1 /******************************************************************************
3 * Module Name: dsargs - Support for execution of dynamic arguments for static
4 * objects (regions, fields, buffer fields, etc.)
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2015, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
118 #include "accommon.h"
119 #include "acparser.h"
121 #include "acdispat.h"
122 #include "acnamesp.h"
124 #define _COMPONENT ACPI_DISPATCHER
125 ACPI_MODULE_NAME ("dsargs")
127 /* Local prototypes */
130 AcpiDsExecuteArguments (
131 ACPI_NAMESPACE_NODE
*Node
,
132 ACPI_NAMESPACE_NODE
*ScopeNode
,
137 /*******************************************************************************
139 * FUNCTION: AcpiDsExecuteArguments
141 * PARAMETERS: Node - Object NS node
142 * ScopeNode - Parent NS node
143 * AmlLength - Length of executable AML
144 * AmlStart - Pointer to the AML
148 * DESCRIPTION: Late (deferred) execution of region or field arguments
150 ******************************************************************************/
153 AcpiDsExecuteArguments (
154 ACPI_NAMESPACE_NODE
*Node
,
155 ACPI_NAMESPACE_NODE
*ScopeNode
,
160 ACPI_PARSE_OBJECT
*Op
;
161 ACPI_WALK_STATE
*WalkState
;
164 ACPI_FUNCTION_TRACE (DsExecuteArguments
);
167 /* Allocate a new parser op to be the root of the parsed tree */
169 Op
= AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP
, AmlStart
);
172 return_ACPI_STATUS (AE_NO_MEMORY
);
175 /* Save the Node for use in AcpiPsParseAml */
177 Op
->Common
.Node
= ScopeNode
;
179 /* Create and initialize a new parser state */
181 WalkState
= AcpiDsCreateWalkState (0, NULL
, NULL
, NULL
);
184 Status
= AE_NO_MEMORY
;
188 Status
= AcpiDsInitAmlWalk (WalkState
, Op
, NULL
, AmlStart
,
189 AmlLength
, NULL
, ACPI_IMODE_LOAD_PASS1
);
190 if (ACPI_FAILURE (Status
))
192 AcpiDsDeleteWalkState (WalkState
);
196 /* Mark this parse as a deferred opcode */
198 WalkState
->ParseFlags
= ACPI_PARSE_DEFERRED_OP
;
199 WalkState
->DeferredNode
= Node
;
201 /* Pass1: Parse the entire declaration */
203 Status
= AcpiPsParseAml (WalkState
);
204 if (ACPI_FAILURE (Status
))
209 /* Get and init the Op created above */
211 Op
->Common
.Node
= Node
;
212 AcpiPsDeleteParseTree (Op
);
214 /* Evaluate the deferred arguments */
216 Op
= AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP
, AmlStart
);
219 return_ACPI_STATUS (AE_NO_MEMORY
);
222 Op
->Common
.Node
= ScopeNode
;
224 /* Create and initialize a new parser state */
226 WalkState
= AcpiDsCreateWalkState (0, NULL
, NULL
, NULL
);
229 Status
= AE_NO_MEMORY
;
233 /* Execute the opcode and arguments */
235 Status
= AcpiDsInitAmlWalk (WalkState
, Op
, NULL
, AmlStart
,
236 AmlLength
, NULL
, ACPI_IMODE_EXECUTE
);
237 if (ACPI_FAILURE (Status
))
239 AcpiDsDeleteWalkState (WalkState
);
243 /* Mark this execution as a deferred opcode */
245 WalkState
->DeferredNode
= Node
;
246 Status
= AcpiPsParseAml (WalkState
);
249 AcpiPsDeleteParseTree (Op
);
250 return_ACPI_STATUS (Status
);
254 /*******************************************************************************
256 * FUNCTION: AcpiDsGetBufferFieldArguments
258 * PARAMETERS: ObjDesc - A valid BufferField object
262 * DESCRIPTION: Get BufferField Buffer and Index. This implements the late
263 * evaluation of these field attributes.
265 ******************************************************************************/
268 AcpiDsGetBufferFieldArguments (
269 ACPI_OPERAND_OBJECT
*ObjDesc
)
271 ACPI_OPERAND_OBJECT
*ExtraDesc
;
272 ACPI_NAMESPACE_NODE
*Node
;
276 ACPI_FUNCTION_TRACE_PTR (DsGetBufferFieldArguments
, ObjDesc
);
279 if (ObjDesc
->Common
.Flags
& AOPOBJ_DATA_VALID
)
281 return_ACPI_STATUS (AE_OK
);
284 /* Get the AML pointer (method object) and BufferField node */
286 ExtraDesc
= AcpiNsGetSecondaryObject (ObjDesc
);
287 Node
= ObjDesc
->BufferField
.Node
;
289 ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
290 ACPI_TYPE_BUFFER_FIELD
, Node
, NULL
));
292 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "[%4.4s] BufferField Arg Init\n",
293 AcpiUtGetNodeName (Node
)));
295 /* Execute the AML code for the TermArg arguments */
297 Status
= AcpiDsExecuteArguments (Node
, Node
->Parent
,
298 ExtraDesc
->Extra
.AmlLength
, ExtraDesc
->Extra
.AmlStart
);
299 return_ACPI_STATUS (Status
);
303 /*******************************************************************************
305 * FUNCTION: AcpiDsGetBankFieldArguments
307 * PARAMETERS: ObjDesc - A valid BankField object
311 * DESCRIPTION: Get BankField BankValue. This implements the late
312 * evaluation of these field attributes.
