diff options
Diffstat (limited to 'source/os_specific/service_layers/osefixf.c')
| -rw-r--r-- | source/os_specific/service_layers/osefixf.c | 696 |
1 files changed, 2 insertions, 694 deletions
diff --git a/source/os_specific/service_layers/osefixf.c b/source/os_specific/service_layers/osefixf.c index 1947197e1..b3da80b8f 100644 --- a/source/os_specific/service_layers/osefixf.c +++ b/source/os_specific/service_layers/osefixf.c @@ -121,53 +121,17 @@ ACPI_MODULE_NAME ("osefixf") -/* Local definitions */ - -#define ACPI_EFI_PRINT_LENGTH 256 - - /* Local prototypes */ -static ACPI_STATUS -AcpiEfiArgify ( - char *String, - int *ArgcPtr, - char ***ArgvPtr); - static BOOLEAN AcpiEfiCompareGuid ( EFI_GUID *Guid1, EFI_GUID *Guid2); -static ACPI_STATUS -AcpiEfiConvertArgcv ( - CHAR16 *LoadOpt, - UINT32 LoadOptSize, - int *ArgcPtr, - char ***ArgvPtr, - char **BufferPtr); - static ACPI_PHYSICAL_ADDRESS AcpiEfiGetRsdpViaGuid ( EFI_GUID *Guid); -static CHAR16 * -AcpiEfiFlushFile ( - ACPI_FILE File, - CHAR16 *Begin, - CHAR16 *End, - CHAR16 *Pos, - BOOLEAN FlushAll); - - -/* Local variables */ - -static EFI_FILE_HANDLE AcpiGbl_EfiCurrentVolume = NULL; -EFI_GUID AcpiGbl_LoadedImageProtocol = LOADED_IMAGE_PROTOCOL; -EFI_GUID AcpiGbl_TextInProtocol = SIMPLE_TEXT_INPUT_PROTOCOL; -EFI_GUID AcpiGbl_TextOutProtocol = SIMPLE_TEXT_OUTPUT_PROTOCOL; -EFI_GUID AcpiGbl_FileSystemProtocol = SIMPLE_FILE_SYSTEM_PROTOCOL; - /****************************************************************************** * @@ -376,7 +340,8 @@ AcpiOsAllocate ( EfiLoaderData, Size, &Mem); if (EFI_ERROR (EfiStatus)) { - AcpiLogError ("EFI_BOOT_SERVICES->AllocatePool(EfiLoaderData) failure.\n"); + fprintf (stderr, + "EFI_BOOT_SERVICES->AllocatePool(EfiLoaderData) failure.\n"); return (NULL); } @@ -436,352 +401,6 @@ AcpiOsFree ( } -/******************************************************************************* - * - * FUNCTION: AcpiOsOpenFile - * - * PARAMETERS: Path - File path - * Modes - File operation type - * - * RETURN: File descriptor - * - * DESCRIPTION: Open a file for reading (ACPI_FILE_READING) or/and writing - * (ACPI_FILE_WRITING). - * - ******************************************************************************/ - -ACPI_FILE -AcpiOsOpenFile ( - const char *Path, - UINT8 Modes) -{ - EFI_STATUS EfiStatus = EFI_SUCCESS; - UINT64 OpenModes; - EFI_FILE_HANDLE EfiFile = NULL; - CHAR16 *Path16 = NULL; - CHAR16 *Pos16; - const char *Pos; - INTN Count, i; - - - if (!Path) - { - return (NULL); - } - - /* Convert modes */ - - OpenModes = EFI_FILE_MODE_READ; - if (Modes & ACPI_FILE_WRITING) - { - OpenModes |= (EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE); - } - - /* Allocate path buffer */ - - Count = strlen (Path); - Path16 = ACPI_ALLOCATE_ZEROED ((Count + 1) * sizeof (CHAR16)); - if (!Path16) - { - EfiStatus = EFI_BAD_BUFFER_SIZE; - goto ErrorExit; - } - Pos = Path; - Pos16 = Path16; - while (*Pos == '/' || *Pos == '\\') - { - Pos++; - Count--; - } - for (i = 0; i < Count; i++) - { - if (*Pos == '/') - { - *Pos16++ = '\\'; - Pos++; - } - else - { - *Pos16++ = *Pos++; - } - } - *Pos16 = '\0'; - - EfiStatus = uefi_call_wrapper (AcpiGbl_EfiCurrentVolume->Open, 5, - AcpiGbl_EfiCurrentVolume, &EfiFile, Path16, OpenModes, 0); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_FILE_HANDLE->Open() failure.