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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <fmt/format.h>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/settings.h"
#include "core/core.h"
#include "core/hle/ipc.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/reporter.h"
namespace Service {
/**
* 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.
*/
[[maybe_unused]] static std::string MakeFunctionString(std::string_view name,
std::string_view 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 = fmt::format("function '{}': port={}", name, port_name);
for (int i = 1; i <= num_params; ++i) {
function_string += fmt::format(", cmd_buff[{}]=0x{:X}", i, cmd_buff[i]);
}
return function_string;
}
ServiceFrameworkBase::ServiceFrameworkBase(Core::System& system_, const char* service_name_,
u32 max_sessions_, InvokerFn* handler_invoker_)
: SessionRequestHandler(system_.Kernel(), service_name_), system{system_},
service_name{service_name_}, max_sessions{max_sessions_}, handler_invoker{handler_invoker_} {}
ServiceFrameworkBase::~ServiceFrameworkBase() {
// Wait for other threads to release access before destroying
const auto guard = LockService();
}
void ServiceFrameworkBase::RegisterHandlersBase(const FunctionInfoBase* functions, std::size_t n) {
handlers.reserve(handlers.size() + n);
for (std::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::RegisterHandlersBaseTipc(const FunctionInfoBase* functions,
std::size_t n) {
handlers_tipc.reserve(handlers_tipc.size() + n);
for (std::size_t i = 0; i < n; ++i) {
// Usually this array is sorted by id already, so hint to insert at the end
handlers_tipc.emplace_hint(handlers_tipc.cend(), functions[i].expected_header,
functions[i]);
}
}
void ServiceFrameworkBase::ReportUnimplementedFunction(HLERequestContext& ctx,
const FunctionInfoBase* info) {
auto cmd_buf = ctx.CommandBuffer();
std::string function_name = info == nullptr ? fmt::format("{}", ctx.GetCommand()) : info->name;
fmt::memory_buffer buf;
fmt::format_to(std::back_inserter(buf), "function '{}': port='{}' cmd_buf={{[0]=0x{:X}",
function_name, service_name, cmd_buf[0]);
for (int i = 1; i <= 8; ++i) {
fmt::format_to(std::back_inserter(buf), ", [{}]=0x{:X}", i, cmd_buf[i]);
}
buf.push_back('}');
system.GetReporter().SaveUnimplementedFunctionReport(ctx, ctx.GetCommand(), function_name,
service_name);
UNIMPLEMENTED_MSG("Unknown / unimplemented {}", fmt::to_string(buf));
if (Settings::values.use_auto_stub) {
LOG_WARNING(Service, "Using auto stub fallback!");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
}
void ServiceFrameworkBase::InvokeRequest(HLERequestContext& ctx) {
auto itr = handlers.find(ctx.GetCommand());
const FunctionInfoBase* info = itr == handlers.end() ? nullptr : &itr->second;
if (info == nullptr || info->handler_callback == nullptr) {
return ReportUnimplementedFunction(ctx, info);
}
LOG_TRACE(Service, "{}", MakeFunctionString(info->name, GetServiceName(), ctx.CommandBuffer()));
handler_invoker(this, info->handler_callback, ctx);
}
void ServiceFrameworkBase::InvokeRequestTipc(HLERequestContext& ctx) {
boost::container::flat_map<u32, FunctionInfoBase>::iterator itr;
itr = handlers_tipc.find(ctx.GetCommand());
const FunctionInfoBase* info = itr == handlers_tipc.end() ? nullptr : &itr->second;
if (info == nullptr || info->handler_callback == nullptr) {
return ReportUnimplementedFunction(ctx, info);
}
LOG_TRACE(Service, "{}", MakeFunctionString(info->name, GetServiceName(), ctx.CommandBuffer()));
handler_invoker(this, info->handler_callback, ctx);
}
Result ServiceFrameworkBase::HandleSyncRequest(Kernel::KServerSession& session,
HLERequestContext& ctx) {
const auto guard = LockService();
Result result = ResultSuccess;
switch (ctx.GetCommandType()) {
case IPC::CommandType::Close:
case IPC::CommandType::TIPC_Close: {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
result = IPC::ResultSessionClosed;
break;
}
case IPC::CommandType::ControlWithContext:
case IPC::CommandType::Control: {
system.ServiceManager().InvokeControlRequest(ctx);
break;
}
case IPC::CommandType::RequestWithContext:
case IPC::CommandType::Request: {
InvokeRequest(ctx);
break;
}
default:
if (ctx.IsTipc()) {
InvokeRequestTipc(ctx);
break;
}
UNIMPLEMENTED_MSG("command_type={}", ctx.GetCommandType());
break;
}
// If emulation was shutdown, we are closing service threads, do not write the response back to
// memory that may be shutting down as well.
if (system.IsPoweredOn()) {
ctx.WriteToOutgoingCommandBuffer();
}
return result;
}
} // namespace Service
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