Merge pull request #734 from yuriks/memmap

Small memory map definitions cleanup

src/citra_qt/debugger/graphics_cmdlists.cpp

@@ -159,7 +159,7 @@ void TextureInfoDockWidget::OnStrideChanged(int value) {
 }
 
 QPixmap TextureInfoDockWidget::ReloadPixmap() const {
-    u8* src = Memory::GetPointer(Pica::PAddrToVAddr(info.physical_address));
+    u8* src = Memory::GetPhysicalPointer(info.physical_address);
     return QPixmap::fromImage(LoadTexture(src, info));
 }
 
@@ -274,7 +274,7 @@ void GPUCommandListWidget::SetCommandInfo(const QModelIndex& index) {
         auto format = Pica::registers.GetTextures()[index].format;
 
         auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config, format);
-        u8* src = Memory::GetPointer(Pica::PAddrToVAddr(config.GetPhysicalAddress()));
+        u8* src = Memory::GetPhysicalPointer(config.GetPhysicalAddress());
         new_info_widget = new TextureInfoWidget(src, info);
     } else {
         new_info_widget = new QWidget;

src/citra_qt/debugger/graphics_framebuffer.cpp

@@ -215,7 +215,7 @@ void GraphicsFramebufferWidget::OnUpdate()
     u32 bytes_per_pixel = GraphicsFramebufferWidget::BytesPerPixel(framebuffer_format);
 
     QImage decoded_image(framebuffer_width, framebuffer_height, QImage::Format_ARGB32);
-    u8* buffer = Memory::GetPointer(Pica::PAddrToVAddr(framebuffer_address));
+    u8* buffer = Memory::GetPhysicalPointer(framebuffer_address);
 
     for (unsigned int y = 0; y < framebuffer_height; ++y) {
         for (unsigned int x = 0; x < framebuffer_width; ++x) {

src/core/core.cpp

@@ -63,7 +63,7 @@ int Init() {
 
     // TODO: Whenever TLS is implemented, this should contain
     // the address of the 0x200-byte TLS
-    g_app_core->SetCP15Register(CP15_THREAD_URO, Memory::KERNEL_MEMORY_VADDR);
+    g_app_core->SetCP15Register(CP15_THREAD_URO, Memory::TLS_AREA_VADDR);
 
     LOG_DEBUG(Core, "Initialized OK");
     return 0;

src/core/hle/kernel/session.h

@@ -17,7 +17,7 @@ static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of
  * @return Pointer to command buffer
  */
 inline static u32* GetCommandBuffer(const int offset=0) {
-    return (u32*)Memory::GetPointer(Memory::KERNEL_MEMORY_VADDR + kCommandHeaderOffset + offset);
+    return (u32*)Memory::GetPointer(Memory::TLS_AREA_VADDR + kCommandHeaderOffset + offset);
 }
 
 /**

src/core/hle/kernel/thread.cpp

@@ -443,7 +443,8 @@ void Thread::BoostPriority(s32 priority) {
 
 SharedPtr<Thread> SetupIdleThread() {
     // We need to pass a few valid values to get around parameter checking in Thread::Create.
-    auto thread = Thread::Create("idle", Memory::KERNEL_MEMORY_VADDR, THREADPRIO_LOWEST, 0,
+    // TODO(yuriks): Figure out a way to avoid passing the bogus VAddr parameter
+    auto thread = Thread::Create("idle", Memory::TLS_AREA_VADDR, THREADPRIO_LOWEST, 0,
             THREADPROCESSORID_0, 0).MoveFrom();
 
     thread->idle = true;
@@ -455,7 +456,7 @@ SharedPtr<Thread> SetupMainThread(u32 stack_size, u32 entry_point, s32 priority)
 
     // Initialize new "main" thread
     auto thread_res = Thread::Create("main", entry_point, priority, 0,
-            THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END);
+            THREADPROCESSORID_0, Memory::HEAP_VADDR_END - stack_size);
 
     SharedPtr<Thread> thread = thread_res.MoveFrom();
 

src/core/hle/service/dsp_dsp.cpp

@@ -42,7 +42,7 @@ static void ConvertProcessAddressFromDspDram(Service::Interface* self) {
     u32 addr = cmd_buff[1];
 
     cmd_buff[1] = 0; // No error
-    cmd_buff[2] = (addr << 1) + (Memory::DSP_MEMORY_VADDR + 0x40000);
+    cmd_buff[2] = (addr << 1) + (Memory::DSP_RAM_VADDR + 0x40000);
 
