578 lines
15 KiB
C
578 lines
15 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: dbfileio - Debugger file I/O commands. These can't usually
|
|
* be used when running the debugger in Ring 0 (Kernel mode)
|
|
*
|
|
******************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2011, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* substantially similar to the "NO WARRANTY" disclaimer below
|
|
* ("Disclaimer") and any redistribution must be conditioned upon
|
|
* including a substantially similar Disclaimer requirement for further
|
|
* binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
|
|
#include "acpi.h"
|
|
#include "accommon.h"
|
|
#include "acdebug.h"
|
|
|
|
#ifdef ACPI_APPLICATION
|
|
#include "actables.h"
|
|
#endif
|
|
|
|
#if (defined ACPI_DEBUGGER || defined ACPI_DISASSEMBLER)
|
|
|
|
#define _COMPONENT ACPI_CA_DEBUGGER
|
|
ACPI_MODULE_NAME ("dbfileio")
|
|
|
|
/*
|
|
* NOTE: this is here for lack of a better place. It is used in all
|
|
* flavors of the debugger, need LCD file
|
|
*/
|
|
#ifdef ACPI_APPLICATION
|
|
#include <stdio.h>
|
|
FILE *AcpiGbl_DebugFile = NULL;
|
|
#endif
|
|
|
|
|
|
#ifdef ACPI_DEBUGGER
|
|
|
|
/* Local prototypes */
|
|
|
|
#ifdef ACPI_APPLICATION
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbCheckTextModeCorruption (
|
|
UINT8 *Table,
|
|
UINT32 TableLength,
|
|
UINT32 FileLength);
|
|
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbCloseDebugFile
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: If open, close the current debug output file
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDbCloseDebugFile (
|
|
void)
|
|
{
|
|
|
|
#ifdef ACPI_APPLICATION
|
|
|
|
if (AcpiGbl_DebugFile)
|
|
{
|
|
fclose (AcpiGbl_DebugFile);
|
|
AcpiGbl_DebugFile = NULL;
|
|
AcpiGbl_DbOutputToFile = FALSE;
|
|
AcpiOsPrintf ("Debug output file %s closed\n", AcpiGbl_DbDebugFilename);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbOpenDebugFile
|
|
*
|
|
* PARAMETERS: Name - Filename to open
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Open a file where debug output will be directed.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AcpiDbOpenDebugFile (
|
|
char *Name)
|
|
{
|
|
|
|
#ifdef ACPI_APPLICATION
|
|
|
|
AcpiDbCloseDebugFile ();
|
|
AcpiGbl_DebugFile = fopen (Name, "w+");
|
|
if (AcpiGbl_DebugFile)
|
|
{
|
|
AcpiOsPrintf ("Debug output file %s opened\n", Name);
|
|
ACPI_STRCPY (AcpiGbl_DbDebugFilename, Name);
|
|
AcpiGbl_DbOutputToFile = TRUE;
|
|
}
|
|
else
|
|
{
|
|
AcpiOsPrintf ("Could not open debug file %s\n", Name);
|
|
}
|
|
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef ACPI_APPLICATION
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbCheckTextModeCorruption
|
|
*
|
|
* PARAMETERS: Table - Table buffer
|
|
* TableLength - Length of table from the table header
|
|
* FileLength - Length of the file that contains the table
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Check table for text mode file corruption where all linefeed
|
|
* characters (LF) have been replaced by carriage return linefeed
|
|
* pairs (CR/LF).
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbCheckTextModeCorruption (
|
|
UINT8 *Table,
|
|
UINT32 TableLength,
|
|
UINT32 FileLength)
|
|
{
|
|
UINT32 i;
|
|
UINT32 Pairs = 0;
|
|
|
|
|
|
if (TableLength != FileLength)
|
|
{
|
|
ACPI_WARNING ((AE_INFO,
|
|
"File length (0x%X) is not the same as the table length (0x%X)",
|
|
FileLength, TableLength));
|
|
}
|
|
|
|
/* Scan entire table to determine if each LF has been prefixed with a CR */
|
|
|
|
for (i = 1; i < FileLength; i++)
|
|
{
|
|
if (Table[i] == 0x0A)
|
|
{
|
|
if (Table[i - 1] != 0x0D)
|
|
{
|
|
/* The LF does not have a preceding CR, table not corrupted */
|
|
|
|
return (AE_OK);
|
|
}
|
|
else
|
|
{
|
|
/* Found a CR/LF pair */
|
|
|
|
Pairs++;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
|
|
if (!Pairs)
|
|
{
|
|
return (AE_OK);
|
|
}
|
|
|
|
/*
|
|
* Entire table scanned, each CR is part of a CR/LF pair --
|
|
* meaning that the table was treated as a text file somewhere.
|
|
*
|
|
* NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
|
|
* original table are left untouched by the text conversion process --
|
|
* meaning that we cannot simply replace CR/LF pairs with LFs.