314 ******************************************************************************/
317 AcpiDsGetBankFieldArguments (
318 ACPI_OPERAND_OBJECT
*ObjDesc
)
320 ACPI_OPERAND_OBJECT
*ExtraDesc
;
321 ACPI_NAMESPACE_NODE
*Node
;
325 ACPI_FUNCTION_TRACE_PTR (DsGetBankFieldArguments
, ObjDesc
);
328 if (ObjDesc
->Common
.Flags
& AOPOBJ_DATA_VALID
)
330 return_ACPI_STATUS (AE_OK
);
333 /* Get the AML pointer (method object) and BankField node */
335 ExtraDesc
= AcpiNsGetSecondaryObject (ObjDesc
);
336 Node
= ObjDesc
->BankField
.Node
;
338 ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
339 ACPI_TYPE_LOCAL_BANK_FIELD
, Node
, NULL
));
341 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "[%4.4s] BankField Arg Init\n",
342 AcpiUtGetNodeName (Node
)));
344 /* Execute the AML code for the TermArg arguments */
346 Status
= AcpiDsExecuteArguments (Node
, Node
->Parent
,
347 ExtraDesc
->Extra
.AmlLength
, ExtraDesc
->Extra
.AmlStart
);
348 return_ACPI_STATUS (Status
);
352 /*******************************************************************************
354 * FUNCTION: AcpiDsGetBufferArguments
356 * PARAMETERS: ObjDesc - A valid Buffer object
360 * DESCRIPTION: Get Buffer length and initializer byte list. This implements
361 * the late evaluation of these attributes.
363 ******************************************************************************/
366 AcpiDsGetBufferArguments (
367 ACPI_OPERAND_OBJECT
*ObjDesc
)
369 ACPI_NAMESPACE_NODE
*Node
;
373 ACPI_FUNCTION_TRACE_PTR (DsGetBufferArguments
, ObjDesc
);
376 if (ObjDesc
->Common
.Flags
& AOPOBJ_DATA_VALID
)
378 return_ACPI_STATUS (AE_OK
);
381 /* Get the Buffer node */
383 Node
= ObjDesc
->Buffer
.Node
;
386 ACPI_ERROR ((AE_INFO
,
387 "No pointer back to namespace node in buffer object %p",
389 return_ACPI_STATUS (AE_AML_INTERNAL
);
392 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "Buffer Arg Init\n"));
394 /* Execute the AML code for the TermArg arguments */
396 Status
= AcpiDsExecuteArguments (Node
, Node
,
397 ObjDesc
->Buffer
.AmlLength
, ObjDesc
->Buffer
.AmlStart
);
398 return_ACPI_STATUS (Status
);
402 /*******************************************************************************
404 * FUNCTION: AcpiDsGetPackageArguments
406 * PARAMETERS: ObjDesc - A valid Package object
410 * DESCRIPTION: Get Package length and initializer byte list. This implements
411 * the late evaluation of these attributes.
413 ******************************************************************************/
416 AcpiDsGetPackageArguments (
417 ACPI_OPERAND_OBJECT
*ObjDesc
)
419 ACPI_NAMESPACE_NODE
*Node
;
423 ACPI_FUNCTION_TRACE_PTR (DsGetPackageArguments
, ObjDesc
);
426 if (ObjDesc
->Common
.Flags
& AOPOBJ_DATA_VALID
)
428 return_ACPI_STATUS (AE_OK
);
431 /* Get the Package node */
433 Node
= ObjDesc
->Package
.Node
;
436 ACPI_ERROR ((AE_INFO
,
437 "No pointer back to namespace node in package %p", ObjDesc
));
438 return_ACPI_STATUS (AE_AML_INTERNAL
);
441 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
, "Package Arg Init\n"));
443 /* Execute the AML code for the TermArg arguments */
445 Status
= AcpiDsExecuteArguments (Node
, Node
,
446 ObjDesc
->Package
.AmlLength
, ObjDesc
->Package
.AmlStart
);
447 return_ACPI_STATUS (Status
);
451 /*******************************************************************************
453 * FUNCTION: AcpiDsGetRegionArguments
455 * PARAMETERS: ObjDesc - A valid region object
459 * DESCRIPTION: Get region address and length. This implements the late
460 * evaluation of these region attributes.
462 ******************************************************************************/
465 AcpiDsGetRegionArguments (
466 ACPI_OPERAND_OBJECT
*ObjDesc
)
468 ACPI_NAMESPACE_NODE
*Node
;
470 ACPI_OPERAND_OBJECT
*ExtraDesc
;
473 ACPI_FUNCTION_TRACE_PTR (DsGetRegionArguments
, ObjDesc
);
476 if (ObjDesc
->Region
.Flags
& AOPOBJ_DATA_VALID
)
478 return_ACPI_STATUS (AE_OK
);
481 ExtraDesc
= AcpiNsGetSecondaryObject (ObjDesc
);
484 return_ACPI_STATUS (AE_NOT_EXIST
);
487 /* Get the Region node */
489 Node
= ObjDesc
->Region
.Node
;
491 ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (
492 ACPI_TYPE_REGION
, Node
, NULL
));
494 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC
,
495 "[%4.4s] OpRegion Arg Init at AML %p\n",
496 AcpiUtGetNodeName (Node
), ExtraDesc
->Extra
.AmlStart
));
498 /* Execute the argument AML */
500 Status
= AcpiDsExecuteArguments (Node
, ExtraDesc
->Extra
.ScopeNode
,
501 ExtraDesc
->Extra
.AmlLength
, ExtraDesc
->Extra
.AmlStart
);
502 if (ACPI_FAILURE (Status
))
504 return_ACPI_STATUS (Status
);
507 Status
= AcpiUtAddAddressRange (ObjDesc
->Region
.SpaceId
,
508 ObjDesc
->Region
.Address
, ObjDesc
->Region
.Length
, Node
);
509 return_ACPI_STATUS (Status
);