1
2 /******************************************************************************
3 *
4 * Module Name: exoparg3 - AML execution - opcodes with 3 arguments
5 *
6 *****************************************************************************/
7
8 /*
9 * Copyright (C) 2000 - 2011, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
113 (UINT32) Operand[1]->Integer.Value,
114 (UINT32) Operand[2]->Integer.Value));
115
116 Fatal = ACPI_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO));
117 if (Fatal)
118 {
119 Fatal->Type = (UINT32) Operand[0]->Integer.Value;
120 Fatal->Code = (UINT32) Operand[1]->Integer.Value;
121 Fatal->Argument = (UINT32) Operand[2]->Integer.Value;
122 }
123
124 /* Always signal the OS! */
125
126 Status = AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal);
127
128 /* Might return while OS is shutting down, just continue */
129
130 ACPI_FREE (Fatal);
131 break;
132
133
134 default:
135
136 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
137 WalkState->Opcode));
138 Status = AE_AML_BAD_OPCODE;
139 goto Cleanup;
140 }
141
142
143 Cleanup:
144
145 return_ACPI_STATUS (Status);
146 }
147
148
149 /*******************************************************************************
150 *
151 * FUNCTION: AcpiExOpcode_3A_1T_1R
152 *
153 * PARAMETERS: WalkState - Current walk state
160
161 ACPI_STATUS
162 AcpiExOpcode_3A_1T_1R (
163 ACPI_WALK_STATE *WalkState)
164 {
165 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
166 ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
167 char *Buffer = NULL;
168 ACPI_STATUS Status = AE_OK;
169 UINT64 Index;
170 ACPI_SIZE Length;
171
172
173 ACPI_FUNCTION_TRACE_STR (ExOpcode_3A_1T_1R,
174 AcpiPsGetOpcodeName (WalkState->Opcode));
175
176
177 switch (WalkState->Opcode)
178 {
179 case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
180
181 /*
182 * Create the return object. The Source operand is guaranteed to be
183 * either a String or a Buffer, so just use its type.
184 */
185 ReturnDesc = AcpiUtCreateInternalObject (
186 (Operand[0])->Common.Type);
187 if (!ReturnDesc)
188 {
189 Status = AE_NO_MEMORY;
190 goto Cleanup;
191 }
192
193 /* Get the Integer values from the objects */
194
195 Index = Operand[1]->Integer.Value;
196 Length = (ACPI_SIZE) Operand[2]->Integer.Value;
197
198 /*
199 * If the index is beyond the length of the String/Buffer, or if the
200 * requested length is zero, return a zero-length String/Buffer
252 }
253
254 if (Buffer)
255 {
256 /* We have a buffer, copy the portion requested */
257
258 ACPI_MEMCPY (Buffer, Operand[0]->String.Pointer + Index,
259 Length);
260 }
261
262 /* Set the length of the new String/Buffer */
263
264 ReturnDesc->String.Pointer = Buffer;
265 ReturnDesc->String.Length = (UINT32) Length;
266
267 /* Mark buffer initialized */
268
269 ReturnDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
270 break;
271
272
273 default:
274
275 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
276 WalkState->Opcode));
277 Status = AE_AML_BAD_OPCODE;
278 goto Cleanup;
279 }
280
281 /* Store the result in the target */
282
283 Status = AcpiExStore (ReturnDesc, Operand[3], WalkState);
284
285 Cleanup:
286
287 /* Delete return object on error */
288
289 if (ACPI_FAILURE (Status) || WalkState->ResultObj)
290 {
291 AcpiUtRemoveReference (ReturnDesc);
292 WalkState->ResultObj = NULL;
293 }
294
295 /* Set the return object and exit */
296
297 else
298 {
299 WalkState->ResultObj = ReturnDesc;
300 }
301 return_ACPI_STATUS (Status);
302 }
303
304
|
1 /******************************************************************************
2 *
3 * Module Name: exoparg3 - AML execution - opcodes with 3 arguments
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, 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.
112 (UINT32) Operand[1]->Integer.Value,
113 (UINT32) Operand[2]->Integer.Value));
114
115 Fatal = ACPI_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO));
116 if (Fatal)
117 {
118 Fatal->Type = (UINT32) Operand[0]->Integer.Value;
119 Fatal->Code = (UINT32) Operand[1]->Integer.Value;
120 Fatal->Argument = (UINT32) Operand[2]->Integer.Value;
121 }
122
123 /* Always signal the OS! */
124
125 Status = AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal);
126
127 /* Might return while OS is shutting down, just continue */
128
129 ACPI_FREE (Fatal);
130 break;
131
132 default:
133
134 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
135 WalkState->Opcode));
136 Status = AE_AML_BAD_OPCODE;
137 goto Cleanup;
138 }
139
140
141 Cleanup:
142
143 return_ACPI_STATUS (Status);
144 }
145
146
147 /*******************************************************************************
148 *
149 * FUNCTION: AcpiExOpcode_3A_1T_1R
150 *
151 * PARAMETERS: WalkState - Current walk state
158
159 ACPI_STATUS
160 AcpiExOpcode_3A_1T_1R (
161 ACPI_WALK_STATE *WalkState)
162 {
163 ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
164 ACPI_OPERAND_OBJECT *ReturnDesc = NULL;
165 char *Buffer = NULL;
166 ACPI_STATUS Status = AE_OK;
167 UINT64 Index;
168 ACPI_SIZE Length;
169
170
171 ACPI_FUNCTION_TRACE_STR (ExOpcode_3A_1T_1R,
172 AcpiPsGetOpcodeName (WalkState->Opcode));
173
174
175 switch (WalkState->Opcode)
176 {
177 case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
178 /*
179 * Create the return object. The Source operand is guaranteed to be
180 * either a String or a Buffer, so just use its type.
181 */
182 ReturnDesc = AcpiUtCreateInternalObject (
183 (Operand[0])->Common.Type);
184 if (!ReturnDesc)
185 {
186 Status = AE_NO_MEMORY;
187 goto Cleanup;
188 }
189
190 /* Get the Integer values from the objects */
191
192 Index = Operand[1]->Integer.Value;
193 Length = (ACPI_SIZE) Operand[2]->Integer.Value;
194
195 /*
196 * If the index is beyond the length of the String/Buffer, or if the
197 * requested length is zero, return a zero-length String/Buffer
249 }
250
251 if (Buffer)
252 {
253 /* We have a buffer, copy the portion requested */
254
255 ACPI_MEMCPY (Buffer, Operand[0]->String.Pointer + Index,
256 Length);
257 }
258
259 /* Set the length of the new String/Buffer */
260
261 ReturnDesc->String.Pointer = Buffer;
262 ReturnDesc->String.Length = (UINT32) Length;
263
264 /* Mark buffer initialized */
265
266 ReturnDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
267 break;
268
269 default:
270
271 ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X",
272 WalkState->Opcode));
273 Status = AE_AML_BAD_OPCODE;
274 goto Cleanup;
275 }
276
277 /* Store the result in the target */
278
279 Status = AcpiExStore (ReturnDesc, Operand[3], WalkState);
280
281 Cleanup:
282
283 /* Delete return object on error */
284
285 if (ACPI_FAILURE (Status) || WalkState->ResultObj)
286 {
287 AcpiUtRemoveReference (ReturnDesc);
288 WalkState->ResultObj = NULL;
289 }
290
291 /* Set the return object and exit */
292
293 else
294 {
295 WalkState->ResultObj = ReturnDesc;
296 }
297 return_ACPI_STATUS (Status);
298 }
|