diff options
Diffstat (limited to 'source/tools/acpixtract/axutils.c')
| -rw-r--r-- | source/tools/acpixtract/axutils.c | 396 |
1 files changed, 278 insertions, 118 deletions
diff --git a/source/tools/acpixtract/axutils.c b/source/tools/acpixtract/axutils.c index 00882c6fed91..6f887668426e 100644 --- a/source/tools/acpixtract/axutils.c +++ b/source/tools/acpixtract/axutils.c @@ -184,6 +184,70 @@ AxCheckAscii ( } +/******************************************************************************* + * + * FUNCTION: AxIsFileAscii + * + * PARAMETERS: Handle - To open input file + * + * RETURN: TRUE if file is entirely ASCII and printable + * + * DESCRIPTION: Verify that the input file is entirely ASCII. + * + ******************************************************************************/ + +BOOLEAN +AxIsFileAscii ( + FILE *Handle) +{ + UINT8 Byte; + + + /* Read the entire file */ + + fseek (Handle, 0, SEEK_SET); + while (fread (&Byte, 1, 1, Handle) == 1) + { + /* + * Ignore null characters. Some acpidump-type utilities insert + * a few of these, probably a bug in the utility. As long as these + * characters are in lines that are tossed (non-data), they + * won't cause a problem. + */ + if (!Byte) + { + continue; + } + + /* Check for an ASCII character */ + + if (!ACPI_IS_ASCII (Byte)) + { + goto ErrorExit; + } + + /* Ensure character is either printable or a "space" char */ + + else if (!isprint (Byte) && !isspace (Byte)) + { + goto ErrorExit; + } + } + + /* File is OK (100% ASCII) */ + + fseek (Handle, 0, SEEK_SET); + return (TRUE); + +ErrorExit: + + printf ("File appears to be binary " + "(contains non-text or non-ascii characters)\n"); + fseek (Handle, 0, SEEK_SET); + return (FALSE); +} + + /****************************************************************************** * * FUNCTION: AxIsEmptyLine @@ -196,7 +260,7 @@ AxCheckAscii ( * ******************************************************************************/ -int +BOOLEAN AxIsEmptyLine ( char *Buffer) { @@ -219,6 +283,96 @@ AxIsEmptyLine ( } +/****************************************************************************** + * + * FUNCTION: AxIsHexDataLine + * + * PARAMETERS: None + * + * RETURN: Status. 1 if the table header is valid, 0 otherwise. + * + * DESCRIPTION: Check for a valid line of hex data of the form: + * + * 00a0: 0c 00 00 00 03 00 00 00 43 48 41 35 0c 00 00 00 ........CHA5.... + * + ******************************************************************************/ + +BOOLEAN +AxIsHexDataLine ( + void) +{ + + if (AxIsEmptyLine (Gbl_LineBuffer) || + (Gbl_LineBuffer[0] != ' ')) + { + return (FALSE); + } + + if (!strstr (Gbl_LineBuffer, ": ")) + { + /* Not valid data line */ + + return (FALSE); + } + + return (TRUE); +} + + +/****************************************************************************** + * + * FUNCTION: AxIsDataBlockHeader + * + * PARAMETERS: None + * + * RETURN: Status. 1 if the table header is valid, 0 otherwise. + * + * DESCRIPTION: Check if the ACPI table identifier in the input acpidump text + * file is valid (of the form: <sig> @ <addr>). + * + ******************************************************************************/ + +BOOLEAN +AxIsDataBlockHeader ( + void) +{ + + /* Ignore lines that are too short to be header lines */ + + if (strlen (Gbl_LineBuffer) < AX_MIN_BLOCK_HEADER_LENGTH) + { + return (FALSE); + } + + /* Ignore empty lines and lines that start with a space */ + + if (AxIsEmptyLine (Gbl_LineBuffer) || + (Gbl_LineBuffer[0] == ' ')) + { + return (FALSE); + } + + /* + * Ignore lines that are not headers of the form <sig> @ <addr>. + * Basically, just look for the '@' symbol, surrounded by spaces. + * + * Examples of headers that must be supported: + * + * DSDT @ 0x737e4000 + * XSDT @ 0x737f2fff + * RSD PTR @ 0xf6cd0 + * SSDT @ (nil) + */ + if (!AX_IS_TABLE_BLOCK_HEADER) + { + return (FALSE); + } + + AxNormalizeSignature (Gbl_LineBuffer); + return (TRUE); +} + + /******************************************************************************* * * FUNCTION: AxNormalizeSignature @@ -245,7 +399,7 @@ AxNormalizeSignature ( /****************************************************************************** * - * FUNCTION: AxConvertLine + * FUNCTION: AxConvertToBinary * * PARAMETERS: InputLine - One line from the input acpidump file * OutputData - Where the converted data is returned @@ -254,27 +408,30 @@ AxNormalizeSignature ( * * DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes) * + * NOTE: Assumes the input data line has been validated to be of the form: + * + * 0010: 48 53 57 55 4c 54 2d 52 01 00 00 00 49 4e 54 4c HSWULT-R....INTL + * ******************************************************************************/ size_t -AxConvertLine ( +AxConvertToBinary ( char *InputLine, unsigned char *OutputData) { - char *End; int BytesConverted; int Converted[16]; int i; - /* Terminate the input line at the end of the actual data (for sscanf) */ - - End = strstr (InputLine + 2, " "); - if (!End) - { - return (0); /* Don't understand the format */ - } - *End = 0; + /* + * Terminate input line immediately after the data. Otherwise, the + * second line below will not scan correctly. + * + * 00b0: 03 00 00 00 43 48 41 36 0c 00 00 00 03 00 00 00 ....CHA6........ + * 00c0: 43 48 41 37 CHA7 + */ + InputLine [AX_END_OF_HEX_DATA] = 0; /* * Convert one line of table data, of the form: @@ -284,7 +441,7 @@ AxConvertLine ( * 02C0: 5F 53 42 5F 4C 4E 4B 44 00 12 13 04 0C FF FF 08 _SB_LNKD........ */ BytesConverted = sscanf (InputLine, - "%*s %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x", + "%*s %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X %2X", &Converted[0], &Converted[1], &Converted[2], &Converted[3], &Converted[4], &Converted[5], &Converted[6], &Converted[7], &Converted[8], &Converted[9], &Converted[10], &Converted[11], @@ -303,52 +460,6 @@ AxConvertLine ( /****************************************************************************** * - * FUNCTION: AxGetTableHeader - * - * PARAMETERS: InputFile - Handle for the input acpidump file - * OutputData - Where the table header is returned - * - * RETURN: The actual number of bytes converted - * - * DESCRIPTION: Extract and convert an ACPI table header - * - ******************************************************************************/ - -size_t -AxGetTableHeader ( - FILE *InputFile, - unsigned char *OutputData) -{ - size_t BytesConverted; - size_t TotalConverted = 0; - int i; - - - /* Get the full 36 byte ACPI table header, requires 3 input text lines */ - - for (i = 0; i < 3; i++) - { - if (!fgets (Gbl_HeaderBuffer, AX_LINE_BUFFER_SIZE, InputFile)) - { - return (TotalConverted); - } - - BytesConverted = AxConvertLine (Gbl_HeaderBuffer, OutputData); - TotalConverted += BytesConverted; - OutputData += 16; - - if (BytesConverted != 16) - { - return (TotalConverted); - } - } - - return (TotalConverted); -} - - -/****************************************************************************** - * * FUNCTION: AxCountTableInstances * * PARAMETERS: InputPathname - Filename for acpidump file @@ -467,105 +578,154 @@ AxGetNextInstance ( /****************************************************************************** * - * FUNCTION: AxIsDataBlockHeader + * FUNCTION: AxConvertAndWrite * - * PARAMETERS: None + * PARAMETERS: OutputFile - Where to write the binary data + * ThisSignature - Signature of current ACPI table + * ThisTableBytesWritten - Total count of data written * - * RETURN: Status. 1 if the table header is valid, 0 otherwise. + * RETURN: Length of the converted line * - * DESCRIPTION: Check if the ACPI table identifier in the input acpidump text - * file is valid (of the form: <sig> @ <addr>). + * DESCRIPTION: Convert one line of input hex ascii text to binary, and write + * the binary data to the table output file. + * + * NOTE: Assumes the input data line has been validated to be of the form: + * + * 0010: 48 53 57 55 4c 54 2d 52 01 00 00 00 49 4e 54 4c HSWULT-R....INTL * ******************************************************************************/ -int -AxIsDataBlockHeader ( - void) +long +AxConvertAndWrite ( + FILE *OutputFile, + char *ThisSignature, + unsigned int ThisTableBytesWritten) { + size_t BytesWritten; + size_t BytesConverted; - /* Ignore lines that are too short to be header lines */ - if (strlen (Gbl_LineBuffer) < AX_MIN_BLOCK_HEADER_LENGTH) - { - return (0); - } + /* Convert one line of ascii hex data to binary */ - /* Ignore empty lines and lines that