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Merge pull request #762 from yuriks/memmap

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Memory: Use a table based lookup scheme to read from memory regions
This commit is contained in:
Yuri Kunde Schlesner 2015-05-14 20:40:53 -07:00
commit bb68933894
38 changed files with 572 additions and 589 deletions
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2
src/citra_qt/debugger/callstack.cpp
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@ -8,7 +8,7 @@
#include "core/core.h"
#include "core/arm/arm_interface.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "common/symbols.h"
#include "core/arm/disassembler/arm_disasm.h"

2
src/citra_qt/debugger/disassembler.cpp
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@ -7,7 +7,7 @@
#include "../bootmanager.h"
#include "../hotkeys.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/core.h"
#include "common/break_points.h"

2
src/citra_qt/debugger/graphics_framebuffer.cpp
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@ -10,6 +10,8 @@
#include <QSpinBox>
#include "core/hw/gpu.h"
#include "core/memory.h"
#include "video_core/color.h"
#include "video_core/pica.h"
#include "video_core/utils.h"

2
src/citra_qt/debugger/ramview.cpp
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@ -4,8 +4,6 @@
#include "ramview.h"
#include "core/mem_map.h"
GRamView::GRamView(QWidget* parent) : QHexEdit(parent)
{

4
src/core/CMakeLists.txt
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@ -99,7 +99,7 @@ set(SRCS
loader/loader.cpp
loader/ncch.cpp
mem_map.cpp
mem_map_funcs.cpp
memory.cpp
settings.cpp
system.cpp
)
@ -211,6 +211,8 @@ set(HEADERS
loader/loader.h
loader/ncch.h
mem_map.h
memory.h
memory_setup.h
settings.h
system.h
)

2
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -10,7 +10,7 @@
#include "common/logging/log.h"
#include "common/profiler.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/svc.h"
#include "core/arm/disassembler/arm_disasm.h"
#include "core/arm/dyncom/arm_dyncom_interpreter.h"

1
src/core/arm/interpreter/arminit.cpp
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@ -16,7 +16,6 @@
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <cstring>
#include "core/mem_map.h"
#include "core/arm/skyeye_common/armdefs.h"
#include "core/arm/skyeye_common/armemu.h"
#include "core/arm/skyeye_common/vfp/vfp.h"

2
src/core/arm/skyeye_common/armmmu.h
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@ -22,7 +22,7 @@
#include "common/swap.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/arm/skyeye_common/armdefs.h"
// Register numbers in the MMU

1
src/core/core.cpp
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@ -8,7 +8,6 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/mem_map.h"
#include "core/settings.h"
#include "core/arm/arm_interface.h"
#include "core/arm/disassembler/arm_disasm.h"

2
src/core/file_sys/archive_backend.cpp
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@ -8,7 +8,7 @@
#include "common/string_util.h"
#include "core/file_sys/archive_backend.h"
#include "core/mem_map.h"
#include "core/memory.h"
namespace FileSys {

49
src/core/hle/config_mem.cpp
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@ -9,59 +9,14 @@
#include "common/common_funcs.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/config_mem.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace ConfigMem {
struct ConfigMemDef {
u8 kernel_unk; // 0
u8 kernel_version_rev; // 1
u8 kernel_version_min; // 2
u8 kernel_version_maj; // 3
u32 update_flag; // 4
u64 ns_tid; // 8
u32 sys_core_ver; // 10
u8 unit_info; // 14
u8 boot_firm; // 15
u8 prev_firm; // 16
INSERT_PADDING_BYTES(0x1); // 17
u32 ctr_sdk_ver; // 18
INSERT_PADDING_BYTES(0x30 - 0x1C); // 1C
u32 app_mem_type; // 30
INSERT_PADDING_BYTES(0x40 - 0x34); // 34
u32 app_mem_alloc; // 40
u32 sys_mem_alloc; // 44
u32 base_mem_alloc; // 48
INSERT_PADDING_BYTES(0x60 - 0x4C); // 4C
u8 firm_unk; // 60
u8 firm_version_rev; // 61
u8 firm_version_min; // 62
u8 firm_version_maj; // 63
u32 firm_sys_core_ver; // 64
u32 firm_ctr_sdk_ver; // 68
INSERT_PADDING_BYTES(0x1000 - 0x6C); // 6C
};
static_assert(sizeof(ConfigMemDef) == Memory::CONFIG_MEMORY_SIZE, "Config Memory structure size is wrong");
static ConfigMemDef config_mem;
template <typename T>
inline void Read(T &var, const u32 addr) {
u32 offset = addr - Memory::CONFIG_MEMORY_VADDR;
ASSERT(offset < Memory::CONFIG_MEMORY_SIZE);
var = *(reinterpret_cast<T*>(((uintptr_t)&config_mem) + offset));
}
// 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);
ConfigMemDef config_mem;
void Init() {
std::memset(&config_mem, 0, sizeof(config_mem));