     LOG_WARNING(Service_DSP, "(STUBBED) called with address 0x%08X", addr);
 }

src/core/hw/gpu.cpp

@@ -76,8 +76,8 @@ inline void Write(u32 addr, const T data) {
         auto& config = g_regs.memory_fill_config[is_second_filler];
 
         if (config.address_start && config.trigger) {
-            u8* start = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetStartAddress()));
-            u8* end = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetEndAddress()));
+            u8* start = Memory::GetPhysicalPointer(config.GetStartAddress());
+            u8* end = Memory::GetPhysicalPointer(config.GetEndAddress());
 
             if (config.fill_24bit) {
                 // fill with 24-bit values
@@ -114,8 +114,8 @@ inline void Write(u32 addr, const T data) {
     {
         const auto& config = g_regs.display_transfer_config;
         if (config.trigger & 1) {
-            u8* src_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress()));
-            u8* dst_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress()));
+            u8* src_pointer = Memory::GetPhysicalPointer(config.GetPhysicalInputAddress());
+            u8* dst_pointer = Memory::GetPhysicalPointer(config.GetPhysicalOutputAddress());
 
             if (config.scaling > config.ScaleXY) {
                 LOG_CRITICAL(HW_GPU, "Unimplemented display transfer scaling mode %u", config.scaling.Value());
@@ -257,7 +257,7 @@ inline void Write(u32 addr, const T data) {
         const auto& config = g_regs.command_processor_config;
         if (config.trigger & 1)
         {
-            u32* buffer = (u32*)Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalAddress()));
+            u32* buffer = (u32*)Memory::GetPhysicalPointer(config.GetPhysicalAddress());
             Pica::CommandProcessor::ProcessCommandList(buffer, config.size);
         }
         break;

src/core/loader/3dsx.cpp

@@ -234,9 +234,9 @@ ResultStatus AppLoader_THREEDSX::Load() {
     Kernel::g_current_process->svc_access_mask.set();
     Kernel::g_current_process->address_mappings = default_address_mappings;
 
-    Load3DSXFile(*file, Memory::EXEFS_CODE_VADDR);
+    Load3DSXFile(*file, Memory::PROCESS_IMAGE_VADDR);
 
-    Kernel::g_current_process->Run(Memory::EXEFS_CODE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
+    Kernel::g_current_process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
 
     is_loaded = true;
     return ResultStatus::Success;

src/core/loader/elf.cpp

@@ -355,7 +355,7 @@ ResultStatus AppLoader_ELF::Load() {
     Kernel::g_current_process->address_mappings = default_address_mappings;
 
     ElfReader elf_reader(&buffer[0]);
-    elf_reader.LoadInto(Memory::EXEFS_CODE_VADDR);
+    elf_reader.LoadInto(Memory::PROCESS_IMAGE_VADDR);
     // TODO: Fill application title
 
     Kernel::g_current_process->Run(elf_reader.GetEntryPoint(), 48, Kernel::DEFAULT_STACK_SIZE);

src/core/mem_map.cpp

@@ -12,13 +12,12 @@
 namespace Memory {
 
 u8* g_exefs_code;  ///< ExeFS:/.code is loaded here
-u8* g_system_mem;  ///< System memory
 u8* g_heap;        ///< Application heap (main memory)
+u8* g_shared_mem;  ///< Shared memory
 u8* g_heap_linear; ///< Linear heap
 u8* g_vram;        ///< Video memory (VRAM) pointer
-u8* g_shared_mem;  ///< Shared memory
 u8* g_dsp_mem;     ///< DSP memory
-u8* g_kernel_mem;  ///< Kernel memory
+u8* g_tls_mem;     ///< TLS memory
 
 namespace {
 
@@ -29,14 +28,13 @@ struct MemoryArea {
 
 // We don't declare the IO regions in here since its handled by other means.
 static MemoryArea memory_areas[] = {
-    {&g_exefs_code,  EXEFS_CODE_SIZE   },
-    {&g_vram,        VRAM_SIZE         },
-    {&g_heap,        HEAP_SIZE         },
-    {&g_shared_mem,  SHARED_MEMORY_SIZE},
-    {&g_system_mem,  SYSTEM_MEMORY_SIZE},
-    {&g_dsp_mem,     DSP_MEMORY_SIZE   },
-    {&g_kernel_mem,  KERNEL_MEMORY_SIZE},
-    {&g_heap_linear, HEAP_LINEAR_SIZE  },
+    {&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         },
 };
 
