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Bob Moore42f8fb72013-01-11 13:08:51 +01001/******************************************************************************
2 *
3 * Module Name: psopinfo - AML opcode information functions and dispatch tables
4 *
5 *****************************************************************************/
6
7/*
Bob Moorec8100dc2016-01-15 08:17:03 +08008 * Copyright (C) 2000 - 2016, Intel Corp.
Bob Moore42f8fb72013-01-11 13:08:51 +01009 * 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/acpi.h>
45#include "accommon.h"
46#include "acparser.h"
47#include "acopcode.h"
48#include "amlcode.h"
49
50#define _COMPONENT ACPI_PARSER
51ACPI_MODULE_NAME("psopinfo")
52
Bob Moore42f8fb72013-01-11 13:08:51 +010053static const u8 acpi_gbl_argument_count[] =
54 { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
55
56/*******************************************************************************
57 *
58 * FUNCTION: acpi_ps_get_opcode_info
59 *
60 * PARAMETERS: opcode - The AML opcode
61 *
62 * RETURN: A pointer to the info about the opcode.
63 *
64 * DESCRIPTION: Find AML opcode description based on the opcode.
65 * NOTE: This procedure must ALWAYS return a valid pointer!
66 *
67 ******************************************************************************/
68
69const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
70{
Bob Moore5d4de9a2014-01-08 13:44:32 +080071#ifdef ACPI_DEBUG_OUTPUT
Bob Moore20c40de2014-01-08 13:44:26 +080072 const char *opcode_name = "Unknown AML opcode";
Bob Moore5d4de9a2014-01-08 13:44:32 +080073#endif
Bob Moore20c40de2014-01-08 13:44:26 +080074
Bob Moore42f8fb72013-01-11 13:08:51 +010075 ACPI_FUNCTION_NAME(ps_get_opcode_info);
76
77 /*
78 * Detect normal 8-bit opcode or extended 16-bit opcode
79 */
80 if (!(opcode & 0xFF00)) {
81
82 /* Simple (8-bit) opcode: 0-255, can't index beyond table */
83
84 return (&acpi_gbl_aml_op_info
85 [acpi_gbl_short_op_index[(u8)opcode]]);
86 }
87
88 if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
89 (((u8)opcode) <= MAX_EXTENDED_OPCODE)) {
90
91 /* Valid extended (16-bit) opcode */
92
93 return (&acpi_gbl_aml_op_info
94 [acpi_gbl_long_op_index[(u8)opcode]]);
95 }
Bob Moore5d4de9a2014-01-08 13:44:32 +080096#if defined ACPI_ASL_COMPILER && defined ACPI_DEBUG_OUTPUT
Bob Moore20c40de2014-01-08 13:44:26 +080097#include "asldefine.h"
98
99 switch (opcode) {
100 case AML_RAW_DATA_BYTE:
101 opcode_name = "-Raw Data Byte-";
102 break;
103
104 case AML_RAW_DATA_WORD:
105 opcode_name = "-Raw Data Word-";
106 break;
107
108 case AML_RAW_DATA_DWORD:
109 opcode_name = "-Raw Data Dword-";
110 break;
111
112 case AML_RAW_DATA_QWORD:
113 opcode_name = "-Raw Data Qword-";
114 break;
115
116 case AML_RAW_DATA_BUFFER:
117 opcode_name = "-Raw Data Buffer-";
118 break;
119
120 case AML_RAW_DATA_CHAIN:
121 opcode_name = "-Raw Data Buffer Chain-";
122 break;
123
124 case AML_PACKAGE_LENGTH:
125 opcode_name = "-Package Length-";
126 break;
127
128 case AML_UNASSIGNED_OPCODE:
129 opcode_name = "-Unassigned Opcode-";
130 break;
131
132 case AML_DEFAULT_ARG_OP:
133 opcode_name = "-Default Arg-";
134 break;
135
136 default:
137 break;
138 }
139#endif
Bob Moore42f8fb72013-01-11 13:08:51 +0100140
141 /* Unknown AML opcode */
142
Bob Moore20c40de2014-01-08 13:44:26 +0800143 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%4.4X]\n", opcode_name, opcode));
Bob Moore42f8fb72013-01-11 13:08:51 +0100144
145 return (&acpi_gbl_aml_op_info[_UNK]);
146}
147
148/*******************************************************************************
149 *
150 * FUNCTION: acpi_ps_get_opcode_name
151 *
152 * PARAMETERS: opcode - The AML opcode
153 *
154 * RETURN: A pointer to the name of the opcode (ASCII String)
155 * Note: Never returns NULL.
156 *
157 * DESCRIPTION: Translate an opcode into a human-readable string
158 *
159 ******************************************************************************/
160
161char *acpi_ps_get_opcode_name(u16 opcode)
162{
163#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
164
165 const struct acpi_opcode_info *op;
166
167 op = acpi_ps_get_opcode_info(opcode);
168
169 /* Always guaranteed to return a valid pointer */
170
171 return (op->name);
172
173#else
174 return ("OpcodeName unavailable");
175
176#endif
177}
178
179/*******************************************************************************
180 *
181 * FUNCTION: acpi_ps_get_argument_count
182 *
183 * PARAMETERS: op_type - Type associated with the AML opcode
184 *
185 * RETURN: Argument count
186 *
187 * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
188 *
189 ******************************************************************************/
190
191u8 acpi_ps_get_argument_count(u32 op_type)
192{
193
194 if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
195 return (acpi_gbl_argument_count[op_type]);
196 }
197
198 return (0);
199}
200
201/*
202 * This table is directly indexed by the opcodes It returns
203 * an index into the opcode table (acpi_gbl_aml_op_info)
204 */
205const u8 acpi_gbl_short_op_index[256] = {
206/* 0 1 2 3 4 5 6 7 */
207/* 8 9 A B C D E F */
208/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
209/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
Bob Moore56a3d5e2015-04-13 11:50:32 +0800210/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, 0x81, _UNK, _UNK,
Bob Moore42f8fb72013-01-11 13:08:51 +0100211/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
212/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
213/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
214/* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
215/* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
216/* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
217/* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
218/* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
219/* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
220/* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
221/* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
222/* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
223/* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
224/* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
225/* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
226/* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
227/* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
228/* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
229/* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
230/* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
231/* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
232/* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
233/* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
234/* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
235/* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
236/* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
237/* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
238/* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
239/* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
240};
241
242/*
243 * This table is indexed by the second opcode of the extended opcode
244 * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
245 */
246const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
247/* 0 1 2 3 4 5 6 7 */
248/* 8 9 A B C D E F */
249/* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
250/* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
251/* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
252/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
253/* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
254/* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
255/* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
256/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
257/* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
258/* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
259/* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
260/* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
261/* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
262/* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
263/* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
264/* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
265/* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
266/* 0x88 */ 0x7C,
267};