38
src/core/hle/config_mem.h
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@ -9,17 +9,49 @@
// bootrom. Because we're not emulating this, and essentially just "stubbing" the functionality, I'm
// putting this as a subset of HLE for now.
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/memory.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace ConfigMem {
template <typename T>
void Read(T &var, const u32 addr);
struct ConfigMemDef {
u8 kernel_unk; // 0
u8 kernel_version_rev; // 1
u8 kernel_version_min; // 2
u8 kernel_version_maj; // 3
u32_le update_flag; // 4
u64_le ns_tid; // 8
u32_le sys_core_ver; // 10
u8 unit_info; // 14
u8 boot_firm; // 15
u8 prev_firm; // 16
INSERT_PADDING_BYTES(0x1); // 17
u32_le ctr_sdk_ver; // 18
INSERT_PADDING_BYTES(0x30 - 0x1C); // 1C
u32_le app_mem_type; // 30
INSERT_PADDING_BYTES(0x40 - 0x34); // 34
u32_le app_mem_alloc; // 40
u32_le sys_mem_alloc; // 44
u32_le base_mem_alloc; // 48
INSERT_PADDING_BYTES(0x60 - 0x4C); // 4C
u8 firm_unk; // 60
u8 firm_version_rev; // 61
u8 firm_version_min; // 62
u8 firm_version_maj; // 63
u32_le firm_sys_core_ver; // 64
u32_le firm_ctr_sdk_ver; // 68
INSERT_PADDING_BYTES(0x1000 - 0x6C); // 6C
};
static_assert(sizeof(ConfigMemDef) == Memory::CONFIG_MEMORY_SIZE, "Config Memory structure size is wrong");
extern ConfigMemDef config_mem;
void Init();
void Shutdown();
} // namespace

6
src/core/hle/function_wrappers.h
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@ -7,7 +7,7 @@
#include "common/common_types.h"
#include "core/arm/arm_interface.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/hle.h"
namespace HLE {
@ -109,7 +109,7 @@ template<ResultCode func(s64*, u32, void*, s32)> void Wrap(){
template<ResultCode func(u32*, const char*)> void Wrap() {
u32 param_1 = 0;
u32 retval = func(&param_1, Memory::GetCharPointer(PARAM(1))).raw;
u32 retval = func(&param_1, (char*)Memory::GetPointer(PARAM(1))).raw;
Core::g_app_core->SetReg(1, param_1);
FuncReturn(retval);
}
@ -163,7 +163,7 @@ template<void func(s64)> void Wrap() {
}
template<void func(const char*)> void Wrap() {
func(Memory::GetCharPointer(PARAM(0)));
func((char*)Memory::GetPointer(PARAM(0)));
}
#undef PARAM

2
src/core/hle/kernel/address_arbiter.cpp
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@ -5,7 +5,7 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/address_arbiter.h"

2
src/core/hle/kernel/process.cpp
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@ -8,7 +8,7 @@
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/thread.h"
#include "core/mem_map.h"
#include "core/memory.h"
namespace Kernel {

2
src/core/hle/kernel/session.h
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@ -6,7 +6,7 @@
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
#include "core/mem_map.h"
#include "core/memory.h"
namespace Kernel {

2
src/core/hle/kernel/shared_memory.cpp
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@ -6,7 +6,7 @@
#include "common/logging/log.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/kernel/shared_memory.h"
namespace Kernel {

2
src/core/hle/kernel/thread.cpp
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@ -21,7 +21,7 @@
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/result.h"
#include "core/mem_map.h"
#include "core/memory.h"
namespace Kernel {

1
src/core/hle/kernel/thread.h
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@ -12,7 +12,6 @@
#include "common/common_types.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"

1
src/core/hle/service/gsp_gpu.cpp
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@ -5,6 +5,7 @@
#include "common/bit_field.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/result.h"

59
src/core/hle/shared_page.cpp
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@ -8,7 +8,7 @@
#include "common/common_funcs.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/hle/config_mem.h"
#include "core/hle/shared_page.h"
@ -16,63 +16,12 @@
namespace SharedPage {
// see http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
#pragma pack(1)
struct DateTime {
u64 date_time; // 0x0
u64 update_tick; // 0x8
INSERT_PADDING_BYTES(0x20 - 0x10); // 0x10
};
struct SharedPageDef {
// most of these names are taken from the 3dbrew page linked above.
u32 date_time_selector; // 0x0
u8 running_hw; // 0x4
u8 mcu_hw_info; // 0x5: don't know what the acronyms mean
INSERT_PADDING_BYTES(0x20 - 0x6); // 0x6
DateTime date_time_0; // 0x20
DateTime date_time_1; // 0x40
u8 wifi_macaddr[6]; // 0x60
u8 wifi_unknown1; // 0x66: 3dbrew says these are "Likely wifi hardware related"
u8 wifi_unknown2; // 0x67
INSERT_PADDING_BYTES(0x80 - 0x68); // 0x68
float sliderstate_3d; // 0x80
u8 ledstate_3d; // 0x84
INSERT_PADDING_BYTES(0xA0 - 0x85); // 0x85
u64 menu_title_id; // 0xA0
u64 active_menu_title_id; // 0xA8
INSERT_PADDING_BYTES(0x1000 - 0xB0); // 0xB0
};
#pragma pack()
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
static SharedPageDef shared_page;
template <typename T>
inline void Read(T &var, const u32 addr) {
u32 offset = addr - Memory::SHARED_PAGE_VADDR;
var = *(reinterpret_cast<T*>(((uintptr_t)&shared_page) + offset));
}
// 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);
void Set3DSlider(float amount) {
std::memset(&shared_page, 0, sizeof(shared_page));
shared_page.sliderstate_3d = amount;
shared_page.ledstate_3d = (amount == 0.0f); // off when non-zero
}
SharedPageDef shared_page;
void Init() {
std::memset(&shared_page, 0, sizeof(shared_page));
shared_page.running_hw = 0x1; // product
Set3DSlider(0.0f);
}
void Shutdown() {

