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-rw-r--r--src/core/hle/hle.cpp120
1 files changed, 120 insertions, 0 deletions
diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp
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+++ b/src/core/hle/hle.cpp
@@ -0,0 +1,120 @@
+// 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);
+ }
+}
+
+u8 *GetPointer(const u32 addr) {
+ if (addr >= HLE::CMD_BUFFER_ADDR && addr < HLE::CMD_BUFFER_ADDR_END) {
+ return g_command_buffer + (addr & CMD_BUFFER_MASK);
+ } else {
+ ERROR_LOG(HLE, "unknown pointer from address %08X", addr);
+ return 0;
+ }
+}
+
+// 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 SysCall function %s(..)", info->name.c_str());
+ }
+}
+
+/// 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