diff options
| -rw-r--r-- | src/common/common_paths.h | 17 | ||||
| -rw-r--r-- | src/common/file_util.cpp | 14 | ||||
| -rw-r--r-- | src/common/file_util.h | 1 | ||||
| -rw-r--r-- | src/core/hle/service/apt_u.cpp | 134 | ||||
| -rw-r--r-- | src/core/hle/svc.cpp | 2 | ||||
| -rw-r--r-- | src/core/mem_map.cpp | 16 | ||||
| -rw-r--r-- | src/core/mem_map.h | 14 | ||||
| -rw-r--r-- | src/core/mem_map_funcs.cpp | 32 | ||||
| -rw-r--r-- | src/video_core/pica.h | 4 | 
9 files changed, 140 insertions, 94 deletions
diff --git a/src/common/common_paths.h b/src/common/common_paths.h index ae08d082a..42e1a29c1 100644 --- a/src/common/common_paths.h +++ b/src/common/common_paths.h @@ -29,19 +29,6 @@      #endif  #endif -// Shared data dirs (Sys and shared User for linux) -#ifdef _WIN32 -    #define SYSDATA_DIR "sys" -#else -    #ifdef DATA_DIR -        #define SYSDATA_DIR DATA_DIR "sys" -        #define SHARED_USER_DIR  DATA_DIR USERDATA_DIR DIR_SEP -    #else -        #define SYSDATA_DIR "sys" -        #define SHARED_USER_DIR  ROOT_DIR DIR_SEP USERDATA_DIR DIR_SEP -    #endif -#endif -  // Dirs in both User and Sys  #define EUR_DIR "EUR"  #define USA_DIR "USA" @@ -53,6 +40,7 @@  #define MAPS_DIR          "maps"  #define CACHE_DIR         "cache"  #define SDMC_DIR          "sdmc" +#define SYSDATA_DIR       "sysdata"  #define SHADERCACHE_DIR   "shader_cache"  #define STATESAVES_DIR    "state_saves"  #define SCREENSHOTS_DIR   "screenShots" @@ -70,6 +58,9 @@  #define DEBUGGER_CONFIG   "debugger.ini"  #define LOGGER_CONFIG     "logger.ini" +// Sys files +#define SHARED_FONT       "shared_font.bin" +  // Files in the directory returned by GetUserPath(D_LOGS_IDX)  #define MAIN_LOG "emu.log" diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp index 6c4860503..7579d8c0f 100644 --- a/src/common/file_util.cpp +++ b/src/common/file_util.cpp @@ -676,6 +676,7 @@ const std::string& GetUserPath(const unsigned int DirIDX, const std::string &new          paths[D_MAPS_IDX]           = paths[D_USER_IDX] + MAPS_DIR DIR_SEP;          paths[D_CACHE_IDX]          = paths[D_USER_IDX] + CACHE_DIR DIR_SEP;          paths[D_SDMC_IDX]           = paths[D_USER_IDX] + SDMC_DIR DIR_SEP; +        paths[D_SYSDATA_IDX]        = paths[D_USER_IDX] + SYSDATA_DIR DIR_SEP;          paths[D_SHADERCACHE_IDX]    = paths[D_USER_IDX] + SHADERCACHE_DIR DIR_SEP;          paths[D_SHADERS_IDX]        = paths[D_USER_IDX] + SHADERS_DIR DIR_SEP;          paths[D_STATESAVES_IDX]     = paths[D_USER_IDX] + STATESAVES_DIR DIR_SEP; @@ -753,19 +754,6 @@ const std::string& GetUserPath(const unsigned int DirIDX, const std::string &new      return paths[DirIDX];  } -//std::string GetThemeDir(const std::string& theme_name) -//{ -//    std::string dir = FileUtil::GetUserPath(D_THEMES_IDX) + theme_name + "/"; -// -//#if !defined(_WIN32) -//    // If theme does not exist in user's dir load from shared directory -//    if (!FileUtil::Exists(dir)) -//        dir = SHARED_USER_DIR THEMES_DIR "/" + theme_name + "/"; -//#endif -// -//    return dir; -//} -  size_t WriteStringToFile(bool text_file, const std::string &str, const char *filename)  {      return FileUtil::IOFile(filename, text_file ? "w" : "wb").WriteBytes(str.data(), str.size()); diff --git a/src/common/file_util.h b/src/common/file_util.h index beaf7174a..a9d48cfe8 100644 --- a/src/common/file_util.h +++ b/src/common/file_util.h @@ -27,6 +27,7 @@ enum {      D_STATESAVES_IDX,      D_SCREENSHOTS_IDX,      D_SDMC_IDX, +    D_SYSDATA_IDX,      