36
src/core/hle/shared_page.h
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@ -11,18 +11,46 @@
*/
#include "common/common_types.h"
#include "common/swap.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace SharedPage {
template <typename T>
void Read(T &var, const u32 addr);
// See http://3dbrew.org/wiki/Configuration_Memory#Shared_Memory_Page_For_ARM11_Processes
void Set3DSlider(float amount);
struct DateTime {
u64_le date_time; // 0
u64_le update_tick; // 8
INSERT_PADDING_BYTES(0x20 - 0x10); // 10
};
static_assert(sizeof(DateTime) == 0x20, "Datetime size is wrong");
struct SharedPageDef {
// Most of these names are taken from the 3dbrew page linked above.
u32_le date_time_selector; // 0
u8 running_hw; // 4
/// "Microcontroller hardware info"
u8 mcu_hw_info; // 5
INSERT_PADDING_BYTES(0x20 - 0x6); // 6
DateTime date_time_0; // 20
DateTime date_time_1; // 40
u8 wifi_macaddr[6]; // 60
u8 wifi_unknown1; // 66
u8 wifi_unknown2; // 67
INSERT_PADDING_BYTES(0x80 - 0x68); // 68
float_le sliderstate_3d; // 80
u8 ledstate_3d; // 84
INSERT_PADDING_BYTES(0xA0 - 0x85); // 85
u64_le menu_title_id; // A0
u64_le active_menu_title_id; // A8
INSERT_PADDING_BYTES(0x1000 - 0xB0); // B0
};
static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page structure size is wrong");
extern SharedPageDef shared_page;
void Init();
void Shutdown();
} // namespace

2
src/core/hle/svc.cpp
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@ -315,7 +315,7 @@ static ResultCode GetResourceLimitCurrentValues(s64* values, Handle resource_lim
s32 name_count) {
LOG_ERROR(Kernel_SVC, "(UNIMPLEMENTED) called resource_limit=%08X, names=%p, name_count=%d",
resource_limit, names, name_count);
Memory::Write32(Core::g_app_core->GetReg(0), 0); // Normmatt: Set used memory to 0 for now
values[0] = 0; // Normmatt: Set used memory to 0 for now
return RESULT_SUCCESS;
}

2
src/core/hw/gpu.cpp
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@ -8,7 +8,7 @@
#include "core/settings.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/core_timing.h"
#include "core/hle/hle.h"

2
src/core/loader/3dsx.cpp
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@ -12,7 +12,7 @@
#include "core/hle/service/fs/archive.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "3dsx.h"

2
src/core/loader/elf.cpp
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@ -12,7 +12,7 @@
#include "core/hle/kernel/kernel.h"
#include "core/loader/elf.h"
#include "core/mem_map.h"
#include "core/memory.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// ELF Header Constants

1
src/core/loader/loader.cpp
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@ -13,7 +13,6 @@
#include "core/loader/3dsx.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////

2
src/core/loader/ncch.cpp
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@ -12,7 +12,7 @@
#include "core/hle/kernel/kernel.h"
#include "core/loader/ncch.h"
#include "core/mem_map.h"
#include "core/memory.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace

122
src/core/mem_map.cpp
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@ -2,10 +2,16 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <map>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/hle/config_mem.h"
#include "core/hle/shared_page.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/memory_setup.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -23,33 +29,129 @@ namespace {
struct MemoryArea {
u8** ptr;
size_t size;
u32 base;
u32 size;
};
// We don't declare the IO regions in here since its handled by other means.
static MemoryArea memory_areas[] = {
{&g_exefs_code, PROCESS_IMAGE_MAX_SIZE},
{&g_heap, HEAP_SIZE },
{&g_shared_mem, SHARED_MEMORY_SIZE },
{&g_heap_linear, LINEAR_HEAP_SIZE },
{&g_vram, VRAM_SIZE },
{&g_dsp_mem, DSP_RAM_SIZE },
{&g_tls_mem, TLS_AREA_SIZE },
{&g_exefs_code, PROCESS_IMAGE_VADDR, PROCESS_IMAGE_MAX_SIZE},
{&g_heap, HEAP_VADDR, HEAP_SIZE },
{&g_shared_mem, SHARED_MEMORY_VADDR, SHARED_MEMORY_SIZE },
{&g_heap_linear, LINEAR_HEAP_VADDR, LINEAR_HEAP_SIZE },
{&g_vram, VRAM_VADDR, VRAM_SIZE },
{&g_dsp_mem, DSP_RAM_VADDR, DSP_RAM_SIZE },
{&g_tls_mem, TLS_AREA_VADDR, TLS_AREA_SIZE },
};
/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock
struct MemoryBlock {
MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) {
}
u32 handle;
u32 base_address;
u32 address;
u32 size;
u32 operation;
u32 permissions;
const u32 GetVirtualAddress() const{
return base_address + address;
}
};
static std::map<u32, MemoryBlock> heap_map;
static std::map<u32, MemoryBlock> heap_linear_map;
}
u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
block.base_address = HEAP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;
if (heap_map.size() > 0) {
const MemoryBlock last_block = heap_map.rbegin()->second;
block.address = last_block.address + last_block.size;
}
heap_map[block.GetVirtualAddress()] = block;
return block.GetVirtualAddress();
}
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
block.base_address = LINEAR_HEAP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;
if (heap_linear_map.size() > 0) {
const MemoryBlock last_block = heap_linear_map.rbegin()->second;
block.address = last_block.address + last_block.size;
}
heap_linear_map[block.GetVirtualAddress()] = block;
return block.GetVirtualAddress();
}
PAddr VirtualToPhysicalAddress(const VAddr addr) {
if (addr == 0) {
return 0;
} else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) {
return addr - VRAM_VADDR + VRAM_PADDR;
} else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR;
} else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) {
return addr - DSP_RAM_VADDR + DSP_RAM_PADDR;
} else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) {
return addr - IO_AREA_VADDR + IO_AREA_PADDR;
}
LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
VAddr PhysicalToVirtualAddress(const PAddr addr) {
if (addr == 0) {
return 0;
} else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
return addr - VRAM_PADDR + VRAM_VADDR;
} else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
return addr - FCRAM_PADDR + LINEAR_HEAP_VADDR;
} else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
} else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {
return addr - IO_AREA_PADDR + IO_AREA_VADDR;
}
LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
void Init() {
InitMemoryMap();
for (MemoryArea& area : memory_areas) {
*area.ptr = new u8[area.size];
MapMemoryRegion(area.base, area.size, *area.ptr);
}
MemBlock_Init();
MapMemoryRegion(CONFIG_MEMORY_VADDR, CONFIG_MEMORY_SIZE, (u8*)&ConfigMem::config_mem);
MapMemoryRegion(SHARED_PAGE_VADDR, SHARED_PAGE_SIZE, (u8*)&SharedPage::shared_page);
LOG_DEBUG(HW_Memory, "initialized OK, RAM at %p", g_heap);
}
void Shutdown() {
MemBlock_Shutdown();
heap_map.clear();
heap_linear_map.clear();
for (MemoryArea& area : memory_areas) {
delete[] *area.ptr;
*area.ptr = nullptr;

