1 /******************************************************************************* 2 * 3 * Module Name: dmutils - AML disassembler utilities 4 * 5 ******************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2011, 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 45 #include "acpi.h" 46 #include "accommon.h" 47 #include "amlcode.h" 48 #include "acdisasm.h" 49 50 #ifdef ACPI_ASL_COMPILER 51 #include <acnamesp.h> 52 #endif 53 54 #ifdef ACPI_DISASSEMBLER 55 56 #define _COMPONENT ACPI_CA_DEBUGGER 57 ACPI_MODULE_NAME ("dmutils") 58 59 60 /* Data used in keeping track of fields */ 61 #if 0 62 const char *AcpiGbl_FENames[] = 63 { 64 "skip", 65 "?access?" 66 }; /* FE = Field Element */ 67 #endif 68 69 /* Operators for Match() */ 70 71 const char *AcpiGbl_MatchOps[] = 72 { 73 "MTR", 74 "MEQ", 75 "MLE", 76 "MLT", 77 "MGE", 78 "MGT" 79 }; 80 81 /* Access type decoding */ 82 83 const char *AcpiGbl_AccessTypes[] = 84 { 85 "AnyAcc", 86 "ByteAcc", 87 "WordAcc", 88 "DWordAcc", 89 "QWordAcc", 90 "BufferAcc", 91 "InvalidAccType", 92 "InvalidAccType" 93 }; 94 95 /* Lock rule decoding */ 96 97 const char *AcpiGbl_LockRule[] = 98 { 99 "NoLock", 100 "Lock" 101 }; 102 103 /* Update rule decoding */ 104 105 const char *AcpiGbl_UpdateRules[] = 106 { 107 "Preserve", 108 "WriteAsOnes", 109 "WriteAsZeros", 110 "InvalidUpdateRule" 111 }; 112 113 /* Strings used to decode resource descriptors */ 114 115 const char *AcpiGbl_WordDecode[] = 116 { 117 "Memory", 118 "IO", 119 "BusNumber", 120 "UnknownResourceType" 121 }; 122 123 const char *AcpiGbl_IrqDecode[] = 124 { 125 "IRQNoFlags", 126 "IRQ" 127 }; 128 129 130 /******************************************************************************* 131 * 132 * FUNCTION: AcpiDmDecodeAttribute 133 * 134 * PARAMETERS: Attribute - Attribute field of AccessAs keyword 135 * 136 * RETURN: None 137 * 138 * DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus stuff) 139 * 140 ******************************************************************************/ 141 142 void 143 AcpiDmDecodeAttribute ( 144 UINT8 Attribute) 145 { 146 147 switch (Attribute) 148 { 149 case AML_FIELD_ATTRIB_SMB_QUICK: 150 151 AcpiOsPrintf ("SMBQuick"); 152 break; 153 154 case AML_FIELD_ATTRIB_SMB_SEND_RCV: 155 156 AcpiOsPrintf ("SMBSendReceive"); 157 break; 158 159 case AML_FIELD_ATTRIB_SMB_BYTE: 160 161 AcpiOsPrintf ("SMBByte"); 162 break; 163 164 case AML_FIELD_ATTRIB_SMB_WORD: 165 166 AcpiOsPrintf ("SMBWord"); 167 break; 168 169 case AML_FIELD_ATTRIB_SMB_WORD_CALL: 170 171 AcpiOsPrintf ("SMBProcessCall"); 172 break; 173 174 case AML_FIELD_ATTRIB_SMB_BLOCK: 175 176 AcpiOsPrintf ("SMBBlock"); 177 break; 178 179 case AML_FIELD_ATTRIB_SMB_BLOCK_CALL: 180 181 AcpiOsPrintf ("SMBBlockProcessCall"); 182 break; 183 184 default: 185 186 AcpiOsPrintf ("0x%.2X", Attribute); 187 break; 188 } 189 } 190 191 192 /******************************************************************************* 193 * 194 * FUNCTION: AcpiDmIndent 195 * 196 * PARAMETERS: Level - Current source code indentation level 197 * 198 * RETURN: None 199 * 200 * DESCRIPTION: Indent 4 spaces per indentation level. 201 * 202 ******************************************************************************/ 203 204 void 205 AcpiDmIndent ( 206 UINT32 Level) 207 { 208 209 if (!Level) 210 { 211 return; 212 } 213 214 AcpiOsPrintf ("%*.s", ACPI_MUL_4 (Level), " "); 215 } 216 217 218 /******************************************************************************* 219 * 220 * FUNCTION: AcpiDmCommaIfListMember 221 * 222 * PARAMETERS: Op - Current operator/operand 223 * 224 * RETURN: TRUE if a comma was inserted 225 * 226 * DESCRIPTION: Insert a comma if this Op is a member of an argument list. 227 * 228 ******************************************************************************/ 229 230 BOOLEAN 231 AcpiDmCommaIfListMember ( 232 ACPI_PARSE_OBJECT *Op) 233 { 234 235 if (!Op->Common.Next) 236 { 237 return FALSE; 238 } 239 240 if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST) 241 { 242 /* Check for a NULL target operand */ 243 244 if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) && 245 (!Op->Common.Next->Common.Value.String)) 246 { 247 /* 248 * To handle the Divide() case where there are two optional 249 * targets, look ahead one more op. If null, this null target 250 * is the one and only target -- no comma needed. Otherwise, 251 * we need a comma to prepare for the next target. 252 */ 253 if (!Op->Common.Next->Common.Next) 254 { 255 return FALSE; 256 } 257 } 258 259 if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) && 260 (!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST))) 261 { 262 return FALSE; 263 } 264 265 AcpiOsPrintf (", "); 266 return (TRUE); 267 } 268 269 else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST) && 270 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) 271 { 272 AcpiOsPrintf (", "); 273 return (TRUE); 274 } 275 276 return (FALSE); 277 } 278 279 280 /******************************************************************************* 281 * 282 * FUNCTION: AcpiDmCommaIfFieldMember 283 * 284 * PARAMETERS: Op - Current operator/operand 285 * 286 * RETURN: None 287 * 288 * DESCRIPTION: Insert a comma if this Op is a member of a Field argument list. 289 * 290 ******************************************************************************/ 291 292 void 293 AcpiDmCommaIfFieldMember ( 294 ACPI_PARSE_OBJECT *Op) 295 { 296 297 if (Op->Common.Next) 298 { 299 AcpiOsPrintf (", "); 300 } 301 } 302 303 #endif 304