start with a space */ + BytesConverted = AxConvertToBinary (Gbl_LineBuffer, Gbl_BinaryData); - if (AxIsEmptyLine (Gbl_LineBuffer) || - (Gbl_LineBuffer[0] == ' ')) + /* Write the binary data */ + + if (!BytesConverted) { return (0); } - /* - * Ignore lines that are not headers of the form <sig> @ <addr>. - * Basically, just look for the '@' symbol, surrounded by spaces. - * - * Examples of headers that must be supported: - * - * DSDT @ 0x737e4000 - * XSDT @ 0x737f2fff - * RSD PTR @ 0xf6cd0 - * SSDT @ (nil) - */ - if (!strstr (Gbl_LineBuffer, " @ ")) + BytesWritten = fwrite (Gbl_BinaryData, 1, BytesConverted, OutputFile); + if (BytesWritten != BytesConverted) { - return (0); + printf ("Error while writing file %s\n", Gbl_OutputFilename); + return (-1); } - AxNormalizeSignature (Gbl_LineBuffer); - return (1); + return (BytesWritten); } /****************************************************************************** * - * FUNCTION: AxProcessOneTextLine + * FUNCTION: AxDumpTableHeader * - * PARAMETERS: OutputFile - Where to write the binary data - * ThisSignature - Signature of current ACPI table - * ThisTableBytesWritten - Total count of data written + * PARAMETERS: Header - A binary ACPI table header * - * RETURN: Length of the converted line + * RETURN: None * - * DESCRIPTION: Convert one line of input hex ascii text to binary, and write - * the binary data to the table output file. + * DESCRIPTION: Display the contents of a standard ACPI table header * ******************************************************************************/ -long -AxProcessOneTextLine ( - FILE *OutputFile, - char *ThisSignature, - unsigned int ThisTableBytesWritten) +void +AxDumpTableHeader ( + unsigned char *Header) { - size_t BytesWritten; - size_t BytesConverted; + ACPI_TABLE_HEADER *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header; + ACPI_TABLE_RSDP *Rsdp = (ACPI_TABLE_RSDP *) (void *) Header; + ACPI_TABLE_FACS *Facs = (ACPI_TABLE_FACS *) (void *) Header; - /* Check for the end of this table data block */ + /* RSDP has an oddball signature and header */ - if (AxIsEmptyLine (Gbl_LineBuffer) || - (Gbl_LineBuffer[0] != ' ')) + if (!strncmp (TableHeader->Signature, "RSD PTR ", 8)) { - printf (AX_TABLE_INFO_FORMAT, - ThisSignature, ThisTableBytesWritten, Gbl_OutputFilename); - return (0); + AxCheckAscii ((char *) &Header[9], 6); + + Gbl_TableCount++; + printf (" %.2u) %5.4s 0x%8.8X 0x%2.2X \"%6.6s\"\n", + Gbl_TableCount, "RSDP", Rsdp->Length, Rsdp->Revision, Rsdp->OemId); + return; } - /* Convert one line of ascii hex data to binary */ + if (!AcpiUtValidNameseg (TableHeader->Signature)) + { + return; + } - BytesConverted = AxConvertLine (Gbl_LineBuffer, Gbl_BinaryData); + /* Signature and Table length */ - /* Write the binary data */ + Gbl_TableCount++; + printf (" %.2u) %5.4s 0x%8.8X", Gbl_TableCount, TableHeader->Signature, + TableHeader->Length); - BytesWritten = fwrite (Gbl_BinaryData, 1, BytesConverted, OutputFile); - if (BytesWritten != BytesConverted) + /* FACS has only signature and length */ + + if (ACPI_COMPARE_NAME (TableHeader->Signature, "FACS")) { - printf ("Error while writing file %s\n", Gbl_OutputFilename); - return (-1); + printf (" 0x%2.2X\n", Facs->Version); + return; } - return (BytesWritten); + /* OEM IDs and Compiler IDs */ + + AxCheckAscii (TableHeader->OemId, 6); + AxCheckAscii (TableHeader->OemTableId, 8); + AxCheckAscii (TableHeader->AslCompilerId, 4); + + printf ( + " 0x%2.2X \"%6.6s\" \"%8.8s\" 0x%8.8X" + " \"%4.4s\" 0x%8.8X\n", + TableHeader->Revision, TableHeader->OemId, + TableHeader->OemTableId, TableHeader->OemRevision, + TableHeader->AslCompilerId, TableHeader->AslCompilerRevision); +} + + +#ifdef _AX_FUTURE_ENHANCEMENTS + +/* Possible enhancement to validate table lengths */ + +void +AxCheckTableLengths ( + UINT32 ByteCount, + UINT32 AmlByteCount) +{ + + if (AmlByteCount == 0) + { + return; + } + + if (ByteCount == 0) + { + return; + } + + if ((ByteCount < sizeof (ACPI_TABLE_HEADER)) && + (ByteCount >= ACPI_NAME_SIZE)) + { + printf (" : (Table too short for an ACPI table)"); + } + + else if (ByteCount != AmlByteCount) + { + printf (" : (Hex data length mismatch with AML length 0x%X)", + AmlByteCount); + } + + printf ("\n"); } +#endif |