diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/debugger/dbfileio.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/debugger/dbfileio.c | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/debugger/dbfileio.c b/sys/contrib/dev/acpica/components/debugger/dbfileio.c new file mode 100644 index 0000000..a558e42 --- /dev/null +++ b/sys/contrib/dev/acpica/components/debugger/dbfileio.c @@ -0,0 +1,578 @@ +/******************************************************************************* + * + * 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 - 2012, 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 <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acdebug.h> + +#ifdef ACPI_APPLICATION +#include <contrib/dev/acpica/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, FACS and S3PT tables do not have standard ACPI headers */ + + if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") || + ACPI_COMPARE_NAME (TableHeader.Signature, "FACS") || + ACPI_COMPARE_NAME (TableHeader.Signature, "S3PT")) + { + *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 */ + |
