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|
/******************************************************************************
*
* Module Name: acpixtract - convert ascii ACPI tables to binary
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
/* Note: This is a 32-bit program only */
#define VERSION 0x20100107
#define FIND_HEADER 0
#define EXTRACT_DATA 1
#define BUFFER_SIZE 256
/* Local prototypes */
void
CheckAscii (
char *Name,
int Count);
void
NormalizeSignature (
char *Signature);
unsigned int
GetNextInstance (
char *InputPathname,
char *Signature);
int
ExtractTables (
char *InputPathname,
char *Signature,
unsigned int MinimumInstances);
size_t
GetTableHeader (
FILE *InputFile,
unsigned char *OutputData);
unsigned int
CountTableInstances (
char *InputPathname,
char *Signature);
int
ListTables (
char *InputPathname);
size_t
ConvertLine (
char *InputLine,
unsigned char *OutputData);
void
DisplayUsage (
void);
typedef struct acpi_table_header
{
char Signature[4];
int Length;
unsigned char Revision;
unsigned char Checksum;
char OemId[6];
char OemTableId[8];
int OemRevision;
char AslCompilerId[4];
int AslCompilerRevision;
} ACPI_TABLE_HEADER;
struct TableInfo
{
unsigned int Signature;
unsigned int Instances;
unsigned int NextInstance;
struct TableInfo *Next;
};
struct TableInfo *ListHead = NULL;
char Filename[16];
unsigned char Data[16];
/******************************************************************************
*
* FUNCTION: DisplayUsage
*
* DESCRIPTION: Usage message
*
******************************************************************************/
void
DisplayUsage (
void)
{
printf ("Usage: acpixtract [option] <InputFile>\n");
printf ("\nExtract binary ACPI tables from text acpidump output\n");
printf ("Default invocation extracts all DSDTs and SSDTs\n");
printf ("Version %8.8X\n\n", VERSION);
printf ("Options:\n");
printf (" -a Extract all tables, not just DSDT/SSDT\n");
printf (" -l List table summaries, do not extract\n");
printf (" -s<Signature> Extract all tables named <Signature>\n");
printf ("\n");
}
/*******************************************************************************
*
* FUNCTION: CheckAscii
*
* PARAMETERS: Name - Ascii string, at least as long as Count
* Count - Number of characters to check
*
* RETURN: None
*
* DESCRIPTION: Ensure that the requested number of characters are printable
* Ascii characters. Sets non-printable and null chars to <space>.
*
******************************************************************************/
void
CheckAscii (
char *Name,
int Count)
{
int i;
for (i = 0; i < Count; i++)
{
if (!Name[i] || !isprint ((int) Name[i]))
{
Name[i] = ' ';
}
}
}
/*******************************************************************************
*
* FUNCTION: NormalizeSignature
*
* PARAMETERS: Name - Ascii string containing an ACPI signature
*
* RETURN: None
*
* DESCRIPTION: Change "RSD PTR" to "RSDP"
*
******************************************************************************/
void
NormalizeSignature (
char *Signature)
{
if (!strncmp (Signature, "RSD ", 4))
{
Signature[3] = 'P';
}
}
/******************************************************************************
*
* FUNCTION: ConvertLine
*
* PARAMETERS: InputLine - One line from the input acpidump file
* OutputData - Where the converted data is returned
*
* RETURN: The number of bytes actually converted
*
* DESCRIPTION: Convert one line of ascii text binary (up to 16 bytes)
*
******************************************************************************/
size_t
ConvertLine (
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;
/*
* Convert one line of table data, of the form:
* <offset>: <up to 16 bytes of hex data> <ASCII representation> <newline>
*
* Example:
* 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",
&Converted[0], &Converted[1], &Converted[2], &Converted[3],
&Converted[4], &Converted[5], &Converted[6], &Converted[7],
&Converted[8], &Converted[9], &Converted[10], &Converted[11],
&Converted[12], &Converted[13], &Converted[14], &Converted[15]);
/* Pack converted data into a byte array */
for (i = 0; i < BytesConverted; i++)
{
OutputData[i] = (unsigned char) Converted[i];
}
return ((size_t) BytesConverted);
}
/******************************************************************************
*
* FUNCTION: GetTableHeader
*
* 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
GetTableHeader (
FILE *InputFile,
unsigned char *OutputData)
{
size_t BytesConverted;
size_t TotalConverted = 0;
char Buffer[BUFFER_SIZE];
int i;
/* Get the full 36 byte header, requires 3 lines */
for (i = 0; i < 3; i++)
{
if (!fgets (Buffer, BUFFER_SIZE, InputFile))
{
return (TotalConverted);
}
BytesConverted = ConvertLine (Buffer, OutputData);
TotalConverted += BytesConverted;
OutputData += 16;
if (BytesConverted != 16)
{
return (TotalConverted);
}
}
return (TotalConverted);
}
/******************************************************************************
*
* FUNCTION: CountTableInstances
*
* PARAMETERS: InputPathname - Filename for acpidump file
* Signature - Requested signature to count
*
* RETURN: The number of instances of the signature
*
* DESCRIPTION: Count the instances of tables with the given signature within
* the input acpidump file.
