17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
3450d6964Smyers * Module Name: utalloc - local memory allocation routines
47c478bd9Sstevel@tonic-gate *
57c478bd9Sstevel@tonic-gate *****************************************************************************/
67c478bd9Sstevel@tonic-gate
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127c478bd9Sstevel@tonic-gate * All rights reserved.
137c478bd9Sstevel@tonic-gate *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
11926f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12026f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12126f3cdf0SGordon Ross * are met:
12226f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12326f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12426f3cdf0SGordon Ross * without modification.
12526f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12626f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12726f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12826f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
12926f3cdf0SGordon Ross * binary redistribution.
13026f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13126f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13226f3cdf0SGordon Ross * from this software without specific prior written permission.
13326f3cdf0SGordon Ross *
13426f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13526f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13726f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517c478bd9Sstevel@tonic-gate
1527c478bd9Sstevel@tonic-gate #include "acpi.h"
153aa2aa9a6SDana Myers #include "accommon.h"
154db2bae30SDana Myers #include "acdebug.h"
1557c478bd9Sstevel@tonic-gate
1567c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_UTILITIES
1577c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("utalloc")
1587c478bd9Sstevel@tonic-gate
1597c478bd9Sstevel@tonic-gate
1607b1019a6SJerry Jelinek #if !defined (USE_NATIVE_ALLOCATE_ZEROED)
1617b1019a6SJerry Jelinek /*******************************************************************************
1627b1019a6SJerry Jelinek *
1637b1019a6SJerry Jelinek * FUNCTION: AcpiOsAllocateZeroed
1647b1019a6SJerry Jelinek *
1657b1019a6SJerry Jelinek * PARAMETERS: Size - Size of the allocation
1667b1019a6SJerry Jelinek *
1677b1019a6SJerry Jelinek * RETURN: Address of the allocated memory on success, NULL on failure.
1687b1019a6SJerry Jelinek *
1697b1019a6SJerry Jelinek * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
1707b1019a6SJerry Jelinek * This is the default implementation. Can be overridden via the
1717b1019a6SJerry Jelinek * USE_NATIVE_ALLOCATE_ZEROED flag.
1727b1019a6SJerry Jelinek *
1737b1019a6SJerry Jelinek ******************************************************************************/
1747b1019a6SJerry Jelinek
1757b1019a6SJerry Jelinek void *
AcpiOsAllocateZeroed(ACPI_SIZE Size)1767b1019a6SJerry Jelinek AcpiOsAllocateZeroed (
1777b1019a6SJerry Jelinek ACPI_SIZE Size)
1787b1019a6SJerry Jelinek {
1797b1019a6SJerry Jelinek void *Allocation;
1807b1019a6SJerry Jelinek
1817b1019a6SJerry Jelinek
1827b1019a6SJerry Jelinek ACPI_FUNCTION_ENTRY ();
1837b1019a6SJerry Jelinek
1847b1019a6SJerry Jelinek
1857b1019a6SJerry Jelinek Allocation = AcpiOsAllocate (Size);
1867b1019a6SJerry Jelinek if (Allocation)
1877b1019a6SJerry Jelinek {
