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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <fmt/format.h>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/service/dsp_dsp.h"
#include "core/hle/service/gsp_gpu.h"
#include "core/hle/service/gsp_lcd.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
using Kernel::ClientPort;
using Kernel::ServerPort;
using Kernel::ServerSession;
using Kernel::SharedPtr;
namespace Service {
std::unordered_map<std::string, SharedPtr<ClientPort>> g_kernel_named_ports;
/**
* Creates a function string for logging, complete with the name (or header code, depending
* on what's passed in) the port name, and all the cmd_buff arguments.
*/
static std::string MakeFunctionString(const char* name, const char* port_name,
const u32* cmd_buff) {
// Number of params == bits 0-5 + bits 6-11
int num_params = (cmd_buff[0] & 0x3F) + ((cmd_buff[0] >> 6) & 0x3F);
std::string function_string =
Common::StringFromFormat("function '%s': port=%s", name, port_name);
for (int i = 1; i <= num_params; ++i) {
function_string += Common::StringFromFormat(", cmd_buff[%i]=0x%X", i, cmd_buff[i]);
}
return function_string;
}
Interface::Interface(u32 max_sessions) : max_sessions(max_sessions) {}
Interface::~Interface() = default;
void Interface::HandleSyncRequest(SharedPtr<ServerSession> server_session) {
// TODO(Subv): Make use of the server_session in the HLE service handlers to distinguish which
// session triggered each command.
u32* cmd_buff = Kernel::GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
if (itr == m_functions.end() || itr->second.func == nullptr) {
std::string function_name = (itr == m_functions.end())
? Common::StringFromFormat("0x%08X", cmd_buff[0])
: itr->second.name;
LOG_ERROR(
Service, "unknown / unimplemented %s",
MakeFunctionString(function_name.c_str(), GetPortName().c_str(), cmd_buff).c_str());
// TODO(bunnei): Hack - ignore error
cmd_buff[1] = 0;
return;
}
LOG_TRACE(Service, "%s",
MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
itr->second.func(this);
}
void Interface::Register(const FunctionInfo* functions, size_t n) {
m_functions.reserve(n);
for (size_t i = 0; i < n; ++i) {
// Usually this array is sorted by id already, so hint to instead at the end
m_functions.emplace_hint(m_functions.cend(), functions[i].id, functions[i]);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
ServiceFrameworkBase::ServiceFrameworkBase(const char* service_name, u32 max_sessions,
InvokerFn* handler_invoker)
: service_name(service_name), max_sessions(max_sessions), handler_invoker(handler_invoker) {}
ServiceFrameworkBase::~ServiceFrameworkBase() = default;
void ServiceFrameworkBase::InstallAsService(SM::ServiceManager& service_manager) {
ASSERT(port == nullptr);
port = service_manager.RegisterService(service_name, max_sessions).Unwrap();
port->SetHleHandler(shared_from_this());
}
void ServiceFrameworkBase::InstallAsNamedPort() {
ASSERT(port == nullptr);
SharedPtr<ServerPort> server_port;
SharedPtr<ClientPort> client_port;
std::tie(server_port, client_port) = ServerPort::CreatePortPair(max_sessions, service_name);
server_port->SetHleHandler(shared_from_this());
AddNamedPort(service_name, std::move(client_port));
}
void ServiceFrameworkBase::RegisterHandlersBase(const FunctionInfoBase* functions, size_t n) {
handlers.reserve(handlers.size() + n);
for (size_t i = 0; i < n; ++i) {
// Usually this array is sorted by id already, so hint to insert at the end
handlers.emplace_hint(handlers.cend(), functions[i].expected_header, functions[i]);
}
}
void ServiceFrameworkBase::ReportUnimplementedFunction(u32* cmd_buf, const FunctionInfoBase* info) {
IPC::Header header{cmd_buf[0]};
int num_params = header.normal_params_size + header.translate_params_size;
std::string function_name = info == nullptr ? fmt::format("{:#08x}", cmd_buf[0]) : info->name;
fmt::MemoryWriter w;
w.write("function '{}': port='{}' cmd_buf={{[0]={:#x}", function_name, service_name,
cmd_buf[0]);
for (int i = 1; i <= num_params; ++i) {
w.write(", [{}]={:#x}", i, cmd_buf[i]);
}
w << '}';
LOG_ERROR(Service, "unknown / unimplemented %s", w.c_str());
// TODO(bunnei): Hack - ignore error
cmd_buf[1] = 0;
}
void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_session) {
u32* cmd_buf = Kernel::GetCommandBuffer();
u32 header_code = cmd_buf[0];
auto itr = handlers.find(header_code);
const FunctionInfoBase* info = itr == handlers.end() ? nullptr : &itr->second;
if (info == nullptr || info->handler_callback == nullptr) {
return ReportUnimplementedFunction(cmd_buf, info);
}
// TODO(yuriks): The kernel should be the one handling this as part of translation after
// everything else is migrated
Kernel::HLERequestContext context(std::move(server_session));
context.PopulateFromIncomingCommandBuffer(cmd_buf, *Kernel::g_current_process,
Kernel::g_handle_table);
LOG_TRACE(Service, "%s",
MakeFunctionString(info->name, GetServiceName().c_str(), cmd_buf).c_str());
handler_invoker(this, info->handler_callback, context);
context.WriteToOutgoingCommandBuffer(cmd_buf, *Kernel::g_current_process,
Kernel::g_handle_table);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Module interface
// TODO(yuriks): Move to kernel
void AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
g_kernel_named_ports.emplace(std::move(name), std::move(port));
}
static void AddNamedPort(Interface* interface_) {
SharedPtr<ServerPort> server_port;
SharedPtr<ClientPort> client_port;
std::tie(server_port, client_port) =
ServerPort::CreatePortPair(interface_->GetMaxSessions(), interface_->GetPortName());
server_port->SetHleHandler(std::shared_ptr<Interface>(interface_));
AddNamedPort(interface_->GetPortName(), std::move(client_port));
}
void AddService(Interface* interface_) {
auto server_port =
SM::g_service_manager
->RegisterService(interface_->GetPortName(), interface_->GetMaxSessions())
.Unwrap();
server_port->SetHleHandler(std::shared_ptr<Interface>(interface_));
}
/// Initialize ServiceManager
void Init() {
SM::g_service_manager = std::make_shared<SM::ServiceManager>();
SM::ServiceManager::InstallInterfaces(SM::g_service_manager);
HID::Init();
AddService(new DSP_DSP::Interface);
AddService(new GSP::GSP_GPU);
AddService(new GSP::GSP_LCD);
LOG_DEBUG(Service, "initialized OK");
}
/// Shutdown ServiceManager
void Shutdown() {
HID::Shutdown();
SM::g_service_manager = nullptr;
g_kernel_named_ports.clear();
LOG_DEBUG(Service, "shutdown OK");
}
}
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