diff options
Diffstat (limited to 'sys/contrib/dev/acpica/dbfileio.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dbfileio.c | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dbfileio.c b/sys/contrib/dev/acpica/dbfileio.c new file mode 100644 index 0000000..dc97d752 --- /dev/null +++ b/sys/contrib/dev/acpica/dbfileio.c @@ -0,0 +1,651 @@ +/******************************************************************************* + * + * Module Name: dbfileio - Debugger file I/O commands. These can't usually + * be used when running the debugger in Ring 0 (Kernel mode) + * $Revision: 1.94 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2007, 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 <contrib/dev/acpica/acpi.h> +#include <contrib/dev/acpica/acdebug.h> +#include <contrib/dev/acpica/acnamesp.h> +#include <contrib/dev/acpica/actables.h> +#include <contrib/dev/acpica/acdisasm.h> + +#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); + +static ACPI_STATUS +AeLocalLoadTable ( + ACPI_TABLE_HEADER *TablePtr); +#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 preceeding 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 (%d) 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 = AcpiTbChecksum ((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 */ + |