D_HIRESTEXTURES_IDX,      D_DUMP_IDX,      D_DUMPFRAMES_IDX, diff --git a/src/core/hle/service/apt_u.cpp b/src/core/hle/service/apt_u.cpp index 4bb05ce40..181763724 100644 --- a/src/core/hle/service/apt_u.cpp +++ b/src/core/hle/service/apt_u.cpp @@ -4,10 +4,12 @@  #include "common/common.h" +#include "common/file_util.h"  #include "core/hle/hle.h"  #include "core/hle/kernel/event.h"  #include "core/hle/kernel/mutex.h" +#include "core/hle/kernel/shared_memory.h"  #include "apt_u.h"  //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -15,7 +17,19 @@  namespace APT_U { +// Address used for shared font (as observed on HW) +// TODO(bunnei): This is the hard-coded address where we currently dump the shared font from via +// https://github.com/citra-emu/3dsutils. This is technically a hack, and will not work at any +// address other than 0x18000000 due to internal pointers in the shared font dump that would need to +// be relocated. This might be fixed by dumping the shared font @ address 0x00000000 and then +// correctly mapping it in Citra, however we still do not understand how the mapping is determined. +static const VAddr SHARED_FONT_VADDR = 0x18000000; + +// Handle to shared memory region designated to for shared system font +static Handle shared_font_mem = 0; +  static Handle lock_handle = 0; +static std::vector<u8> shared_font;  /// Signals used by APT functions  enum class SignalType : u32 { @@ -84,18 +98,18 @@ void InquireNotification(Service::Interface* self) {   * state so that this command will return an error if this command is used again if parameters were   * not set again. This is called when the second Initialize event is triggered. It returns a signal   * type indicating why it was triggered. - * Inputs: - * 1 : AppID - * 2 : Parameter buffer size, max size is 0x1000 - * Outputs: - * 1 : Result of function, 0 on success, otherwise error code - * 2 : Unknown, for now assume AppID of the process which sent these parameters - * 3 : Unknown, for now assume Signal type - * 4 : Actual parameter buffer size, this is <= to the the input size - * 5 : Value - * 6 : Handle from the source process which set the parameters, likely used for shared memory - * 7 : Size - * 8 : Output parameter buffer ptr + *  Inputs: + *      1 : AppID + *      2 : Parameter buffer size, max size is 0x1000 + *  Outputs: + *      1 : Result of function, 0 on success, otherwise error code + *      2 : Unknown, for now assume AppID of the process which sent these parameters + *      3 : Unknown, for now assume Signal type + *      4 : Actual parameter buffer size, this is <= to the the input size + *      5 : Value + *      6 : Handle from the source process which set the parameters, likely used for shared memory + *      7 : Size + *      8 : Output parameter buffer ptr   */  void ReceiveParameter(Service::Interface* self) {      u32* cmd_buff = Service::GetCommandBuffer(); @@ -115,18 +129,18 @@ void ReceiveParameter(Service::Interface* self) {   * APT_U::GlanceParameter service function. This is exactly the same as APT_U::ReceiveParameter   * (except for the word value prior to the output handle), except this will not clear the flag   * (except when responseword[3]==8 || responseword[3]==9) in NS state. - * Inputs: - * 1 : AppID - * 2 : Parameter buffer size, max size is 0x1000 - * Outputs: - * 1 : Result of function, 0 on success, otherwise error code - * 2 : Unknown, for now assume AppID of the process which sent these parameters - * 3 : Unknown, for