharedMemory"},
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{0x14, nullptr, "svcUnmapSharedMemory"},
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{0x15, nullptr, "svcCreateTransferMemory"},
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{0x16, HLE::Wrap<CloseHandle>, "svcCloseHandle"},
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{0x17, nullptr, "svcResetSignal"},
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{0x18, nullptr, "svcWaitSynchronization"},
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{0x19, nullptr, "svcCancelSynchronization"},
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{0x1A, nullptr, "svcLockMutex"},
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{0x1B, nullptr, "svcUnlockMutex"},
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{0x1C, nullptr, "svcWaitProcessWideKeyAtomic"},
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{0x1D, HLE::Wrap<SignalProcessWideKey>, "svcSignalProcessWideKey"},
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{0x1E, nullptr, "svcGetSystemTick"},
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{0x1F, HLE::Wrap<ConnectToPort>, "svcConnectToPort"},
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{0x20, nullptr, "svcSendSyncRequestLight"},
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{0x21, HLE::Wrap<SendSyncRequest>, "svcSendSyncRequest"},
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{0x22, nullptr, "svcSendSyncRequestWithUserBuffer"},
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{0x23, nullptr, "svcSendAsyncRequestWithUserBuffer"},
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{0x24, nullptr, "svcGetProcessId"},
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{0x25, nullptr, "svcGetThreadId"},
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{0x26, HLE::Wrap<Break>, "svcBreak"},
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{0x27, HLE::Wrap<OutputDebugString>, "svcOutputDebugString"},
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{0x28, nullptr, "svcReturnFromException"},
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{0x29, HLE::Wrap<GetInfo>, "svcGetInfo"},
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{0x2A, nullptr, "svcFlushEntireDataCache"},
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{0x2B, nullptr, "svcFlushDataCache"},
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{0x2C, nullptr, "svcMapPhysicalMemory"},
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{0x2D, nullptr, "svcUnmapPhysicalMemory"},
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{0x2E, nullptr, "Unknown"},
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{0x2F, nullptr, "svcGetLastThreadInfo"},
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{0x30, nullptr, "svcGetResourceLimitLimitValue"},
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{0x31, nullptr, "svcGetResourceLimitCurrentValue"},
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{0x32, nullptr, "svcSetThreadActivity"},
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{0x33, nullptr, "svcGetThreadContext"},
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{0x34, nullptr, "Unknown"},
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{0x35, nullptr, "Unknown"},
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{0x36, nullptr, "Unknown"},
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{0x37, nullptr, "Unknown"},
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{0x38, nullptr, "Unknown"},
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{0x39, nullptr, "Unknown"},
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{0x3A, nullptr, "Unknown"},
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{0x3B, nullptr, "Unknown"},
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{0x3C, nullptr, "svcDumpInfo"},
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{0x3D, nullptr, "Unknown"},
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{0x3E, nullptr, "Unknown"},
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{0x3F, nullptr, "Unknown"},
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{0x40, nullptr, "svcCreateSession"},
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{0x41, nullptr, "svcAcceptSession"},
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{0x42, nullptr, "svcReplyAndReceiveLight"},
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{0x43, nullptr, "svcReplyAndReceive"},
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{0x44, nullptr, "svcReplyAndReceiveWithUserBuffer"},
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{0x45, nullptr, "svcCreateEvent"},
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{0x46, nullptr, "Unknown"},
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{0x47, nullptr, "Unknown"},
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{0x48, nullptr, "Unknown"},
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{0x49, nullptr, "Unknown"},
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{0x4A, nullptr, "Unknown"},
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{0x4B, nullptr, "Unknown"},
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{0x4C, nullptr, "Unknown"},
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{0x4D, nullptr, "svcSleepSystem"},
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{0x4E, nullptr, "svcReadWriteRegister"},
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{0x4F, nullptr, "svcSetProcessActivity"},
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{0x50, nullptr, "svcCreateSharedMemory"},
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{0x51, nullptr, "svcMapTransferMemory"},
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{0x52, nullptr, "svcUnmapTransferMemory"},
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{0x53, nullptr, "svcCreateInterruptEvent"},
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{0x54, nullptr, "svcQueryPhysicalAddress"},
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{0x55, nullptr, "svcQueryIoMapping"},
