1 /* $NetBSD: OsdMisc.c,v 1.16 2017/01/25 13:38:40 christos Exp $ */ 2 3 /* 4 * Copyright 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Copyright (C) 2000 - 2017, Intel Corp. 40 * All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions, and the following disclaimer, 47 * without modification. 48 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 49 * substantially similar to the "NO WARRANTY" disclaimer below 50 * ("Disclaimer") and any redistribution must be conditioned upon 51 * including a substantially similar Disclaimer requirement for further 52 * binary redistribution. 53 * 3. Neither the names of the above-listed copyright holders nor the names 54 * of any contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * Alternatively, this software may be distributed under the terms of the 58 * GNU General Public License ("GPL") version 2 as published by the Free 59 * Software Foundation. 60 * 61 * NO WARRANTY 62 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 63 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 64 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 65 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 66 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 70 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 71 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 72 * POSSIBILITY OF SUCH DAMAGES. 73 */ 74 75 /* 76 * OS Services Layer 77 * 78 * 6.10: Miscellaneous 79 */ 80 81 #include <sys/cdefs.h> 82 __KERNEL_RCSID(0, "$NetBSD: OsdMisc.c,v 1.16 2017/01/25 13:38:40 christos Exp $"); 83 84 #include "opt_acpi.h" 85 #include "opt_ddb.h" 86 87 #include <sys/param.h> 88 #include <sys/systm.h> 89 90 #include <machine/db_machdep.h> 91 92 #include <ddb/db_extern.h> 93 #include <ddb/db_output.h> 94 95 #include <dev/acpi/acpica.h> 96 #include <dev/acpi/acpi_osd.h> 97 98 #ifdef ACPI_DEBUG 99 #include <external/bsd/acpica/dist/include/acpi.h> 100 #include <external/bsd/acpica/dist/include/accommon.h> 101 #include <external/bsd/acpica/dist/include/acdebug.h> 102 #endif 103 104 #ifdef ACPI_DSDT_OVERRIDE 105 #ifndef ACPI_DSDT_FILE 106 #define ACPI_DSDT_FILE "dsdt.hex" 107 #endif 108 #include ACPI_DSDT_FILE 109 #endif 110 111 int acpi_indebugger; 112 113 /* 114 * AcpiOsSignal: 115 * 116 * Break to the debugger or display a breakpoint message. 117 */ 118 ACPI_STATUS 119 AcpiOsSignal(UINT32 Function, void *Info) 120 { 121 /* 122 * the upper layer might call with Info = NULL, 123 * which makes little sense. 124 */ 125 if (Info == NULL) 126 return AE_NO_MEMORY; 127 128 switch (Function) { 129 case ACPI_SIGNAL_FATAL: 130 { 131 ACPI_SIGNAL_FATAL_INFO *info = Info; 132 133 panic("ACPI fatal signal: " 134 "Type 0x%08x, Code 0x%08x, Argument 0x%08x", 135 info->Type, info->Code, info->Argument); 136 /* NOTREACHED */ 137 break; 138 } 139 140 case ACPI_SIGNAL_BREAKPOINT: 141 { 142 #ifdef ACPI_BREAKPOINT 143 char *info = Info; 144 145 printf("%s\n", info); 146 # if defined(DDB) 147 Debugger(); 148 # else 149 printf("ACPI: WARNING: DDB not configured into kernel.\n"); 150 return AE_NOT_EXIST; 151 # endif 152 #endif 153 break; 154 } 155 156 default: 157 return AE_BAD_PARAMETER; 158 } 159 160 return AE_OK; 161 } 162 163 ACPI_STATUS 164 AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead) 165 { 166 #if defined(DDB) 167 char *cp; 168 169 db_readline(Buffer, 80); 170 for (cp = Buffer; *cp != 0; cp++) 171 if (*cp == '\n' || *cp == '\r') 172 *cp = 0; 173 db_output_line = 0; 174 return AE_OK; 175 #else 176 printf("ACPI: WARNING: DDB not configured into kernel.\n"); 177 return AE_NOT_EXIST; 178 #endif 179 } 180 181 ACPI_STATUS 182 AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable, 183 ACPI_TABLE_HEADER **NewTable) 184 { 185 #ifndef ACPI_DSDT_OVERRIDE 186 *NewTable = NULL; 187 #else 188 if (strncmp(ExistingTable->Signature, "DSDT", 4) == 0) 189 *NewTable = (ACPI_TABLE_HEADER *)AmlCode; 190 else 191 *NewTable = NULL; 192 #endif 193 return AE_OK; 194 } 195 196 ACPI_STATUS 197 AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal, 198 ACPI_STRING *NewVal) 199 { 200 if (!InitVal || !NewVal) 201 return AE_BAD_PARAMETER; 202 203 *NewVal = NULL; 204 return AE_OK; 205 } 206 207 208 /* 209 * AcpiOsPhysicalTableOverride: 210 * 211 * ExistingTable - Header of current table (probably firmware) 212 * NewAddress - Where new table address is returned 213 * (Physical address) 214 * NewTableLength - Where new table length is returned 215 * 216 * RETURN: Status, address/length of new table. Null pointer returned 217 * if no table is available to override. 218 * 219 * DESCRIPTION: Returns AE_SUPPORT, function not used in user space. 