157
src/core/mem_map.h
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@ -8,121 +8,6 @@
namespace Memory {
////////////////////////////////////////////////////////////////////////////////////////////////////
const u32 PAGE_SIZE = 0x1000;
/// Physical memory regions as seen from the ARM11
enum : PAddr {
/// IO register area
IO_AREA_PADDR = 0x10100000,
IO_AREA_SIZE = 0x01000000, ///< IO area size (16MB)
IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE,
/// MPCore internal memory region
MPCORE_RAM_PADDR = 0x17E00000,
MPCORE_RAM_SIZE = 0x00002000, ///< MPCore internal memory size (8KB)
MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE,
/// Video memory
VRAM_PADDR = 0x18000000,
VRAM_SIZE = 0x00600000, ///< VRAM size (6MB)
VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE,
/// DSP memory
DSP_RAM_PADDR = 0x1FF00000,
DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB)
DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE,
/// AXI WRAM
AXI_WRAM_PADDR = 0x1FF80000,
AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size (512KB)
AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE,
/// Main FCRAM
FCRAM_PADDR = 0x20000000,
FCRAM_SIZE = 0x08000000, ///< FCRAM size (128MB)
FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE,
};
/// Virtual user-space memory regions
enum : VAddr {
/// Where the application text, data and bss reside.
PROCESS_IMAGE_VADDR = 0x00100000,
PROCESS_IMAGE_MAX_SIZE = 0x03F00000,
PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE,
/// Area where IPC buffers are mapped onto.
IPC_MAPPING_VADDR = 0x04000000,
IPC_MAPPING_SIZE = 0x04000000,
IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
/// Application heap (includes stack).
HEAP_VADDR = 0x08000000,
HEAP_SIZE = 0x08000000,
HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
/// Area where shared memory buffers are mapped onto.
SHARED_MEMORY_VADDR = 0x10000000,
SHARED_MEMORY_SIZE = 0x04000000,
SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE,
/// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical memory.
LINEAR_HEAP_VADDR = 0x14000000,
LINEAR_HEAP_SIZE = 0x08000000,
LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE,
/// Maps 1:1 to the IO register area.
IO_AREA_VADDR = 0x1EC00000,
IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE,
/// Maps 1:1 to VRAM.
VRAM_VADDR = 0x1F000000,
VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE,
/// Maps 1:1 to DSP memory.
DSP_RAM_VADDR = 0x1FF00000,
DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE,
/// Read-only page containing kernel and system configuration values.
CONFIG_MEMORY_VADDR = 0x1FF80000,
CONFIG_MEMORY_SIZE = 0x00001000,
CONFIG_MEMORY_VADDR_END = CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE,
/// Usually read-only page containing mostly values read from hardware.
SHARED_PAGE_VADDR = 0x1FF81000,
SHARED_PAGE_SIZE = 0x00001000,
SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
// TODO(yuriks): The size of this area is dynamic, the kernel grows
// it as more and more threads are created. For now we'll just use a
// hardcoded value.
/// Area where TLS (Thread-Local Storage) buffers are allocated.
TLS_AREA_VADDR = 0x1FF82000,
TLS_AREA_SIZE = 0x00030000, // Each TLS buffer is 0x200 bytes, allows for 300 threads
TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
};
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a block of memory mapped by ControlMemory/MapMemoryBlock
struct MemoryBlock {
MemoryBlock() : handle(0), base_address(0), address(0), size(0), operation(0), permissions(0) {
}
u32 handle;
u32 base_address;
u32 address;
u32 size;
u32 operation;
u32 permissions;
const u32 GetVirtualAddress() const{
return base_address + address;
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
extern u8* g_exefs_code; ///< ExeFS:/.code is loaded here
extern u8* g_heap; ///< Application heap (main memory)
extern u8* g_shared_mem; ///< Shared memory
@ -134,29 +19,6 @@ extern u8* g_tls_mem; ///< TLS memory
void Init();
void Shutdown();
template <typename T>
inline void Read(T &var, VAddr addr);
template <typename T>
inline void Write(VAddr addr, T data);
u8 Read8(VAddr addr);
u16 Read16(VAddr addr);
u32 Read32(VAddr addr);
u64 Read64(VAddr addr);
u32 Read8_ZX(VAddr addr);
u32 Read16_ZX(VAddr addr);
void Write8(VAddr addr, u8 data);
void Write16(VAddr addr, u16 data);
void Write32(VAddr addr, u32 data);
void Write64(VAddr addr, u64 data);
void WriteBlock(VAddr addr, const u8* data, size_t size);
u8* GetPointer(VAddr virtual_address);
/**
* Maps a block of memory on the heap
* @param size Size of block in bytes
@ -173,16 +35,6 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);
*/
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);
/// Initialize mapped memory blocks
void MemBlock_Init();
/// Shutdown mapped memory blocks
void MemBlock_Shutdown();
inline const char* GetCharPointer(const VAddr address) {
return (const char *)GetPointer(address);
}
/**
* Converts a virtual address inside a region with 1:1 mapping to physical memory to a physical
* address. This should be used by services to translate addresses for use by the hardware.
@ -194,13 +46,4 @@ PAddr VirtualToPhysicalAddress(VAddr addr);
*/
VAddr PhysicalToVirtualAddress(PAddr addr);
/**
* Gets a pointer to the memory region beginning at the specified physical address.
*
* @note This is currently implemented using PhysicalToVirtualAddress().
*/
inline u8* GetPhysicalPointer(PAddr address) {
return GetPointer(PhysicalToVirtualAddress(address));
}
} // namespace

