Example #1
0
/*++

Routine Description:
  Main entry point to SEC for Unix. This is a unix program

Arguments:
  Argc - Number of command line arguments
  Argv - Array of command line argument strings
  Envp - Array of environment variable strings

Returns:
  0 - Normal exit
  1 - Abnormal exit

**/
int
main (
  IN  int   Argc,
  IN  char  **Argv,
  IN  char  **Envp
  )
{
  EFI_STATUS            Status;
  EFI_PHYSICAL_ADDRESS  InitialStackMemory;
  UINT64                InitialStackMemorySize;
  UINTN                 Index;
  UINTN                 Index1;
  UINTN                 Index2;
  UINTN                 PeiIndex;
  CHAR8                 *FileName;
  BOOLEAN               Done;
  EFI_PEI_FILE_HANDLE   FileHandle;
  VOID                  *SecFile;
  CHAR16                *MemorySizeStr;
  CHAR16                *FirmwareVolumesStr;
  UINTN                 *StackPointer;
  FILE                  *GdbTempFile;

  //
  // Xcode does not support sourcing gdb scripts directly, so the Xcode XML
  // has a break point script to source the GdbRun script.
  //
  SecGdbConfigBreak ();

  //
  // If dlopen doesn't work, then we build a gdb script to allow the
  // symbols to be loaded.
  //
  Index = strlen (*Argv);
  gGdbWorkingFileName = AllocatePool (Index + strlen(".gdb") + 1);
  strcpy (gGdbWorkingFileName, *Argv);
  strcat (gGdbWorkingFileName, ".gdb");

  //
  // Empty out the gdb symbols script file.
  //
  GdbTempFile = fopen (gGdbWorkingFileName, "w");
  if (GdbTempFile != NULL) {
    fclose (GdbTempFile);
  }

  printf ("\nEDK II UNIX Host Emulation Environment from http://www.tianocore.org/edk2/\n");

  setbuf (stdout, 0);
  setbuf (stderr, 0);

  MemorySizeStr      = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);
  FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);

  //
  // PPIs pased into PEI_CORE
  //
  AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi);

  SecInitThunkProtocol ();

  //
  // Emulator Bus Driver Thunks
  //
  AddThunkProtocol (&gX11ThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);
  AddThunkProtocol (&gPosixFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);
  AddThunkProtocol (&gBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);
  AddThunkProtocol (&gSnpThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuNetworkInterface), TRUE);

  //
  // Emulator other Thunks
  //
  AddThunkProtocol (&gPthreadThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuApCount), FALSE);

  // EmuSecLibConstructor ();

  gPpiList = GetThunkPpiList ();

  //
  // Allocate space for gSystemMemory Array
  //
  gSystemMemoryCount  = CountSeparatorsInString (MemorySizeStr, '!') + 1;
  gSystemMemory       = AllocateZeroPool (gSystemMemoryCount * sizeof (EMU_SYSTEM_MEMORY));
  if (gSystemMemory == NULL) {
    printf ("ERROR : Can not allocate memory for system.  Exiting.\n");
    exit (1);
  }
  //
  // Allocate space for gSystemMemory Array
  //
  gFdInfoCount  = CountSeparatorsInString (FirmwareVolumesStr, '!') + 1;
  gFdInfo       = AllocateZeroPool (gFdInfoCount * sizeof (EMU_FD_INFO));
  if (gFdInfo == NULL) {
    printf ("ERROR : Can not allocate memory for fd info.  Exiting.\n");
    exit (1);
  }

  printf ("  BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdEmuBootMode));

  //
  // Open up a 128K file to emulate temp memory for SEC.
  //  on a real platform this would be SRAM, or using the cache as RAM.
  //  Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping
  //
  InitialStackMemorySize  = STACK_SIZE;
  InitialStackMemory = (UINTN)MapMemory (
                                0, (UINT32) InitialStackMemorySize,
                                PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS | MAP_PRIVATE
                                );
  if (InitialStackMemory == 0) {
    printf ("ERROR : Can not open SecStack Exiting\n");
    exit (1);
  }

  printf ("  OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n",
    (unsigned int)(InitialStackMemorySize / 1024),
    (unsigned long)InitialStackMemory
    );

  for (StackPointer = (UINTN*) (UINTN) InitialStackMemory;
     StackPointer < (UINTN*)(UINTN)((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize);
     StackPointer ++) {
    *StackPointer = 0x5AA55AA5;
  }