\n"); - goto ErrorExit; - } - -ErrorExit: - - if (Path16) - { - ACPI_FREE (Path16); - } - - return ((ACPI_FILE) EfiFile); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiOsCloseFile - * - * PARAMETERS: File - File descriptor - * - * RETURN: None. - * - * DESCRIPTION: Close a file. - * - ******************************************************************************/ - -void -AcpiOsCloseFile ( - ACPI_FILE File) -{ - EFI_FILE_HANDLE EfiFile; - - - if (File == ACPI_FILE_OUT || - File == ACPI_FILE_ERR) - { - return; - } - EfiFile = (EFI_FILE_HANDLE) File; - (void) uefi_call_wrapper (AcpiGbl_EfiCurrentVolume->Close, 1, EfiFile); - - return; -} - - -/******************************************************************************* - * - * FUNCTION: AcpiOsReadFile - * - * PARAMETERS: File - File descriptor - * Buffer - Data buffer - * Size - Data block size - * Count - Number of data blocks - * - * RETURN: Size of successfully read buffer - * - * DESCRIPTION: Read from a file. - * - ******************************************************************************/ - -int -AcpiOsReadFile ( - ACPI_FILE File, - void *Buffer, - ACPI_SIZE Size, - ACPI_SIZE Count) -{ - int Length = -1; - EFI_FILE_HANDLE EfiFile; - UINTN ReadSize; - EFI_STATUS EfiStatus; - - - if (File == ACPI_FILE_OUT || - File == ACPI_FILE_ERR) - { - } - else - { - EfiFile = (EFI_FILE_HANDLE) File; - if (!EfiFile) - { - goto ErrorExit; - } - ReadSize = Size * Count; - - EfiStatus = uefi_call_wrapper (AcpiGbl_EfiCurrentVolume->Read, 3, - EfiFile, &ReadSize, Buffer); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_FILE_HANDLE->Read() failure.\n"); - goto ErrorExit; - } - Length = ReadSize; - } - -ErrorExit: - - return (Length); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiEfiFlushFile - * - * PARAMETERS: File - File descriptor - * Begin - String with boundary - * End - Boundary of the string - * Pos - Current position - * FlushAll - Whether checking boundary before flushing - * - * RETURN: Updated position - * - * DESCRIPTION: Flush cached buffer to the file. - * - ******************************************************************************/ - -static CHAR16 * -AcpiEfiFlushFile ( - ACPI_FILE File, - CHAR16 *Begin, - CHAR16 *End, - CHAR16 *Pos, - BOOLEAN FlushAll) -{ - - if (FlushAll || Pos >= (End - 1)) - { - *Pos = 0; - uefi_call_wrapper (File->OutputString, 2, File, Begin); - Pos = Begin; - } - - return (Pos); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiOsWriteFile - * - * PARAMETERS: File - File descriptor - * Buffer - Data buffer - * Size - Data block size - * Count - Number of data blocks - * - * RETURN: Size of successfully written buffer - * - * DESCRIPTION: Write to a file. - * - ******************************************************************************/ - -int -AcpiOsWriteFile ( - ACPI_FILE File, - void *Buffer, - ACPI_SIZE Size, - ACPI_SIZE Count) -{ - int Length = -1; - CHAR16 String[ACPI_EFI_PRINT_LENGTH]; - const char *Ascii; - CHAR16 *End; - CHAR16 *Pos; - int i, j; - EFI_FILE_HANDLE EfiFile; - UINTN WriteSize; - EFI_STATUS EfiStatus; - - - if (File == ACPI_FILE_OUT || - File == ACPI_FILE_ERR) - { - Pos = String; - End = String + ACPI_EFI_PRINT_LENGTH - 1; - Ascii = ACPI_CAST_PTR (const char, Buffer); - Length = 0; - - for (j = 0; j < Count; j++) - { - for (i = 0; i < Size; i++) - { - if (*Ascii == '\n') - { - *Pos++ = '\r'; - Pos = AcpiEfiFlushFile (File, String, - End, Pos, FALSE); - } - *Pos++ = *Ascii++; - Length++; - Pos = AcpiEfiFlushFile (File, String, - End, Pos, FALSE); - } - } - Pos = AcpiEfiFlushFile (File, String, End, Pos, TRUE); - } - else - { - EfiFile = (EFI_FILE_HANDLE) File; - if (!EfiFile) - { - goto ErrorExit; - } - WriteSize = Size * Count; - - EfiStatus = uefi_call_wrapper (AcpiGbl_EfiCurrentVolume->Write, 3, - EfiFile, &WriteSize, Buffer); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_FILE_HANDLE->Write() failure.