293 lines
10 KiB
C
293 lines
10 KiB
C
/******************************************************************************
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*
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* Module Name: dbhistry - debugger HISTORY command
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "acpi.h"
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#include "accommon.h"
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#include "acdebug.h"
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#ifdef ACPI_DEBUGGER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbhistry")
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#define HI_NO_HISTORY 0
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#define HI_RECORD_HISTORY 1
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#define HISTORY_SIZE 20
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typedef struct HistoryInfo
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{
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char Command[80];
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UINT32 CmdNum;
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} HISTORY_INFO;
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static HISTORY_INFO AcpiGbl_HistoryBuffer[HISTORY_SIZE];
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static UINT16 AcpiGbl_LoHistory = 0;
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static UINT16 AcpiGbl_NumHistory = 0;
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static UINT16 AcpiGbl_NextHistoryIndex = 0;
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static UINT32 AcpiGbl_NextCmdNum = 1;
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbAddToHistory
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*
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* PARAMETERS: CommandLine - Command to add
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*
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* RETURN: None
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*
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* DESCRIPTION: Add a command line to the history buffer.
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*
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******************************************************************************/
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void
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AcpiDbAddToHistory (
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char *CommandLine)
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{
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/* Put command into the next available slot */
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ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command,
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CommandLine);
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AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum;
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/* Adjust indexes */
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if ((AcpiGbl_NumHistory == HISTORY_SIZE) &&
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(AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory))
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{
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AcpiGbl_LoHistory++;
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if (AcpiGbl_LoHistory >= HISTORY_SIZE)
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{
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AcpiGbl_LoHistory = 0;
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}
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}
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AcpiGbl_NextHistoryIndex++;
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if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE)
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{
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AcpiGbl_NextHistoryIndex = 0;
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}
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AcpiGbl_NextCmdNum++;
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if (AcpiGbl_NumHistory < HISTORY_SIZE)
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{
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AcpiGbl_NumHistory++;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbDisplayHistory
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Display the contents of the history buffer
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*
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******************************************************************************/
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void
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AcpiDbDisplayHistory (
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void)
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{
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UINT32 i;
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UINT16 HistoryIndex;
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HistoryIndex = AcpiGbl_LoHistory;
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/* Dump entire history buffer */
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for (i = 0; i < AcpiGbl_NumHistory; i++)
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{
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AcpiOsPrintf ("%ld %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum,
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AcpiGbl_HistoryBuffer[HistoryIndex].Command);
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HistoryIndex++;
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if (HistoryIndex >= HISTORY_SIZE)
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{
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HistoryIndex = 0;
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbGetFromHistory
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*
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* PARAMETERS: CommandNumArg - String containing the number of the
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* command to be retrieved
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*
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* RETURN: Pointer to the retrieved command. Null on error.
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*
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* DESCRIPTION: Get a command from the history buffer
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*
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******************************************************************************/
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char *
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AcpiDbGetFromHistory (
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char *CommandNumArg)
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{
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UINT32 i;
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UINT16 HistoryIndex;
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UINT32 CmdNum;
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if (CommandNumArg == NULL)
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{
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CmdNum = AcpiGbl_NextCmdNum - 1;
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}
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else
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{
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CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0);
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}
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/* Search history buffer */
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HistoryIndex = AcpiGbl_LoHistory;
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for (i = 0; i < AcpiGbl_NumHistory; i++)
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{
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if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum)
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{
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/* Found the commnad, return it */
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return (AcpiGbl_HistoryBuffer[HistoryIndex].Command);
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}
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HistoryIndex++;
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if (HistoryIndex >= HISTORY_SIZE)
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{
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HistoryIndex = 0;
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}
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}
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AcpiOsPrintf ("Invalid history number: %d\n", HistoryIndex);
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return (NULL);
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}
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#endif /* ACPI_DEBUGGER */
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