utinit.c revision 69450
1/****************************************************************************** 2 * 3 * Module Name: cminit - Common ACPI subsystem initialization 4 * $Revision: 88 $ 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights 13 * reserved. 14 * 15 * 2. License 16 * 17 * 2.1. This is your license from Intel Corp. under its intellectual property 18 * rights. You may have additional license terms from the party that provided 19 * you this software, covering your right to use that party's intellectual 20 * property rights. 21 * 22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 23 * copy of the source code appearing in this file ("Covered Code") an 24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 25 * base code distributed originally by Intel ("Original Intel Code") to copy, 26 * make derivatives, distribute, use and display any portion of the Covered 27 * Code in any form, with the right to sublicense such rights; and 28 * 29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 30 * license (with the right to sublicense), under only those claims of Intel 31 * patents that are infringed by the Original Intel Code, to make, use, sell, 32 * offer to sell, and import the Covered Code and derivative works thereof 33 * solely to the minimum extent necessary to exercise the above copyright 34 * license, and in no event shall the patent license extend to any additions 35 * to or modifications of the Original Intel Code. No other license or right 36 * is granted directly or by implication, estoppel or otherwise; 37 * 38 * The above copyright and patent license is granted only if the following 39 * conditions are met: 40 * 41 * 3. Conditions 42 * 43 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 44 * Redistribution of source code of any substantial portion of the Covered 45 * Code or modification with rights to further distribute source must include 46 * the above Copyright Notice, the above License, this list of Conditions, 47 * and the following Disclaimer and Export Compliance provision. In addition, 48 * Licensee must cause all Covered Code to which Licensee contributes to 49 * contain a file documenting the changes Licensee made to create that Covered 50 * Code and the date of any change. Licensee must include in that file the 51 * documentation of any changes made by any predecessor Licensee. Licensee 52 * must include a prominent statement that the modification is derived, 53 * directly or indirectly, from Original Intel Code. 54 * 55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 56 * Redistribution of source code of any substantial portion of the Covered 57 * Code or modification without rights to further distribute source must 58 * include the following Disclaimer and Export Compliance provision in the 59 * documentation and/or other materials provided with distribution. In 60 * addition, Licensee may not authorize further sublicense of source of any 61 * portion of the Covered Code, and must include terms to the effect that the 62 * license from Licensee to its licensee is limited to the intellectual 63 * property embodied in the software Licensee provides to its licensee, and 64 * not to intellectual property embodied in modifications its licensee may 65 * make. 66 * 67 * 3.3. Redistribution of Executable. Redistribution in executable form of any 68 * substantial portion of the Covered Code or modification must reproduce the 69 * above Copyright Notice, and the following Disclaimer and Export Compliance 70 * provision in the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3.4. Intel retains all right, title, and interest in and to the Original 74 * Intel Code. 75 * 76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 77 * Intel shall be used in advertising or otherwise to promote the sale, use or 78 * other dealings in products derived from or relating to the Covered Code 79 * without prior written authorization from Intel. 80 * 81 * 4. Disclaimer and Export Compliance 82 * 83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 89 * PARTICULAR PURPOSE. 90 * 91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 98 * LIMITED REMEDY. 99 * 100 * 4.3. Licensee shall not export, either directly or indirectly, any of this 101 * software or system incorporating such software without first obtaining any 102 * required license or other approval from the U. S. Department of Commerce or 103 * any other agency or department of the United States Government. In the 104 * event Licensee exports any such software from the United States or 105 * re-exports any such software from a foreign destination, Licensee shall 106 * ensure that the distribution and export/re-export of the software is in 107 * compliance with all laws, regulations, orders, or other restrictions of the 108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 109 * any of its subsidiaries will export/re-export any technical data, process, 110 * software, or service, directly or indirectly, to any country for which the 111 * United States government or any agency thereof requires an export license, 112 * other governmental approval, or letter of assurance, without first obtaining 113 * such license, approval or letter. 