 }

src/core/mem_map.h

@@ -12,79 +12,93 @@ namespace Memory {
 
 const u32 PAGE_SIZE = 0x1000;
 
-enum : u32 {
-    BOOTROM_SIZE                = 0x00010000,   ///< Bootrom (super secret code/data @ 0x8000) size
-    BOOTROM_PADDR               = 0x00000000,   ///< Bootrom physical address
-    BOOTROM_PADDR_END           = (BOOTROM_PADDR + BOOTROM_SIZE),
-
-    BOOTROM_MIRROR_SIZE         = 0x00010000,   ///< Bootrom Mirror size
-    BOOTROM_MIRROR_PADDR        = 0x00010000,   ///< Bootrom Mirror physical address
-    BOOTROM_MIRROR_PADDR_END    = (BOOTROM_MIRROR_PADDR + BOOTROM_MIRROR_SIZE),
-    
-    MPCORE_PRIV_SIZE            = 0x00002000,   ///< MPCore private memory region size
-    MPCORE_PRIV_PADDR           = 0x17E00000,   ///< MPCore private memory region physical address
-    MPCORE_PRIV_PADDR_END       = (MPCORE_PRIV_PADDR + MPCORE_PRIV_SIZE),
-
-    FCRAM_SIZE                  = 0x08000000,   ///< FCRAM size
-    FCRAM_PADDR                 = 0x20000000,   ///< FCRAM physical address
-    FCRAM_PADDR_END             = (FCRAM_PADDR + FCRAM_SIZE),
-
-    HEAP_SIZE                   = FCRAM_SIZE,   ///< Application heap size
-    HEAP_VADDR                  = 0x08000000,
-    HEAP_VADDR_END              = (HEAP_VADDR + HEAP_SIZE),
-
-    HEAP_LINEAR_SIZE            = FCRAM_SIZE,
-    HEAP_LINEAR_VADDR           = 0x14000000,
-    HEAP_LINEAR_VADDR_END       = (HEAP_LINEAR_VADDR + HEAP_LINEAR_SIZE),
-    
-    AXI_WRAM_SIZE               = 0x00080000,   ///< AXI WRAM size
-    AXI_WRAM_PADDR              = 0x1FF80000,   ///< AXI WRAM physical address
-    AXI_WRAM_PADDR_END          = (AXI_WRAM_PADDR + AXI_WRAM_SIZE),
-
-    SHARED_MEMORY_SIZE          = 0x04000000,   ///< Shared memory size
-    SHARED_MEMORY_VADDR         = 0x10000000,   ///< Shared memory
-    SHARED_MEMORY_VADDR_END     = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE),
-
-    DSP_MEMORY_SIZE             = 0x00080000,   ///< DSP memory size
-    DSP_MEMORY_VADDR            = 0x1FF00000,   ///< DSP memory virtual address
-    DSP_MEMORY_VADDR_END        = (DSP_MEMORY_VADDR + DSP_MEMORY_SIZE),
-
-    CONFIG_MEMORY_SIZE          = 0x00001000,   ///< Configuration memory size
-    CONFIG_MEMORY_VADDR         = 0x1FF80000,   ///< Configuration memory virtual address
-    CONFIG_MEMORY_VADDR_END     = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE),
-
-    SHARED_PAGE_SIZE            = 0x00001000,   ///< Shared page size
-    SHARED_PAGE_VADDR           = 0x1FF81000,   ///< Shared page virtual address
-    SHARED_PAGE_VADDR_END       = (SHARED_PAGE_VADDR + SHARED_PAGE_SIZE),
-
-    KERNEL_MEMORY_SIZE          = 0x00001000,   ///< Kernel memory size
