1 /******************************************************************************
3 * Module Name: uteval - Object evaluation
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2003, 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 *****************************************************************************/
116 /* $DragonFly: src/sys/contrib/dev/acpica/Attic/uteval.c,v 1.1 2003/09/24 03:32:16 drhodus Exp $ */
121 #include "acnamesp.h"
122 #include "acinterp.h"
125 #define _COMPONENT ACPI_UTILITIES
126 ACPI_MODULE_NAME ("uteval")
129 /*******************************************************************************
131 * FUNCTION: AcpiUtEvaluateObject
133 * PARAMETERS: PrefixNode - Starting node
134 * Path - Path to object from starting node
135 * ExpectedReturnTypes - Bitmap of allowed return types
136 * ReturnDesc - Where a return value is stored
140 * DESCRIPTION: Evaluates a namespace object and verifies the type of the
141 * return object. Common code that simplifies accessing objects
142 * that have required return objects of fixed types.
144 * NOTE: Internal function, no parameter validation
146 ******************************************************************************/
149 AcpiUtEvaluateObject (
150 ACPI_NAMESPACE_NODE *PrefixNode,
152 UINT32 ExpectedReturnBtypes,
153 ACPI_OPERAND_OBJECT **ReturnDesc)
155 ACPI_OPERAND_OBJECT *ObjDesc;
160 ACPI_FUNCTION_TRACE ("UtEvaluateObject");
163 /* Evaluate the object/method */
165 Status = AcpiNsEvaluateRelative (PrefixNode, Path, NULL, &ObjDesc);
166 if (ACPI_FAILURE (Status))
168 if (Status == AE_NOT_FOUND)
170 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s.%s] was not found\n",
171 PrefixNode->Name.Ascii, Path));
175 ACPI_REPORT_METHOD_ERROR ("Method execution failed",
176 PrefixNode, Path, Status);
179 return_ACPI_STATUS (Status);
182 /* Did we get a return object? */
186 if (ExpectedReturnBtypes)
188 ACPI_REPORT_METHOD_ERROR ("No object was returned from",
189 PrefixNode, Path, AE_NOT_EXIST);
191 return_ACPI_STATUS (AE_NOT_EXIST);
194 return_ACPI_STATUS (AE_OK);
197 /* Map the return object type to the bitmapped type */
199 switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
201 case ACPI_TYPE_INTEGER:
202 ReturnBtype = ACPI_BTYPE_INTEGER;
205 case ACPI_TYPE_BUFFER:
206 ReturnBtype = ACPI_BTYPE_BUFFER;
209 case ACPI_TYPE_STRING:
210 ReturnBtype = ACPI_BTYPE_STRING;
213 case ACPI_TYPE_PACKAGE:
214 ReturnBtype = ACPI_BTYPE_PACKAGE;
222 /* Is the return object one of the expected types? */
224 if (!(ExpectedReturnBtypes & ReturnBtype))
226 ACPI_REPORT_METHOD_ERROR ("Return object type is incorrect",
227 PrefixNode, Path, AE_TYPE);
229 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
230 "Type returned from %s was incorrect: %X\n",
231 Path, ACPI_GET_OBJECT_TYPE (ObjDesc)));
233 /* On error exit, we must delete the return object */
235 AcpiUtRemoveReference (ObjDesc);
236 return_ACPI_STATUS (AE_TYPE);
239 /* Object type is OK, return it */
241 *ReturnDesc = ObjDesc;
242 return_ACPI_STATUS (AE_OK);
246 /*******************************************************************************
248 * FUNCTION: AcpiUtEvaluateNumericObject
250 * PARAMETERS: *ObjectName - Object name to be evaluated
251 * DeviceNode - Node for the device
252 * *Address - Where the value is returned
256 * DESCRIPTION: Evaluates a numeric namespace object for a selected device
257 * and stores result in *Address.