283
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@ -1,283 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <map>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "core/mem_map.h"
#include "core/hw/hw.h"
#include "hle/config_mem.h"
#include "hle/shared_page.h"
namespace Memory {
static std::map<u32, MemoryBlock> heap_map;
static std::map<u32, MemoryBlock> heap_linear_map;
PAddr VirtualToPhysicalAddress(const VAddr addr) {
if (addr == 0) {
return 0;
} else if (addr >= VRAM_VADDR && addr < VRAM_VADDR_END) {
return addr - VRAM_VADDR + VRAM_PADDR;
} else if (addr >= LINEAR_HEAP_VADDR && addr < LINEAR_HEAP_VADDR_END) {
return addr - LINEAR_HEAP_VADDR + FCRAM_PADDR;
} else if (addr >= DSP_RAM_VADDR && addr < DSP_RAM_VADDR_END) {
return addr - DSP_RAM_VADDR + DSP_RAM_PADDR;
} else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) {
return addr - IO_AREA_VADDR + IO_AREA_PADDR;
}
LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
VAddr PhysicalToVirtualAddress(const PAddr addr) {
if (addr == 0) {
return 0;
} else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
return addr - VRAM_PADDR + VRAM_VADDR;
} else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
return addr - FCRAM_PADDR + LINEAR_HEAP_VADDR;
} else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
} else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {
return addr - IO_AREA_PADDR + IO_AREA_VADDR;
}
LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
template <typename T>
inline void Read(T &var, const VAddr vaddr) {
// 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
// Kernel memory command buffer
if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
var = *((const T*)&g_tls_mem[vaddr - TLS_AREA_VADDR]);
// ExeFS:/.code is loaded here
} else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
var = *((const T*)&g_exefs_code[vaddr - PROCESS_IMAGE_VADDR]);
// FCRAM - linear heap
} else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
var = *((const T*)&g_heap_linear[vaddr - LINEAR_HEAP_VADDR]);
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
var = *((const T*)&g_heap[vaddr - HEAP_VADDR]);
// Shared memory
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
var = *((const T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR]);
// Config memory
} else if ((vaddr >= CONFIG_MEMORY_VADDR) && (vaddr < CONFIG_MEMORY_VADDR_END)) {
ConfigMem::Read<T>(var, vaddr);
// Shared page
} else if ((vaddr >= SHARED_PAGE_VADDR) && (vaddr < SHARED_PAGE_VADDR_END)) {
SharedPage::Read<T>(var, vaddr);
// DSP memory
} else if ((vaddr >= DSP_RAM_VADDR) && (vaddr < DSP_RAM_VADDR_END)) {
var = *((const T*)&g_dsp_mem[vaddr - DSP_RAM_VADDR]);
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
var = *((const T*)&g_vram[vaddr - VRAM_VADDR]);
} else {
LOG_ERROR(HW_Memory, "unknown Read%lu @ 0x%08X", sizeof(var) * 8, vaddr);
}
}
template <typename T>
inline void Write(const VAddr vaddr, const T data) {
// Kernel memory command buffer
if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
*(T*)&g_tls_mem[vaddr - TLS_AREA_VADDR] = data;
// ExeFS:/.code is loaded here
} else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
*(T*)&g_exefs_code[vaddr - PROCESS_IMAGE_VADDR] = data;
// FCRAM - linear heap
} else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
*(T*)&g_heap_linear[vaddr - LINEAR_HEAP_VADDR] = data;
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
*(T*)&g_heap[vaddr - HEAP_VADDR] = data;
// Shared memory
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
*(T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR] = data;
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
*(T*)&g_vram[vaddr - VRAM_VADDR] = data;
// DSP memory
} else if ((vaddr >= DSP_RAM_VADDR) && (vaddr < DSP_RAM_VADDR_END)) {
*(T*)&g_dsp_mem[vaddr - DSP_RAM_VADDR] = data;
//} else if ((vaddr & 0xFFFF0000) == 0x1FF80000) {
// ASSERT_MSG(MEMMAP, false, "umimplemented write to Configuration Memory");
//} else if ((vaddr & 0xFFFFF000) == 0x1FF81000) {
// ASSERT_MSG(MEMMAP, false, "umimplemented write to shared page");
// Error out...
} else {
LOG_ERROR(HW_Memory, "unknown Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data, vaddr);
}
}
u8 *GetPointer(const VAddr vaddr) {
// Kernel memory command buffer
if (vaddr >= TLS_AREA_VADDR && vaddr < TLS_AREA_VADDR_END) {
return g_tls_mem + (vaddr - TLS_AREA_VADDR);
// ExeFS:/.code is loaded here
} else if ((vaddr >= PROCESS_IMAGE_VADDR) && (vaddr < PROCESS_IMAGE_VADDR_END)) {
return g_exefs_code + (vaddr - PROCESS_IMAGE_VADDR);
// FCRAM - linear heap
} else if ((vaddr >= LINEAR_HEAP_VADDR) && (vaddr < LINEAR_HEAP_VADDR_END)) {
return g_heap_linear + (vaddr - LINEAR_HEAP_VADDR);
// FCRAM - application heap
} else if ((vaddr >= HEAP_VADDR) && (vaddr < HEAP_VADDR_END)) {
return g_heap + (vaddr - HEAP_VADDR);
// Shared memory
} else if ((vaddr >= SHARED_MEMORY_VADDR) && (vaddr < SHARED_MEMORY_VADDR_END)) {
return g_shared_mem + (vaddr - SHARED_MEMORY_VADDR);
// VRAM
} else if ((vaddr >= VRAM_VADDR) && (vaddr < VRAM_VADDR_END)) {
return g_vram + (vaddr - VRAM_VADDR);
} else {
LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
return 0;
}
}
u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
block.base_address = HEAP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;
if (heap_map.size() > 0) {
const MemoryBlock last_block = heap_map.rbegin()->second;
block.address = last_block.address + last_block.size;
}
heap_map[block.GetVirtualAddress()] = block;
return block.GetVirtualAddress();
}
u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
MemoryBlock block;
block.base_address = LINEAR_HEAP_VADDR;
block.size = size;
block.operation = operation;
block.permissions = permissions;
if (heap_linear_map.size() > 0) {
const MemoryBlock last_block = heap_linear_map.rbegin()->second;
block.address = last_block.address + last_block.size;
}
heap_linear_map[block.GetVirtualAddress()] = block;
return block.GetVirtualAddress();
}
void MemBlock_Init() {
}
void MemBlock_Shutdown() {
heap_map.clear();
heap_linear_map.clear();
}
u8 Read8(const VAddr addr) {
u8 data = 0;
Read<u8>(data, addr);
return data;
}
u16 Read16(const VAddr addr) {
u16_le data = 0;
Read<u16_le>(data, addr);
return (u16)data;
}
u32 Read32(const VAddr addr) {
u32_le data = 0;
Read<u32_le>(data, addr);
return (u32)data;
}
u64 Read64(const VAddr addr) {
u64_le data = 0;
Read<u64_le>(data, addr);
return (u64)data;
}
u32 Read8_ZX(const VAddr addr) {
return (u32)Read8(addr);
}
u32 Read16_ZX(const VAddr addr) {
return (u32)Read16(addr);
}
void Write8(const VAddr addr, const u8 data) {
Write<u8>(addr, data);
}
void Write16(const VAddr addr, const u16 data) {
Write<u16_le>(addr, data);
}
void Write32(const VAddr addr, const u32 data) {
Write<u32_le>(addr, data);
}
void Write64(const VAddr addr, const u64 data) {
Write<u64_le>(addr, data);
}
void WriteBlock(const VAddr addr, const u8* data, const size_t size) {
u32 offset = 0;
while (offset < (size & ~3)) {
Write32(addr + offset, *(u32*)&data[offset]);
offset += 4;
}
if (size & 2) {
Write16(addr + offset, *(u16*)&data[offset]);
offset += 2;
}
if (size & 1)
Write8(addr + offset, data[offset]);
}
} // namespace