-    KERNEL_MEMORY_VADDR         = 0xFFFF0000,   ///< Kernel memory where the kthread objects etc are
-    KERNEL_MEMORY_VADDR_END     = (KERNEL_MEMORY_VADDR + KERNEL_MEMORY_SIZE),
-
-    EXEFS_CODE_SIZE             = 0x03F00000,
-    EXEFS_CODE_VADDR            = 0x00100000,   ///< ExeFS:/.code is loaded here
-    EXEFS_CODE_VADDR_END        = (EXEFS_CODE_VADDR + EXEFS_CODE_SIZE),
-
-    // Region of FCRAM used by system
-    SYSTEM_MEMORY_SIZE          = 0x02C00000,   ///< 44MB
-    SYSTEM_MEMORY_VADDR         = 0x04000000,
-    SYSTEM_MEMORY_VADDR_END     = (SYSTEM_MEMORY_VADDR + SYSTEM_MEMORY_SIZE),
-
-    HARDWARE_IO_SIZE            = 0x01000000,
-    HARDWARE_IO_PADDR           = 0x10000000,                       ///< IO physical address start
-    HARDWARE_IO_VADDR           = 0x1EC00000,                       ///< IO virtual address start
-    HARDWARE_IO_PADDR_END       = (HARDWARE_IO_PADDR + HARDWARE_IO_SIZE),
-    HARDWARE_IO_VADDR_END       = (HARDWARE_IO_VADDR + HARDWARE_IO_SIZE),
-
-    VRAM_SIZE                   = 0x00600000,
-    VRAM_PADDR                  = 0x18000000,
-    VRAM_VADDR                  = 0x1F000000,
-    VRAM_PADDR_END              = (VRAM_PADDR + VRAM_SIZE),
-    VRAM_VADDR_END              = (VRAM_VADDR + VRAM_SIZE),
-
-    SCRATCHPAD_SIZE             = 0x00004000,   ///< Typical stack size - TODO: Read from exheader
-    SCRATCHPAD_VADDR_END        = 0x10000000,
-    SCRATCHPAD_VADDR            = (SCRATCHPAD_VADDR_END - SCRATCHPAD_SIZE), ///< Stack space
+/// 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 exact location and size of this area is uncomfirmed.
+    /// Area where TLS (Thread-Local Storage) buffers are allocated.
+    TLS_AREA_VADDR     = 0x1FFA0000,
+    TLS_AREA_SIZE      = 0x00002000, // Each TLS buffer is 0x200 bytes, allows for 16 threads
+    TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -107,14 +121,13 @@ struct MemoryBlock {
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-extern u8* g_heap_linear;   ///< Linear heap (main memory)
-extern u8* g_heap;          ///< Application heap (main memory)
-extern u8* g_vram;          ///< Video memory (VRAM)
-extern u8* g_shared_mem;    ///< Shared memory
-extern u8* g_kernel_mem;    ///< Kernel memory
-extern u8* g_dsp_mem;       ///< DSP memory
-extern u8* g_system_mem;    ///< System memory
-extern u8* g_exefs_code;    ///< ExeFS:/.code is loaded here
+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
+extern u8* g_heap_linear; ///< Linear heap (main memory)
+extern u8* g_vram;        ///< Video memory (VRAM)
+extern u8* g_dsp_mem;     ///< DSP memory
+extern u8* g_tls_mem;     ///< TLS memory
 