  //
  // Open All the firmware volumes and remember the info in the gFdInfo global
  //
  FileName = (CHAR8 *) AllocatePool (StrLen (FirmwareVolumesStr) + 1);
  if (FileName == NULL) {
    printf ("ERROR : Can not allocate memory for firmware volume string\n");
    exit (1);
  }

  Index2 = 0;
  for (Done = FALSE, Index = 0, PeiIndex = 0, SecFile = NULL;
       FirmwareVolumesStr[Index2] != 0;
       Index++) {
    for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) {
      FileName[Index1++] = FirmwareVolumesStr[Index2];
    }
    if (FirmwareVolumesStr[Index2] == '!') {
      Index2++;
    }
    FileName[Index1]  = '\0';

    if (Index == 0) {
      // Map FV Recovery Read Only and other areas Read/Write
      Status = MapFd0 (
                FileName,
                &gFdInfo[0].Address,
                &gFdInfo[0].Size
                );
    } else {
      //
      // Open the FD and remember where it got mapped into our processes address space
      // Maps Read Only
      //
      Status = MapFile (
                FileName,
                &gFdInfo[Index].Address,
                &gFdInfo[Index].Size
                );
    }
    if (EFI_ERROR (Status)) {
      printf ("ERROR : Can not open Firmware Device File %s (%x).  Exiting.\n", FileName, (unsigned int)Status);
      exit (1);
    }

    printf ("  FD loaded from %s at 0x%08lx",FileName, (unsigned long)gFdInfo[Index].Address);

    if (SecFile == NULL) {
      //
      // Assume the beginning of the FD is an FV and look for the SEC Core.
      // Load the first one we find.
      //
      FileHandle = NULL;
      Status = PeiServicesFfsFindNextFile (
                  EFI_FV_FILETYPE_SECURITY_CORE,
                  (EFI_PEI_FV_HANDLE)(UINTN)gFdInfo[Index].Address,
                  &FileHandle
                  );
      if (!EFI_ERROR (Status)) {
        Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile);
        if (!EFI_ERROR (Status)) {
          PeiIndex = Index;
          printf (" contains SEC Core");
        }
      }
    }

    printf ("\n");
  }

  if (SecFile == NULL) {
    printf ("ERROR : SEC not found!\n");
    exit (1);
  }

  //
  // Calculate memory regions and store the information in the gSystemMemory
  //  global for later use. The autosizing code will use this data to
  //  map this memory into the SEC process memory space.
  //
  Index1 = 0;
  Index = 0;
  while (1) {
    UINTN val = 0;
    //
    // Save the size of the memory.
    //
    while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') {
      val = val * 10 + MemorySizeStr[Index1] - '0';
      Index1++;
    }
    gSystemMemory[Index++].Size = val * 0x100000;
    if (MemorySizeStr[Index1] == 0) {
      break;
    }
    Index1++;
  }

  printf ("\n");

  //
  // Hand off to SEC
  //
  SecLoadFromCore ((UINTN) InitialStackMemory, (UINTN) InitialStackMemorySize, (UINTN) gFdInfo[0].Address, SecFile);

  //
  // If we get here, then the SEC Core returned. This is an error as SEC should
  //  always hand off to PEI Core and then on to DXE Core.
  //
  printf ("ERROR : SEC returned\n");
  exit (1);
}
Example #2
0
INTN
EFIAPI
main (
  IN  INTN  Argc,
  IN  CHAR8 **Argv,
  IN  CHAR8 **Envp
  )
/*++

Routine Description:
  Main entry point to SEC for WinNt. This is a Windows program

Arguments:
  Argc - Number of command line arguments
  Argv - Array of command line argument strings
  Envp - Array of environment variable strings

