mirror of
https://github.com/yuzu-mirror/yuzu.git
synced 2024-11-20 09:37:33 +01:00
6e11570862
Uses less memory (strings and function table is stored in constant data) and speeds up start up (no need to allocate and copy strings).
124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
#include <boost/container/flat_map.hpp>
|
|
|
|
#include "common/common.h"
|
|
#include "common/string_util.h"
|
|
#include "core/mem_map.h"
|
|
|
|
#include "core/hle/kernel/kernel.h"
|
|
#include "core/hle/kernel/session.h"
|
|
#include "core/hle/svc.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Namespace Service
|
|
|
|
namespace Service {
|
|
|
|
static const int kMaxPortSize = 8; ///< Maximum size of a port name (8 characters)
|
|
|
|
class Manager;
|
|
|
|
/// Interface to a CTROS service
|
|
class Interface : public Kernel::Session {
|
|
// TODO(yuriks): An "Interface" being a Kernel::Object is mostly non-sense. Interface should be
|
|
// just something that encapsulates a session and acts as a helper to implement service
|
|
// processes.
|
|
|
|
friend class Manager;
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
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]=%u", i, cmd_buff[i]);
|
|
}
|
|
return function_string;
|
|
}
|
|
|
|
public:
|
|
std::string GetName() const override { return GetPortName(); }
|
|
|
|
typedef void (*Function)(Interface*);
|
|
|
|
struct FunctionInfo {
|
|
u32 id;
|
|
Function func;
|
|
const char* name;
|
|
};
|
|
|
|
/**
|
|
* Gets the string name used by CTROS for a service
|
|
* @return Port name of service
|
|
*/
|
|
virtual std::string GetPortName() const {
|
|
return "[UNKNOWN SERVICE PORT]";
|
|
}
|
|
|
|
ResultVal<bool> SyncRequest() override {
|
|
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 MakeResult<bool>(false);
|
|
} else {
|
|
LOG_TRACE(Service, "%s", MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
|
|
}
|
|
|
|
itr->second.func(this);
|
|
|
|
return MakeResult<bool>(false); // TODO: Implement return from actual function
|
|
}
|
|
|
|
protected:
|
|
|
|
/**
|
|
* Registers the functions in the service
|
|
*/
|
|
template <size_t N>
|
|
void Register(const FunctionInfo (&functions)[N]) {
|
|
m_functions.reserve(N);
|
|
for (auto& fn : functions) {
|
|
// Usually this array is sorted by id already, so hint to instead at the end
|
|
m_functions.emplace_hint(m_functions.cend(), fn.id, fn);
|
|
}
|
|
}
|
|
|
|
private:
|
|
boost::container::flat_map<u32, FunctionInfo> m_functions;
|
|
|
|
};
|
|
|
|
/// Initialize ServiceManager
|
|
void Init();
|
|
|
|
/// Shutdown ServiceManager
|
|
void Shutdown();
|
|
|
|
/// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC.
|
|
extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
|
|
/// Map of services registered with the "srv:" service, retrieved using GetServiceHandle.
|
|
extern std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;
|
|
|
|
} // namespace
|