utinit.c revision 83174
1/****************************************************************************** 2 * 3 * Module Name: utinit - Common ACPI subsystem initialization 4 * $Revision: 101 $ 5 * 6 *****************************************************************************/ 7 8/****************************************************************************** 9 * 10 * 1. Copyright Notice 11 * 12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp. 13 * All rights 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 __UTINIT_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 ACPI_UTILITIES 128 MODULE_NAME ("utinit") 129 130 131#define ACPI_OFFSET(d,o) ((UINT32) &(((d *)0)->o)) 132#define ACPI_FADT_OFFSET(o) ACPI_OFFSET (FADT_DESCRIPTOR, o) 133 134 135/******************************************************************************* 136 * 137 * FUNCTION: AcpiUtFadtRegisterError 138 * 139 * PARAMETERS: *RegisterName - Pointer to string identifying register 140 * Value - Actual register contents value 141 * AcpiTestSpecSection - TDS section containing assertion 142 * AcpiAssertion - Assertion number being tested 143 * 144 * RETURN: AE_BAD_VALUE 145 * 146 * DESCRIPTION: Display failure message and link failure to TDS assertion 147 * 148 ******************************************************************************/ 149 150static ACPI_STATUS 151AcpiUtFadtRegisterError ( 152 NATIVE_CHAR *RegisterName, 153 UINT32 Value, 154 UINT32 Offset) 155{ 156 157 REPORT_ERROR ( 158 ("Invalid FADT value %s=%lX at offset %lX FADT=%p\n", 159 RegisterName, Value, Offset, AcpiGbl_FADT)); 160 161 162 return (AE_BAD_VALUE); 163} 164 165 166/****************************************************************************** 167 * 168 * FUNCTION: AcpiUtValidateFadt 169 * 170 * PARAMETERS: None 171 * 172 * RETURN: Status 173 * 174 * DESCRIPTION: Validate various ACPI registers in the FADT 175 * 176 ******************************************************************************/ 177 178ACPI_STATUS 179AcpiUtValidateFadt ( 180 void) 181{ 182 ACPI_STATUS Status = AE_OK; 183 184 185 /* 186 * Verify Fixed ACPI Description Table fields, 187 * but don't abort on any problems, just display error 188 */ 189 if (AcpiGbl_FADT->Pm1EvtLen < 4) 190 { 191 Status = AcpiUtFadtRegisterError ("PM1_EVT_LEN", 192 (UINT32) AcpiGbl_FADT->Pm1EvtLen, 193 ACPI_FADT_OFFSET (Pm1EvtLen)); 194 } 195 196 if (!AcpiGbl_FADT->Pm1CntLen) 197 { 198 Status = AcpiUtFadtRegisterError ("PM1_CNT_LEN", 0, 199 ACPI_FADT_OFFSET (Pm1CntLen)); 200 } 201 202 if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aEvtBlk.Address)) 203 { 204 Status = AcpiUtFadtRegisterError ("X_PM1a_EVT_BLK", 0, 205 ACPI_FADT_OFFSET (XPm1aEvtBlk.Address)); 206 } 207 208 if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm1aCntBlk.Address)) 209 { 210 Status = AcpiUtFadtRegisterError ("X_PM1a_CNT_BLK", 0, 211 ACPI_FADT_OFFSET (XPm1aCntBlk.Address)); 212 } 213 214 if (!ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPmTmrBlk.Address)) 215 { 216 Status = AcpiUtFadtRegisterError ("X_PM_TMR_BLK", 0, 217 ACPI_FADT_OFFSET (XPmTmrBlk.Address)); 218 } 219 220 if ((ACPI_VALID_ADDRESS (AcpiGbl_FADT->XPm2CntBlk.Address) && 221 !AcpiGbl_FADT->Pm2CntLen)) 222 { 223 Status = AcpiUtFadtRegisterError ("PM2_CNT_LEN", 224 (UINT32) AcpiGbl_FADT->Pm2CntLen, 225 ACPI_FADT_OFFSET (Pm2CntLen)); 226 } 227 228 if (AcpiGbl_FADT->PmTmLen < 4) 229 { 230 Status = AcpiUtFadtRegisterError ("PM_TM_LEN", 231 (UINT32) AcpiGbl_FADT->PmTmLen, 232 ACPI_FADT_OFFSET (PmTmLen)); 233 } 234 235 /* length of GPE blocks must be a multiple of 2 */ 236 237 if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe0Blk.Address) && 238 (AcpiGbl_FADT->Gpe0BlkLen & 1)) 239 { 240 Status = AcpiUtFadtRegisterError ("(x)GPE0_BLK_LEN", 241 (UINT32) AcpiGbl_FADT->Gpe0BlkLen, 242 ACPI_FADT_OFFSET (Gpe0BlkLen)); 243 } 244 245 if (ACPI_VALID_ADDRESS (AcpiGbl_FADT->XGpe1Blk.Address) && 246 (AcpiGbl_FADT->Gpe1BlkLen & 1)) 247 { 248 Status = AcpiUtFadtRegisterError ("(x)GPE1_BLK_LEN", 249 (UINT32) AcpiGbl_FADT->Gpe1BlkLen, 250 ACPI_FADT_OFFSET (Gpe1BlkLen)); 251 } 252 253 return (Status); 254} 255 256 257/****************************************************************************** 258 * 259 * FUNCTION: AcpiUtTerminate 260 * 261 * PARAMETERS: none 262 * 263 * RETURN: none 264 * 265 * DESCRIPTION: free memory allocated for table storage. 266 * 267 ******************************************************************************/ 268 269void 270AcpiUtTerminate (void) 271{ 272 273 FUNCTION_TRACE ("UtTerminate"); 274 275 276 /* Free global tables, etc. */ 277 278 if (AcpiGbl_Gpe0EnableRegisterSave) 279 { 280 ACPI_MEM_FREE (AcpiGbl_Gpe0EnableRegisterSave); 281 } 282 283 if (AcpiGbl_Gpe1EnableRegisterSave) 284 { 285 ACPI_MEM_FREE (AcpiGbl_Gpe1EnableRegisterSave); 286 } 287 288 289 return_VOID; 290} 291 292 293/******************************************************************************* 294 * 295 * FUNCTION: AcpiUtSubsystemShutdown 296 * 297 * PARAMETERS: none 298 * 299 * RETURN: none 300 * 301 * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex 302 * objects here -- because the AML debugger may be still running. 303 * 304 ******************************************************************************/ 305 306ACPI_STATUS 307AcpiUtSubsystemShutdown (void) 308{ 309 310 FUNCTION_TRACE ("UtSubsystemShutdown"); 311 312 /* Just exit if subsystem is already shutdown */ 313 314 if (AcpiGbl_Shutdown) 315 { 316 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "ACPI Subsystem is already terminated\n")); 317 return_ACPI_STATUS (AE_OK); 318 } 319 320 /* Subsystem appears active, go ahead and shut it down */ 321 322 AcpiGbl_Shutdown = TRUE; 323 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem...\n")); 324 325 326 /* Close the Namespace */ 327 328 AcpiNsTerminate (); 329 330 /* Close the AcpiEvent Handling */ 331 332 AcpiEvTerminate (); 333 334 /* Close the globals */ 335 336 AcpiUtTerminate (); 337 338 /* Flush the local cache(s) */ 339 340 AcpiUtDeleteGenericStateCache (); 341 AcpiUtDeleteObjectCache (); 342 AcpiDsDeleteWalkStateCache (); 343 344 /* Close the Parser */ 345 346 /* TBD: [Restructure] AcpiPsTerminate () */ 347 348 AcpiPsDeleteParseCache (); 349 350 /* Debug only - display leftover memory allocation, if any */ 351 352#ifdef ACPI_DBG_TRACK_ALLOCATIONS 353 AcpiUtDumpCurrentAllocations (ACPI_UINT32_MAX, NULL); 354#endif 355 356 return_ACPI_STATUS (AE_OK); 357} 358 359 360