| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: psopinfo - AML opcode information functions and dispatch tables |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, 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 "acpi.h" |
| 45 | #include "accommon.h" |
| 46 | #include "acparser.h" |
| 47 | #include "acopcode.h" |
| 48 | #include "amlcode.h" |
| 49 | |
| 50 | |
| 51 | #define _COMPONENT ACPI_PARSER |
| 52 | ACPI_MODULE_NAME ("psopinfo" ) |
| 53 | |
| 54 | |
| 55 | static const UINT8 AcpiGbl_ArgumentCount[] = {0,1,1,1,1,2,2,2,2,3,3,6}; |
| 56 | |
| 57 | |
| 58 | /******************************************************************************* |
| 59 | * |
| 60 | * FUNCTION: AcpiPsGetOpcodeInfo |
| 61 | * |
| 62 | * PARAMETERS: Opcode - The AML opcode |
| 63 | * |
| 64 | * RETURN: A pointer to the info about the opcode. |
| 65 | * |
| 66 | * DESCRIPTION: Find AML opcode description based on the opcode. |
| 67 | * NOTE: This procedure must ALWAYS return a valid pointer! |
| 68 | * |
| 69 | ******************************************************************************/ |
| 70 | |
| 71 | const ACPI_OPCODE_INFO * |
| 72 | AcpiPsGetOpcodeInfo ( |
| 73 | UINT16 Opcode) |
| 74 | { |
| 75 | #ifdef ACPI_DEBUG_OUTPUT |
| 76 | const char *OpcodeName = "Unknown AML opcode" ; |
| 77 | #endif |
| 78 | |
| 79 | ACPI_FUNCTION_NAME (PsGetOpcodeInfo); |
| 80 | |
| 81 | |
| 82 | /* |
| 83 | * Detect normal 8-bit opcode or extended 16-bit opcode |
| 84 | */ |
| 85 | if (!(Opcode & 0xFF00)) |
| 86 | { |
| 87 | /* Simple (8-bit) opcode: 0-255, can't index beyond table */ |
| 88 | |
| 89 | return (&AcpiGbl_AmlOpInfo [AcpiGbl_ShortOpIndex [(UINT8) Opcode]]); |
| 90 | } |
| 91 | |
| 92 | if (((Opcode & 0xFF00) == AML_EXTENDED_OPCODE) && |
| 93 | (((UINT8) Opcode) <= MAX_EXTENDED_OPCODE)) |
| 94 | { |
| 95 | /* Valid extended (16-bit) opcode */ |
| 96 | |
| 97 | return (&AcpiGbl_AmlOpInfo [AcpiGbl_LongOpIndex [(UINT8) Opcode]]); |
| 98 | } |
| 99 | |
| 100 | #if defined ACPI_ASL_COMPILER && defined ACPI_DEBUG_OUTPUT |
| 101 | #include "asldefine.h" |
| 102 | |
| 103 | switch (Opcode) |
| 104 | { |
| 105 | case AML_RAW_DATA_BYTE: |
| 106 | OpcodeName = "-Raw Data Byte-" ; |
| 107 | break; |
| 108 | |
| 109 | case AML_RAW_DATA_WORD: |
| 110 | OpcodeName = "-Raw Data Word-" ; |
| 111 | break; |
| 112 | |
| 113 | case AML_RAW_DATA_DWORD: |
| 114 | OpcodeName = "-Raw Data Dword-" ; |
| 115 | break; |
| 116 | |
| 117 | case AML_RAW_DATA_QWORD: |
| 118 | OpcodeName = "-Raw Data Qword-" ; |
| 119 | break; |
| 120 | |
| 121 | case AML_RAW_DATA_BUFFER: |
| 122 | OpcodeName = "-Raw Data Buffer-" ; |
| 123 | break; |
| 124 | |
| 125 | case AML_RAW_DATA_CHAIN: |
| 126 | OpcodeName = "-Raw Data Buffer Chain-" ; |
| 127 | break; |
| 128 | |
| 129 | case AML_PACKAGE_LENGTH: |
| 130 | OpcodeName = "-Package Length-" ; |
| 131 | break; |
| 132 | |
| 133 | case AML_UNASSIGNED_OPCODE: |
| 134 | OpcodeName = "-Unassigned Opcode-" ; |
| 135 | break; |
| 136 | |
| 137 | case AML_DEFAULT_ARG_OP: |
| 138 | OpcodeName = "-Default Arg-" ; |
| 139 | break; |
| 140 | |
| 141 | default: |
| 142 | break; |
| 143 | } |
| 144 | #endif |
| 145 | |
| 146 | /* Unknown AML opcode */ |
| 147 | |
| 148 | ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| 149 | "%s [%4.4X]\n" , OpcodeName, Opcode)); |
| 150 | |
| 151 | return (&AcpiGbl_AmlOpInfo [_UNK]); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | /******************************************************************************* |
| 156 | * |
| 157 | * FUNCTION: AcpiPsGetOpcodeName |
| 158 | * |
| 159 | * PARAMETERS: Opcode - The AML opcode |
| 160 | * |
| 161 | * RETURN: A pointer to the name of the opcode (ASCII String) |
| 162 | * Note: Never returns NULL. |
| 163 | * |
| 164 | * DESCRIPTION: Translate an opcode into a human-readable string |
| 165 | * |
| 166 | ******************************************************************************/ |
| 167 | |
| 168 | const char * |
| 169 | AcpiPsGetOpcodeName ( |
| 170 | UINT16 Opcode) |
| 171 | { |
| 172 | #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT) |
| 173 | |
| 174 | const ACPI_OPCODE_INFO *Op; |
| 175 | |
| 176 | |
| 177 | Op = AcpiPsGetOpcodeInfo (Opcode); |
| 178 | |
| 179 | /* Always guaranteed to return a valid pointer */ |
| 180 | |
| 181 | return __UNCONST(Op->Name); |
| 182 | |
| 183 | #else |
| 184 | return __UNCONST("OpcodeName unavailable" ); |
| 185 | |
| 186 | #endif |
| 187 | } |
| 188 | |
| 189 | |
| 190 | /******************************************************************************* |
