1 /******************************************************************************* 2 * 3 * Module Name: dmutils - AML disassembler utilities 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2015, Intel Corp. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification. 17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 * substantially similar to the "NO WARRANTY" disclaimer below 19 * ("Disclaimer") and any redistribution must be conditioned upon 20 * including a substantially similar Disclaimer requirement for further 21 * binary redistribution. 22 * 3. Neither the names of the above-listed copyright holders nor the names 23 * of any contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * Alternatively, this software may be distributed under the terms of the 27 * GNU General Public License ("GPL") version 2 as published by the Free 28 * Software Foundation. 29 * 30 * NO WARRANTY 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 * POSSIBILITY OF SUCH DAMAGES. 42 */ 43 44 #include <contrib/dev/acpica/include/acpi.h> 45 #include <contrib/dev/acpica/include/accommon.h> 46 #include <contrib/dev/acpica/include/amlcode.h> 47 #include <contrib/dev/acpica/include/acdisasm.h> 48 49 #ifdef ACPI_ASL_COMPILER 50 #include <contrib/dev/acpica/include/acnamesp.h> 51 #endif 52 53 54 #define _COMPONENT ACPI_CA_DEBUGGER 55 ACPI_MODULE_NAME ("dmutils") 56 57 58 /* Data used in keeping track of fields */ 59 #if 0 60 const char *AcpiGbl_FENames[] = 61 { 62 "skip", 63 "?access?" 64 }; /* FE = Field Element */ 65 #endif 66 67 /* Operators for Match() */ 68 69 const char *AcpiGbl_MatchOps[] = 70 { 71 "MTR", 72 "MEQ", 73 "MLE", 74 "MLT", 75 "MGE", 76 "MGT" 77 }; 78 79 /* Access type decoding */ 80 81 const char *AcpiGbl_AccessTypes[] = 82 { 83 "AnyAcc", 84 "ByteAcc", 85 "WordAcc", 86 "DWordAcc", 87 "QWordAcc", 88 "BufferAcc", 89 "InvalidAccType", 90 "InvalidAccType" 91 }; 92 93 /* Lock rule decoding */ 94 95 const char *AcpiGbl_LockRule[] = 96 { 97 "NoLock", 98 "Lock" 99 }; 100 101 /* Update rule decoding */ 102 103 const char *AcpiGbl_UpdateRules[] = 104 { 105 "Preserve", 106 "WriteAsOnes", 107 "WriteAsZeros", 108 "InvalidUpdateRule" 109 }; 110 111 /* Strings used to decode resource descriptors */ 112 113 const char *AcpiGbl_WordDecode[] = 114 { 115 "Memory", 116 "IO", 117 "BusNumber", 118 "UnknownResourceType" 119 }; 120 121 const char *AcpiGbl_IrqDecode[] = 122 { 123 "IRQNoFlags", 124 "IRQ" 125 }; 126 127 128 /******************************************************************************* 129 * 130 * FUNCTION: AcpiDmDecodeAttribute 131 * 132 * PARAMETERS: Attribute - Attribute field of AccessAs keyword 133 * 134 * RETURN: None 135 * 136 * DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus and 137 * GenericSerialBus stuff.) 138 * 139 ******************************************************************************/ 140 141 void 142 AcpiDmDecodeAttribute ( 143 UINT8 Attribute) 144 { 145 146 switch (Attribute) 147 { 148 case AML_FIELD_ATTRIB_QUICK: 149 150 AcpiOsPrintf ("AttribQuick"); 151 break; 152 153 case AML_FIELD_ATTRIB_SEND_RCV: 154 155 AcpiOsPrintf ("AttribSendReceive"); 156 break; 157 158 case AML_FIELD_ATTRIB_BYTE: 159 160 AcpiOsPrintf ("AttribByte"); 161 break; 162 163 case AML_FIELD_ATTRIB_WORD: 164 165 AcpiOsPrintf ("AttribWord"); 166 break; 167 168 case AML_FIELD_ATTRIB_BLOCK: 169 170 AcpiOsPrintf ("AttribBlock"); 171 break; 172 173 case AML_FIELD_ATTRIB_MULTIBYTE: 174 175 AcpiOsPrintf ("AttribBytes"); 