114 * 115 *****************************************************************************/ 116 117 118#define __CMINIT_C__ 119 120#include "acpi.h" 121#include "achware.h" 122#include "acnamesp.h" 123#include "acevents.h" 124#include "acparser.h" 125#include "acdispat.h" 126 127#define _COMPONENT MISCELLANEOUS 128 MODULE_NAME ("cminit") 129 130 131/******************************************************************************* 132 * 133 * FUNCTION: AcpiCmFadtRegisterError 134 * 135 * PARAMETERS: *RegisterName - Pointer to string identifying register 136 * Value - Actual register contents value 137 * AcpiTestSpecSection - TDS section containing assertion 138 * AcpiAssertion - Assertion number being tested 139 * 140 * RETURN: AE_BAD_VALUE 141 * 142 * DESCRIPTION: Display failure message and link failure to TDS assertion 143 * 144 ******************************************************************************/ 145 146static ACPI_STATUS 147AcpiCmFadtRegisterError ( 148 NATIVE_CHAR *RegisterName, 149 UINT64 Value) 150{ 151 152 REPORT_ERROR ( 153 ("Invalid FADT register value, %s = 0x%X (FADT=0x%X)\n", 154 RegisterName, Value, AcpiGbl_FADT)); 155 156 157 return (AE_BAD_VALUE); 158} 159 160 161/****************************************************************************** 162 * 163 * FUNCTION: AcpiCmValidateFadt 164 * 165 * PARAMETERS: None 166 * 167 * RETURN: Status 168 * 169 * DESCRIPTION: Validate various ACPI registers in the FADT 170 * 171 ******************************************************************************/ 172 173ACPI_STATUS 174AcpiCmValidateFadt ( 175 void) 176{ 177 ACPI_STATUS Status = AE_OK; 178 179 180 /* 181 * Verify Fixed ACPI Description Table fields, 182 * but don't abort on any problems, just display error 183 */ 184 185 if (AcpiGbl_FADT->Pm1EvtLen < 4) 186 { 187 Status = AcpiCmFadtRegisterError ("PM1_EVT_LEN", 188 (UINT32) AcpiGbl_FADT->Pm1EvtLen); 189 } 190 191 if (!AcpiGbl_FADT->Pm1CntLen) 192 { 193 Status = AcpiCmFadtRegisterError ("PM1_CNT_LEN", 194 (UINT32) AcpiGbl_FADT->Pm1CntLen); 195 } 196 197 if (!AcpiGbl_FADT->XPm1aEvtBlk.Address) 198 { 199 Status = AcpiCmFadtRegisterError ("PM1a_EVT_BLK", 200 AcpiGbl_FADT->XPm1aEvtBlk.Address); 201 } 202 203 if (!AcpiGbl_FADT->XPm1aCntBlk.Address) 204 { 205 Status = AcpiCmFadtRegisterError ("PM1a_CNT_BLK", 206 AcpiGbl_FADT->XPm1aCntBlk.Address); 207 } 208 209 if (!AcpiGbl_FADT->XPmTmrBlk.Address) 210 { 211 Status = AcpiCmFadtRegisterError ("PM_TMR_BLK", 212 AcpiGbl_FADT->XPmTmrBlk.Address); 213 } 214 215 if ((AcpiGbl_FADT->XPm2CntBlk.Address && 216 !AcpiGbl_FADT->Pm2CntLen)) 217 { 218 Status = AcpiCmFadtRegisterError ("PM2_CNT_LEN", 219 (UINT32) AcpiGbl_FADT->Pm2CntLen); 220 } 221 222 if (AcpiGbl_FADT->PmTmLen < 4) 223 { 224 Status = AcpiCmFadtRegisterError ("PM_TM_LEN", 225 (UINT32) AcpiGbl_FADT->PmTmLen); 226 } 227 228 /* length of GPE blocks must be a multiple of 2 */ 229 230 231 if (AcpiGbl_FADT->XGpe0Blk.Address && 232 (AcpiGbl_FADT->Gpe0BlkLen & 1)) 233 { 234 Status = AcpiCmFadtRegisterError ("GPE0_BLK_LEN", 235 (UINT32) AcpiGbl_FADT->Gpe0BlkLen); 236 } 237 238 if (AcpiGbl_FADT->XGpe1Blk.Address && 239 (AcpiGbl_FADT->Gpe1BlkLen & 1)) 240 { 241 Status = AcpiCmFadtRegisterError ("GPE1_BLK_LEN", 242 (UINT32) AcpiGbl_FADT->Gpe1BlkLen); 243 } 244 245 return (Status); 246} 247 248 249/****************************************************************************** 250 * 251 * FUNCTION: AcpiCmTerminate 252 * 253 * PARAMETERS: none 254 * 255 * RETURN: none 256 * 257 * DESCRIPTION: free memory allocated for table storage. 258 * 259 ******************************************************************************/ 260 261void 262AcpiCmTerminate (void) 263{ 264 265 FUNCTION_TRACE ("CmTerminate"); 266 267 268 /* Free global tables, etc. */ 269 270 if (AcpiGbl_Gpe0EnableRegisterSave) 271 { 272 AcpiCmFree (AcpiGbl_Gpe0EnableRegisterSave); 273 } 274 275 if (AcpiGbl_Gpe1EnableRegisterSave) 276 { 277 AcpiCmFree (AcpiGbl_Gpe1EnableRegisterSave); 278 } 279 280 281 return_VOID; 282} 283 284 285/****************************************************************************** 286 * 287 * FUNCTION: AcpiCmSubsystemShutdown 288 * 289 * PARAMETERS: none 290 * 291 * RETURN: none 292 * 293 * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex 294 * objects here -- because the AML debugger may be still running. 295 * 296 ******************************************************************************/ 297 298ACPI_STATUS 299AcpiCmSubsystemShutdown (void) 300{ 301 302 FUNCTION_TRACE ("CmSubsystemShutdown"); 303 304 /* Just exit if subsystem is already shutdown */ 305 306 if (AcpiGbl_Shutdown) 307 { 308 DEBUG_PRINT (ACPI_ERROR, ("ACPI Subsystem is already terminated\n")); 309 return_ACPI_STATUS (AE_OK); 310 } 311 312 /* Subsystem appears active, go ahead and shut it down */ 313 314 AcpiGbl_Shutdown = TRUE; 315 DEBUG_PRINT (ACPI_INFO, ("Shutting down ACPI Subsystem...\n")); 316 317 318 /* Close the Namespace */ 319 320 AcpiNsTerminate (); 321 322 /* Close the AcpiEvent Handling */ 323 324 AcpiEvTerminate (); 325 326 /* Close the globals */ 327 328 AcpiCmTerminate (); 329 330 /* Flush the local cache(s) */ 331 332 AcpiCmDeleteGenericStateCache (); 333 AcpiCmDeleteObjectCache (); 334 AcpiDsDeleteWalkStateCache (); 335 336 /* Close the Parser */ 337 338 /* TBD: [Restructure] AcpiPsTerminate () */ 339 340 AcpiPsDeleteParseCache (); 341 342 /* Debug only - display leftover memory allocation, if any */ 343#ifdef ENABLE_DEBUGGER 344 AcpiCmDumpCurrentAllocations (ACPI_UINT32_MAX, NULL); 345#endif 346 347 return_ACPI_STATUS (AE_OK); 348} 349 350 351