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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
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@ -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) {
@ -57,13 +91,20 @@ void RegisterAllModules() {
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");
}

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);

4
src/core/mem_map.h
View File

@ -32,10 +32,6 @@ enum {
MEM_VRAM_VADDR = 0x1F000000,
MEM_SCRATCHPAD_VADDR = (0x10000000 - MEM_SCRATCHPAD_SIZE), ///< Scratchpad virtual address
MEM_OSHLE_SIZE = 0x08000000, ///< ...Same size as FCRAM for now
MEM_OSHLE_VADDR = 0xA0000000, ///< Memory for use by OSHLE accessible by appcore CPU
MEM_OSHLE_VADDR_END = (MEM_OSHLE_VADDR + MEM_OSHLE_SIZE),
};
////////////////////////////////////////////////////////////////////////////////////////////////////

10
src/core/mem_map_funcs.cpp
View File

@ -20,8 +20,8 @@ inline void _Read(T &var, const u32 addr) {
// Memory allocated for HLE use that can be addressed from the emulated application
// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
// core running the user application (appcore)
if (addr >= MEM_OSHLE_VADDR && addr < MEM_OSHLE_VADDR_END) {
NOTICE_LOG(MEMMAP, "OSHLE read @ 0x%08X", addr);
if (addr >= HLE::CMD_BUFFER_ADDR && addr < HLE::CMD_BUFFER_ADDR_END) {
HLE::Read<T>(var, addr);
// Hardware I/O register reads
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
@ -58,13 +58,13 @@ inline void _Write(u32 addr, const T data) {
// Memory allocated for HLE use that can be addressed from the emulated application
// The primary use of this is sharing a commandbuffer between the HLE OS (syscore) and the LLE
// core running the user application (appcore)
if (addr >= MEM_OSHLE_VADDR && addr < MEM_OSHLE_VADDR_END) {
NOTICE_LOG(MEMMAP, "OSHLE write @ 0x%08X", addr);
if (addr >= HLE::CMD_BUFFER_ADDR && addr < HLE::CMD_BUFFER_ADDR_END) {
HLE::Write<T>(addr, data);
// Hardware I/O register writes
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
} else if ((addr & 0xFF000000) == 0x10000000 || (addr & 0xFF000000) == 0x1E000000) {
HW::Write<const T>(addr, data);
HW::Write<T>(addr, data);
// ExeFS:/.code is loaded here:
} else if ((addr & 0xFFF00000) == 0x00100000) {