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Merge branch 'hardware-interface'

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Conflicts:
	src/core/src/core.h
This commit is contained in:
bunnei 2014-04-07 00:57:37 -04:00
commit f446f79da2
34 changed files with 1786 additions and 168 deletions
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4
src/core/core.vcxproj
View file

@ -152,6 +152,8 @@
<ClCompile Include="src\elf\elf_reader.cpp" />
<ClCompile Include="src\file_sys\directory_file_system.cpp" />
<ClCompile Include="src\file_sys\meta_file_system.cpp" />
<ClCompile Include="src\hw\hw.cpp" />
<ClCompile Include="src\hw\hw_lcd.cpp" />
<ClCompile Include="src\loader.cpp" />
<ClCompile Include="src\mem_map.cpp" />
<ClCompile Include="src\mem_map_funcs.cpp" />
@ -180,6 +182,8 @@
<ClInclude Include="src\file_sys\directory_file_system.h" />
<ClInclude Include="src\file_sys\file_sys.h" />
<ClInclude Include="src\file_sys\meta_file_system.h" />
<ClInclude Include="src\hw\hw.h" />
<ClInclude Include="src\hw\hw_lcd.h" />
<ClInclude Include="src\loader.h" />
<ClInclude Include="src\mem_map.h" />
<ClInclude Include="src\system.h" />

15
src/core/core.vcxproj.filters
View file

@ -46,6 +46,12 @@
<ClCompile Include="src\arm\interpreter\arm_interpreter.cpp">
<Filter>arm\interpreter</Filter>
</ClCompile>
<ClCompile Include="src\hw\hw.cpp">
<Filter>hw</Filter>
</ClCompile>
<ClCompile Include="src\hw\hw_lcd.cpp">
<Filter>hw</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<Filter Include="arm">
@ -69,6 +75,9 @@
<Filter Include="arm\interpreter">
<UniqueIdentifier>{cca8b763-8a80-4478-9bcc-3c979293c357}</UniqueIdentifier>
</Filter>
<Filter Include="hw">
<UniqueIdentifier>{d1158fc4-3e0f-431f-9d3b-f30bbfeb4ad5}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\arm\disassembler\arm_disasm.h">
@ -136,6 +145,12 @@
<ClInclude Include="src\arm\interpreter\arm_interpreter.h">
<Filter>arm\interpreter</Filter>
</ClInclude>
<ClInclude Include="src\hw\hw.h">
<Filter>hw</Filter>
</ClInclude>
<ClInclude Include="src\hw\hw_lcd.h">
<Filter>hw</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="CMakeLists.txt" />

49
src/core/src/arm/arm_interface.h
View file

@ -24,24 +24,65 @@
#pragma once
#include "common.h"
#include "common_types.h"
/// Generic ARM11 CPU interface
class ARM_Interface {
public:
ARM_Interface() {
num_instructions_ = 0;
}
~ARM_Interface() {
}
virtual void ExecuteInstruction() = 0;
virtual void SetPC(u32 pc) = 0;
/// Step CPU by one instruction
void Step() {
ExecuteInstruction();
num_instructions_++;
}
/**
* Set the Program Counter to an address
* @param addr Address to set PC to
*/
virtual void SetPC(u32 addr) = 0;
/*
* Get the current Program Counter
* @return Returns current PC
*/
virtual u32 PC() = 0;
/**
* Get an ARM register
* @param index Register index (0-15)
* @return Returns the value in the register
*/
virtual u32 Reg(int index) = 0;
virtual u32 CPSR() = 0;
/**
* Get the current CPSR register
* @return Returns the value of the CPSR register
*/
virtual u32 CPSR() = 0;
/**
* Returns the number of clock ticks since the last rese
* @return Returns number of clock ticks
*/
virtual u64 GetTicks() = 0;
/// Getter for num_instructions_
u64 num_instructions() { return num_instructions_; }
private:
/// Execture next instruction
virtual void ExecuteInstruction() = 0;
u64 num_instructions_; ///< Number of instructions executed
DISALLOW_COPY_AND_ASSIGN(ARM_Interface);
};

