unsigned int
AxGetNextInstance (
char *InputPathname,
char *Signature)
{
AX_TABLE_INFO *Info;
Info = Gbl_TableListHead;
while (Info)
{
if (*(UINT32 *) Signature == Info->Signature)
{
break;
}
Info = Info->Next;
}
if (!Info)
{
/* Signature not found, create new table info block */
Info = malloc (sizeof (AX_TABLE_INFO));
if (!Info)
{
printf ("Could not allocate memory (0x%X bytes)\n",
(unsigned int) sizeof (AX_TABLE_INFO));
exit (0);
}
Info->Signature = *(UINT32 *) Signature;
Info->Instances = AxCountTableInstances (InputPathname, Signature);
Info->NextInstance = 1;
Info->Next = Gbl_TableListHead;
Gbl_TableListHead = Info;
}
if (Info->Instances > 1)
{
return (Info->NextInstance++);
}
return (0);
}
int
AxExtractTables (
char *InputPathname,
char *Signature,
unsigned int MinimumInstances)
{
FILE *InputFile;
FILE *OutputFile = NULL;
size_t BytesWritten;
size_t TotalBytesWritten = 0;
size_t BytesConverted;
unsigned int State = AX_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? */
AxNormalizeSignature (Signature);
Instances = AxCountTableInstances (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 (LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
{
switch (State)
{
case AX_STATE_FIND_HEADER:
/* Ignore lines that are too short to be header lines */
if (strlen (LineBuffer) < AX_MIN_TABLE_NAME_LENGTH)
{
continue;
}
/* Ignore empty lines and lines that start with a space */
if ((LineBuffer[0] == ' ') ||
(LineBuffer[0] == '\n'))
{
continue;
}
/*
* Ignore lines that are not of the form <sig> @ <addr>.
* Examples of lines that must be supported:
*
* DSDT @ 0x737e4000
* XSDT @ 0x737f2fff
* RSD PTR @ 0xf6cd0
* SSDT @ (nil)
*/
if (!strstr (LineBuffer, " @ "))
{
continue;
}
AxNormalizeSignature (LineBuffer);
strncpy (ThisSignature, LineBuffer, 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 = AxGetNextInstance (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);
}
AxStrlwr (Filename);
OutputFile = fopen (Filename, "w+b");
if (!OutputFile)
{
printf ("Could not open %s\n", Filename);
Status = -1;
goto CleanupAndExit;
}
State = AX_STATE_EXTRACT_DATA;
TotalBytesWritten = 0;
FoundTable = 1;
continue;
case AX_STATE_EXTRACT_DATA:
/* Empty line or non-data line terminates the data */
if ((LineBuffer[0] == '\n') ||
(LineBuffer[0] != ' '))
{
fclose (OutputFile);
OutputFile = NULL;
State = AX_STATE_FIND_HEADER;
printf ("Acpi table [%4.4s] - %u bytes written to %s\n",
ThisSignature, (unsigned int) TotalBytesWritten, Filename);
continue;
}
/* Convert the ascii data (one line of text) to binary */
BytesConverted = AxConvertLine (LineBuffer, 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 == AX_STATE_EXTRACT_DATA)
{
/* Received an EOF while extracting data */
printf ("Acpi table [%4.4s] - %u bytes written to %s\n",
ThisSignature, (unsigned int) TotalBytesWritten, Filename);
}
}
fclose (InputFile);
return (Status);
}
int
AxExtractTables (
char *InputPathname,
char *Signature,
unsigned int MinimumInstances)
{
FILE *InputFile;
FILE *OutputFile = NULL;
unsigned int BytesConverted;
unsigned int ThisTableBytesWritten = 0;
unsigned int FoundTable = 0;
unsigned int Instances = 0;
unsigned int ThisInstance;
char ThisSignature[5];
char UpperSignature[5];
int Status = 0;
unsigned int State = AX_STATE_FIND_HEADER;
/* Open input in text mode, output is in binary mode */
InputFile = fopen (InputPathname, "rt");
if (!InputFile)
{
printf ("Could not open input file %s\n", InputPathname);
return (-1);
}
if (!AxIsFileAscii (InputFile))
{
fclose (InputFile);
return (-1);
}
if (Signature)
{
strncpy (UpperSignature, Signature, 4);
UpperSignature[4] = 0;
AcpiUtStrupr (UpperSignature);
/* Are there enough instances of the table to continue? */
AxNormalizeSignature (UpperSignature);
Instances = AxCountTableInstances (InputPathname, UpperSignature);
if (Instances < MinimumInstances)
{
printf ("Table [%s] was not found in %s\n",
UpperSignature, InputPathname);
fclose (InputFile);
return (-1);
}
if (Instances == 0)
{
fclose (InputFile);
return (-1);
}
}
/* Convert all instances of the table to binary */
while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
{
switch (State)
{
case AX_STATE_FIND_HEADER:
if (!AxIsDataBlockHeader ())
{
continue;
}
ACPI_MOVE_NAME (ThisSignature, Gbl_LineBuffer);
if (Signature)
{
/* Ignore signatures that don't match */
if (!ACPI_COMPARE_NAME (ThisSignature, UpperSignature))
{
continue;
}
}
/*
* Get the instance number for this signature. Only the
* SSDT and PSDT tables can have multiple instances.
*/
ThisInstance = AxGetNextInstance (InputPathname, ThisSignature);
/* Build an output filename and create/open the output file */
if (ThisInstance > 0)
{
/* Add instance number to the output filename */
sprintf (Gbl_OutputFilename, "%4.4s%u.dat",
ThisSignature, ThisInstance);
}
else
{
sprintf (Gbl_OutputFilename, "%4.4s.dat",
ThisSignature);
}
AcpiUtStrlwr (Gbl_OutputFilename);
OutputFile = fopen (Gbl_OutputFilename, "w+b");
if (!OutputFile)
{
printf ("Could not open output file %s\n",
Gbl_OutputFilename);
fclose (InputFile);
return (-1);
}
/*
* Toss this block header of the form "<sig> @ <addr>" line
* and move on to the actual data block
*/
Gbl_TableCount++;
FoundTable = 1;
ThisTableBytesWritten = 0;
State = AX_STATE_EXTRACT_DATA;
continue;
case AX_STATE_EXTRACT_DATA:
/* Empty line or non-data line terminates the data block */
BytesConverted = AxProcessOneTextLine (
OutputFile, ThisSignature, ThisTableBytesWritten);
switch (BytesConverted)
{
case 0:
State = AX_STATE_FIND_HEADER; /* No more data block lines */
continue;
case -1:
goto CleanupAndExit; /* There was a write error */
default: /* Normal case, get next line */
ThisTableBytesWritten += BytesConverted;
continue;
}
default:
Status = -1;
goto CleanupAndExit;
}
}
if (!FoundTable)
{
printf ("No ACPI tables were found in %s\n", InputPathname);
}
CleanupAndExit:
if (State == AX_STATE_EXTRACT_DATA)
{
/* Received an input file EOF while extracting data */
printf (AX_TABLE_INFO_FORMAT,
ThisSignature, ThisTableBytesWritten, Gbl_OutputFilename);
}
if (Gbl_TableCount > 1)
{
printf ("\n%u binary ACPI tables extracted\n",
Gbl_TableCount);
}
if (OutputFile)
{
fclose (OutputFile);
}
fclose (InputFile);
return (Status);
}