1887b1019a6SJerry Jelinek /* Clear the memory block */
1897b1019a6SJerry Jelinek
1907b1019a6SJerry Jelinek memset (Allocation, 0, Size);
1917b1019a6SJerry Jelinek }
1927b1019a6SJerry Jelinek
1937b1019a6SJerry Jelinek return (Allocation);
1947b1019a6SJerry Jelinek }
1957b1019a6SJerry Jelinek
1967b1019a6SJerry Jelinek #endif /* !USE_NATIVE_ALLOCATE_ZEROED */
1977b1019a6SJerry Jelinek
1987b1019a6SJerry Jelinek
1997c478bd9Sstevel@tonic-gate /*******************************************************************************
2007c478bd9Sstevel@tonic-gate *
201450d6964Smyers * FUNCTION: AcpiUtCreateCaches
2027c478bd9Sstevel@tonic-gate *
203450d6964Smyers * PARAMETERS: None
2047c478bd9Sstevel@tonic-gate *
205450d6964Smyers * RETURN: Status
2067c478bd9Sstevel@tonic-gate *
207450d6964Smyers * DESCRIPTION: Create all local caches
2087c478bd9Sstevel@tonic-gate *
2097c478bd9Sstevel@tonic-gate ******************************************************************************/
2107c478bd9Sstevel@tonic-gate
211450d6964Smyers ACPI_STATUS
AcpiUtCreateCaches(void)212450d6964Smyers AcpiUtCreateCaches (
213450d6964Smyers void)
2147c478bd9Sstevel@tonic-gate {
215450d6964Smyers ACPI_STATUS Status;
2167c478bd9Sstevel@tonic-gate
2177c478bd9Sstevel@tonic-gate
21827f7c583Smyers /* Object Caches, for frequently used objects */
2197c478bd9Sstevel@tonic-gate
22027f7c583Smyers Status = AcpiOsCreateCache ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
2217b1019a6SJerry Jelinek ACPI_MAX_NAMESPACE_CACHE_DEPTH, &AcpiGbl_NamespaceCache);
222450d6964Smyers if (ACPI_FAILURE (Status))
2237c478bd9Sstevel@tonic-gate {
224450d6964Smyers return (Status);
2257c478bd9Sstevel@tonic-gate }
2267c478bd9Sstevel@tonic-gate
227450d6964Smyers Status = AcpiOsCreateCache ("Acpi-State", sizeof (ACPI_GENERIC_STATE),
2287b1019a6SJerry Jelinek ACPI_MAX_STATE_CACHE_DEPTH, &AcpiGbl_StateCache);
229450d6964Smyers if (ACPI_FAILURE (Status))
2307c478bd9Sstevel@tonic-gate {
231450d6964Smyers return (Status);
2327c478bd9Sstevel@tonic-gate }
2337c478bd9Sstevel@tonic-gate
234450d6964Smyers Status = AcpiOsCreateCache ("Acpi-Parse", sizeof (ACPI_PARSE_OBJ_COMMON),
2357b1019a6SJerry Jelinek ACPI_MAX_PARSE_CACHE_DEPTH, &AcpiGbl_PsNodeCache);
236450d6964Smyers if (ACPI_FAILURE (Status))
2377c478bd9Sstevel@tonic-gate {
238450d6964Smyers return (Status);
2397c478bd9Sstevel@tonic-gate }
2407c478bd9Sstevel@tonic-gate
241450d6964Smyers Status = AcpiOsCreateCache ("Acpi-ParseExt", sizeof (ACPI_PARSE_OBJ_NAMED),
2427b1019a6SJerry Jelinek ACPI_MAX_EXTPARSE_CACHE_DEPTH, &AcpiGbl_PsNodeExtCache);
243450d6964Smyers if (ACPI_FAILURE (Status))
2447c478bd9Sstevel@tonic-gate {
245450d6964Smyers return (Status);
2467c478bd9Sstevel@tonic-gate }
2477c478bd9Sstevel@tonic-gate
248450d6964Smyers Status = AcpiOsCreateCache ("Acpi-Operand", sizeof (ACPI_OPERAND_OBJECT),
2497b1019a6SJerry Jelinek ACPI_MAX_OBJECT_CACHE_DEPTH, &AcpiGbl_OperandCache);
250450d6964Smyers if (ACPI_FAILURE (Status))
251450d6964Smyers {
252450d6964Smyers return (Status);
253450d6964Smyers }
2547c478bd9Sstevel@tonic-gate
255*35786f68SRobert Mustacchi #ifdef ACPI_ASL_COMPILER
256*35786f68SRobert Mustacchi /*
257*35786f68SRobert Mustacchi * For use with the ASL-/ASL+ option. This cache keeps track of regular
258*35786f68SRobert Mustacchi * 0xA9 0x01 comments.
