dbhistry.c revision 193249
1263239Sandrew/****************************************************************************** 2263239Sandrew * 3263239Sandrew * Module Name: dbhistry - debugger HISTORY command 4263239Sandrew * $Revision: 1.34 $ 5263239Sandrew * 6263239Sandrew *****************************************************************************/ 7263239Sandrew 8263239Sandrew/****************************************************************************** 9263239Sandrew * 10263239Sandrew * 1. Copyright Notice 11263239Sandrew * 12263239Sandrew * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. 13263239Sandrew * All rights reserved. 14263239Sandrew * 15263239Sandrew * 2. License 16263239Sandrew * 17263239Sandrew * 2.1. This is your license from Intel Corp. under its intellectual property 18263239Sandrew * rights. You may have additional license terms from the party that provided 19263239Sandrew * you this software, covering your right to use that party's intellectual 20263239Sandrew * property rights. 21263239Sandrew * 22263239Sandrew * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23263239Sandrew * copy of the source code appearing in this file ("Covered Code") an 24263239Sandrew * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25263239Sandrew * base code distributed originally by Intel ("Original Intel Code") to copy, 26263239Sandrew * make derivatives, distribute, use and display any portion of the Covered 27263239Sandrew * Code in any form, with the right to sublicense such rights; and 28263239Sandrew * 29263239Sandrew * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30263239Sandrew * license (with the right to sublicense), under only those claims of Intel 31263239Sandrew * patents that are infringed by the Original Intel Code, to make, use, sell, 32263239Sandrew * offer to sell, and import the Covered Code and derivative works thereof 33263239Sandrew * solely to the minimum extent necessary to exercise the above copyright 34263239Sandrew * license, and in no event shall the patent license extend to any additions 35263239Sandrew * to or modifications of the Original Intel Code. No other license or right 36273471Sandrew * is granted directly or by implication, estoppel or otherwise; 37273471Sandrew * 38273471Sandrew * The above copyright and patent license is granted only if the following 39273471Sandrew * conditions are met: 40273471Sandrew * 41273471Sandrew * 3. Conditions 42273471Sandrew * 43273471Sandrew * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44273471Sandrew * Redistribution of source code of any substantial portion of the Covered 45273471Sandrew * Code or modification with rights to further distribute source must include 46273471Sandrew * the above Copyright Notice, the above License, this list of Conditions, 47273471Sandrew * and the following Disclaimer and Export Compliance provision. In addition, 48273471Sandrew * Licensee must cause all Covered Code to which Licensee contributes to 49273471Sandrew * contain a file documenting the changes Licensee made to create that Covered 50273471Sandrew * Code and the date of any change. Licensee must include in that file the 51273471Sandrew * documentation of any changes made by any predecessor Licensee. Licensee 52273471Sandrew * must include a prominent statement that the modification is derived, 53273471Sandrew * directly or indirectly, from Original Intel Code. 54273471Sandrew * 55273471Sandrew * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56273471Sandrew * Redistribution of source code of any substantial portion of the Covered 57273471Sandrew * Code or modification without rights to further distribute source must 58273471Sandrew * include the following Disclaimer and Export Compliance provision in the 59273471Sandrew * documentation and/or other materials provided with distribution. In 60263239Sandrew * addition, Licensee may not authorize further sublicense of source of any 61263239Sandrew * portion of the Covered Code, and must include terms to the effect that the 62263239Sandrew * license from Licensee to its licensee is limited to the intellectual 63263239Sandrew * property embodied in the software Licensee provides to its licensee, and 64263239Sandrew * not to intellectual property embodied in modifications its licensee may 65263239Sandrew * make. 66263239Sandrew * 67263239Sandrew * 3.3. Redistribution of Executable. Redistribution in executable form of any 68263239Sandrew * substantial portion of the Covered Code or modification must reproduce the 69263239Sandrew * above Copyright Notice, and the following Disclaimer and Export Compliance 70263239Sandrew * provision in the documentation and/or other materials provided with the 71263239Sandrew * distribution. 