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 | |