|
|
*/
|
|
AcpiOsPrintf ("Table has been corrupted by text mode conversion\n");
|
|
AcpiOsPrintf ("All LFs (%u) were changed to CR/LF pairs\n", Pairs);
|
|
AcpiOsPrintf ("Table cannot be repaired!\n");
|
|
return (AE_BAD_VALUE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbReadTable
|
|
*
|
|
* PARAMETERS: fp - File that contains table
|
|
* Table - Return value, buffer with table
|
|
* TableLength - Return value, length of table
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Load the DSDT from the file pointer
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AcpiDbReadTable (
|
|
FILE *fp,
|
|
ACPI_TABLE_HEADER **Table,
|
|
UINT32 *TableLength)
|
|
{
|
|
ACPI_TABLE_HEADER TableHeader;
|
|
UINT32 Actual;
|
|
ACPI_STATUS Status;
|
|
UINT32 FileSize;
|
|
BOOLEAN StandardHeader = TRUE;
|
|
|
|
|
|
/* Get the file size */
|
|
|
|
fseek (fp, 0, SEEK_END);
|
|
FileSize = (UINT32) ftell (fp);
|
|
fseek (fp, 0, SEEK_SET);
|
|
|
|
if (FileSize < 4)
|
|
{
|
|
return (AE_BAD_HEADER);
|
|
}
|
|
|
|
/* Read the signature */
|
|
|
|
if (fread (&TableHeader, 1, 4, fp) != 4)
|
|
{
|
|
AcpiOsPrintf ("Could not read the table signature\n");
|
|
return (AE_BAD_HEADER);
|
|
}
|
|
|
|
fseek (fp, 0, SEEK_SET);
|
|
|
|
/* The RSDT and FACS tables do not have standard ACPI headers */
|
|
|
|
if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") ||
|
|
ACPI_COMPARE_NAME (TableHeader.Signature, "FACS"))
|
|
{
|
|
*TableLength = FileSize;
|
|
StandardHeader = FALSE;
|
|
}
|
|
else
|
|
{
|
|
/* Read the table header */
|
|
|
|
if (fread (&TableHeader, 1, sizeof (TableHeader), fp) !=
|
|
sizeof (ACPI_TABLE_HEADER))
|
|
{
|
|
AcpiOsPrintf ("Could not read the table header\n");
|
|
return (AE_BAD_HEADER);
|
|
}
|
|
|
|
#if 0
|
|
/* Validate the table header/length */
|
|
|
|
Status = AcpiTbValidateTableHeader (&TableHeader);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Table header is invalid!\n");
|
|
return (Status);
|
|
}
|
|
#endif
|
|
|
|
/* File size must be at least as long as the Header-specified length */
|
|
|
|
if (TableHeader.Length > FileSize)
|
|
{
|
|
AcpiOsPrintf (
|
|
"TableHeader length [0x%X] greater than the input file size [0x%X]\n",
|
|
TableHeader.Length, FileSize);
|
|
return (AE_BAD_HEADER);
|
|
}
|
|
|
|
#ifdef ACPI_OBSOLETE_CODE
|
|
/* We only support a limited number of table types */
|
|
|
|
if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
|
|
ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
|
|
ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
|
|
{
|
|
AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
|
|
(char *) TableHeader.Signature);
|
|
ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
|
|
return (AE_ERROR);
|
|
}
|
|
#endif
|
|
|
|
*TableLength = TableHeader.Length;
|
|
}
|
|
|
|
/* Allocate a buffer for the table */
|
|
|
|
*Table = AcpiOsAllocate ((size_t) FileSize);
|
|
if (!*Table)
|
|
{
|
|
AcpiOsPrintf (
|
|
"Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
|
|
TableHeader.Signature, *TableLength);
|
|
return (AE_NO_MEMORY);
|
|
}
|
|
|
|
/* Get the rest of the table */
|
|
|
|
fseek (fp, 0, SEEK_SET);
|
|
Actual = fread (*Table, 1, (size_t) FileSize, fp);
|
|
if (Actual == FileSize)
|
|
{
|
|
if (StandardHeader)
|
|
{
|
|
/* Now validate the checksum */
|
|
|
|
Status = AcpiTbVerifyChecksum ((void *) *Table,
|
|
ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);
|
|
|
|
if (Status == AE_BAD_CHECKSUM)
|
|
{
|
|
Status = AcpiDbCheckTextModeCorruption ((UINT8 *) *Table,
|
|
FileSize, (*Table)->Length);
|
|
return (Status);
|
|
}
|
|
}
|
|
return (AE_OK);
|
|
}
|
|
|
|
if (Actual > 0)
|
|
{
|
|
AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
|
|
FileSize, Actual);
|
|
return (AE_OK);
|
|
}
|
|
|
|
AcpiOsPrintf ("Error - could not read the table file\n");
|
|
AcpiOsFree (*Table);
|
|
*Table = NULL;
|
|
*TableLength = 0;
|
|
|
|
return (AE_ERROR);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AeLocalLoadTable
|
|
*
|
|