176 break; 177 178 case AML_FIELD_ATTRIB_WORD_CALL: 179 180 AcpiOsPrintf ("AttribProcessCall"); 181 break; 182 183 case AML_FIELD_ATTRIB_BLOCK_CALL: 184 185 AcpiOsPrintf ("AttribBlockProcessCall"); 186 break; 187 188 case AML_FIELD_ATTRIB_RAW_BYTES: 189 190 AcpiOsPrintf ("AttribRawBytes"); 191 break; 192 193 case AML_FIELD_ATTRIB_RAW_PROCESS: 194 195 AcpiOsPrintf ("AttribRawProcessBytes"); 196 break; 197 198 default: 199 200 /* A ByteConst is allowed by the grammar */ 201 202 AcpiOsPrintf ("0x%2.2X", Attribute); 203 break; 204 } 205 } 206 207 208 /******************************************************************************* 209 * 210 * FUNCTION: AcpiDmIndent 211 * 212 * PARAMETERS: Level - Current source code indentation level 213 * 214 * RETURN: None 215 * 216 * DESCRIPTION: Indent 4 spaces per indentation level. 217 * 218 ******************************************************************************/ 219 220 void 221 AcpiDmIndent ( 222 UINT32 Level) 223 { 224 225 if (!Level) 226 { 227 return; 228 } 229 230 AcpiOsPrintf ("%*.s", ACPI_MUL_4 (Level), " "); 231 } 232 233 234 /******************************************************************************* 235 * 236 * FUNCTION: AcpiDmCommaIfListMember 237 * 238 * PARAMETERS: Op - Current operator/operand 239 * 240 * RETURN: TRUE if a comma was inserted 241 * 242 * DESCRIPTION: Insert a comma if this Op is a member of an argument list. 243 * 244 ******************************************************************************/ 245 246 BOOLEAN 247 AcpiDmCommaIfListMember ( 248 ACPI_PARSE_OBJECT *Op) 249 { 250 251 if (!Op->Common.Next) 252 { 253 return (FALSE); 254 } 255 256 if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST) 257 { 258 /* Exit if Target has been marked IGNORE */ 259 260 if (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_IGNORE) 261 { 262 return (FALSE); 263 } 264 265 /* Check for a NULL target operand */ 266 267 if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 268 (!Op->Common.Next->Common.Value.String)) 269 { 270 /* 271 * To handle the Divide() case where there are two optional 272 * targets, look ahead one more op. If null, this null target 273 * is the one and only target -- no comma needed. Otherwise, 274 * we need a comma to prepare for the next target. 275 */ 276 if (!Op->Common.Next->Common.Next) 277 { 278 return (FALSE); 279 } 280 } 281 282 if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) && 283 (!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))) 284 { 285 return (FALSE); 286 } 287 288 /* Emit comma only if this is not a C-style operator */ 289 290 if (!Op->Common.OperatorSymbol) 291 { 292 AcpiOsPrintf (", "); 293 } 294 295 return (TRUE); 296 } 297 298 else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) && 299 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) 300 { 301 AcpiOsPrintf (", "); 302 return (TRUE); 303 } 304 305 return (FALSE); 306 } 307 308 309 /******************************************************************************* 310 * 311 * FUNCTION: AcpiDmCommaIfFieldMember 312 * 313 * PARAMETERS: Op - Current operator/operand 314 * 315 * RETURN: None 316 * 317 * DESCRIPTION: Insert a comma if this Op is a member of a Field argument list. 318 * 319 ******************************************************************************/ 320 321 void 322 AcpiDmCommaIfFieldMember ( 323 ACPI_PARSE_OBJECT *Op) 324 { 325 326 if (Op->Common.Next) 327 { 328 AcpiOsPrintf (", "); 329 } 330 } 331