now assume Signal type - * 4 : Actual parameter buffer size, this is <= to the the input size - * 5 : Value - * 6 : Handle from the source process which set the parameters, likely used for shared memory - * 7 : Size - * 8 : Output parameter buffer ptr + *  Inputs: + *      1 : AppID + *      2 : Parameter buffer size, max size is 0x1000 + *  Outputs: + *      1 : Result of function, 0 on success, otherwise error code + *      2 : Unknown, for now assume AppID of the process which sent these parameters + *      3 : Unknown, for now assume Signal type + *      4 : Actual parameter buffer size, this is <= to the the input size + *      5 : Value + *      6 : Handle from the source process which set the parameters, likely used for shared memory + *      7 : Size + *      8 : Output parameter buffer ptr   */  void GlanceParameter(Service::Interface* self) {      u32* cmd_buff = Service::GetCommandBuffer(); @@ -146,14 +160,14 @@ void GlanceParameter(Service::Interface* self) {  /**   * APT_U::AppletUtility service function - * Inputs: - * 1 : Unknown, but clearly used for something - * 2 : Buffer 1 size (purpose is unknown) - * 3 : Buffer 2 size (purpose is unknown) - * 5 : Buffer 1 address (purpose is unknown) - * 65 : Buffer 2 address (purpose is unknown) - * Outputs: - * 1 : Result of function, 0 on success, otherwise error code + *  Inputs: + *      1 : Unknown, but clearly used for something + *      2 : Buffer 1 size (purpose is unknown) + *      3 : Buffer 2 size (purpose is unknown) + *      5 : Buffer 1 address (purpose is unknown) + *      65 : Buffer 2 address (purpose is unknown) + *  Outputs: + *      1 : Result of function, 0 on success, otherwise error code   */  void AppletUtility(Service::Interface* self) {      u32* cmd_buff = Service::GetCommandBuffer(); @@ -172,6 +186,34 @@ void AppletUtility(Service::Interface* self) {               buffer1_addr, buffer2_addr);  } +/** + * APT_U::GetSharedFont service function + *  Outputs: + *      1 : Result of function, 0 on success, otherwise error code + *      2 : Virtual address of where shared font will be loaded in memory + *      4 : Handle to shared font memory + */ +void GetSharedFont(Service::Interface* self) { +    DEBUG_LOG(KERNEL, "called"); + +    u32* cmd_buff = Service::GetCommandBuffer(); + +    if (!shared_font.empty()) { +        // TODO(bunnei): This function shouldn't copy the shared font every time it's called. +        // Instead, it should probably map the shared font as RO memory. We don't currently have +        // an easy way to do this, but the copy should be sufficient for now. +        memcpy(Memory::GetPointer(SHARED_FONT_VADDR), shared_font.data(), shared_font.size()); + +        cmd_buff[0] = 0x00440082; +        cmd_buff[1] = 0; // No error +        cmd_buff[2] = SHARED_FONT_VADDR; +        cmd_buff[4] = shared_font_mem; +    } else { +        cmd_buff[1] = -1; // Generic error (not really possible to verify this on hardware) +        ERROR_LOG(KERNEL, "called, but %s has not been loaded!", SHARED_FONT); +    } +} +  const Interface::FunctionInfo FunctionTable[] = {      {0x00010040, GetLockHandle,         "GetLockHandle"},      {0x00020080, Initialize,            "Initialize"}, @@ -240,7 +282,7 @@ const Interface::FunctionInfo FunctionTable[] = {      {0x00410040, nullptr,               "ReceiveCaptureBufferInfo"},      {0x00420080, nullptr,               "SleepSystem"},      {0x00430040, nullptr,               "NotifyToWait"}, -    {0x00440000, nullptr,               "GetSharedFont"}, +    {0x00440000, GetSharedFont,         "GetSharedFont"},      {0x00450040, nullptr,               "GetWirelessRebootInfo"},      {0x00460104, nullptr,               "Wrap"},      {0x00470104, nullptr,               "Unwrap"}, @@ -259,9 +301,33 @@ const Interface::FunctionInfo FunctionTable[] = {  // Interface class  Interface::Interface() { -    Register(FunctionTable, ARRAY_SIZE(FunctionTable)); +    // Load the shared system font (if available). +    // The expected format is a decrypted, uncompressed BCFNT file with the 0x80 byte header +    // generated by the APT:U service. The best way to get is by dumping it from RAM. We've provided +    // a homebrew app to do this: https://github.com/citra-emu/3dsutils. Put the resulting file +    // "shared_font.bin" in the Citra "sysdata" directory. + +    shared_font.clear(); +    std::string filepath = FileUtil::GetUserPath(D_SYSDATA_IDX) + SHARED_FONT; + +    FileUtil::CreateFullPath(filepath); // Create path if not already created +    FileUtil::IOFile file(filepath, "rb"); + +    if (file.IsOpen()) { +        // Read shared font data +        shared_font.resize(file.GetSize()); +        file.ReadBytes(shared_font.data(), file.GetSize()); + +        // Create shared font memory object +        shared_font_mem = Kernel::CreateSharedMemory("APT_U:shared_font_mem"); +    } else { +        WARN_LOG(KERNEL, "Unable to load shared font: %s", filepath.c_str()); +        shared_font_mem = 0; +    }      lock_handle = 0; + +    Register(FunctionTable, ARRAY_SIZE(FunctionTable));  }  Interface::~Interface() { diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp index a5805ed05..b99c301d4 100644 --- a/src/core/hle/svc.cpp +++ b/src/core/hle/svc.cpp @@ -43,7 +43,7 @@ static Result ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 addr1,      // Map GSP heap memory      case MEMORY_OPERATION_GSP_HEAP: -        *out_addr = Memory::MapBlock_HeapGSP(size, operation, permissions); +        *out_addr = Memory::MapBlock_HeapLinear(size, operation, permissions);          break;      // Unknown ControlMemory operation diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp index 74a93b1d9..e1c2580ff 100644 --- a/src/core/mem_map.cpp +++ b/src/core/mem_map.cpp @@ -18,7 +18,7 @@ static MemArena arena;                       ///< The MemArena class  u8* g_exefs_code                = nullptr;   ///< ExeFS:/.code is loaded here  u8* g_system_mem                = nullptr;   ///< System memory  u8* g_heap                      = nullptr;   ///< Application heap (main memory) -u8* g_heap_gsp                  = nullptr;   ///< GSP heap (main memory) +u8* g_heap_linear               = nullptr;   ///< Linear heap  u8* g_vram                      = nullptr;   ///< Video memory (VRAM) pointer  u8* g_shared_mem                = nullptr;   ///< Shared memory  u8* g_kernel_mem;                              ///< Kernel memory @@ -36,13 +36,13 @@ static u8* physical_kernel_mem;              ///< Kernel memory  // We don't declare the IO region in here since its handled by other means.  