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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <vector>
#include "core/mem_map.h"
#include "core/hle/hle.h"
#include "core/hle/syscall.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace HLE {
static std::vector<ModuleDef> g_module_db;
u8* g_command_buffer = NULL; ///< Command buffer used for sharing between appcore and syscore
// Read from memory used by CTROS HLE functions
template <typename T>
inline void Read(T &var, const u32 addr) {
if (addr >= HLE::CMD_BUFFER_ADDR && addr < HLE::CMD_BUFFER_ADDR_END) {
var = *((const T*)&g_command_buffer[addr & CMD_BUFFER_MASK]);
} else {
ERROR_LOG(HLE, "unknown read from address %08X", addr);
}
}
// Write to memory used by CTROS HLE functions
template <typename T>
inline void Write(u32 addr, const T data) {
if (addr >= HLE::CMD_BUFFER_ADDR && addr < HLE::CMD_BUFFER_ADDR_END) {
*(T*)&g_command_buffer[addr & CMD_BUFFER_MASK] = data;
} else {
ERROR_LOG(HLE, "unknown write to address %08X", addr);
}
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64 &var, const u32 addr);
template void Read<u32>(u32 &var, const u32 addr);
template void Read<u16>(u16 &var, const u32 addr);
template void Read<u8>(u8 &var, const u32 addr);
template void Write<u64>(u32 addr, const u64 data);
template void Write<u32>(u32 addr, const u32 data);
template void Write<u16>(u32 addr, const u16 data);
template void Write<u8>(u32 addr, const u8 data);
const FunctionDef* GetSyscallInfo(u32 opcode) {
u32 func_num = opcode & 0xFFFFFF; // 8 bits
if (func_num > 0xFF) {
ERROR_LOG(HLE,"Unknown syscall: 0x%02X", func_num);
return NULL;
}
return &g_module_db[0].func_table[func_num];
}
void CallSyscall(u32 opcode) {
const FunctionDef *info = GetSyscallInfo(opcode);
if (!info) {
return;
}
if (info->func) {
info->func();
} else {
ERROR_LOG(HLE, "Unimplemented HLE function %s", info->name);
}
}
/// Returns the coprocessor (in this case, syscore) command buffer pointer
Addr CallGetThreadCommandBuffer() {
// Called on insruction: mrc p15, 0, r0, c13, c0, 3
// Returns an address in OSHLE memory for the CPU to read/write to
RETURN(CMD_BUFFER_ADDR);
return CMD_BUFFER_ADDR;
}
void RegisterModule(std::string name, int num_functions, const FunctionDef* func_table) {
ModuleDef module = {name, num_functions, func_table};
g_module_db.push_back(module);
}
void RegisterAllModules() {
Syscall::Register();
}
void Init() {
Service::Init();
g_command_buffer = new u8[CMD_BUFFER_SIZE];
RegisterAllModules();
NOTICE_LOG(HLE, "initialized OK");
}
void Shutdown() {
Service::Shutdown();
delete g_command_buffer;
g_module_db.clear();
NOTICE_LOG(HLE, "shutdown OK");
}
} // namespace
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