1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: osunixxf - UNIX OSL interfaces
4bc36eafdSMike Gerdts *
5bc36eafdSMike Gerdts *****************************************************************************/
6bc36eafdSMike Gerdts
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.
12bc36eafdSMike Gerdts * All rights reserved.
13bc36eafdSMike Gerdts *
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 *
119bc36eafdSMike Gerdts * Redistribution and use in source and binary forms, with or without
120bc36eafdSMike Gerdts * modification, are permitted provided that the following conditions
121bc36eafdSMike Gerdts * are met:
122bc36eafdSMike Gerdts * 1. Redistributions of source code must retain the above copyright
123bc36eafdSMike Gerdts * notice, this list of conditions, and the following disclaimer,
124bc36eafdSMike Gerdts * without modification.
125bc36eafdSMike Gerdts * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126bc36eafdSMike Gerdts * substantially similar to the "NO WARRANTY" disclaimer below
127bc36eafdSMike Gerdts * ("Disclaimer") and any redistribution must be conditioned upon
128bc36eafdSMike Gerdts * including a substantially similar Disclaimer requirement for further
129bc36eafdSMike Gerdts * binary redistribution.
130bc36eafdSMike Gerdts * 3. Neither the names of the above-listed copyright holders nor the names
131bc36eafdSMike Gerdts * of any contributors may be used to endorse or promote products derived
132bc36eafdSMike Gerdts * from this software without specific prior written permission.
133bc36eafdSMike Gerdts *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * 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
147bc36eafdSMike Gerdts * GNU General Public License ("GPL") version 2 as published by the Free
148bc36eafdSMike Gerdts * Software Foundation.
149bc36eafdSMike Gerdts *
150*35786f68SRobert Mustacchi *****************************************************************************/
151bc36eafdSMike Gerdts
152bc36eafdSMike Gerdts /*
153bc36eafdSMike Gerdts * These interfaces are required in order to compile the ASL compiler and the
154bc36eafdSMike Gerdts * various ACPICA tools under Linux or other Unix-like system.
155bc36eafdSMike Gerdts */
156bc36eafdSMike Gerdts #include "acpi.h"
157bc36eafdSMike Gerdts #include "accommon.h"
158bc36eafdSMike Gerdts #include "amlcode.h"
159bc36eafdSMike Gerdts #include "acparser.h"
160bc36eafdSMike Gerdts #include "acdebug.h"
161bc36eafdSMike Gerdts
162bc36eafdSMike Gerdts #include <stdio.h>
163bc36eafdSMike Gerdts #include <stdlib.h>
164bc36eafdSMike Gerdts #include <stdarg.h>
165bc36eafdSMike Gerdts #include <unistd.h>
166bc36eafdSMike Gerdts #include <sys/time.h>
167bc36eafdSMike Gerdts #include <semaphore.h>
168bc36eafdSMike Gerdts #include <pthread.h>
169bc36eafdSMike Gerdts #include <errno.h>
170bc36eafdSMike Gerdts
171bc36eafdSMike Gerdts #define _COMPONENT ACPI_OS_SERVICES
172bc36eafdSMike Gerdts ACPI_MODULE_NAME ("osunixxf")
173bc36eafdSMike Gerdts
174bc36eafdSMike Gerdts
175bc36eafdSMike Gerdts /* Upcalls to AcpiExec */
176bc36eafdSMike Gerdts
177bc36eafdSMike Gerdts void
178bc36eafdSMike Gerdts AeTableOverride (
179bc36eafdSMike Gerdts ACPI_TABLE_HEADER *ExistingTable,
180bc36eafdSMike Gerdts ACPI_TABLE_HEADER **NewTable);
181bc36eafdSMike Gerdts
182bc36eafdSMike Gerdts typedef void* (*PTHREAD_CALLBACK) (void *);
183bc36eafdSMike Gerdts
184bc36eafdSMike Gerdts /* Buffer used by AcpiOsVprintf */
185bc36eafdSMike Gerdts
186bc36eafdSMike Gerdts #define ACPI_VPRINTF_BUFFER_SIZE 512
187bc36eafdSMike Gerdts #define _ASCII_NEWLINE '\n'
188bc36eafdSMike Gerdts
189bc36eafdSMike Gerdts /* Terminal support for AcpiExec only */
190bc36eafdSMike Gerdts
191bc36eafdSMike Gerdts #ifdef ACPI_EXEC_APP
192bc36eafdSMike Gerdts #include <termios.h>
193bc36eafdSMike Gerdts
194bc36eafdSMike Gerdts struct termios OriginalTermAttributes;
195bc36eafdSMike Gerdts int TermAttributesWereSet = 0;
196bc36eafdSMike Gerdts
197bc36eafdSMike Gerdts ACPI_STATUS
198bc36eafdSMike Gerdts AcpiUtReadLine (
199bc36eafdSMike Gerdts char *Buffer,
200bc36eafdSMike Gerdts UINT32 BufferLength,
201bc36eafdSMike Gerdts UINT32 *BytesRead);
202bc36eafdSMike Gerdts
203bc36eafdSMike Gerdts static void
204bc36eafdSMike Gerdts OsEnterLineEditMode (
205bc36eafdSMike Gerdts void);
206bc36eafdSMike Gerdts
207bc36eafdSMike Gerdts static void
208bc36eafdSMike Gerdts OsExitLineEditMode (
209bc36eafdSMike Gerdts void);
210bc36eafdSMike Gerdts
211bc36eafdSMike Gerdts
212bc36eafdSMike Gerdts /******************************************************************************
213bc36eafdSMike Gerdts *
214bc36eafdSMike Gerdts * FUNCTION: OsEnterLineEditMode, OsExitLineEditMode
215bc36eafdSMike Gerdts *
216bc36eafdSMike Gerdts * PARAMETERS: None
217bc36eafdSMike Gerdts *
218bc36eafdSMike Gerdts * RETURN: None
219bc36eafdSMike Gerdts *
220bc36eafdSMike Gerdts * DESCRIPTION: Enter/Exit the raw character input mode for the terminal.