Returns:
  0 - Normal exit
  1 - Abnormal exit

--*/
{
  EFI_STATUS            Status;
  HANDLE                Token;
  TOKEN_PRIVILEGES      TokenPrivileges;
  VOID                  *TemporaryRam;
  UINT32                TemporaryRamSize;
  VOID                  *EmuMagicPage;
  UINTN                 Index;
  UINTN                 Index1;
  CHAR16                *FileName;
  CHAR16                *FileNamePtr;
  BOOLEAN               Done;
  EFI_PEI_FILE_HANDLE   FileHandle;
  VOID                  *SecFile;
  CHAR16                *MemorySizeStr;
  CHAR16                *FirmwareVolumesStr;
  UINT32                ProcessAffinityMask;
  UINT32                SystemAffinityMask;
  INT32                 LowBit;

  //
  // Enable the privilege so that RTC driver can successfully run SetTime()
  //
  OpenProcessToken (GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &Token);
  if (LookupPrivilegeValue(NULL, SE_TIME_ZONE_NAME, &TokenPrivileges.Privileges[0].Luid)) {
    TokenPrivileges.PrivilegeCount = 1;
    TokenPrivileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
    AdjustTokenPrivileges(Token, FALSE, &TokenPrivileges, 0, (PTOKEN_PRIVILEGES) NULL, 0);
  }

  MemorySizeStr      = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);
  FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);

  SecPrint ("\nEDK II WIN Host Emulation Environment from http://www.tianocore.org/edk2/\n");

  //
  // Determine the first thread available to this process.
  //
  if (GetProcessAffinityMask (GetCurrentProcess (), &ProcessAffinityMask, &SystemAffinityMask)) {
    LowBit = (INT32)LowBitSet32 (ProcessAffinityMask);
    if (LowBit != -1) {
      //
      // Force the system to bind the process to a single thread to work
      // around odd semaphore type crashes.
      //
      SetProcessAffinityMask (GetCurrentProcess (), (INTN)(BIT0 << LowBit));
    }
  }

  //
  // Make some Windows calls to Set the process to the highest priority in the
  //  idle class. We need this to have good performance.
  //
  SetPriorityClass (GetCurrentProcess (), IDLE_PRIORITY_CLASS);
  SetThreadPriority (GetCurrentThread (), THREAD_PRIORITY_HIGHEST);

  SecInitializeThunk ();
  //
  // PPIs pased into PEI_CORE
  //
  AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi);

  //
  // Emulator Bus Driver Thunks
  //
  AddThunkProtocol (&mWinNtWndThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);
  AddThunkProtocol (&mWinNtFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);
  AddThunkProtocol (&mWinNtBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);

  //
  // Allocate space for gSystemMemory Array
  //
  gSystemMemoryCount  = CountSeparatorsInString (MemorySizeStr, '!') + 1;
  gSystemMemory       = calloc (gSystemMemoryCount, sizeof (NT_SYSTEM_MEMORY));
  if (gSystemMemory == NULL) {
    SecPrint ("ERROR : Can not allocate memory for %S.  Exiting.\n", MemorySizeStr);
    exit (1);
  }

  //
  // Allocate space for gSystemMemory Array
  //
  gFdInfoCount  = CountSeparatorsInString (FirmwareVolumesStr, '!') + 1;
  gFdInfo       = calloc (gFdInfoCount, sizeof (NT_FD_INFO));
  if (gFdInfo == NULL) {
    SecPrint ("ERROR : Can not allocate memory for %S.  Exiting.\n", FirmwareVolumesStr);
    exit (1);
  }
  //
  // Setup Boot Mode.
  //
  SecPrint ("  BootMode 0x%02x\n", PcdGet32 (PcdEmuBootMode));

  //
  //  Allocate 128K memory to emulate temp memory for PEI.
  //  on a real platform this would be SRAM, or using the cache as RAM.
  //  Set TemporaryRam to zero so WinNtOpenFile will allocate a new mapping
  //
  TemporaryRamSize = TEMPORARY_RAM_SIZE;
  TemporaryRam     = VirtualAlloc (NULL, (SIZE_T) (TemporaryRamSize), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
  if (TemporaryRam == NULL) {
    SecPrint ("ERROR : Can not allocate enough space for SecStack\n");
    exit (1);
  }
  SetMem32 (TemporaryRam, TemporaryRamSize, PcdGet32 (PcdInitValueInTempStack));