202
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@ -0,0 +1,202 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "core/hle/config_mem.h"
#include "core/hle/shared_page.h"
#include "core/hw/hw.h"
#include "core/mem_map.h"
#include "core/memory.h"
namespace Memory {
const u32 PAGE_MASK = PAGE_SIZE - 1;
const int PAGE_BITS = 12;
enum class PageType {
/// Page is unmapped and should cause an access error.
Unmapped,
/// Page is mapped to regular memory. This is the only type you can get pointers to.
Memory,
/// Page is mapped to a I/O region. Writing and reading to this page is handled by functions.
Special,
};
/**
* A (reasonably) fast way of allowing switchable and remmapable process address spaces. It loosely
* mimics the way a real CPU page table works, but instead is optimized for minimal decoding and
* fetching requirements when acessing. In the usual case of an access to regular memory, it only
* requires an indexed fetch and a check for NULL.
*/
struct PageTable {
static const size_t NUM_ENTRIES = 1 << (32 - PAGE_BITS);
/**
* Array of memory pointers backing each page. An entry can only be non-null if the
* corresponding entry in the `attributes` array is of type `Memory`.
*/
std::array<u8*, NUM_ENTRIES> pointers;
/**
* Array of fine grained page attributes. If it is set to any value other than `Memory`, then
* the corresponding entry in `pointer` MUST be set to null.
*/
std::array<PageType, NUM_ENTRIES> attributes;
};
/// Singular page table used for the singleton process
static PageTable main_page_table;
/// Currently active page table
static PageTable* current_page_table = &main_page_table;
static void MapPages(u32 base, u32 size, u8* memory, PageType type) {
LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE, (base + size) * PAGE_SIZE);
u32 end = base + size;
while (base != end) {
ASSERT_MSG(base < PageTable::NUM_ENTRIES, "out of range mapping at %08X", base);
if (current_page_table->attributes[base] != PageType::Unmapped) {
LOG_ERROR(HW_Memory, "overlapping memory ranges at %08X", base * PAGE_SIZE);
}
current_page_table->attributes[base] = type;
current_page_table->pointers[base] = memory;
base += 1;
memory += PAGE_SIZE;
}
}
void InitMemoryMap() {
main_page_table.pointers.fill(nullptr);
main_page_table.attributes.fill(PageType::Unmapped);
}
void MapMemoryRegion(VAddr base, u32 size, u8* target) {
ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
MapPages(base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
}
void MapIoRegion(VAddr base, u32 size) {
ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
MapPages(base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
}
template <typename T>
T Read(const VAddr vaddr) {
const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
return *reinterpret_cast<const T*>(page_pointer + (vaddr & PAGE_MASK));
}
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%08X", sizeof(T) * 8, vaddr);
return 0;
case PageType::Memory:
ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
case PageType::Special:
LOG_ERROR(HW_Memory, "I/O reads aren't implemented yet @ %08X", vaddr);
return 0;
default:
UNREACHABLE();
}
}
template <typename T>
void Write(const VAddr vaddr, const T data) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
*reinterpret_cast<T*>(page_pointer + (vaddr & PAGE_MASK)) = data;
return;
}
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32) data, vaddr);
return;
case PageType::Memory:
ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
case PageType::Special:
LOG_ERROR(HW_Memory, "I/O writes aren't implemented yet @ %08X", vaddr);
return;
default:
UNREACHABLE();
}
}
u8* GetPointer(const VAddr vaddr) {
u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer) {
return page_pointer + (vaddr & PAGE_MASK);
}
LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
return nullptr;
}
u8* GetPhysicalPointer(PAddr address) {
return GetPointer(PhysicalToVirtualAddress(address));
}
u8 Read8(const VAddr addr) {
return Read<u8>(addr);
}
u16 Read16(const VAddr addr) {
return Read<u16_le>(addr);
}
u32 Read32(const VAddr addr) {
return Read<u32_le>(addr);
}
u64 Read64(const VAddr addr) {
return Read<u64_le>(addr);
}
void Write8(const VAddr addr, const u8 data) {
Write<u8>(addr, data);
}
void Write16(const VAddr addr, const u16 data) {
Write<u16_le>(addr, data);
}
void Write32(const VAddr addr, const u32 data) {
Write<u32_le>(addr, data);
}
void Write64(const VAddr addr, const u64 data) {
Write<u64_le>(addr, data);
}
void WriteBlock(const VAddr addr, const u8* data, const size_t size) {
u32 offset = 0;
while (offset < (size & ~3)) {
Write32(addr + offset, *(u32*)&data[offset]);
offset += 4;
}
if (size & 2) {
Write16(addr + offset, *(u16*)&data[offset]);
offset += 2;
}
if (size & 1)
Write8(addr + offset, data[offset]);
}
} // namespace

