1 files changed, 120 insertions, 0 deletions
diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp
new file mode 100644
index 000000000..5672a659f
--- /dev/null
+++ 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