Mirrors/citra
1
0
Fork 0
mirror of https://github.com/PabloMK7/citra synced 2024-11-15 05:08:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

- removed HLE mem "hack" and replaced with kernel mem region

Browse source 
- added a helper function for getting command buffer for services
- fixed bug where GSP DMA was incorrectly being done in DataSynchronizationBarrier (instead of gsp_TriggerCmdReqQueue)
This commit is contained in:
bunnei 2014-05-07 21:04:55 -04:00
parent f23e99bb85
commit 72622a1b5a
8 changed files with 100 additions and 116 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
src/core/hle/coprocessor.cpp
View file

@ -9,39 +9,15 @@
namespace HLE {
enum {
CMD_GX_REQUEST_DMA = 0x00000000,
};
/// Data synchronization barrier
u32 DataSynchronizationBarrier(u32* command_buffer) {
u32 command = command_buffer[0];
switch (command) {
case CMD_GX_REQUEST_DMA:
{
u32* src = (u32*)Memory::GetPointer(command_buffer[1]);
u32* dst = (u32*)Memory::GetPointer(command_buffer[2]);
u32 size = command_buffer[3];
memcpy(dst, src, size);
}
break;
default:
ERROR_LOG(OSHLE, "MRC::DataSynchronizationBarrier unknown command 0x%08X", command);
return -1;
}
u32 DataSynchronizationBarrier() {
return 0;
}
/// Returns the coprocessor (in this case, syscore) command buffer pointer
Addr GetThreadCommandBuffer() {
// 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;
return Memory::KERNEL_MEMORY_VADDR;
}
/// Call an MCR (move to coprocessor from ARM register) instruction in HLE
@ -49,7 +25,7 @@ s32 CallMCR(u32 instruction, u32 value) {
CoprocessorOperation operation = (CoprocessorOperation)((instruction >> 20) & 0xFF);
ERROR_LOG(OSHLE, "unimplemented MCR instruction=0x%08X, operation=%02X, value=%08X",
instruction, operation, value);
return -1;
return 0;
}
/// Call an MRC (move to ARM register from coprocessor) instruction in HLE
@ -59,7 +35,7 @@ s32 CallMRC(u32 instruction) {
switch (operation) {
case DATA_SYNCHRONIZATION_BARRIER:
return DataSynchronizationBarrier((u32*)Memory::GetPointer(PARAM(0)));
return DataSynchronizationBarrier();
case CALL_GET_THREAD_COMMAND_BUFFER:
return GetThreadCommandBuffer();
@ -68,7 +44,7 @@ s32 CallMRC(u32 instruction) {
ERROR_LOG(OSHLE, "unimplemented MRC instruction 0x%08X", instruction);
break;
}
return -1;
return 0;
}
} // namespace

47
src/core/hle/hle.cpp
View file

@ -15,49 +15,6 @@ 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) {
@ -91,8 +48,6 @@ void RegisterAllModules() {
void Init() {
Service::Init();
g_command_buffer = new u8[CMD_BUFFER_SIZE];
RegisterAllModules();
@ -102,8 +57,6 @@ void Init() {
void Shutdown() {
Service::Shutdown();
delete g_command_buffer;
g_module_db.clear();
NOTICE_LOG(HLE, "shutdown OK");

21
src/core/hle/hle.h
View file

@ -17,13 +17,6 @@
namespace HLE {
enum {
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;
typedef void (*Func)();
@ -39,20 +32,6 @@ 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);
u8* GetPointer(const u32 Address);
inline const char* GetCharPointer(const u32 address) {
return (const char *)GetPointer(address);
}
void RegisterModule(std::string name, int num_functions, const FunctionDef *func_table);
void CallSyscall(u32 opcode);

2
src/core/hle/service/apt.cpp
View file

@ -18,7 +18,7 @@ void Initialize(Service::Interface* self) {
}
void GetLockHandle(Service::Interface* self) {
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[5] = 0x00000000; // TODO: This should be an actual mutex handle
}