129
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@ -0,0 +1,129 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
namespace Memory {
/**
* Page size used by the ARM architecture. This is the smallest granularity with which memory can
* be mapped.
*/
const u32 PAGE_SIZE = 0x1000;
/// Physical memory regions as seen from the ARM11
enum : PAddr {
/// IO register area
IO_AREA_PADDR = 0x10100000,
IO_AREA_SIZE = 0x01000000, ///< IO area size (16MB)
IO_AREA_PADDR_END = IO_AREA_PADDR + IO_AREA_SIZE,
/// MPCore internal memory region
MPCORE_RAM_PADDR = 0x17E00000,
MPCORE_RAM_SIZE = 0x00002000, ///< MPCore internal memory size (8KB)
MPCORE_RAM_PADDR_END = MPCORE_RAM_PADDR + MPCORE_RAM_SIZE,
/// Video memory
VRAM_PADDR = 0x18000000,
VRAM_SIZE = 0x00600000, ///< VRAM size (6MB)
VRAM_PADDR_END = VRAM_PADDR + VRAM_SIZE,
/// DSP memory
DSP_RAM_PADDR = 0x1FF00000,
DSP_RAM_SIZE = 0x00080000, ///< DSP memory size (512KB)
DSP_RAM_PADDR_END = DSP_RAM_PADDR + DSP_RAM_SIZE,
/// AXI WRAM
AXI_WRAM_PADDR = 0x1FF80000,
AXI_WRAM_SIZE = 0x00080000, ///< AXI WRAM size (512KB)
AXI_WRAM_PADDR_END = AXI_WRAM_PADDR + AXI_WRAM_SIZE,
/// Main FCRAM
FCRAM_PADDR = 0x20000000,
FCRAM_SIZE = 0x08000000, ///< FCRAM size (128MB)
FCRAM_PADDR_END = FCRAM_PADDR + FCRAM_SIZE,
};
/// Virtual user-space memory regions
enum : VAddr {
/// Where the application text, data and bss reside.
PROCESS_IMAGE_VADDR = 0x00100000,
PROCESS_IMAGE_MAX_SIZE = 0x03F00000,
PROCESS_IMAGE_VADDR_END = PROCESS_IMAGE_VADDR + PROCESS_IMAGE_MAX_SIZE,
/// Area where IPC buffers are mapped onto.
IPC_MAPPING_VADDR = 0x04000000,
IPC_MAPPING_SIZE = 0x04000000,
IPC_MAPPING_VADDR_END = IPC_MAPPING_VADDR + IPC_MAPPING_SIZE,
/// Application heap (includes stack).
HEAP_VADDR = 0x08000000,
HEAP_SIZE = 0x08000000,
HEAP_VADDR_END = HEAP_VADDR + HEAP_SIZE,
/// Area where shared memory buffers are mapped onto.
SHARED_MEMORY_VADDR = 0x10000000,
SHARED_MEMORY_SIZE = 0x04000000,
SHARED_MEMORY_VADDR_END = SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE,
/// Maps 1:1 to an offset in FCRAM. Used for HW allocations that need to be linear in physical memory.
LINEAR_HEAP_VADDR = 0x14000000,
LINEAR_HEAP_SIZE = 0x08000000,
LINEAR_HEAP_VADDR_END = LINEAR_HEAP_VADDR + LINEAR_HEAP_SIZE,
/// Maps 1:1 to the IO register area.
IO_AREA_VADDR = 0x1EC00000,
IO_AREA_VADDR_END = IO_AREA_VADDR + IO_AREA_SIZE,
/// Maps 1:1 to VRAM.
VRAM_VADDR = 0x1F000000,
VRAM_VADDR_END = VRAM_VADDR + VRAM_SIZE,
/// Maps 1:1 to DSP memory.
DSP_RAM_VADDR = 0x1FF00000,
DSP_RAM_VADDR_END = DSP_RAM_VADDR + DSP_RAM_SIZE,
/// Read-only page containing kernel and system configuration values.
CONFIG_MEMORY_VADDR = 0x1FF80000,
CONFIG_MEMORY_SIZE = 0x00001000,
CONFIG_MEMORY_VADDR_END = CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE,
/// Usually read-only page containing mostly values read from hardware.
SHARED_PAGE_VADDR = 0x1FF81000,
SHARED_PAGE_SIZE = 0x00001000,
SHARED_PAGE_VADDR_END = SHARED_PAGE_VADDR + SHARED_PAGE_SIZE,
// TODO(yuriks): The size of this area is dynamic, the kernel grows
// it as more and more threads are created. For now we'll just use a
// hardcoded value.
/// Area where TLS (Thread-Local Storage) buffers are allocated.
TLS_AREA_VADDR = 0x1FF82000,
TLS_AREA_SIZE = 0x00030000, // Each TLS buffer is 0x200 bytes, allows for 300 threads
TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
};
u8 Read8(VAddr addr);
u16 Read16(VAddr addr);
u32 Read32(VAddr addr);
u64 Read64(VAddr addr);
void Write8(VAddr addr, u8 data);
void Write16(VAddr addr, u16 data);
void Write32(VAddr addr, u32 data);
void Write64(VAddr addr, u64 data);
void WriteBlock(VAddr addr, const u8* data, size_t size);
u8* GetPointer(VAddr virtual_address);
/**
* Gets a pointer to the memory region beginning at the specified physical address.
*
* @note This is currently implemented using PhysicalToVirtualAddress().
*/
u8* GetPhysicalPointer(PAddr address);
}