\n"); - goto ErrorExit; - } - Length = WriteSize; - } - -ErrorExit: - - return (Length); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiOsGetFileOffset - * - * PARAMETERS: File - File descriptor - * - * RETURN: Size of current position - * - * DESCRIPTION: Get current file offset. - * - ******************************************************************************/ - -long -AcpiOsGetFileOffset ( - ACPI_FILE File) -{ - long Offset = -1; - - - return (Offset); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiOsSetFileOffset - * - * PARAMETERS: File - File descriptor - * Offset - File offset - * From - From begin/end of file - * - * RETURN: Status - * - * DESCRIPTION: Set current file offset. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiOsSetFileOffset ( - ACPI_FILE File, - long Offset, - UINT8 From) -{ - - return (AE_SUPPORT); -} - - /****************************************************************************** * * FUNCTION: AcpiOsPrintf @@ -850,314 +469,3 @@ AcpiOsInitialize ( return (AE_OK); } - - -/****************************************************************************** - * - * FUNCTION: AcpiEfiArgify - * - * PARAMETERS: String - Pointer to command line argument strings - * which are seperated with spaces - * ArgcPtr - Return number of the arguments - * ArgvPtr - Return vector of the arguments - * - * RETURN: Status - * - * DESCRIPTION: Convert EFI arguments into C arguments. - * - *****************************************************************************/ - -static ACPI_STATUS -AcpiEfiArgify ( - char *String, - int *ArgcPtr, - char ***ArgvPtr) -{ - char *CopyBuffer; - int MaxArgc = *ArgcPtr; - int Argc = 0; - char **Argv = *ArgvPtr; - char *Arg; - BOOLEAN IsSingleQuote = FALSE; - BOOLEAN IsDoubleQuote = FALSE; - BOOLEAN IsEscape = FALSE; - - - if (String == NULL) - { - return (AE_BAD_PARAMETER); - } - - CopyBuffer = String; - - while (*String != '\0') - { - while (isspace (*String)) - { - *String++ = '\0'; - } - Arg = CopyBuffer; - while (*String != '\0') - { - if (isspace (*String) && - !IsSingleQuote && !IsDoubleQuote && !IsEscape) - { - *Arg++ = '\0'; - String++; - break; - } - if (IsEscape) - { - IsEscape = FALSE; - *Arg++ = *String; - } - else if (*String == '\\') - { - IsEscape = TRUE; - } - else if (IsSingleQuote) - { - if (*String == '\'') - { - IsSingleQuote = FALSE; - *Arg++ = '\0'; - } - else - { - *Arg++ = *String; - } - } - else if (IsDoubleQuote) - { - if (*String == '"') - { - IsDoubleQuote = FALSE; - *Arg = '\0'; - } - else - { - *Arg++ = *String; - } - } - else - { - if (*String == '\'') - { - IsSingleQuote = TRUE; - } - else if (*String == '"') - { - IsDoubleQuote = TRUE; - } - else - { - *Arg++ = *String; - } - } - String++; - } - if (Argv && Argc < MaxArgc) - { - Argv[Argc] = CopyBuffer; - } - Argc++; - CopyBuffer = Arg; - } - if (Argv && Argc < MaxArgc) - { - Argv[Argc] = NULL; - } - - *ArgcPtr = Argc; - *ArgvPtr = Argv; - - return ((MaxArgc < Argc) ? AE_NO_MEMORY : AE_OK); -} - - -/****************************************************************************** - * - * FUNCTION: AcpiEfiConvertArgcv - * - * PARAMETERS: LoadOptions - Pointer to the EFI options buffer, which - * is NULL terminated - * LoadOptionsSize - Size of the EFI options buffer - * ArgcPtr - Return number of the arguments - * ArgvPtr - Return vector of the arguments - * BufferPtr - Buffer to contain the argument strings - * - * RETURN: Status - * - * DESCRIPTION: Convert EFI arguments into C arguments. - * - *****************************************************************************/ - -static ACPI_STATUS -AcpiEfiConvertArgcv ( - CHAR16 *LoadOptions, - UINT32 LoadOptionsSize, - int *ArgcPtr, - char ***ArgvPtr, - char **BufferPtr) -{ - ACPI_STATUS Status = AE_OK; - UINT32 Count = LoadOptionsSize / sizeof (CHAR16); - UINT32 i; - CHAR16 *From; - char *To; - int Argc = 0; - char **Argv = NULL; - char *Buffer; - - - /* Prepare a buffer to contain the argument strings */ - - Buffer = ACPI_ALLOCATE_ZEROED (Count); - if (!Buffer) - { - Status = AE_NO_MEMORY; - goto ErrorExit; - } - -TryAgain: - - /* Extend the argument vector */ - - if (Argv) - { - ACPI_FREE (Argv); - Argv = NULL; - } - if (Argc > 0) - { - Argv = ACPI_ALLOCATE_ZEROED (sizeof (char *) * (Argc + 1)); - if (!Argv) - { - Status = AE_NO_MEMORY; - goto ErrorExit; - } - } - - /* - * Note: As AcpiEfiArgify() will modify the content of the buffer, so - * we need to restore it each time before invoking - * AcpiEfiArgify(). - */ - From = LoadOptions; - To = ACPI_CAST_PTR (char, Buffer); - for (i = 0; i < Count; i++) - { - *To++ = (char) *From++; - } - - /* - * The "Buffer" will contain NULL terminated strings after invoking - * AcpiEfiArgify(). The number of the strings are saved in Argc and the - * pointers of the strings are saved in Argv. - */ - Status = AcpiEfiArgify (Buffer, &Argc, &Argv); - if (ACPI_FAILURE (Status)) - { - if (Status == AE_NO_MEMORY) - { - goto TryAgain; - } - } - -ErrorExit: - - if (ACPI_FAILURE (Status)) - { - ACPI_FREE (Buffer); - ACPI_FREE (Argv); - } - else - { - *ArgcPtr = Argc; - *ArgvPtr = Argv; - *BufferPtr = Buffer; - } - return (Status); -} - - -/****************************************************************************** - * - * FUNCTION: efi_main - * - * PARAMETERS: Image - EFI image handle - * SystemTab - EFI system table - * - * RETURN: EFI Status - * - * DESCRIPTION: Entry point of EFI executable - * - *****************************************************************************/ - -EFI_STATUS -efi_main ( - EFI_HANDLE Image, - EFI_SYSTEM_TABLE *SystemTab) -{ - EFI_LOADED_IMAGE *Info; - EFI_STATUS EfiStatus = EFI_SUCCESS; - ACPI_STATUS Status; - int argc; - char **argv = NULL; - char *OptBuffer = NULL; - EFI_FILE_IO_INTERFACE *Volume = NULL; - - - /* Initialize global variables */ - - ST = SystemTab; - BS = SystemTab->BootServices; - - /* Retrieve image information */ - - EfiStatus = uefi_call_wrapper (BS->HandleProtocol, 3, - Image, &AcpiGbl_LoadedImageProtocol, ACPI_CAST_PTR (VOID, &Info)); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_BOOT_SERVICES->HandleProtocol(LoadedImageProtocol) failure.\n"); - return (EfiStatus); - } - - EfiStatus = uefi_call_wrapper (BS->HandleProtocol, 3, - Info->DeviceHandle, &AcpiGbl_FileSystemProtocol, (void **) &Volume); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_BOOT_SERVICES->HandleProtocol(FileSystemProtocol) failure.\n"); - return (EfiStatus); - } - EfiStatus = uefi_call_wrapper (Volume->OpenVolume, 2, - Volume, &AcpiGbl_EfiCurrentVolume); - if (EFI_ERROR (EfiStatus)) - { - AcpiLogError ("EFI_FILE_IO_INTERFACE->OpenVolume() failure.\n"); - return (EfiStatus); - } - - Status = AcpiEfiConvertArgcv (Info->LoadOptions, - Info->LoadOptionsSize, &argc, &argv, &OptBuffer); - if (ACPI_FAILURE (Status)) - { - EfiStatus = EFI_DEVICE_ERROR; - goto ErrorAlloc; - } - - acpi_main (argc, argv); - -ErrorAlloc: - - if (argv) - { - ACPI_FREE (argv); - } - if (OptBuffer) - { - ACPI_FREE (OptBuffer); - } - - return (EfiStatus); -} |