1 /******************************************************************************
3 * Module Name: uteval - Object evaluation
6 *****************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 *****************************************************************************/
120 #include "acnamesp.h"
121 #include "acinterp.h"
124 #define _COMPONENT ACPI_UTILITIES
125 MODULE_NAME ("uteval")
128 /*******************************************************************************
130 * FUNCTION: AcpiUtEvaluateNumericObject
132 * PARAMETERS: *ObjectName - Object name to be evaluated
133 * DeviceNode - Node for the device
134 * *Address - Where the value is returned
138 * DESCRIPTION: evaluates a numeric namespace object for a selected device
139 * and stores results in *Address.
141 * NOTE: Internal function, no parameter validation
143 ******************************************************************************/
146 AcpiUtEvaluateNumericObject (
147 NATIVE_CHAR *ObjectName,
148 ACPI_NAMESPACE_NODE *DeviceNode,
149 ACPI_INTEGER *Address)
151 ACPI_OPERAND_OBJECT *ObjDesc;
155 FUNCTION_TRACE ("UtEvaluateNumericObject");
158 /* Execute the method */
160 Status = AcpiNsEvaluateRelative (DeviceNode, ObjectName, NULL, &ObjDesc);
161 if (ACPI_FAILURE (Status))
163 if (Status == AE_NOT_FOUND)
165 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s on %4.4s was not found\n",
166 ObjectName, &DeviceNode->Name));
170 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%s on %4.4s failed with status %s\n",
171 ObjectName, &DeviceNode->Name,
172 AcpiFormatException (Status)));
175 return_ACPI_STATUS (Status);
179 /* Did we get a return object? */
183 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from %s\n",
185 return_ACPI_STATUS (AE_TYPE);
188 /* Is the return object of the correct type? */
190 if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
193 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
194 "Type returned from %s was not a number: %X \n",
195 ObjectName, ObjDesc->Common.Type));
200 * Since the structure is a union, setting any field will set all
201 * of the variables in the union
203 *Address = ObjDesc->Integer.Value;
206 /* On exit, we must delete the return object */
208 AcpiUtRemoveReference (ObjDesc);
210 return_ACPI_STATUS (Status);
214 /*******************************************************************************
216 * FUNCTION: AcpiUtExecute_HID
218 * PARAMETERS: DeviceNode - Node for the device
219 * *Hid - Where the HID is returned
223 * DESCRIPTION: Executes the _HID control method that returns the hardware
226 * NOTE: Internal function, no parameter validation
228 ******************************************************************************/
232 ACPI_NAMESPACE_NODE *DeviceNode,
235 ACPI_OPERAND_OBJECT *ObjDesc;
239 FUNCTION_TRACE ("UtExecute_HID");
242 /* Execute the method */
244 Status = AcpiNsEvaluateRelative (DeviceNode,
245 METHOD_NAME__HID, NULL, &ObjDesc);
246 if (ACPI_FAILURE (Status))
248 if (Status == AE_NOT_FOUND)
250 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "_HID on %4.4s was not found\n",
256 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_HID on %4.4s failed %s\n",
257 &DeviceNode->Name, AcpiFormatException (Status)));
260 return_ACPI_STATUS (Status);
263 /* Did we get a return object? */
267 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _HID\n"));
268 return_ACPI_STATUS (AE_TYPE);
272 * A _HID can return either a Number (32 bit compressed EISA ID) or
275 if ((ObjDesc->Common.Type != ACPI_TYPE_INTEGER) &&
276 (ObjDesc->Common.Type != ACPI_TYPE_STRING))
279 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
280 "Type returned from _HID not a number or string: %s(%X) \n",
281 AcpiUtGetTypeName (ObjDesc->Common.Type), ObjDesc->Common.Type));
286 if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
288 /* Convert the Numeric HID to string */
290 AcpiExEisaIdToString ((UINT32) ObjDesc->Integer.Value, Hid->Buffer);
295 /* Copy the String HID from the returned object */
297 STRNCPY(Hid->Buffer, ObjDesc->String.Pointer, sizeof(Hid->Buffer));
302 /* On exit, we must delete the return object */
304 AcpiUtRemoveReference (ObjDesc);
306 return_ACPI_STATUS (Status);
310 /*******************************************************************************
312 * FUNCTION: AcpiUtExecute_UID
314 * PARAMETERS: DeviceNode - Node for the device
315 * *Uid - Where the UID is returned
319 * DESCRIPTION: Executes the _UID control method that returns the hardware
322 * NOTE: Internal function, no parameter validation
324 ******************************************************************************/
328 ACPI_NAMESPACE_NODE *DeviceNode,
331 ACPI_OPERAND_OBJECT *ObjDesc;
335 PROC_NAME ("UtExecute_UID");
338 /* Execute the method */
340 Status = AcpiNsEvaluateRelative (DeviceNode,
341 METHOD_NAME__UID, NULL, &ObjDesc);
342 if (ACPI_FAILURE (Status))
344 if (Status == AE_NOT_FOUND)
346 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "_UID on %4.4s was not found\n",
352 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
353 "_UID on %4.4s failed %s\n",
354 &DeviceNode->Name, AcpiFormatException (Status)));
360 /* Did we get a return object? */
364 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _UID\n"));
369 * A _UID can return either a Number (32 bit compressed EISA ID) or
372 if ((ObjDesc->Common.Type != ACPI_TYPE_INTEGER) &&
373 (ObjDesc->Common.Type != ACPI_TYPE_STRING))
376 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
377 "Type returned from _UID was not a number or string: %X \n",
378 ObjDesc->Common.Type));
383 if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
385 /* Convert the Numeric UID to string */
387 AcpiExUnsignedIntegerToString (ObjDesc->Integer.Value, Uid->Buffer);
392 /* Copy the String UID from the returned object */
394 STRNCPY(Uid->Buffer, ObjDesc->String.Pointer, sizeof(Uid->Buffer));
399 /* On exit, we must delete the return object */
401 AcpiUtRemoveReference (ObjDesc);
407 /*******************************************************************************
409 * FUNCTION: AcpiUtExecute_STA
411 * PARAMETERS: DeviceNode - Node for the device
412 * *Flags - Where the status flags are returned
416 * DESCRIPTION: Executes _STA for selected device and stores results in
419 * NOTE: Internal function, no parameter validation
421 ******************************************************************************/
425 ACPI_NAMESPACE_NODE *DeviceNode,
428 ACPI_OPERAND_OBJECT *ObjDesc;
432 FUNCTION_TRACE ("UtExecute_STA");
435 /* Execute the method */
437 Status = AcpiNsEvaluateRelative (DeviceNode,
438 METHOD_NAME__STA, NULL, &ObjDesc);
439 if (AE_NOT_FOUND == Status)
441 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
442 "_STA on %4.4s was not found, assuming present.\n",
449 else if (ACPI_FAILURE (Status))
451 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "_STA on %4.4s failed %s\n",
453 AcpiFormatException (Status)));
458 /* Did we get a return object? */
462 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No object was returned from _STA\n"));
463 return_ACPI_STATUS (AE_TYPE);
466 /* Is the return object of the correct type? */
468 if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
471 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
472 "Type returned from _STA was not a number: %X \n",
473 ObjDesc->Common.Type));
478 /* Extract the status flags */
480 *Flags = (UINT32) ObjDesc->Integer.Value;
483 /* On exit, we must delete the return object */
485 AcpiUtRemoveReference (ObjDesc);
488 return_ACPI_STATUS (Status);