76
src/core/hle/service/gsp.cpp
View file

@ -4,6 +4,7 @@
#include "common/log.h"
#include "common/bit_field.h"
#include "core/mem_map.h"
#include "core/hle/hle.h"
@ -11,11 +12,57 @@
#include "core/hw/lcd.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
/// GSP shared memory GX command buffer header
union GX_CmdBufferHeader {
u32 hex;
// Current command index. This index is updated by GSP module after loading the command data,
// right before the command is processed. When this index is updated by GSP module, the total
// commands field is decreased by one as well.
BitField<0,8,u32> index;
// Total commands to process, must not be value 0 when GSP module handles commands. This must be
// <=15 when writing a command to shared memory. This is incremented by the application when
// writing a command to shared memory, after increasing this value TriggerCmdReqQueue is only
// used if this field is value 1.
BitField<8,8,u32> number_commands;
// Must not be value 1. When the error-code u32 is set, this u8 is set to value 0x80.
BitField<16,8,u32> unk_0;
// Bit 0 must not be set
BitField<24,8,u32> unk_1;
};
/// Gets the address of the start (header) of a command buffer in GSP shared memory
static inline u32 GX_GetCmdBufferAddress(u32 thread_id) {
return (0x10002000 + 0x800 + (thread_id * 0x200));
}
/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
static inline u8* GX_GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
return Memory::GetPointer(GX_GetCmdBufferAddress(thread_id) + offset);
}
/// Finishes execution of a GSP command
void GX_FinishCommand(u32 thread_id) {
GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(thread_id);
header->number_commands = header->number_commands - 1;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace GSP_GPU
namespace GSP_GPU {
u32 g_thread_id = 0;
enum {
CMD_GX_REQUEST_DMA = 0x00000000,
};
enum {
REG_FRAMEBUFFER_1 = 0x00400468,
REG_FRAMEBUFFER_2 = 0x00400494,
@ -26,7 +73,7 @@ void ReadHWRegs(Service::Interface* self) {
static const u32 framebuffer_1[] = {LCD::PADDR_VRAM_TOP_LEFT_FRAME1, LCD::PADDR_VRAM_TOP_RIGHT_FRAME1};
static const u32 framebuffer_2[] = {LCD::PADDR_VRAM_TOP_LEFT_FRAME2, LCD::PADDR_VRAM_TOP_RIGHT_FRAME2};
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32* cmd_buff = Service::GetCommandBuffer();
u32 reg_addr = cmd_buff[1];
u32 size = cmd_buff[2];
u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
@ -50,18 +97,37 @@ void ReadHWRegs(Service::Interface* self) {
break;
default:
ERROR_LOG(OSHLE, "GSP_GPU::ReadHWRegs unknown register read at address %08X", reg_addr);
ERROR_LOG(GSP, "ReadHWRegs unknown register read at address %08X", reg_addr);
}
}
void RegisterInterruptRelayQueue(Service::Interface* self) {
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32* cmd_buff = Service::GetCommandBuffer();
u32 flags = cmd_buff[1];
u32 event_handle = cmd_buff[3]; // TODO(bunnei): Implement event handling
cmd_buff[2] = g_thread_id; // ThreadID
cmd_buff[4] = self->NewHandle();
}
return;
/// This triggers handling of the GX command written to the command buffer in shared memory.
void TriggerCmdReqQueue(Service::Interface* self) {
GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(g_thread_id);
u32* cmd_buff = (u32*)GX_GetCmdBufferPointer(g_thread_id, 0x20 + (header->index * 0x20));
switch (cmd_buff[0]) {
// GX request DMA - typically used for copying memory from GSP heap to VRAM
case CMD_GX_REQUEST_DMA:
memcpy(Memory::GetPointer(cmd_buff[2]), Memory::GetPointer(cmd_buff[1]), cmd_buff[3]);
break;
default:
ERROR_LOG(GSP, "TriggerCmdReqQueue unknown command 0x%08X", cmd_buff[0]);
}
GX_FinishCommand(g_thread_id);
}
const Interface::FunctionInfo FunctionTable[] = {
@ -76,7 +142,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x00090082, NULL, "InvalidateDataCache"},
{0x000A0044, NULL, "RegisterInterruptEvents"},
{0x000B0040, NULL, "SetLcdForceBlack"},
{0x000C0000, NULL, "TriggerCmdReqQueue"},
{0x000C0000, TriggerCmdReqQueue, "TriggerCmdReqQueue"},
{0x000D0140, NULL, "SetDisplayTransfer"},
{0x000E0180, NULL, "SetTextureCopy"},
{0x000F0200, NULL, "SetMemoryFill"},

