diff --git a/src/citra_qt/debugger/callstack.cpp b/src/citra_qt/debugger/callstack.cpp
index 3742c2d38..94e204717 100644
--- a/src/citra_qt/debugger/callstack.cpp
+++ b/src/citra_qt/debugger/callstack.cpp
@@ -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"
diff --git a/src/citra_qt/debugger/disassembler.cpp b/src/citra_qt/debugger/disassembler.cpp
index 780607e82..e99ec1b30 100644
--- a/src/citra_qt/debugger/disassembler.cpp
+++ b/src/citra_qt/debugger/disassembler.cpp
@@ -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"
diff --git a/src/citra_qt/debugger/graphics_framebuffer.cpp b/src/citra_qt/debugger/graphics_framebuffer.cpp
index 3287b4706..0c1a3f47f 100644
--- a/src/citra_qt/debugger/graphics_framebuffer.cpp
+++ b/src/citra_qt/debugger/graphics_framebuffer.cpp
@@ -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"
diff --git a/src/citra_qt/debugger/ramview.cpp b/src/citra_qt/debugger/ramview.cpp
index 7149a0485..b6ebc7fc4 100644
--- a/src/citra_qt/debugger/ramview.cpp
+++ b/src/citra_qt/debugger/ramview.cpp
@@ -4,8 +4,6 @@
#include "ramview.h"
-#include "core/mem_map.h"
-
GRamView::GRamView(QWidget* parent) : QHexEdit(parent)
{
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index ebedcb710..e8d8c96d7 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -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
)
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
index 8c52bdb72..b79fd1719 100644
--- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp
@@ -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"
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp
index 31b2bab06..680a94a39 100644
--- a/src/core/arm/interpreter/arminit.cpp
+++ b/src/core/arm/interpreter/arminit.cpp
@@ -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"
diff --git a/src/core/arm/skyeye_common/armmmu.h b/src/core/arm/skyeye_common/armmmu.h
index 0463d83c8..c67d7209b 100644
--- a/src/core/arm/skyeye_common/armmmu.h
+++ b/src/core/arm/skyeye_common/armmmu.h
@@ -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
diff --git a/src/core/core.cpp b/src/core/core.cpp
index 53aae8c2f..79038cd52 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -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"
diff --git a/src/core/file_sys/archive_backend.cpp b/src/core/file_sys/archive_backend.cpp
index 0439868ab..45a559ce8 100644
--- a/src/core/file_sys/archive_backend.cpp
+++ b/src/core/file_sys/archive_backend.cpp
@@ -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 {
diff --git a/src/core/hle/config_mem.cpp b/src/core/hle/config_mem.cpp
index 35dc9cf58..aea936d2d 100644
--- a/src/core/hle/config_mem.cpp
+++ b/src/core/hle/config_mem.cpp
@@ -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));
diff --git a/src/core/hle/config_mem.h b/src/core/hle/config_mem.h
index cbb478fb3..9825a09e8 100644
--- a/src/core/hle/config_mem.h
+++ b/src/core/hle/config_mem.h
@@ -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
diff --git a/src/core/hle/function_wrappers.h b/src/core/hle/function_wrappers.h
index be2626eef..eb52c8fb1 100644
--- a/src/core/hle/function_wrappers.h
+++ b/src/core/hle/function_wrappers.h
@@ -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(¶m_1, Memory::GetCharPointer(PARAM(1))).raw;
+ u32 retval = func(¶m_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
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 9d7f6b280..a1221766e 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -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"
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 1e439db9e..0cdfa58d7 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -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 {
diff --git a/src/core/hle/kernel/session.h b/src/core/hle/kernel/session.h
index 8c3886ffd..54a062971 100644
--- a/src/core/hle/kernel/session.h
+++ b/src/core/hle/kernel/session.h
@@ -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 {
diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp
index 0c59f4876..4137683b5 100644
--- a/src/core/hle/kernel/shared_memory.cpp
+++ b/src/core/hle/kernel/shared_memory.cpp
@@ -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 {
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 5bcd03ff3..a5f1904d7 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -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 {
diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h
index 6b329c12a..389928178 100644
--- a/src/core/hle/kernel/thread.h
+++ b/src/core/hle/kernel/thread.h
@@ -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"
diff --git a/src/core/hle/service/gsp_gpu.cpp b/src/core/hle/service/gsp_gpu.cpp
index c6252a03b..c11c5faba 100644
--- a/src/core/hle/service/gsp_gpu.cpp
+++ b/src/core/hle/service/gsp_gpu.cpp
@@ -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"
diff --git a/src/core/hle/shared_page.cpp b/src/core/hle/shared_page.cpp
index 4f227a370..4014eee98 100644
--- a/src/core/hle/shared_page.cpp
+++ b/src/core/hle/shared_page.cpp
@@ -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() {
diff --git a/src/core/hle/shared_page.h b/src/core/hle/shared_page.h
index 1b6e4e581..fd2ab66a2 100644
--- a/src/core/hle/shared_page.h
+++ b/src/core/hle/shared_page.h
@@ -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
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index e8159fbdb..9bf886256 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -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;
}
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp
index e4a0e14c4..8ef1f70df 100644
--- a/src/core/hw/gpu.cpp
+++ b/src/core/hw/gpu.cpp
@@ -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"
diff --git a/src/core/loader/3dsx.cpp b/src/core/loader/3dsx.cpp
index e28986085..84b13ee52 100644
--- a/src/core/loader/3dsx.cpp
+++ b/src/core/loader/3dsx.cpp
@@ -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"
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
index 47d4e8cea..a951bc80f 100644
--- a/src/core/loader/elf.cpp
+++ b/src/core/loader/elf.cpp
@@ -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
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 4f881cf6f..8b14edf00 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -13,7 +13,6 @@
#include "core/loader/3dsx.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
-#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp
index 3325a6ab8..36e341fd4 100644
--- a/src/core/loader/ncch.cpp
+++ b/src/core/loader/ncch.cpp
@@ -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
diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
index f99520464..5ecec9566 100644
--- a/src/core/mem_map.cpp
+++ b/src/core/mem_map.cpp
@@ -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;
diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index 71f90cb8a..945815cd6 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -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
diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
deleted file mode 100644
index a8e0fed07..000000000
--- a/src/core/mem_map_funcs.cpp
+++ /dev/null
@@ -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
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
new file mode 100644
index 000000000..5d8069acd
--- /dev/null
+++ b/src/core/memory.cpp
@@ -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
diff --git a/src/core/memory.h b/src/core/memory.h
new file mode 100644
index 000000000..2d225801b
--- /dev/null
+++ b/src/core/memory.h
@@ -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);
+
+}
diff --git a/src/core/memory_setup.h b/src/core/memory_setup.h
new file mode 100644
index 000000000..46263495f
--- /dev/null
+++ b/src/core/memory_setup.h
@@ -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);
+
+}
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index a53429716..3fbf95721 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -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
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index 02a08b20e..59eff48f9 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -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"
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 0c072120d..71ceb021b 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -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"
diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp
index 4734e546a..981d1a356 100644
--- a/src/video_core/vertex_shader.cpp
+++ b/src/video_core/vertex_shader.cpp
@@ -8,8 +8,6 @@
#include <common/file_util.h>
-#include <core/mem_map.h>
-
#include <nihstro/shader_bytecode.h>
#include "common/profiler.h"