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added OS memory read/write for thread command buffer

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This commit is contained in:
bunnei 2014-04-12 23:31:39 -04:00
parent b24e6f2b60
commit 6f6d5158de
4 changed files with 60 additions and 12 deletions
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45
src/core/hle/hle.cpp
View file

@ -15,6 +15,40 @@ 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) {
@ -41,8 +75,8 @@ void CallSyscall(u32 opcode) {
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(OS_THREAD_COMMAND_BUFFER_ADDR);
return OS_THREAD_COMMAND_BUFFER_ADDR;
RETURN(CMD_BUFFER_ADDR);
return CMD_BUFFER_ADDR;
}
void RegisterModule(std::string name, int num_functions, const FunctionDef* func_table) {
@ -56,6 +90,8 @@ void RegisterAllModules() {
void Init() {
Service::Init();
g_command_buffer = new u8[CMD_BUFFER_SIZE];
RegisterAllModules();
@ -63,7 +99,12 @@ void Init() {
}
void Shutdown() {
Service::Shutdown();
delete g_command_buffer;
g_module_db.clear();
NOTICE_LOG(HLE, "shutdown OK");
}

13
src/core/hle/hle.h
View file

@ -17,7 +17,10 @@
namespace HLE {
enum {
OS_THREAD_COMMAND_BUFFER_ADDR = 0xA0004000,
CMD_BUFFER_ADDR = 0xA0010000, ///< Totally arbitrary unused address space
CMD_BUFFER_SIZE = 0x10000,
CMD_BUFFER_MASK = (CMD_BUFFER_SIZE - 1),
CMD_BUFFER_ADDR_END = (CMD_BUFFER_ADDR + CMD_BUFFER_SIZE),
};
typedef u32 Addr;
@ -35,6 +38,14 @@ struct ModuleDef {
const FunctionDef* func_table;
};
// Read from memory used by CTROS HLE functions
template <typename T>
inline void Read(T &var, const u32 addr);
// Write to memory used by CTROS HLE functions
template <typename T>
inline void Write(u32 addr, const T data);
void RegisterModule(std::string name, int num_functions, const FunctionDef *func_table);
void CallSyscall(u32 opcode);