 void Init();
 void Shutdown();
@@ -168,10 +181,24 @@ inline const char* GetCharPointer(const VAddr address) {
     return (const char *)GetPointer(address);
 }
 
-/// Converts a physical address to virtual 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.
+ */
+PAddr VirtualToPhysicalAddress(VAddr addr);
+
+/**
+ * Undoes a mapping performed by VirtualToPhysicalAddress().
+ */
 VAddr PhysicalToVirtualAddress(PAddr addr);
 
-/// Converts a virtual address to physical address
-PAddr VirtualToPhysicalAddress(VAddr 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

src/core/mem_map_funcs.cpp

@@ -18,40 +18,40 @@ namespace Memory {
 static std::map<u32, MemoryBlock> heap_map;
 static std::map<u32, MemoryBlock> heap_linear_map;
 
-/// Convert a physical address to virtual address
-VAddr PhysicalToVirtualAddress(const PAddr addr) {
-    // Our memory interface read/write functions assume virtual addresses. Put any physical address
-    // to virtual address translations here. This is quite hacky, but necessary until we implement
-    // proper MMU emulation.
-    // TODO: Screw it, I'll let bunnei figure out how to do this properly.
+PAddr VirtualToPhysicalAddress(const VAddr 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 + HEAP_LINEAR_VADDR;
+    } 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 physical address @ 0x%08x", addr);
-    return addr;
+    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;
 }
 
-/// Convert a physical address to virtual address
-PAddr VirtualToPhysicalAddress(const VAddr addr) {
-    // Our memory interface read/write functions assume virtual addresses. Put any physical address
-    // to virtual address translations here. This is quite hacky, but necessary until we implement
-    // proper MMU emulation.
-    // TODO: Screw it, I'll let bunnei figure out how to do this properly.
+VAddr PhysicalToVirtualAddress(const PAddr addr) {
     if (addr == 0) {
         return 0;
-    } else if ((addr >= VRAM_VADDR) && (addr < VRAM_VADDR_END)) {
-        return addr - VRAM_VADDR + VRAM_PADDR;
-    } else if ((addr >= HEAP_LINEAR_VADDR) && (addr < HEAP_LINEAR_VADDR_END)) {
-        return addr - HEAP_LINEAR_VADDR + FCRAM_PADDR;
+    } 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 virtual address @ 0x%08x", addr);
-    return addr;
+    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>
@@ -61,16 +61,16 @@ inline void Read(T &var, const VAddr vaddr) {
     // Could just do a base-relative read, too.... TODO
 
     // Kernel memory command buffer
-    if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
-        var = *((const T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR]);
+    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 >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {
-        var = *((const T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR]);
+    } 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 >= HEAP_LINEAR_VADDR) && (vaddr < HEAP_LINEAR_VADDR_END)) {
-        var = *((const T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR]);
+    } 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)) {
@@ -80,10 +80,6 @@ inline void Read(T &var, const VAddr vaddr) {
     } else if ((vaddr >= SHARED_MEMORY_VADDR)  && (vaddr < SHARED_MEMORY_VADDR_END)) {
         var = *((const T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR]);
 
-    // System memory
-    } else if ((vaddr >= SYSTEM_MEMORY_VADDR)  && (vaddr < SYSTEM_MEMORY_VADDR_END)) {
-        var = *((const T*)&g_system_mem[vaddr - SYSTEM_MEMORY_VADDR]);
-
     // Config memory
     } else if ((vaddr >= CONFIG_MEMORY_VADDR)  && (vaddr < CONFIG_MEMORY_VADDR_END)) {
         ConfigMem::Read<T>(var, vaddr);
@@ -93,8 +89,8 @@ inline void Read(T &var, const VAddr vaddr) {
         SharedPage::Read<T>(var, vaddr);
 
     // DSP memory
-    } else if ((vaddr >= DSP_MEMORY_VADDR)  && (vaddr < DSP_MEMORY_VADDR_END)) {
-        var = *((const T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR]);
+    } 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)) {
@@ -109,16 +105,16 @@ template <typename T>
 inline void Write(const VAddr vaddr, const T data) {
 
     // Kernel memory command buffer
-    if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
-        *(T*)&g_kernel_mem[vaddr - KERNEL_MEMORY_VADDR] = data;
+    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 >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {
-        *(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data;
+    } 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 >= HEAP_LINEAR_VADDR)  && (vaddr < HEAP_LINEAR_VADDR_END)) {
-        *(T*)&g_heap_linear[vaddr - HEAP_LINEAR_VADDR] = data;
+    } 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)) {
@@ -128,17 +124,13 @@ inline void Write(const VAddr vaddr, const T data) {
     } else if ((vaddr >= SHARED_MEMORY_VADDR)  && (vaddr < SHARED_MEMORY_VADDR_END)) {
         *(T*)&g_shared_mem[vaddr - SHARED_MEMORY_VADDR] = data;
 