| 191 | * |
| 192 | * FUNCTION: AcpiPsGetArgumentCount |
| 193 | * |
| 194 | * PARAMETERS: OpType - Type associated with the AML opcode |
| 195 | * |
| 196 | * RETURN: Argument count |
| 197 | * |
| 198 | * DESCRIPTION: Obtain the number of expected arguments for an AML opcode |
| 199 | * |
| 200 | ******************************************************************************/ |
| 201 | |
| 202 | UINT8 |
| 203 | AcpiPsGetArgumentCount ( |
| 204 | UINT32 OpType) |
| 205 | { |
| 206 | |
| 207 | if (OpType <= AML_TYPE_EXEC_6A_0T_1R) |
| 208 | { |
| 209 | return (AcpiGbl_ArgumentCount[OpType]); |
| 210 | } |
| 211 | |
| 212 | return (0); |
| 213 | } |
| 214 | |
| 215 | |
| 216 | /* |
| 217 | * This table is directly indexed by the opcodes It returns |
| 218 | * an index into the opcode table (AcpiGbl_AmlOpInfo) |
| 219 | */ |
| 220 | const UINT8 AcpiGbl_ShortOpIndex[256] = |
| 221 | { |
| 222 | /* 0 1 2 3 4 5 6 7 */ |
| 223 | /* 8 9 A B C D E F */ |
| 224 | /* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK, |
| 225 | /* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK, |
| 226 | /* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, 0x81, _UNK, _UNK, |
| 227 | /* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 228 | /* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 229 | /* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX, |
| 230 | /* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D, |
| 231 | /* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 232 | /* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| 233 | /* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| 234 | /* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, |
| 235 | /* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC, |
| 236 | /* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, |
| 237 | /* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK, |
| 238 | /* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, |
| 239 | /* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, |
| 240 | /* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30, |
| 241 | /* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72, |
| 242 | /* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74, |
| 243 | /* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A, |
| 244 | /* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61, |
| 245 | /* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 246 | /* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 247 | /* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 248 | /* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 249 | /* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK, |
| 250 | /* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 251 | /* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 252 | /* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 253 | /* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 254 | /* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 255 | /* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45, |
| 256 | }; |
| 257 | |
| 258 | /* |
| 259 | * This table is indexed by the second opcode of the extended opcode |
| 260 | * pair. It returns an index into the opcode table (AcpiGbl_AmlOpInfo) |
| 261 | */ |
| 262 | const UINT8 AcpiGbl_LongOpIndex[NUM_EXTENDED_OPCODE] = |
| 263 | { |
| 264 | /* 0 1 2 3 4 5 6 7 */ |
| 265 | /* 8 9 A B C D E F */ |
| 266 | /* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 267 | /* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 268 | /* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK, |
| 269 | /* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B, |
| 270 | /* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, |
| 271 | /* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 272 | /* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK, |
| 273 | /* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 274 | /* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 275 | /* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 276 | /* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 277 | /* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 278 | /* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 279 | /* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 280 | /* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 281 | /* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, |
| 282 | /* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 283 | /* 0x88 */ 0x7C, |
| 284 | }; |
| 285 | |