259*35786f68SRobert Mustacchi */
260*35786f68SRobert Mustacchi Status = AcpiOsCreateCache ("Acpi-Comment", sizeof (ACPI_COMMENT_NODE),
261*35786f68SRobert Mustacchi ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_RegCommentCache);
262*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
263*35786f68SRobert Mustacchi {
264*35786f68SRobert Mustacchi return (Status);
265*35786f68SRobert Mustacchi }
266*35786f68SRobert Mustacchi
267*35786f68SRobert Mustacchi /*
268*35786f68SRobert Mustacchi * This cache keeps track of the starting addresses of where the comments
269*35786f68SRobert Mustacchi * lie. This helps prevent duplication of comments.
270*35786f68SRobert Mustacchi */
271*35786f68SRobert Mustacchi Status = AcpiOsCreateCache ("Acpi-Comment-Addr", sizeof (ACPI_COMMENT_ADDR_NODE),
272*35786f68SRobert Mustacchi ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_CommentAddrCache);
273*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
274*35786f68SRobert Mustacchi {
275*35786f68SRobert Mustacchi return (Status);
276*35786f68SRobert Mustacchi }
277*35786f68SRobert Mustacchi
278*35786f68SRobert Mustacchi /*
279*35786f68SRobert Mustacchi * This cache will be used for nodes that represent files.
280*35786f68SRobert Mustacchi */
281*35786f68SRobert Mustacchi Status = AcpiOsCreateCache ("Acpi-File", sizeof (ACPI_FILE_NODE),
282*35786f68SRobert Mustacchi ACPI_MAX_COMMENT_CACHE_DEPTH, &AcpiGbl_FileCache);
283*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
284*35786f68SRobert Mustacchi {
285*35786f68SRobert Mustacchi return (Status);
286*35786f68SRobert Mustacchi }
287*35786f68SRobert Mustacchi #endif
288*35786f68SRobert Mustacchi
28927f7c583Smyers
29027f7c583Smyers #ifdef ACPI_DBG_TRACK_ALLOCATIONS
29127f7c583Smyers
29227f7c583Smyers /* Memory allocation lists */
29327f7c583Smyers
29427f7c583Smyers Status = AcpiUtCreateList ("Acpi-Global", 0,
2957b1019a6SJerry Jelinek &AcpiGbl_GlobalList);
29627f7c583Smyers if (ACPI_FAILURE (Status))
29727f7c583Smyers {
29827f7c583Smyers return (Status);
29927f7c583Smyers }
30027f7c583Smyers
30127f7c583Smyers Status = AcpiUtCreateList ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
3027b1019a6SJerry Jelinek &AcpiGbl_NsNodeList);
30327f7c583Smyers if (ACPI_FAILURE (Status))
30427f7c583Smyers {
30527f7c583Smyers return (Status);
30627f7c583Smyers }
30727f7c583Smyers #endif
30827f7c583Smyers
309450d6964Smyers return (AE_OK);
3107c478bd9Sstevel@tonic-gate }
3117c478bd9Sstevel@tonic-gate
3127c478bd9Sstevel@tonic-gate
3137c478bd9Sstevel@tonic-gate /*******************************************************************************
3147c478bd9Sstevel@tonic-gate *
315450d6964Smyers * FUNCTION: AcpiUtDeleteCaches
3167c478bd9Sstevel@tonic-gate *
317450d6964Smyers * PARAMETERS: None
3187c478bd9Sstevel@tonic-gate *
319450d6964Smyers * RETURN: Status
3207c478bd9Sstevel@tonic-gate *
321450d6964Smyers * DESCRIPTION: Purge and delete all local caches
3227c478bd9Sstevel@tonic-gate *
3237c478bd9Sstevel@tonic-gate ******************************************************************************/
3247c478bd9Sstevel@tonic-gate
325450d6964Smyers ACPI_STATUS
AcpiUtDeleteCaches(void)326450d6964Smyers AcpiUtDeleteCaches (
327450d6964Smyers void)