-    // System memory
-    } else if ((vaddr >= SYSTEM_MEMORY_VADDR)  && (vaddr < SYSTEM_MEMORY_VADDR_END)) {
-        *(T*)&g_system_mem[vaddr - SYSTEM_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_MEMORY_VADDR)  && (vaddr < DSP_MEMORY_VADDR_END)) {
-        *(T*)&g_dsp_mem[vaddr - DSP_MEMORY_VADDR] = data;
+    } 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");
@@ -153,16 +145,16 @@ inline void Write(const VAddr vaddr, const T data) {
 
 u8 *GetPointer(const VAddr vaddr) {
     // Kernel memory command buffer
-    if (vaddr >= KERNEL_MEMORY_VADDR && vaddr < KERNEL_MEMORY_VADDR_END) {
-        return g_kernel_mem + (vaddr - KERNEL_MEMORY_VADDR);
+    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 >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {
-        return g_exefs_code + (vaddr - EXEFS_CODE_VADDR);
+    } 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 >= HEAP_LINEAR_VADDR)  && (vaddr < HEAP_LINEAR_VADDR_END)) {
-        return g_heap_linear + (vaddr - HEAP_LINEAR_VADDR);
+    } 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)) {
@@ -172,10 +164,6 @@ u8 *GetPointer(const VAddr vaddr) {
     } else if ((vaddr >= SHARED_MEMORY_VADDR)  && (vaddr < SHARED_MEMORY_VADDR_END)) {
         return g_shared_mem + (vaddr - SHARED_MEMORY_VADDR);
 
-    // System memory
-    } else if ((vaddr >= SYSTEM_MEMORY_VADDR)  && (vaddr < SYSTEM_MEMORY_VADDR_END)) {
-        return g_system_mem + (vaddr - SYSTEM_MEMORY_VADDR);
-
     // VRAM
     } else if ((vaddr >= VRAM_VADDR)  && (vaddr < VRAM_VADDR_END)) {
         return g_vram + (vaddr - VRAM_VADDR);
@@ -206,7 +194,7 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {
 u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {
     MemoryBlock block;
 
-    block.base_address  = HEAP_LINEAR_VADDR;
+    block.base_address  = LINEAR_HEAP_VADDR;
     block.size          = size;
     block.operation     = operation;
     block.permissions   = permissions;

src/video_core/command_processor.cpp

@@ -102,7 +102,7 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
             bool is_indexed = (id == PICA_REG_INDEX(trigger_draw_indexed));
 
             const auto& index_info = registers.index_array;
-            const u8* index_address_8 = Memory::GetPointer(PAddrToVAddr(base_address + index_info.offset));
+            const u8* index_address_8 = Memory::GetPhysicalPointer(base_address + index_info.offset);
             const u16* index_address_16 = (u16*)index_address_8;
             bool index_u16 = index_info.format != 0;
 
@@ -135,7 +135,7 @@ static inline void WritePicaReg(u32 id, u32 value, u32 mask) {
                                   input.attr[i][2].ToFloat32(), input.attr[i][3].ToFloat32());
                     } else {
                         for (unsigned int comp = 0; comp < vertex_attribute_elements[i]; ++comp) {
-                            const u8* srcdata = Memory::GetPointer(PAddrToVAddr(vertex_attribute_sources[i] + vertex_attribute_strides[i] * vertex + comp * vertex_attribute_element_size[i]));
+                            const u8* srcdata = Memory::GetPhysicalPointer(vertex_attribute_sources[i] + vertex_attribute_strides[i] * vertex + comp * vertex_attribute_element_size[i]);
 
                             const float srcval = (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::BYTE) ? *(s8*)srcdata :
                                 (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::UBYTE) ? *(u8*)srcdata :

src/video_core/pica.h

@@ -998,15 +998,4 @@ union CommandHeader {
     BitField<31,  1, u32> group_commands;
 };
 