*
******************************************************************************/
unsigned int
CountTableInstances (
char *InputPathname,
char *Signature)
{
char Buffer[BUFFER_SIZE];
FILE *InputFile;
unsigned int Instances = 0;
InputFile = fopen (InputPathname, "rt");
if (!InputFile)
{
printf ("Could not open %s\n", InputPathname);
return (0);
}
/* Count the number of instances of this signature */
while (fgets (Buffer, BUFFER_SIZE, InputFile))
{
/* Ignore empty lines and lines that start with a space */
if ((Buffer[0] == ' ') ||
(Buffer[0] == '\n'))
{
continue;
}
NormalizeSignature (Buffer);
if (!strncmp (Buffer, Signature, 4))
{
Instances++;
}
}
fclose (InputFile);
return (Instances);
}
/******************************************************************************
*
* FUNCTION: GetNextInstance
*
* PARAMETERS: InputPathname - Filename for acpidump file
* Signature - Requested ACPI signature
*
* RETURN: The next instance number for this signature. Zero if this
* is the first instance of this signature.
*
* DESCRIPTION: Get the next instance number of the specified table. If this
* is the first instance of the table, create a new instance
* block. Note: only SSDT and PSDT tables can have multiple
* instances.
*
******************************************************************************/
unsigned int
GetNextInstance (
char *InputPathname,
char *Signature)
{
struct TableInfo *Info;
Info = ListHead;
while (Info)
{
if (*(unsigned int *) Signature == Info->Signature)
{
break;
}
Info = Info->Next;
}
if (!Info)
{
/* Signature not found, create new table info block */
Info = malloc (sizeof (struct TableInfo));
if (!Info)
{
printf ("Could not allocate memory\n");
exit (0);
}
Info->Signature = *(unsigned int *) Signature;
Info->Instances = CountTableInstances (InputPathname, Signature);
Info->NextInstance = 1;
Info->Next = ListHead;
ListHead = Info;
}
if (Info->Instances > 1)
{
return (Info->NextInstance++);
}
return (0);
}
/******************************************************************************
*
* FUNCTION: ExtractTables
*
* PARAMETERS: InputPathname - Filename for acpidump file
* Signature - Requested ACPI signature to extract.
* NULL means extract ALL tables.
* MinimumInstances - Min instances that are acceptable
*
* RETURN: Status
*
* DESCRIPTION: Convert text ACPI tables to binary
*
******************************************************************************/
int
ExtractTables (
char *InputPathname,
char *Signature,
unsigned int MinimumInstances)
{
char Buffer[BUFFER_SIZE];
FILE *InputFile;
FILE *OutputFile = NULL;
size_t BytesWritten;
size_t TotalBytesWritten = 0;
size_t BytesConverted;
unsigned int State = FIND_HEADER;
unsigned int FoundTable = 0;
unsigned int Instances = 0;
unsigned int ThisInstance;
char ThisSignature[4];
int Status = 0;
/* Open input in text mode, output is in binary mode */
InputFile = fopen (InputPathname, "rt");
if (!InputFile)
{
printf ("Could not open %s\n", InputPathname);
return (-1);
}
if (Signature)
{
/* Are there enough instances of the table to continue? */
NormalizeSignature (Signature);
Instances = CountTableInstances (InputPathname, Signature);
if (Instances < MinimumInstances)
{
printf ("Table %s was not found in %s\n", Signature, InputPathname);
Status = -1;
goto CleanupAndExit;
}
if (Instances == 0)
{
goto CleanupAndExit;
}
}
/* Convert all instances of the table to binary */
while (fgets (Buffer, BUFFER_SIZE, InputFile))
{
switch (State)
{
case FIND_HEADER:
/* Ignore empty lines and lines that start with a space */
if ((Buffer[0] == ' ') ||
(Buffer[0] == '\n'))
{
continue;
}
NormalizeSignature (Buffer);
strncpy (ThisSignature, Buffer, 4);
if (Signature)
{
/* Ignore signatures that don't match */
if (strncmp (ThisSignature, Signature, 4))
{
continue;
}
}
/*
* Get the instance number for this signature. Only the
* SSDT and PSDT tables can have multiple instances.