* PARAMETERS: Table - pointer to a buffer containing the entire
|
|
* table to be loaded
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: This function is called to load a table from the caller's
|
|
* buffer. The buffer must contain an entire ACPI Table including
|
|
* a valid header. The header fields will be verified, and if it
|
|
* is determined that the table is invalid, the call will fail.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static ACPI_STATUS
|
|
AeLocalLoadTable (
|
|
ACPI_TABLE_HEADER *Table)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
/* ACPI_TABLE_DESC TableInfo; */
|
|
|
|
|
|
ACPI_FUNCTION_TRACE (AeLocalLoadTable);
|
|
#if 0
|
|
|
|
|
|
if (!Table)
|
|
{
|
|
return_ACPI_STATUS (AE_BAD_PARAMETER);
|
|
}
|
|
|
|
TableInfo.Pointer = Table;
|
|
Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_ALL);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* Install the new table into the local data structures */
|
|
|
|
Status = AcpiTbInstallTable (&TableInfo);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_ALREADY_EXISTS)
|
|
{
|
|
/* Table already exists, no error */
|
|
|
|
Status = AE_OK;
|
|
}
|
|
|
|
/* Free table allocated by AcpiTbGetTable */
|
|
|
|
AcpiTbDeleteSingleTable (&TableInfo);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
|
|
|
|
Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
/* Uninstall table and free the buffer */
|
|
|
|
AcpiTbDeleteTablesByType (ACPI_TABLE_ID_DSDT);
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbReadTableFromFile
|
|
*
|
|
* PARAMETERS: Filename - File where table is located
|
|
* Table - Where a pointer to the table is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Get an ACPI table from a file
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDbReadTableFromFile (
|
|
char *Filename,
|
|
ACPI_TABLE_HEADER **Table)
|
|
{
|
|
FILE *fp;
|
|
UINT32 TableLength;
|
|
ACPI_STATUS Status;
|
|
|
|
|
|
/* Open the file */
|
|
|
|
fp = fopen (Filename, "rb");
|
|
if (!fp)
|
|
{
|
|
AcpiOsPrintf ("Could not open input file %s\n", Filename);
|
|
return (AE_ERROR);
|
|
}
|
|
|
|
/* Get the entire file */
|
|
|
|
fprintf (stderr, "Loading Acpi table from file %s\n", Filename);
|
|
Status = AcpiDbReadTable (fp, Table, &TableLength);
|
|
fclose(fp);
|
|
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not get table from the file\n");
|
|
return (Status);
|
|
}
|
|
|
|
return (AE_OK);
|
|
}
|
|
#endif
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiDbGetTableFromFile
|
|
*
|
|
* PARAMETERS: Filename - File where table is located
|
|
* ReturnTable - Where a pointer to the table is returned
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Load an ACPI table from a file
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiDbGetTableFromFile (
|
|
char *Filename,
|
|
ACPI_TABLE_HEADER **ReturnTable)
|
|
{
|
|
#ifdef ACPI_APPLICATION
|
|
ACPI_STATUS Status;
|
|
ACPI_TABLE_HEADER *Table;
|
|
BOOLEAN IsAmlTable = TRUE;
|
|
|
|
|
|
Status = AcpiDbReadTableFromFile (Filename, &Table);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return (Status);
|
|
}
|
|
|
|
#ifdef ACPI_DATA_TABLE_DISASSEMBLY
|
|
IsAmlTable = AcpiUtIsAmlTable (Table);
|
|
#endif
|
|
|
|
if (IsAmlTable)
|
|
{
|
|
/* Attempt to recognize and install the table */
|
|
|
|
Status = AeLocalLoadTable (Table);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
if (Status == AE_ALREADY_EXISTS)
|
|
{
|
|
AcpiOsPrintf ("Table %4.4s is already installed\n",
|
|
Table->Signature);
|
|
}
|
|
else
|
|
{
|
|
AcpiOsPrintf ("Could not install table, %s\n",
|
|
AcpiFormatException (Status));
|
|
}
|
|
|
|
return (Status);
|
|
}
|
|
|
|
fprintf (stderr,
|
|
"Acpi table [%4.4s] successfully installed and loaded\n",
|
|
Table->Signature);
|
|
}
|
|
|
|
AcpiGbl_AcpiHardwarePresent = FALSE;
|
|
if (ReturnTable)
|
|
{
|
|
*ReturnTable = Table;
|
|
}
|
|
|
|
|
|
#endif /* ACPI_APPLICATION */
|
|
return (AE_OK);
|
|
}
|
|
|
|
#endif /* ACPI_DEBUGGER */
|
|
|