3287c478bd9Sstevel@tonic-gate {
329db2bae30SDana Myers #ifdef ACPI_DBG_TRACK_ALLOCATIONS
330db2bae30SDana Myers char Buffer[7];
331db2bae30SDana Myers
3327b1019a6SJerry Jelinek
333db2bae30SDana Myers if (AcpiGbl_DisplayFinalMemStats)
334db2bae30SDana Myers {
3357b1019a6SJerry Jelinek strcpy (Buffer, "MEMORY");
336db2bae30SDana Myers (void) AcpiDbDisplayStatistics (Buffer);
337db2bae30SDana Myers }
338db2bae30SDana Myers #endif
3397c478bd9Sstevel@tonic-gate
34027f7c583Smyers (void) AcpiOsDeleteCache (AcpiGbl_NamespaceCache);
34127f7c583Smyers AcpiGbl_NamespaceCache = NULL;
34227f7c583Smyers
343450d6964Smyers (void) AcpiOsDeleteCache (AcpiGbl_StateCache);
344450d6964Smyers AcpiGbl_StateCache = NULL;
3457c478bd9Sstevel@tonic-gate
346450d6964Smyers (void) AcpiOsDeleteCache (AcpiGbl_OperandCache);
347450d6964Smyers AcpiGbl_OperandCache = NULL;
3487c478bd9Sstevel@tonic-gate
349450d6964Smyers (void) AcpiOsDeleteCache (AcpiGbl_PsNodeCache);
350450d6964Smyers AcpiGbl_PsNodeCache = NULL;
3517c478bd9Sstevel@tonic-gate
352450d6964Smyers (void) AcpiOsDeleteCache (AcpiGbl_PsNodeExtCache);
353450d6964Smyers AcpiGbl_PsNodeExtCache = NULL;
3547c478bd9Sstevel@tonic-gate
355*35786f68SRobert Mustacchi #ifdef ACPI_ASL_COMPILER
356*35786f68SRobert Mustacchi (void) AcpiOsDeleteCache (AcpiGbl_RegCommentCache);
357*35786f68SRobert Mustacchi AcpiGbl_RegCommentCache = NULL;
358*35786f68SRobert Mustacchi
359*35786f68SRobert Mustacchi (void) AcpiOsDeleteCache (AcpiGbl_CommentAddrCache);
360*35786f68SRobert Mustacchi AcpiGbl_CommentAddrCache = NULL;
361*35786f68SRobert Mustacchi
362*35786f68SRobert Mustacchi (void) AcpiOsDeleteCache (AcpiGbl_FileCache);
363*35786f68SRobert Mustacchi AcpiGbl_FileCache = NULL;
364*35786f68SRobert Mustacchi #endif
36527f7c583Smyers
36627f7c583Smyers #ifdef ACPI_DBG_TRACK_ALLOCATIONS
36727f7c583Smyers
36827f7c583Smyers /* Debug only - display leftover memory allocation, if any */
36927f7c583Smyers
37027f7c583Smyers AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
37127f7c583Smyers
37227f7c583Smyers /* Free memory lists */
37327f7c583Smyers
37427f7c583Smyers AcpiOsFree (AcpiGbl_GlobalList);
37527f7c583Smyers AcpiGbl_GlobalList = NULL;
37627f7c583Smyers
37727f7c583Smyers AcpiOsFree (AcpiGbl_NsNodeList);
37827f7c583Smyers AcpiGbl_NsNodeList = NULL;
37927f7c583Smyers #endif
38027f7c583Smyers
381450d6964Smyers return (AE_OK);
3827c478bd9Sstevel@tonic-gate }
3837c478bd9Sstevel@tonic-gate
3847c478bd9Sstevel@tonic-gate
3857c478bd9Sstevel@tonic-gate /*******************************************************************************
3867c478bd9Sstevel@tonic-gate *
3877c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtValidateBuffer
3887c478bd9Sstevel@tonic-gate *
3897c478bd9Sstevel@tonic-gate * PARAMETERS: Buffer - Buffer descriptor to be validated
3907c478bd9Sstevel@tonic-gate *
3917c478bd9Sstevel@tonic-gate * RETURN: Status
3927c478bd9Sstevel@tonic-gate *
3937c478bd9Sstevel@tonic-gate * DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER
3947c478bd9Sstevel@tonic-gate *
3957c478bd9Sstevel@tonic-gate ******************************************************************************/
3967c478bd9Sstevel@tonic-gate