-// TODO: Ugly, should fix PhysicalToVirtualAddress instead
-inline static u32 PAddrToVAddr(u32 addr) {
-    if (addr >= Memory::VRAM_PADDR && addr < Memory::VRAM_PADDR + Memory::VRAM_SIZE) {
-        return addr - Memory::VRAM_PADDR + Memory::VRAM_VADDR;
-    } else if (addr >= Memory::FCRAM_PADDR && addr < Memory::FCRAM_PADDR + Memory::FCRAM_SIZE) {
-        return addr - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR;
-    } else {
-        return 0;
-    }
-}
-
 } // namespace

src/video_core/rasterizer.cpp

@@ -30,7 +30,7 @@ static void DrawPixel(int x, int y, const Math::Vec4<u8>& color) {
     const u32 coarse_y = y & ~7;
     u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(registers.framebuffer.color_format.Value()));
     u32 dst_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * registers.framebuffer.width * bytes_per_pixel;
-    u8* dst_pixel = Memory::GetPointer(PAddrToVAddr(addr)) + dst_offset;
+    u8* dst_pixel = Memory::GetPhysicalPointer(addr) + dst_offset;
 
     switch (registers.framebuffer.color_format) {
     case registers.framebuffer.RGBA8:
@@ -67,7 +67,7 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
     const u32 coarse_y = y & ~7;
     u32 bytes_per_pixel = GPU::Regs::BytesPerPixel(GPU::Regs::PixelFormat(registers.framebuffer.color_format.Value()));
     u32 src_offset = VideoCore::GetMortonOffset(x, y, bytes_per_pixel) + coarse_y * registers.framebuffer.width * bytes_per_pixel;
-    u8* src_pixel = Memory::GetPointer(PAddrToVAddr(addr)) + src_offset;
+    u8* src_pixel = Memory::GetPhysicalPointer(addr) + src_offset;
 
     switch (registers.framebuffer.color_format) {
     case registers.framebuffer.RGBA8:
@@ -95,7 +95,7 @@ static const Math::Vec4<u8> GetPixel(int x, int y) {
 
 static u32 GetDepth(int x, int y) {
     const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress();
-    u8* depth_buffer = Memory::GetPointer(PAddrToVAddr(addr));
+    u8* depth_buffer = Memory::GetPhysicalPointer(addr);
 
     y = (registers.framebuffer.height - y);
     
@@ -122,7 +122,7 @@ static u32 GetDepth(int x, int y) {
 
 static void SetDepth(int x, int y, u32 value) {
     const PAddr addr = registers.framebuffer.GetDepthBufferPhysicalAddress();
-    u8* depth_buffer = Memory::GetPointer(PAddrToVAddr(addr));
+    u8* depth_buffer = Memory::GetPhysicalPointer(addr);
 
     y = (registers.framebuffer.height - y);
 
@@ -361,7 +361,7 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0,
                 s = GetWrappedTexCoord(texture.config.wrap_s, s, texture.config.width);
                 t = texture.config.height - 1 - GetWrappedTexCoord(texture.config.wrap_t, t, texture.config.height);
 
-                u8* texture_data = Memory::GetPointer(PAddrToVAddr(texture.config.GetPhysicalAddress()));
+                u8* texture_data = Memory::GetPhysicalPointer(texture.config.GetPhysicalAddress());
                 auto info = DebugUtils::TextureInfo::FromPicaRegister(texture.config, texture.format);
 
                 texture_color[i] = DebugUtils::LookupTexture(texture_data, s, t, info);

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -119,15 +119,15 @@ void RendererOpenGL::SwapBuffers() {
 void RendererOpenGL::LoadFBToActiveGLTexture(const GPU::Regs::FramebufferConfig& framebuffer,
                                              const TextureInfo& texture) {
 
-    const VAddr framebuffer_vaddr = Memory::PhysicalToVirtualAddress(
-        framebuffer.active_fb == 0 ? framebuffer.address_left1 : framebuffer.address_left2);
+    const PAddr framebuffer_addr = framebuffer.active_fb == 0 ?
+            framebuffer.address_left1 : framebuffer.address_left2;
 
     LOG_TRACE(Render_OpenGL, "0x%08x bytes from 0x%08x(%dx%d), fmt %x",
         framebuffer.stride * framebuffer.height,
-        framebuffer_vaddr, (int)framebuffer.width,
+        framebuffer_addr, (int)framebuffer.width,
         (int)framebuffer.height, (int)framebuffer.format);
 
-    const u8* framebuffer_data = Memory::GetPointer(framebuffer_vaddr);
+    const u8* framebuffer_data = Memory::GetPhysicalPointer(framebuffer_addr);
 
     int bpp = GPU::Regs::BytesPerPixel(framebuffer.color_format);
     size_t pixel_stride = framebuffer.stride / bpp;