static MemoryView g_views[] = { -    {&g_exefs_code, &physical_exefs_code, EXEFS_CODE_VADDR,       EXEFS_CODE_SIZE,    0}, -    {&g_vram,       &physical_vram,       VRAM_VADDR,             VRAM_SIZE,          0}, -    {&g_heap,       &physical_fcram,      HEAP_VADDR,             HEAP_SIZE,          MV_IS_PRIMARY_RAM}, -    {&g_shared_mem, &physical_shared_mem, SHARED_MEMORY_VADDR,    SHARED_MEMORY_SIZE, 0}, -    {&g_system_mem, &physical_system_mem, SYSTEM_MEMORY_VADDR,    SYSTEM_MEMORY_SIZE,    0}, -    {&g_kernel_mem, &physical_kernel_mem, KERNEL_MEMORY_VADDR,    KERNEL_MEMORY_SIZE, 0}, -    {&g_heap_gsp,   &physical_heap_gsp,   HEAP_GSP_VADDR,         HEAP_GSP_SIZE,      0}, +    {&g_exefs_code,     &physical_exefs_code,   EXEFS_CODE_VADDR,       EXEFS_CODE_SIZE,    0}, +    {&g_vram,           &physical_vram,         VRAM_VADDR,             VRAM_SIZE,          0}, +    {&g_heap,           &physical_fcram,        HEAP_VADDR,             HEAP_SIZE,          MV_IS_PRIMARY_RAM}, +    {&g_shared_mem,     &physical_shared_mem,   SHARED_MEMORY_VADDR,    SHARED_MEMORY_SIZE, 0}, +    {&g_system_mem,     &physical_system_mem,   SYSTEM_MEMORY_VADDR,    SYSTEM_MEMORY_SIZE, 0}, +    {&g_kernel_mem,     &physical_kernel_mem,   KERNEL_MEMORY_VADDR,    KERNEL_MEMORY_SIZE, 0}, +    {&g_heap_linear,    &physical_heap_gsp,     HEAP_LINEAR_VADDR,      HEAP_LINEAR_SIZE,   0},  };  /*static MemoryView views[] = diff --git a/src/core/mem_map.h b/src/core/mem_map.h index f17afb60d..7b750f848 100644 --- a/src/core/mem_map.h +++ b/src/core/mem_map.h @@ -57,11 +57,11 @@ enum : u32 {      HEAP_VADDR              = 0x08000000,      HEAP_VADDR_END          = (HEAP_VADDR + HEAP_SIZE), -    HEAP_GSP_SIZE           = 0x02000000,   ///< GSP heap size... TODO: Define correctly? -    HEAP_GSP_VADDR          = 0x14000000, -    HEAP_GSP_VADDR_END      = (HEAP_GSP_VADDR + HEAP_GSP_SIZE), -    HEAP_GSP_PADDR          = 0x00000000, -    HEAP_GSP_PADDR_END      = (HEAP_GSP_PADDR + HEAP_GSP_SIZE), +    HEAP_LINEAR_SIZE        = 0x08000000,   ///< Linear heap size... TODO: Define correctly? +    HEAP_LINEAR_VADDR       = 0x14000000, +    HEAP_LINEAR_VADDR_END   = (HEAP_LINEAR_VADDR + HEAP_LINEAR_SIZE), +    HEAP_LINEAR_PADDR       = 0x00000000, +    HEAP_LINEAR_PADDR_END   = (HEAP_LINEAR_PADDR + HEAP_LINEAR_SIZE),      HARDWARE_IO_SIZE        = 0x01000000,      HARDWARE_IO_PADDR       = 0x10000000,                       ///< IO physical address start @@ -112,7 +112,7 @@ extern u8 *g_base;  // These are guaranteed to point to "low memory" addresses (sub-32-bit).  // 64-bit: Pointers to low-mem (sub-0x10000000) mirror  // 32-bit: Same as the corresponding physical/virtual pointers. -extern u8* g_heap_gsp;      ///< GSP heap (main memory) +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 @@ -159,7 +159,7 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions);   * @param operation Memory map operation type   * @param permissions Control memory permissions   */ -u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions); +u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions);  inline const char* GetCharPointer(const VAddr address) {      return (const char *)GetPointer(address); diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp index 1887bcedb..b78821a3b 100644 --- a/src/core/mem_map_funcs.cpp +++ b/src/core/mem_map_funcs.cpp @@ -13,7 +13,7 @@  namespace Memory {  static std::map<u32, MemoryBlock> heap_map; -static std::map<u32, MemoryBlock> heap_gsp_map; +static std::map<u32, MemoryBlock> heap_linear_map;  static std::map<u32, MemoryBlock> shared_map;  /// Convert a physical address to virtual address @@ -67,9 +67,9 @@ inline void Read(T &var, const VAddr vaddr) {      } else if ((vaddr >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {          var = *((const T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR]); -    // FCRAM - GSP heap -    } else if ((vaddr >= HEAP_GSP_VADDR) && (vaddr < HEAP_GSP_VADDR_END)) { -        var = *((const T*)&g_heap_gsp[vaddr - HEAP_GSP_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]);      // FCRAM - application heap      } else if ((vaddr >= HEAP_VADDR)  && (vaddr < HEAP_VADDR_END)) { @@ -112,9 +112,9 @@ inline void Write(const VAddr vaddr, const T data) {      } else if ((vaddr >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {          *(T*)&g_exefs_code[vaddr - EXEFS_CODE_VADDR] = data; -    // FCRAM - GSP heap -    } else if ((vaddr >= HEAP_GSP_VADDR)  && (vaddr < HEAP_GSP_VADDR_END)) { -        *(T*)&g_heap_gsp[vaddr - HEAP_GSP_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;      // FCRAM - application heap      } else if ((vaddr >= HEAP_VADDR)  && (vaddr < HEAP_VADDR_END)) { @@ -154,9 +154,9 @@ u8 *GetPointer(const VAddr vaddr) {      } else if ((vaddr >= EXEFS_CODE_VADDR)  && (vaddr < EXEFS_CODE_VADDR_END)) {          return g_exefs_code + (vaddr - EXEFS_CODE_VADDR); -    // FCRAM - GSP heap -    } else if ((vaddr >= HEAP_GSP_VADDR)  && (vaddr < HEAP_GSP_VADDR_END)) { -        return g_heap_gsp + (vaddr - HEAP_GSP_VADDR); +    // FCRAM - linear heap +    } else if ((vaddr >= HEAP_LINEAR_VADDR)  && (vaddr < HEAP_LINEAR_VADDR_END)) { +        return g_heap_linear + (vaddr - HEAP_LINEAR_VADDR);      // FCRAM - application heap      } else if ((vaddr >= HEAP_VADDR)  && (vaddr < HEAP_VADDR_END)) { @@ -204,24 +204,24 @@ u32 MapBlock_Heap(u32 size, u32 operation, u32 permissions) {  }  /** - * Maps a block of memory on the GSP heap + * Maps a block of memory on the linear heap   * @param size Size of block in bytes   * @param operation Memory map operation type   * @param flags Memory allocation flags   */ -u32 MapBlock_HeapGSP(u32 size, u32 operation, u32 permissions) { +u32 MapBlock_HeapLinear(u32 size, u32 operation, u32 permissions) {      MemoryBlock block; -    block.base_address  = HEAP_GSP_VADDR; +    block.base_address  = HEAP_LINEAR_VADDR;      block.size          = size;      block.operation     = operation;      block.permissions   = permissions; -    if (heap_gsp_map.size() > 0) { -        const MemoryBlock last_block = heap_gsp_map.rbegin()->second; +    if (heap_linear_map.size() > 0) { +        const MemoryBlock last_block = heap_linear_map.rbegin()->second;          block.address = last_block.address + last_block.size;      } -    heap_gsp_map[block.GetVirtualAddress()] = block; +    heap_linear_map[block.GetVirtualAddress()] = block;      return block.GetVirtualAddress();  } diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 8bac178ca..4c3791ad9 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -116,7 +116,7 @@ struct Regs {          u32 address;          u32 GetPhysicalAddress() const { -            return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_GSP_VADDR; +            return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR;          }          // texture1 and texture2 store the texture format directly after the address @@ -312,7 +312,7 @@ struct Regs {          inline u32 GetBaseAddress() const {              // TODO: Ugly, should fix PhysicalToVirtualAddress instead -            return DecodeAddressRegister(base_address) - Memory::FCRAM_PADDR + Memory::HEAP_GSP_VADDR; +            return DecodeAddressRegister(base_address) - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR;          }          // Descriptor for internal vertex attributes  | 