  SecPrint ("  OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n",
    TemporaryRamSize / SIZE_1KB,
    TemporaryRam
    );

  //
  // If enabled use the magic page to communicate between modules
  // This replaces the PI PeiServicesTable pointer mechanism that
  // deos not work in the emulator. It also allows the removal of
  // writable globals from SEC, PEI_CORE (libraries), PEIMs
  //
  EmuMagicPage = (VOID *)(UINTN)(FixedPcdGet64 (PcdPeiServicesTablePage) & MAX_UINTN);
  if (EmuMagicPage != NULL) {
    UINT64  Size;
    Status = WinNtOpenFile (
              NULL,
              SIZE_4KB,
              0,
              &EmuMagicPage,
              &Size
              );
    if (EFI_ERROR (Status)) {
      SecPrint ("ERROR : Could not allocate PeiServicesTablePage @ %p\n", EmuMagicPage);
      return EFI_DEVICE_ERROR;
    }
  }

  //
  // Open All the firmware volumes and remember the info in the gFdInfo global
  // Meanwhile, find the SEC Core.
  //
  FileNamePtr = AllocateCopyPool (StrSize (FirmwareVolumesStr), FirmwareVolumesStr);
  if (FileNamePtr == NULL) {
    SecPrint ("ERROR : Can not allocate memory for firmware volume string\n");
    exit (1);
  }

  for (Done = FALSE, Index = 0, SecFile = NULL; !Done; Index++) {
    FileName = FileNamePtr;
    for (Index1 = 0; (FileNamePtr[Index1] != '!') && (FileNamePtr[Index1] != 0); Index1++)
      ;
    if (FileNamePtr[Index1] == 0) {
      Done = TRUE;
    } else {
      FileNamePtr[Index1]  = '\0';
      FileNamePtr = &FileNamePtr[Index1 + 1];
    }

    //
    // Open the FD and remember where it got mapped into our processes address space
    //
    Status = WinNtOpenFile (
              FileName,
              0,
              OPEN_EXISTING,
              &gFdInfo[Index].Address,
              &gFdInfo[Index].Size
              );
    if (EFI_ERROR (Status)) {
      SecPrint ("ERROR : Can not open Firmware Device File %S (0x%X).  Exiting.\n", FileName, Status);
      exit (1);
    }

    SecPrint ("  FD loaded from %S\n", FileName);

    if (SecFile == NULL) {
      //
      // Assume the beginning of the FD is an FV and look for the SEC Core.
      // Load the first one we find.
      //
      FileHandle = NULL;
      Status = PeiServicesFfsFindNextFile (
                  EFI_FV_FILETYPE_SECURITY_CORE,
                  (EFI_PEI_FV_HANDLE)gFdInfo[Index].Address,
                  &FileHandle
                  );
      if (!EFI_ERROR (Status)) {
        Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile);
        if (!EFI_ERROR (Status)) {
          SecPrint (" contains SEC Core");
        }
      }
    }

    SecPrint ("\n");
  }
  //
  // Calculate memory regions and store the information in the gSystemMemory
  //  global for later use. The autosizing code will use this data to
  //  map this memory into the SEC process memory space.
  //
  for (Index = 0, Done = FALSE; !Done; Index++) {
    //
    // Save the size of the memory and make a Unicode filename SystemMemory00, ...
    //
    gSystemMemory[Index].Size = _wtoi (MemorySizeStr) * SIZE_1MB;

    //
    // Find the next region
    //
    for (Index1 = 0; MemorySizeStr[Index1] != '!' && MemorySizeStr[Index1] != 0; Index1++)
      ;
    if (MemorySizeStr[Index1] == 0) {
      Done = TRUE;
    }

    MemorySizeStr = MemorySizeStr + Index1 + 1;
  }

  SecPrint ("\n");

  //
  // Hand off to SEC Core
  //
  SecLoadSecCore ((UINTN)TemporaryRam, TemporaryRamSize, gFdInfo[0].Address, gFdInfo[0].Size, SecFile);

  //
  // If we get here, then the SEC Core returned. This is an error as SEC should
  //  always hand off to PEI Core and then on to DXE Core.
  //
  SecPrint ("ERROR : SEC returned\n");
  exit (1);
}