44
src/core/src/arm/interpreter/arm_interpreter.cpp
View file

@ -1,26 +1,26 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file arm_interpreter.h
* @author bunnei
* @date 2014-04-04
* @brief ARM interface instance for SkyEye interprerer
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
* Copyright (C) 2013 Citrus Emulator
*
* @file arm_interpreter.h
* @author bunnei
* @date 2014-04-04
* @brief ARM interface instance for SkyEye interprerer
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "arm_interpreter.h"

7
src/core/src/arm/interpreter/arm_interpreter.h
View file

@ -24,6 +24,7 @@
#pragma once
#include "common.h"
#include "common_types.h"
#include "arm/arm_interface.h"
@ -45,6 +46,12 @@ public:
u32 CPSR();
u64 GetTicks() {
return ARMul_Time(state);
}
private:
ARMul_State* state;
DISALLOW_COPY_AND_ASSIGN(ARM_Interpreter);
};

6
src/core/src/core.cpp
View file

@ -25,6 +25,7 @@
#include "log.h"
#include "core.h"
#include "mem_map.h"
#include "hw/hw.h"
#include "arm/disassembler/arm_disasm.h"
#include "arm/interpreter/arm_interpreter.h"
@ -41,7 +42,8 @@ void RunLoop() {
/// Step the CPU one instruction
void SingleStep() {
g_app_core->ExecuteInstruction();
g_app_core->Step();
HW::Update();
}
/// Halt the core
@ -69,6 +71,8 @@ void Shutdown() {
delete g_disasm;
delete g_app_core;
delete g_sys_core;
NOTICE_LOG(MASTER_LOG, "Core shutdown OK");
}
} // namespace

3
src/core/src/core.h
View file

@ -55,6 +55,9 @@ void Stop();
/// Initialize the core
int Init();
/// Shutdown the core
void Shutdown();
} // namespace
////////////////////////////////////////////////////////////////////////////////////////////////////

69
src/core/src/hw/hw.cpp Normal file
View file

@ -0,0 +1,69 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw.cpp
* @author bunnei
* @date 2014-04-04
* @brief Hardware interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "log.h"
#include "hw/hw.h"
#include "hw/hw_lcd.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr) {
NOTICE_LOG(HW, "Hardware read from address %08X", addr);
}
template <typename T>
inline void Write(u32 addr, const T data) {
NOTICE_LOG(HW, "Hardware 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<const u64>(u32 addr, const u64 data);
template void Write<const u32>(u32 addr, const u32 data);
template void Write<const u16>(u32 addr, const u16 data);
template void Write<const u8>(u32 addr, const u8 data);
/// Update hardware
void Update() {
LCD::Update();
}
/// Initialize hardware
void Init() {
LCD::Init();
NOTICE_LOG(HW, "Hardware initialized OK");
}
/// Shutdown hardware
void Shutdown() {
NOTICE_LOG(HW, "Hardware shutdown OK");
}
}

44
src/core/src/hw/hw.h Normal file
View file

@ -0,0 +1,44 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw.h
* @author bunnei
* @date 2014-04-04
* @brief Hardware interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "common_types.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr);
template <typename T>
inline void Write(u32 addr, const T data);
/// Update hardware
void Update();
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace

65
src/core/src/hw/hw_lcd.cpp Normal file
View file

@ -0,0 +1,65 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw_lcd.cpp
* @author bunnei
* @date 2014-04-05
* @brief Hardware LCD interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "log.h"
#include "core.h"
#include "hw_lcd.h"
#include "video_core.h"
namespace LCD {
static const u32 kFrameTicks = 268123480 / 60; ///< 268MHz / 60 frames per second
u64 g_last_ticks = 0; ///< Last CPU ticks
template <typename T>
inline void Read(T &var, const u32 addr) {
}
template <typename T>
inline void Write(u32 addr, const T data) {
}
/// Update hardware
void Update() {
u64 current_ticks = Core::g_app_core->GetTicks();
if ((current_ticks - g_last_ticks) >= kFrameTicks) {
g_last_ticks = current_ticks;
VideoCore::g_renderer->SwapBuffers();
}
}
/// Initialize hardware
void Init() {
g_last_ticks = Core::g_app_core->GetTicks();
NOTICE_LOG(LCD, "LCD initialized OK");
}
/// Shutdown hardware
void Shutdown() {
NOTICE_LOG(LCD, "LCD shutdown OK");
}
} // namespace