*/
ThisInstance = GetNextInstance (InputPathname, ThisSignature);
/* Build an output filename and create/open the output file */
if (ThisInstance > 0)
{
sprintf (Filename, "%4.4s%u.dat", ThisSignature, ThisInstance);
}
else
{
sprintf (Filename, "%4.4s.dat", ThisSignature);
}
OutputFile = fopen (Filename, "w+b");
if (!OutputFile)
{
printf ("Could not open %s\n", Filename);
Status = -1;
goto CleanupAndExit;
}
State = EXTRACT_DATA;
TotalBytesWritten = 0;
FoundTable = 1;
continue;
case EXTRACT_DATA:
/* Empty line or non-data line terminates the data */
if ((Buffer[0] == '\n') ||
(Buffer[0] != ' '))
{
fclose (OutputFile);
OutputFile = NULL;
State = FIND_HEADER;
printf ("Acpi table [%4.4s] - % 7d bytes written to %s\n",
ThisSignature, TotalBytesWritten, Filename);
continue;
}
/* Convert the ascii data (one line of text) to binary */
BytesConverted = ConvertLine (Buffer, Data);
/* Write the binary data */
BytesWritten = fwrite (Data, 1, BytesConverted, OutputFile);
if (BytesWritten != BytesConverted)
{
printf ("Write error on %s\n", Filename);
fclose (OutputFile);
OutputFile = NULL;
Status = -1;
goto CleanupAndExit;
}
TotalBytesWritten += BytesConverted;
continue;
default:
Status = -1;
goto CleanupAndExit;
}
}
if (!FoundTable)
{
printf ("Table %s was not found in %s\n", Signature, InputPathname);
}
CleanupAndExit:
if (OutputFile)
{
fclose (OutputFile);
if (State == EXTRACT_DATA)
{
/* Received an EOF while extracting data */
printf ("Acpi table [%4.4s] - % 7d bytes written to %s\n",
ThisSignature, TotalBytesWritten, Filename);
}
}
fclose (InputFile);
return (Status);
}
/******************************************************************************
*
* FUNCTION: ListTables
*
* PARAMETERS: InputPathname - Filename for acpidump file
*
* RETURN: Status
*
* DESCRIPTION: Display info for all ACPI tables found in input. Does not
* perform an actual extraction of the tables.
*
******************************************************************************/
int
ListTables (
char *InputPathname)
{
FILE *InputFile;
char Buffer[BUFFER_SIZE];
size_t HeaderSize;
unsigned char Header[48];
int TableCount = 0;
ACPI_TABLE_HEADER *TableHeader = (ACPI_TABLE_HEADER *) (void *) Header;
/* Open input in text mode, output is in binary mode */
InputFile = fopen (InputPathname, "rt");
if (!InputFile)
{
printf ("Could not open %s\n", InputPathname);
return (-1);
}
/* Dump the headers for all tables found in the input file */
printf ("\nSignature Length Revision OemId OemTableId"
" OemRevision CompilerId CompilerRevision\n\n");
while (fgets (Buffer, BUFFER_SIZE, InputFile))
{
/* Ignore empty lines and lines that start with a space */
if ((Buffer[0] == ' ') ||
(Buffer[0] == '\n'))
{
continue;
}
/* Get the 36 byte header and display the fields */
HeaderSize = GetTableHeader (InputFile, Header);
if (HeaderSize < 16)
{
continue;
}
/* RSDP has an oddball signature and header */
if (!strncmp (TableHeader->Signature, "RSD PTR ", 8))
{
CheckAscii ((char *) &Header[9], 6);
printf ("%8.4s \"%6.6s\"\n", "RSDP", &Header[9]);
TableCount++;
continue;
}
/* Minimum size for table with standard header */
if (HeaderSize < 36)
{
continue;
}
/* Signature and Table length */
TableCount++;
printf ("%8.4s % 7d", TableHeader->Signature, TableHeader->Length);
/* FACS has only signature and length */
if (!strncmp (TableHeader->Signature, "FACS", 4))
{
printf ("\n");
continue;
}
/* OEM IDs and Compiler IDs */
CheckAscii (TableHeader->OemId, 6);
CheckAscii (TableHeader->OemTableId, 8);
CheckAscii (TableHeader->AslCompilerId, 4);
printf (" %2.2X \"%6.6s\" \"%8.8s\" %8.8X \"%4.4s\" %8.8X\n",
TableHeader->Revision, TableHeader->OemId,
TableHeader->OemTableId, TableHeader->OemRevision,
TableHeader->AslCompilerId, TableHeader->AslCompilerRevision);
}
printf ("\nFound %u ACPI tables [%8.8X]\n", TableCount, VERSION);
fclose (InputFile);
return (0);
}
/******************************************************************************
*
* FUNCTION: main
*
* DESCRIPTION: C main function
*
******************************************************************************/
int
main (
int argc,
char *argv[])
{
int Status;
if (argc < 2)
{
DisplayUsage ();
return (0);
}
if (argv[1][0] == '-')
{
if (argc < 3)
{
DisplayUsage ();
return (0);
}
switch (argv[1][1])
{
case 'a':
/* Extract all tables found */
return (ExtractTables (argv[2], NULL, 0));
case 'l':
/* List tables only, do not extract */
return (ListTables (argv[2]));
case 's':
/* Extract only tables with this signature */
return (ExtractTables (argv[2], &argv[1][2], 1));
default:
DisplayUsage ();
return (0);
}
}
/*
* Default output is the DSDT and all SSDTs. One DSDT is required,
* any SSDTs are optional.
*/
Status = ExtractTables (argv[1], "DSDT", 1);
if (Status)
{
return (Status);
}
Status = ExtractTables (argv[1], "SSDT", 0);
return (Status);
}
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