259 * NOTE: Internal function, no parameter validation
261 ******************************************************************************/
264 AcpiUtEvaluateNumericObject (
266 ACPI_NAMESPACE_NODE *DeviceNode,
267 ACPI_INTEGER *Address)
269 ACPI_OPERAND_OBJECT *ObjDesc;
273 ACPI_FUNCTION_TRACE ("UtEvaluateNumericObject");
276 Status = AcpiUtEvaluateObject (DeviceNode, ObjectName,
277 ACPI_BTYPE_INTEGER, &ObjDesc);
278 if (ACPI_FAILURE (Status))
280 return_ACPI_STATUS (Status);
283 /* Get the returned Integer */
285 *Address = ObjDesc->Integer.Value;
287 /* On exit, we must delete the return object */
289 AcpiUtRemoveReference (ObjDesc);
290 return_ACPI_STATUS (Status);
294 /*******************************************************************************
296 * FUNCTION: AcpiUtExecute_HID
298 * PARAMETERS: DeviceNode - Node for the device
299 * *Hid - Where the HID is returned
303 * DESCRIPTION: Executes the _HID control method that returns the hardware
306 * NOTE: Internal function, no parameter validation
308 ******************************************************************************/
312 ACPI_NAMESPACE_NODE *DeviceNode,
315 ACPI_OPERAND_OBJECT *ObjDesc;
319 ACPI_FUNCTION_TRACE ("UtExecute_HID");
322 Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID,
323 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
324 if (ACPI_FAILURE (Status))
326 return_ACPI_STATUS (Status);
329 if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
331 /* Convert the Numeric HID to string */
333 AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Hid->Buffer);
337 /* Copy the String HID from the returned object */
339 ACPI_STRNCPY (Hid->Buffer, ObjDesc->String.Pointer, sizeof(Hid->Buffer));
342 /* On exit, we must delete the return object */
344 AcpiUtRemoveReference (ObjDesc);
345 return_ACPI_STATUS (Status);
349 /*******************************************************************************
351 * FUNCTION: AcpiUtExecute_CID
353 * PARAMETERS: DeviceNode - Node for the device
354 * *Cid - Where the CID is returned
358 * DESCRIPTION: Executes the _CID control method that returns one or more
359 * compatible hardware IDs for the device.
361 * NOTE: Internal function, no parameter validation
363 ******************************************************************************/
367 ACPI_NAMESPACE_NODE *DeviceNode,
370 ACPI_OPERAND_OBJECT *ObjDesc;
374 ACPI_FUNCTION_TRACE ("UtExecute_CID");
377 Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID,
378 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE, &ObjDesc);
379 if (ACPI_FAILURE (Status))
381 return_ACPI_STATUS (Status);
385 * A _CID can return either a single compatible ID or a package of compatible
386 * IDs. Each compatible ID can be a Number (32 bit compressed EISA ID) or
387 * string (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss").
389 switch (ACPI_GET_OBJECT_TYPE (ObjDesc))
391 case ACPI_TYPE_INTEGER:
393 /* Convert the Numeric CID to string */
395 AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Cid->Buffer);
398 case ACPI_TYPE_STRING:
400 /* Copy the String CID from the returned object */
402 ACPI_STRNCPY (Cid->Buffer, ObjDesc->String.Pointer, sizeof (Cid->Buffer));
405 case ACPI_TYPE_PACKAGE:
407 /* TBD: Parse package elements; need different return struct, etc. */
418 /* On exit, we must delete the return object */
420 AcpiUtRemoveReference (ObjDesc);
421 return_ACPI_STATUS (Status);
425 /*******************************************************************************
427 * FUNCTION: AcpiUtExecute_UID
429 * PARAMETERS: DeviceNode - Node for the device
430 * *Uid - Where the UID is returned
434 * DESCRIPTION: Executes the _UID control method that returns the hardware
437 * NOTE: Internal function, no parameter validation
439 ******************************************************************************/
443 ACPI_NAMESPACE_NODE *DeviceNode,
446 ACPI_OPERAND_OBJECT *ObjDesc;
450 ACPI_FUNCTION_TRACE ("UtExecute_UID");
453 Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID,
454 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
455 if (ACPI_FAILURE (Status))
457 return_ACPI_STATUS (Status);
460 if (ACPI_GET_OBJECT_TYPE (ObjDesc) == ACPI_TYPE_INTEGER)
462 /* Convert the Numeric UID to string */
464 AcpiExUnsignedIntegerToString (ObjDesc->Integer.Value, Uid->Buffer);
468 /* Copy the String UID from the returned object */
470 ACPI_STRNCPY (Uid->Buffer, ObjDesc->String.Pointer, sizeof (Uid->Buffer));
473 /* On exit, we must delete the return object */
475 AcpiUtRemoveReference (ObjDesc);
476 return_ACPI_STATUS (Status);
480 /*******************************************************************************
482 * FUNCTION: AcpiUtExecute_STA
484 * PARAMETERS: DeviceNode - Node for the device
485 * *Flags - Where the status flags are returned
489 * DESCRIPTION: Executes _STA for selected device and stores results in
492 * NOTE: Internal function, no parameter validation
494 ******************************************************************************/
498 ACPI_NAMESPACE_NODE *DeviceNode,
501 ACPI_OPERAND_OBJECT *ObjDesc;
505 ACPI_FUNCTION_TRACE ("UtExecute_STA");
508 Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__STA,
509 ACPI_BTYPE_INTEGER, &ObjDesc);
510 if (ACPI_FAILURE (Status))
512 if (AE_NOT_FOUND == Status)
514 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
515 "_STA on %4.4s was not found, assuming device is present\n",
516 DeviceNode->Name.Ascii));
522 return_ACPI_STATUS (Status);
525 /* Extract the status flags */
527 *Flags = (UINT32) ObjDesc->Integer.Value;
529 /* On exit, we must delete the return object */
531 AcpiUtRemoveReference (ObjDesc);
532 return_ACPI_STATUS (Status);