64
src/core/src/hw/hw_lcd.h Normal file
View file

@ -0,0 +1,64 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw_lcd.h
* @author bunnei
* @date 2014-04-05
* @brief Hardware LCD interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common_types.h"
namespace LCD {
enum {
TOP_ASPECT_X = 0x5,
TOP_ASPECT_Y = 0x3,
TOP_HEIGHT = 240,
TOP_WIDTH = 400,
BOTTOM_WIDTH = 320,
FRAMEBUFFER_SEL = 0x20184E59,
TOP_LEFT_FRAME1 = 0x20184E60,
TOP_LEFT_FRAME2 = 0x201CB370,
TOP_RIGHT_FRAME1 = 0x20282160,
TOP_RIGHT_FRAME2 = 0x202C8670,
SUB_FRAME1 = 0x202118E0,
SUB_FRAME2 = 0x20249CF0,
};
template <typename T>
inline void Read(T &var, const u32 addr);
template <typename T>
inline void Write(u32 addr, const T data);
/// Update hardware
void Update();
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace

54
src/core/src/mem_map_funcs.cpp
View file

@ -25,17 +25,23 @@
#include "common.h"
#include "mem_map.h"
#include "hw/hw.h"
namespace Memory {
template <typename T>
inline void ReadFromHardware(T &var, const u32 addr) {
inline void _Read(T &var, const u32 addr) {
// TODO: Figure out the fastest order of tests for both read and write (they are probably different).
// TODO: Make sure this represents the mirrors in a correct way.
// Could just do a base-relative read, too.... TODO
if ((addr & 0x3E000000) == 0x08000000) {
// Hardware I/O register reads
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
if ((addr & 0xFF000000) == 0x10000000 || (addr & 0xFF000000) == 0x1E000000) {
HW::Read<T>(var, addr);
// FCRAM virtual address reads
} else if ((addr & 0x3E000000) == 0x08000000) {
var = *((const T*)&g_fcram[addr & MEM_FCRAM_MASK]);
// Scratchpad memory
@ -54,15 +60,20 @@ inline void ReadFromHardware(T &var, const u32 addr) {
var = *((const T*)&g_fcram[addr & MEM_FCRAM_MASK]);
} else {
_assert_msg_(MEMMAP, false, "unknown hardware read");
// WARN_LOG(MEMMAP, "ReadFromHardware: Invalid addr %08x PC %08x LR %08x", addr, currentMIPS->pc, currentMIPS->r[MIPS_REG_RA]);
_assert_msg_(MEMMAP, false, "unknown memory read");
}
}
template <typename T>
inline void WriteToHardware(u32 addr, const T data) {
inline void _Write(u32 addr, const T data) {
// Hardware I/O register writes
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
if ((addr & 0xFF000000) == 0x10000000 || (addr & 0xFF000000) == 0x1E000000) {
HW::Write<const T>(addr, data);
// ExeFS:/.code is loaded here:
if ((addr & 0xFFF00000) == 0x00100000) {
} else if ((addr & 0xFFF00000) == 0x00100000) {
// TODO(ShizZy): This is dumb... handle correctly. From 3DBrew:
// http://3dbrew.org/wiki/Memory_layout#ARM11_User-land_memory_regions
// The ExeFS:/.code is loaded here, executables must be loaded to the 0x00100000 region when
@ -104,7 +115,7 @@ inline void WriteToHardware(u32 addr, const T data) {
// Error out...
} else {
_assert_msg_(MEMMAP, false, "unknown hardware write");