72263239Sandrew * 73263239Sandrew * 3.4. Intel retains all right, title, and interest in and to the Original 74263239Sandrew * Intel Code. 75263239Sandrew * 76263239Sandrew * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77263239Sandrew * Intel shall be used in advertising or otherwise to promote the sale, use or 78263239Sandrew * other dealings in products derived from or relating to the Covered Code 79263239Sandrew * without prior written authorization from Intel. 80263239Sandrew * 81263239Sandrew * 4. Disclaimer and Export Compliance 82263239Sandrew * 83263239Sandrew * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84263239Sandrew * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85263239Sandrew * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86263239Sandrew * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87263239Sandrew * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88263239Sandrew * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89263239Sandrew * PARTICULAR PURPOSE. 90263239Sandrew * 91263239Sandrew * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92263239Sandrew * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93263239Sandrew * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94263239Sandrew * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95263239Sandrew * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96263239Sandrew * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97263239Sandrew * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98263239Sandrew * LIMITED REMEDY. 99263239Sandrew * 100263239Sandrew * 4.3. Licensee shall not export, either directly or indirectly, any of this 101263239Sandrew * software or system incorporating such software without first obtaining any 102263239Sandrew * required license or other approval from the U. S. Department of Commerce or 103263239Sandrew * any other agency or department of the United States Government. In the 104263239Sandrew * event Licensee exports any such software from the United States or 105263239Sandrew * re-exports any such software from a foreign destination, Licensee shall 106263239Sandrew * ensure that the distribution and export/re-export of the software is in 107263239Sandrew * compliance with all laws, regulations, orders, or other restrictions of the 108263239Sandrew * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109263239Sandrew * any of its subsidiaries will export/re-export any technical data, process, 110263239Sandrew * software, or service, directly or indirectly, to any country for which the 111263239Sandrew * United States government or any agency thereof requires an export license, 112263239Sandrew * other governmental approval, or letter of assurance, without first obtaining 113263239Sandrew * such license, approval or letter. 114263239Sandrew * 115263239Sandrew *****************************************************************************/ 116263239Sandrew 117263239Sandrew 118263239Sandrew#include <contrib/dev/acpica/acpi.h> 119263239Sandrew#include <contrib/dev/acpica/acdebug.h> 120263239Sandrew 121263239Sandrew#ifdef ACPI_DEBUGGER 122263239Sandrew 123263239Sandrew#define _COMPONENT ACPI_CA_DEBUGGER 124263239Sandrew ACPI_MODULE_NAME ("dbhistry") 125263239Sandrew 126263239Sandrew 127263239Sandrew#define HI_NO_HISTORY 0 128263239Sandrew#define HI_RECORD_HISTORY 1 129263239Sandrew#define HISTORY_SIZE 20 130263239Sandrew 131263239Sandrew 132263239Sandrewtypedef struct HistoryInfo 133263239Sandrew{ 134263239Sandrew char Command[80]; 135263239Sandrew UINT32 CmdNum; 136263239Sandrew 137263239Sandrew} HISTORY_INFO; 