220 */ 221 ACPI_STATUS 222 AcpiOsPhysicalTableOverride ( 223 ACPI_TABLE_HEADER *ExistingTable, 224 ACPI_PHYSICAL_ADDRESS *NewAddress, 225 UINT32 *NewTableLength) 226 { 227 228 return AE_SUPPORT; 229 } 230 231 /****************************************************************************** 232 * 233 * FUNCTION: AcpiOsEnterSleep 234 * 235 * PARAMETERS: SleepState - Which sleep state to enter 236 * RegaValue - Register A value 237 * RegbValue - Register B value 238 * 239 * RETURN: Status 240 * 241 * DESCRIPTION: A hook before writing sleep registers to enter the sleep 242 * state. Return AE_CTRL_TERMINATE to skip further sleep register 243 * writes. 244 * 245 *****************************************************************************/ 246 247 ACPI_STATUS 248 AcpiOsEnterSleep ( 249 UINT8 SleepState, 250 UINT32 RegaValue, 251 UINT32 RegbValue) 252 { 253 254 return AE_OK; 255 } 256 257 258 /* 259 * acpi_osd_debugger: 260 * 261 * Enter the ACPICA debugger. 262 */ 263 void 264 acpi_osd_debugger(void) 265 { 266 #ifdef ACPI_DEBUG 267 label_t acpi_jmpbuf; 268 label_t *savejmp; 269 270 printf("Entering ACPICA debugger...\n"); 271 savejmp = db_recover; 272 setjmp(&acpi_jmpbuf); 273 db_recover = &acpi_jmpbuf; 274 275 acpi_indebugger = 1; 276 AcpiDbUserCommands(); 277 acpi_indebugger = 0; 278 279 db_recover = savejmp; 280 #else 281 printf("ACPI: WARNING: ACPICA debugger not present.\n"); 282 #endif 283 } 284 285 #ifdef ACPI_DEBUG 286 287 #define _COMPONENT ACPI_CA_DEBUGGER 288 ACPI_MODULE_NAME ("osnetbsdbg") 289 290 291 /****************************************************************************** 292 * 293 * FUNCTION: AcpiOsWaitCommandReady 294 * 295 * PARAMETERS: None 296 * 297 * RETURN: Status 298 * 299 * DESCRIPTION: Negotiate with the debugger foreground thread (the user 300 * thread) to wait the readiness of a command. 301 * 302 *****************************************************************************/ 303 304 ACPI_STATUS 305 AcpiOsWaitCommandReady ( 306 void) 307 { 308 ACPI_STATUS Status; 309 /* Force output to console until a command is entered */ 310 311 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT); 312 313 /* Different prompt if method is executing */ 314 315 if (!AcpiGbl_MethodExecuting) 316 { 317 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT); 318 } 319 else 320 { 321 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT); 322 } 323 324 /* Get the user input line */ 325 326 Status = AcpiOsGetLine (AcpiGbl_DbLineBuf, 327 ACPI_DB_LINE_BUFFER_SIZE, NULL); 328 329 if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE) 330 { 331 ACPI_EXCEPTION ((AE_INFO, Status, 332 "While parsing/handling command line")); 333 } 334 return (Status); 335 } 336 337 338 /****************************************************************************** 339 * 340 * FUNCTION: AcpiOsNotifyCommandComplete 341 * 342 * PARAMETERS: void 343 * 344 * RETURN: Status 345 * 346 * DESCRIPTION: Negotiate with the debugger foreground thread (the user 347 * thread) to notify the completion of a command. 348 * 349 *****************************************************************************/ 350 351 ACPI_STATUS 352 AcpiOsNotifyCommandComplete ( 353 void) 354 { 355 356 return AE_OK; 357 } 358 359 360 /****************************************************************************** 361 * 362 * FUNCTION: AcpiOsInitializeDebugger 363 * 364 * PARAMETERS: None 365 * 366 * RETURN: Status 367 * 368 * DESCRIPTION: Initialize OSPM specific part of the debugger 369 * 370 *****************************************************************************/ 371 372 ACPI_STATUS 373 AcpiOsInitializeDebugger ( 374 void) 375 { 376 return AE_OK; 377 } 378 379 380 /****************************************************************************** 381 * 382 * FUNCTION: AcpiOsTerminateDebugger 383 * 384 * PARAMETERS: None 385 * 386 * RETURN: None 387 * 388 * DESCRIPTION: Terminate signals used by the multi-threading debugger 389 * 390 *****************************************************************************/ 391 392 void 393 AcpiOsTerminateDebugger ( 394 void) 395 { 396 } 397 398 399 /****************************************************************************** 400 * 401 * FUNCTION: AcpiRunDebugger 402 * 403 * PARAMETERS: BatchBuffer - Buffer containing commands running in 404 * the batch mode 405 * 406 * RETURN: None 407 * 408 * DESCRIPTION: Run a local/remote debugger 409 * 410 *****************************************************************************/ 411 412 void 413 AcpiRunDebugger ( 414 char *BatchBuffer) 415 { 416 AcpiDbUserCommands (); 417 } 418 419 ACPI_EXPORT_SYMBOL (AcpiRunDebugger) 420 #endif 421
Indexes created Mon Sep 29 21:09:56 GMT 2025