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{0x56, nullptr, "svcCreateDeviceAddressSpace"},
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{0x57, nullptr, "svcAttachDeviceAddressSpace"},
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{0x58, nullptr, "svcDetachDeviceAddressSpace"},
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{0x59, nullptr, "svcMapDeviceAddressSpaceByForce"},
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{0x5A, nullptr, "svcMapDeviceAddressSpaceAligned"},
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{0x5B, nullptr, "svcMapDeviceAddressSpace"},
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{0x5C, nullptr, "svcUnmapDeviceAddressSpace"},
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{0x5D, nullptr, "svcInvalidateProcessDataCache"},
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{0x5E, nullptr, "svcStoreProcessDataCache"},
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{0x5F, nullptr, "svcFlushProcessDataCache"},
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{0x60, nullptr, "svcDebugActiveProcess"},
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{0x61, nullptr, "svcBreakDebugProcess"},
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{0x62, nullptr, "svcTerminateDebugProcess"},
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{0x63, nullptr, "svcGetDebugEvent"},
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{0x64, nullptr, "svcContinueDebugEvent"},
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{0x65, nullptr, "svcGetProcessList"},
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{0x66, nullptr, "svcGetThreadList"},
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{0x67, nullptr, "svcGetDebugThreadContext"},
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{0x68, nullptr, "svcSetDebugThreadContext"},
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{0x69, nullptr, "svcQueryDebugProcessMemory"},
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{0x6A, nullptr, "svcReadDebugProcessMemory"},
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{0x6B, nullptr, "svcWriteDebugProcessMemory"},
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{0x6C, nullptr, "svcSetHardwareBreakPoint"},
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{0x6D, nullptr, "svcGetDebugThreadParam"},
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{0x6E, nullptr, "Unknown"},
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{0x6F, nullptr, "Unknown"},
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{0x70, nullptr, "svcCreatePort"},
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{0x71, nullptr, "svcManageNamedPort"},
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{0x72, nullptr, "svcConnectToPort"},
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{0x73, nullptr, "svcSetProcessMemoryPermission"},
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{0x74, nullptr, "svcMapProcessMemory"},
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{0x75, nullptr, "svcUnmapProcessMemory"},
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{0x76, nullptr, "svcQueryProcessMemory"},
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{0x77, nullptr, "svcMapProcessCodeMemory"},
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{0x78, nullptr, "svcUnmapProcessCodeMemory"},
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{0x79, nullptr, "svcCreateProcess"},
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{0x7A, nullptr, "svcStartProcess"},
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{0x7B, nullptr, "svcTerminateProcess"},
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{0x7C, nullptr, "svcGetProcessInfo"},
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{0x7D, nullptr, "svcCreateResourceLimit"},
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{0x7E, nullptr, "svcSetResourceLimitLimitValue"},
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{0x7F, nullptr, "svcCallSecureMonitor"},
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};
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static const FunctionDef* GetSVCInfo(u32 func_num) {
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if (func_num >= ARRAY_SIZE(SVC_Table)) {
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LOG_ERROR(Kernel_SVC, "unknown svc=0x%02X", func_num);
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return nullptr;
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}
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return &SVC_Table[func_num];
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}
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MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70));
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void CallSVC(u32 immediate) {
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MICROPROFILE_SCOPE(Kernel_SVC);
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// Lock the global kernel mutex when we enter the kernel HLE.
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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const FunctionDef* info = GetSVCInfo(immediate);
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if (info) {
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if (info->func) {
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info->func();
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} else {
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LOG_CRITICAL(Kernel_SVC, "unimplemented SVC function %s(..)", info->name);
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}
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} else {
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LOG_CRITICAL(Kernel_SVC, "unknown SVC function 0x%x", immediate);
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}
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}
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} // namespace SVC
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