_assert_msg_(MEMMAP, false, "unknown memory write");
}
}
@ -126,14 +137,21 @@ u8 *GetPointer(const u32 addr) {
// TODO(bunnei): Just a stub for now... ImplementMe!
if ((addr & 0x3E000000) == 0x08000000) {
return g_fcram + (addr & MEM_FCRAM_MASK);
}
// HACK(bunnei): There is no layer yet to translate virtual addresses to physical addresses.
// Until we progress far enough along, we'll accept all physical address reads here. I think
// that this is typically a corner-case from usermode software unless they are trying to do
// bare-metal things (e.g. early 3DS homebrew writes directly to the FB @ 0x20184E60, etc.
} else if (((addr & 0xF0000000) == MEM_FCRAM_PADDR) && (addr < (MEM_FCRAM_PADDR_END))) {
return g_fcram + (addr & MEM_FCRAM_MASK);
//else if ((addr & 0x3F800000) == 0x04000000) {
// return g_vram + (addr & MEM_VRAM_MASK);
//}
//else if ((addr & 0x3F000000) >= 0x08000000 && (addr & 0x3F000000) < 0x08000000 + g_MemorySize) {
// return m_pRAM + (addr & g_MemoryMask);
//}
else {
} else {
//ERROR_LOG(MEMMAP, "Unknown GetPointer %08x PC %08x LR %08x", addr, currentMIPS->pc, currentMIPS->r[MIPS_REG_RA]);
ERROR_LOG(MEMMAP, "Unknown GetPointer %08x", addr);
static bool reported = false;
@ -151,25 +169,25 @@ u8 *GetPointer(const u32 addr) {
u8 Read8(const u32 addr) {
u8 _var = 0;
ReadFromHardware<u8>(_var, addr);
_Read<u8>(_var, addr);
return (u8)_var;
}
u16 Read16(const u32 addr) {
u16_le _var = 0;
ReadFromHardware<u16_le>(_var, addr);
_Read<u16_le>(_var, addr);
return (u16)_var;
}
u32 Read32(const u32 addr) {
u32_le _var = 0;
ReadFromHardware<u32_le>(_var, addr);
_Read<u32_le>(_var, addr);
return _var;
}
u64 Read64(const u32 addr) {
u64_le _var = 0;
ReadFromHardware<u64_le>(_var, addr);
_Read<u64_le>(_var, addr);
return _var;
}
@ -182,19 +200,19 @@ u32 Read16_ZX(const u32 addr) {
}
void Write8(const u32 addr, const u8 data) {
WriteToHardware<u8>(addr, data);
_Write<u8>(addr, data);
}
void Write16(const u32 addr, const u16 data) {
WriteToHardware<u16_le>(addr, data);
_Write<u16_le>(addr, data);
}
void Write32(const u32 addr, const u32 data) {
WriteToHardware<u32_le>(addr, data);
_Write<u32_le>(addr, data);
}
void Write64(const u32 addr, const u64 data) {
WriteToHardware<u64_le>(addr, data);
_Write<u64_le>(addr, data);
}
} // namespace

9
src/core/src/system.cpp
View file

@ -23,9 +23,11 @@
*/
#include "core.h"
#include "hw/hw.h"
#include "core_timing.h"
#include "mem_map.h"
#include "system.h"
#include "video_core.h"
namespace System {
@ -38,7 +40,9 @@ void UpdateState(State state) {
void Init(EmuWindow* emu_window) {
Core::Init();
Memory::Init();
HW::Init();
CoreTiming::Init();
VideoCore::Init(emu_window);
}
void RunLoopFor(int cycles) {
@ -49,9 +53,10 @@ void RunLoopUntil(u64 global_cycles) {
}
void Shutdown() {
Core::Shutdown();
HW::Shutdown();
VideoCore::Shutdown();
g_ctr_file_system.Shutdown();
}
} // namespace