/****************************************************************************** * * Module Name: dbhistry - debugger HISTORY command * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2023, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * 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. * * 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 MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * 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 DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include #include #include #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME ("dbhistry") #define HI_NO_HISTORY 0 #define HI_RECORD_HISTORY 1 #define HISTORY_SIZE 40 typedef struct HistoryInfo { char *Command; UINT32 CmdNum; } HISTORY_INFO; static HISTORY_INFO AcpiGbl_HistoryBuffer[HISTORY_SIZE]; static UINT16 AcpiGbl_LoHistory = 0; static UINT16 AcpiGbl_NumHistory = 0; static UINT16 AcpiGbl_NextHistoryIndex = 0; /******************************************************************************* * * FUNCTION: AcpiDbAddToHistory * * PARAMETERS: CommandLine - Command to add * * RETURN: None * * DESCRIPTION: Add a command line to the history buffer. * ******************************************************************************/ void AcpiDbAddToHistory ( char *CommandLine) { UINT16 CmdLen; UINT16 BufferLen; /* Put command into the next available slot */ CmdLen = (UINT16) strlen (CommandLine); if (!CmdLen) { return; } if (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command != NULL) { BufferLen = (UINT16) strlen ( AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command); if (CmdLen > BufferLen) { AcpiOsFree (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex]. Command); AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command = AcpiOsAllocate (CmdLen + 1); } } else { AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command = AcpiOsAllocate (CmdLen + 1); } strcpy (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command, CommandLine); AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum; /* Adjust indexes */ if ((AcpiGbl_NumHistory == HISTORY_SIZE) && (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory)) { AcpiGbl_LoHistory++; if (AcpiGbl_LoHistory >= HISTORY_SIZE) { AcpiGbl_LoHistory = 0; } } AcpiGbl_NextHistoryIndex++; if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE) { AcpiGbl_NextHistoryIndex = 0; } AcpiGbl_NextCmdNum++; if (AcpiGbl_NumHistory < HISTORY_SIZE) { AcpiGbl_NumHistory++; } } /******************************************************************************* * * FUNCTION: AcpiDbDisplayHistory * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Display the contents of the history buffer * ******************************************************************************/ void AcpiDbDisplayHistory ( void) { UINT32 i; UINT16 HistoryIndex; HistoryIndex = AcpiGbl_LoHistory; /* Dump entire history buffer */ for (i = 0; i < AcpiGbl_NumHistory; i++) { if (AcpiGbl_HistoryBuffer[HistoryIndex].Command) { AcpiOsPrintf ("%3u %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum, AcpiGbl_HistoryBuffer[HistoryIndex].Command); } HistoryIndex++; if (HistoryIndex >= HISTORY_SIZE) { HistoryIndex = 0; } } } /******************************************************************************* * * FUNCTION: AcpiDbGetFromHistory * * PARAMETERS: CommandNumArg - String containing the number of the * command to be retrieved * * RETURN: Pointer to the retrieved command. Null on error. * * DESCRIPTION: Get a command from the history buffer * ******************************************************************************/ char * AcpiDbGetFromHistory ( char *CommandNumArg) { UINT32 CmdNum; if (CommandNumArg == NULL) { CmdNum = AcpiGbl_NextCmdNum - 1; } else { CmdNum = strtoul (CommandNumArg, NULL, 0); } return (AcpiDbGetHistoryByIndex (CmdNum)); } /******************************************************************************* * * FUNCTION: AcpiDbGetHistoryByIndex * * PARAMETERS: CmdNum - Index of the desired history entry. * Values are 0...(AcpiGbl_NextCmdNum - 1) * * RETURN: Pointer to the retrieved command. Null on error. * * DESCRIPTION: Get a command from the history buffer * ******************************************************************************/ char * AcpiDbGetHistoryByIndex ( UINT32 CmdNum) { UINT32 i; UINT16 HistoryIndex; /* Search history buffer */ HistoryIndex = AcpiGbl_LoHistory; for (i = 0; i < AcpiGbl_NumHistory; i++) { if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum) { /* Found the command, return it */ return (AcpiGbl_HistoryBuffer[HistoryIndex].Command); } /* History buffer is circular */ HistoryIndex++; if (HistoryIndex >= HISTORY_SIZE) { HistoryIndex = 0; } } AcpiOsPrintf ("Invalid history number: %u\n", HistoryIndex); return (NULL); }