3977c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiUtValidateBuffer(ACPI_BUFFER * Buffer)3987c478bd9Sstevel@tonic-gate AcpiUtValidateBuffer (
3997c478bd9Sstevel@tonic-gate ACPI_BUFFER *Buffer)
4007c478bd9Sstevel@tonic-gate {
4017c478bd9Sstevel@tonic-gate
4027c478bd9Sstevel@tonic-gate /* Obviously, the structure pointer must be valid */
4037c478bd9Sstevel@tonic-gate
4047c478bd9Sstevel@tonic-gate if (!Buffer)
4057c478bd9Sstevel@tonic-gate {
4067c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER);
4077c478bd9Sstevel@tonic-gate }
4087c478bd9Sstevel@tonic-gate
4097c478bd9Sstevel@tonic-gate /* Special semantics for the length */
4107c478bd9Sstevel@tonic-gate
4117c478bd9Sstevel@tonic-gate if ((Buffer->Length == ACPI_NO_BUFFER) ||
4127c478bd9Sstevel@tonic-gate (Buffer->Length == ACPI_ALLOCATE_BUFFER) ||
4137c478bd9Sstevel@tonic-gate (Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER))
4147c478bd9Sstevel@tonic-gate {
4157c478bd9Sstevel@tonic-gate return (AE_OK);
4167c478bd9Sstevel@tonic-gate }
4177c478bd9Sstevel@tonic-gate
4187c478bd9Sstevel@tonic-gate /* Length is valid, the buffer pointer must be also */
4197c478bd9Sstevel@tonic-gate
4207c478bd9Sstevel@tonic-gate if (!Buffer->Pointer)
4217c478bd9Sstevel@tonic-gate {
4227c478bd9Sstevel@tonic-gate return (AE_BAD_PARAMETER);
4237c478bd9Sstevel@tonic-gate }
4247c478bd9Sstevel@tonic-gate
4257c478bd9Sstevel@tonic-gate return (AE_OK);
4267c478bd9Sstevel@tonic-gate }
4277c478bd9Sstevel@tonic-gate
4287c478bd9Sstevel@tonic-gate
4297c478bd9Sstevel@tonic-gate /*******************************************************************************
4307c478bd9Sstevel@tonic-gate *
4317c478bd9Sstevel@tonic-gate * FUNCTION: AcpiUtInitializeBuffer
4327c478bd9Sstevel@tonic-gate *
4337c478bd9Sstevel@tonic-gate * PARAMETERS: Buffer - Buffer to be validated
4347c478bd9Sstevel@tonic-gate * RequiredLength - Length needed
4357c478bd9Sstevel@tonic-gate *
4367c478bd9Sstevel@tonic-gate * RETURN: Status
4377c478bd9Sstevel@tonic-gate *
4387c478bd9Sstevel@tonic-gate * DESCRIPTION: Validate that the buffer is of the required length or
439aa2aa9a6SDana Myers * allocate a new buffer. Returned buffer is always zeroed.
4407c478bd9Sstevel@tonic-gate *
4417c478bd9Sstevel@tonic-gate ******************************************************************************/
4427c478bd9Sstevel@tonic-gate
4437c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiUtInitializeBuffer(ACPI_BUFFER * Buffer,ACPI_SIZE RequiredLength)4447c478bd9Sstevel@tonic-gate AcpiUtInitializeBuffer (
4457c478bd9Sstevel@tonic-gate ACPI_BUFFER *Buffer,
4467c478bd9Sstevel@tonic-gate ACPI_SIZE RequiredLength)
4477c478bd9Sstevel@tonic-gate {
448aa2aa9a6SDana Myers ACPI_SIZE InputBufferLength;
4497c478bd9Sstevel@tonic-gate
4507c478bd9Sstevel@tonic-gate
451db2bae30SDana Myers /* Parameter validation */
452db2bae30SDana Myers
453db2bae30SDana Myers if (!Buffer || !RequiredLength)
454db2bae30SDana Myers {
455db2bae30SDana Myers return (AE_BAD_PARAMETER);
456db2bae30SDana Myers }
457db2bae30SDana Myers
458aa2aa9a6SDana Myers /*
459aa2aa9a6SDana Myers * Buffer->Length is used as both an input and output parameter. Get the
460aa2aa9a6SDana Myers * input actual length and set the output required buffer length.