12
src/core/hle/service/service.h
View file

@ -10,6 +10,7 @@
#include "common/common.h"
#include "common/common_types.h"
#include "core/mem_map.h"
#include "core/hle/syscall.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -22,6 +23,15 @@ typedef s32 NativeUID; ///< Native handle for a service
static const int kMaxPortSize = 0x08; ///< Maximum size of a port name (8 characters)
static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
/**
* Returns a pointer to the command buffer in kernel memory
* @param offset Optional offset into command buffer
* @return Pointer to command buffer
*/
inline static u32* GetCommandBuffer(const int offset=0) {
return (u32*)Memory::GetPointer(Memory::KERNEL_MEMORY_VADDR + kCommandHeaderOffset + offset);
}
class Manager;
/// Interface to a CTROS service
@ -81,7 +91,7 @@ public:
* @return Return result of svcSendSyncRequest passed back to user app
*/
Syscall::Result Sync() {
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + kCommandHeaderOffset);
u32* cmd_buff = GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
if (itr == m_functions.end()) {

2
src/core/hle/service/srv.cpp
View file

@ -18,7 +18,7 @@ void Initialize(Service::Interface* self) {
void GetServiceHandle(Service::Interface* self) {
Syscall::Result res = 0;
u32* cmd_buff = (u32*)HLE::GetPointer(HLE::CMD_BUFFER_ADDR + Service::kCommandHeaderOffset);
u32* cmd_buff = Service::GetCommandBuffer();
std::string port_name = std::string((const char*)&cmd_buff[1], 0, Service::kMaxPortSize);
Service::Interface* service = Service::g_manager->FetchFromPortName(port_name);

22
src/core/mem_map_funcs.cpp
View file

@ -48,11 +48,9 @@ inline void _Read(T &var, const u32 addr) {
const u32 vaddr = _VirtualAddress(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 (vaddr >= HLE::CMD_BUFFER_ADDR && vaddr < HLE::CMD_BUFFER_ADDR_END) {
HLE::Read<T>(var, vaddr);
// Kernel memory command buffer
if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
var = *((const T*)&g_kernel_mem[vaddr & KERNEL_MEMORY_MASK]);
// Hardware I/O register reads
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
@ -92,11 +90,9 @@ template <typename T>
inline void _Write(u32 addr, const T data) {
u32 vaddr = _VirtualAddress(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 (vaddr >= HLE::CMD_BUFFER_ADDR && vaddr < HLE::CMD_BUFFER_ADDR_END) {
HLE::Write<T>(vaddr, data);
// Kernel memory command buffer
if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
*(T*)&g_kernel_mem[vaddr & KERNEL_MEMORY_MASK] = data;
// Hardware I/O register writes
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
@ -140,8 +136,12 @@ inline void _Write(u32 addr, const T data) {
u8 *GetPointer(const u32 addr) {
const u32 vaddr = _VirtualAddress(addr);
// Kernel memory command buffer
if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
return g_kernel_mem + (vaddr & KERNEL_MEMORY_MASK);
// ExeFS:/.code is loaded here
if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
} else if ((vaddr >= EXEFS_CODE_VADDR) && (vaddr < EXEFS_CODE_VADDR_END)) {
return g_exefs_code + (vaddr & EXEFS_CODE_MASK);
// FCRAM - GSP heap