29
src/core/memory_setup.h Normal file
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@ -0,0 +1,29 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
namespace Memory {
void InitMemoryMap();
/**
* Maps an allocated buffer onto a region of the emulated process address space.
*
* @param base The address to start mapping at. Must be page-aligned.
* @param size The amount of bytes to map. Must be page-aligned.
* @param target Buffer with the memory backing the mapping. Must be of length at least `size`.
*/
void MapMemoryRegion(VAddr base, u32 size, u8* target);
/**
* Maps a region of the emulated process address space as a IO region.
* @note Currently this can only be used to mark a region as being IO, since actual memory-mapped
* IO isn't yet supported.
*/
void MapIoRegion(VAddr base, u32 size);
}

2
src/video_core/pica.h
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@ -16,8 +16,6 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/mem_map.h"
namespace Pica {
// Returns index corresponding to the Regs member labeled by field_name

2
src/video_core/rasterizer.cpp
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@ -9,6 +9,8 @@
#include "common/profiler.h"
#include "core/hw/gpu.h"
#include "core/memory.h"
#include "debug_utils/debug_utils.h"
#include "math.h"
#include "color.h"

2
src/video_core/renderer_opengl/renderer_opengl.cpp
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@ -5,7 +5,7 @@
#include "core/hw/gpu.h"
#include "core/hw/hw.h"
#include "core/hw/lcd.h"
#include "core/mem_map.h"
#include "core/memory.h"
#include "core/settings.h"
#include "common/emu_window.h"

2
src/video_core/vertex_shader.cpp
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@ -8,8 +8,6 @@
#include <common/file_util.h>
#include <core/mem_map.h>
#include <nihstro/shader_bytecode.h>
#include "common/profiler.h"