138263239Sandrew 139263239Sandrew 140263239Sandrewstatic HISTORY_INFO AcpiGbl_HistoryBuffer[HISTORY_SIZE]; 141263239Sandrewstatic UINT16 AcpiGbl_LoHistory = 0; 142263239Sandrewstatic UINT16 AcpiGbl_NumHistory = 0; 143263239Sandrewstatic UINT16 AcpiGbl_NextHistoryIndex = 0; 144263239Sandrewstatic UINT32 AcpiGbl_NextCmdNum = 1; 145263239Sandrew 146263239Sandrew 147263239Sandrew/******************************************************************************* 148263239Sandrew * 149263239Sandrew * FUNCTION: AcpiDbAddToHistory 150263239Sandrew * 151263239Sandrew * PARAMETERS: CommandLine - Command to add 152263239Sandrew * 153263239Sandrew * RETURN: None 154263239Sandrew * 155263239Sandrew * DESCRIPTION: Add a command line to the history buffer. 156263239Sandrew * 157263239Sandrew ******************************************************************************/ 158263239Sandrew 159263239Sandrewvoid 160263239SandrewAcpiDbAddToHistory ( 161263239Sandrew char *CommandLine) 162263239Sandrew{ 163263239Sandrew 164263239Sandrew /* Put command into the next available slot */ 165263239Sandrew 166263239Sandrew ACPI_STRCPY (AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].Command, 167263239Sandrew CommandLine); 168263239Sandrew 169263239Sandrew AcpiGbl_HistoryBuffer[AcpiGbl_NextHistoryIndex].CmdNum = AcpiGbl_NextCmdNum; 170263239Sandrew 171263239Sandrew /* Adjust indexes */ 172263239Sandrew 173263239Sandrew if ((AcpiGbl_NumHistory == HISTORY_SIZE) && 174263239Sandrew (AcpiGbl_NextHistoryIndex == AcpiGbl_LoHistory)) 175263239Sandrew { 176263239Sandrew AcpiGbl_LoHistory++; 177263239Sandrew if (AcpiGbl_LoHistory >= HISTORY_SIZE) 178263239Sandrew { 179263239Sandrew AcpiGbl_LoHistory = 0; 180263239Sandrew } 181263239Sandrew } 182263239Sandrew 183263239Sandrew AcpiGbl_NextHistoryIndex++; 184263239Sandrew if (AcpiGbl_NextHistoryIndex >= HISTORY_SIZE) 185 { 186 AcpiGbl_NextHistoryIndex = 0; 187 } 188 189 AcpiGbl_NextCmdNum++; 190 if (AcpiGbl_NumHistory < HISTORY_SIZE) 191 { 192 AcpiGbl_NumHistory++; 193 } 194} 195 196 197/******************************************************************************* 198 * 199 * FUNCTION: AcpiDbDisplayHistory 200 * 201 * PARAMETERS: None 202 * 203 * RETURN: None 204 * 205 * DESCRIPTION: Display the contents of the history buffer 206 * 207 ******************************************************************************/ 208 209void 210AcpiDbDisplayHistory ( 211 void) 212{ 213 ACPI_NATIVE_UINT i; 214 UINT16 HistoryIndex; 215 216 217 HistoryIndex = AcpiGbl_LoHistory; 218 219 /* Dump entire history buffer */ 220 221 for (i = 0; i < AcpiGbl_NumHistory; i++) 222 { 223 AcpiOsPrintf ("%ld %s\n", AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum, 224 AcpiGbl_HistoryBuffer[HistoryIndex].Command); 225 226 HistoryIndex++; 227 if (HistoryIndex >= HISTORY_SIZE) 228 { 229 HistoryIndex = 0; 230 } 231 } 232} 233 234 235/******************************************************************************* 236 * 237 * FUNCTION: AcpiDbGetFromHistory 238 * 239 * PARAMETERS: CommandNumArg - String containing the number of the 240 * command to be retrieved 241 * 242 * RETURN: Pointer to the retrieved command. Null on error. 243 * 244 * DESCRIPTION: Get a command from the history buffer 245 * 246 ******************************************************************************/ 247 248char * 249AcpiDbGetFromHistory ( 250 char *CommandNumArg) 251{ 252 ACPI_NATIVE_UINT i; 253 UINT16 HistoryIndex; 254 UINT32 CmdNum; 255 256 257 if (CommandNumArg == NULL) 258 { 259 CmdNum = AcpiGbl_NextCmdNum - 1; 260 } 261 262 else 263 { 264 CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0); 265 } 266 267 /* Search history buffer */ 268 269 HistoryIndex = AcpiGbl_LoHistory; 270 for (i = 0; i < AcpiGbl_NumHistory; i++) 271 { 272 if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum) 273 { 274 /* Found the commnad, return it */ 275 276 return (AcpiGbl_HistoryBuffer[HistoryIndex].Command); 277 } 278 279 280 HistoryIndex++; 281 if (HistoryIndex >= HISTORY_SIZE) 282 { 283 HistoryIndex = 0; 284 } 285 } 286 287 AcpiOsPrintf ("Invalid history number: %d\n", HistoryIndex); 288 return (NULL); 289} 290 291#endif /* ACPI_DEBUGGER */ 292 293