461aa2aa9a6SDana Myers */
462aa2aa9a6SDana Myers InputBufferLength = Buffer->Length;
463aa2aa9a6SDana Myers Buffer->Length = RequiredLength;
464aa2aa9a6SDana Myers
465aa2aa9a6SDana Myers /*
466aa2aa9a6SDana Myers * The input buffer length contains the actual buffer length, or the type
467aa2aa9a6SDana Myers * of buffer to be allocated by this routine.
468aa2aa9a6SDana Myers */
469aa2aa9a6SDana Myers switch (InputBufferLength)
4707c478bd9Sstevel@tonic-gate {
4717c478bd9Sstevel@tonic-gate case ACPI_NO_BUFFER:
4727c478bd9Sstevel@tonic-gate
473aa2aa9a6SDana Myers /* Return the exception (and the required buffer length) */
4747c478bd9Sstevel@tonic-gate
475aa2aa9a6SDana Myers return (AE_BUFFER_OVERFLOW);
4767c478bd9Sstevel@tonic-gate
4777c478bd9Sstevel@tonic-gate case ACPI_ALLOCATE_BUFFER:
4787b1019a6SJerry Jelinek /*
4797b1019a6SJerry Jelinek * Allocate a new buffer. We directectly call AcpiOsAllocate here to
4807b1019a6SJerry Jelinek * purposefully bypass the (optionally enabled) internal allocation
4817b1019a6SJerry Jelinek * tracking mechanism since we only want to track internal
4827b1019a6SJerry Jelinek * allocations. Note: The caller should use AcpiOsFree to free this
4837b1019a6SJerry Jelinek * buffer created via ACPI_ALLOCATE_BUFFER.
4847b1019a6SJerry Jelinek */
4857c478bd9Sstevel@tonic-gate Buffer->Pointer = AcpiOsAllocate (RequiredLength);
4867c478bd9Sstevel@tonic-gate break;
4877c478bd9Sstevel@tonic-gate
4887c478bd9Sstevel@tonic-gate case ACPI_ALLOCATE_LOCAL_BUFFER:
4897c478bd9Sstevel@tonic-gate
4907c478bd9Sstevel@tonic-gate /* Allocate a new buffer with local interface to allow tracking */
4917c478bd9Sstevel@tonic-gate
492aa2aa9a6SDana Myers Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
4937c478bd9Sstevel@tonic-gate break;
4947c478bd9Sstevel@tonic-gate
4957c478bd9Sstevel@tonic-gate default:
4967c478bd9Sstevel@tonic-gate
4977c478bd9Sstevel@tonic-gate /* Existing buffer: Validate the size of the buffer */
4987c478bd9Sstevel@tonic-gate
499aa2aa9a6SDana Myers if (InputBufferLength < RequiredLength)
5007c478bd9Sstevel@tonic-gate {
501aa2aa9a6SDana Myers return (AE_BUFFER_OVERFLOW);
5027c478bd9Sstevel@tonic-gate }
503aa2aa9a6SDana Myers break;
504aa2aa9a6SDana Myers }
5057c478bd9Sstevel@tonic-gate
506aa2aa9a6SDana Myers /* Validate allocation from above or input buffer pointer */
5077c478bd9Sstevel@tonic-gate
508aa2aa9a6SDana Myers if (!Buffer->Pointer)
509aa2aa9a6SDana Myers {
510aa2aa9a6SDana Myers return (AE_NO_MEMORY);
5117c478bd9Sstevel@tonic-gate }
5127c478bd9Sstevel@tonic-gate
513aa2aa9a6SDana Myers /* Have a valid buffer, clear it */
514aa2aa9a6SDana Myers
5157b1019a6SJerry Jelinek memset (Buffer->Pointer, 0, RequiredLength);
516aa2aa9a6SDana Myers return (AE_OK);
5177c478bd9Sstevel@tonic-gate }
518