221bc36eafdSMike Gerdts *
222bc36eafdSMike Gerdts * Interactive line-editing support for the AML debugger. Used with the
223bc36eafdSMike Gerdts * common/acgetline module.
224bc36eafdSMike Gerdts *
225bc36eafdSMike Gerdts * readline() is not used because of non-portability. It is not available
226bc36eafdSMike Gerdts * on all systems, and if it is, often the package must be manually installed.
227bc36eafdSMike Gerdts *
228bc36eafdSMike Gerdts * Therefore, we use the POSIX tcgetattr/tcsetattr and do the minimal line
229bc36eafdSMike Gerdts * editing that we need in AcpiOsGetLine.
230bc36eafdSMike Gerdts *
231bc36eafdSMike Gerdts * If the POSIX tcgetattr/tcsetattr interfaces are unavailable, these
232bc36eafdSMike Gerdts * calls will also work:
233bc36eafdSMike Gerdts * For OsEnterLineEditMode: system ("stty cbreak -echo")
234bc36eafdSMike Gerdts * For OsExitLineEditMode: system ("stty cooked echo")
235bc36eafdSMike Gerdts *
236bc36eafdSMike Gerdts *****************************************************************************/
237bc36eafdSMike Gerdts
238bc36eafdSMike Gerdts static void
OsEnterLineEditMode(void)239bc36eafdSMike Gerdts OsEnterLineEditMode (
240bc36eafdSMike Gerdts void)
241bc36eafdSMike Gerdts {
242bc36eafdSMike Gerdts struct termios LocalTermAttributes;
243bc36eafdSMike Gerdts
244bc36eafdSMike Gerdts
245bc36eafdSMike Gerdts TermAttributesWereSet = 0;
246bc36eafdSMike Gerdts
247bc36eafdSMike Gerdts /* STDIN must be a terminal */
248bc36eafdSMike Gerdts
249bc36eafdSMike Gerdts if (!isatty (STDIN_FILENO))
250bc36eafdSMike Gerdts {
251bc36eafdSMike Gerdts return;
252bc36eafdSMike Gerdts }
253bc36eafdSMike Gerdts
254bc36eafdSMike Gerdts /* Get and keep the original attributes */
255bc36eafdSMike Gerdts
256bc36eafdSMike Gerdts if (tcgetattr (STDIN_FILENO, &OriginalTermAttributes))
257bc36eafdSMike Gerdts {
258bc36eafdSMike Gerdts fprintf (stderr, "Could not get terminal attributes!\n");
259bc36eafdSMike Gerdts return;
260bc36eafdSMike Gerdts }
261bc36eafdSMike Gerdts
262bc36eafdSMike Gerdts /* Set the new attributes to enable raw character input */
263bc36eafdSMike Gerdts
264bc36eafdSMike Gerdts memcpy (&LocalTermAttributes, &OriginalTermAttributes,
265bc36eafdSMike Gerdts sizeof (struct termios));
266bc36eafdSMike Gerdts
267bc36eafdSMike Gerdts LocalTermAttributes.c_lflag &= ~(ICANON | ECHO);
268bc36eafdSMike Gerdts LocalTermAttributes.c_cc[VMIN] = 1;
269bc36eafdSMike Gerdts LocalTermAttributes.c_cc[VTIME] = 0;
270bc36eafdSMike Gerdts
271bc36eafdSMike Gerdts if (tcsetattr (STDIN_FILENO, TCSANOW, &LocalTermAttributes))
272bc36eafdSMike Gerdts {
273bc36eafdSMike Gerdts fprintf (stderr, "Could not set terminal attributes!\n");
274bc36eafdSMike Gerdts return;
275bc36eafdSMike Gerdts }
276bc36eafdSMike Gerdts
277bc36eafdSMike Gerdts TermAttributesWereSet = 1;
278bc36eafdSMike Gerdts }
279bc36eafdSMike Gerdts
280bc36eafdSMike Gerdts
281bc36eafdSMike Gerdts static void
OsExitLineEditMode(void)282bc36eafdSMike Gerdts OsExitLineEditMode (
283bc36eafdSMike Gerdts void)
284bc36eafdSMike Gerdts {
285bc36eafdSMike Gerdts
286bc36eafdSMike Gerdts if (!TermAttributesWereSet)
287bc36eafdSMike Gerdts {
288bc36eafdSMike Gerdts return;
289bc36eafdSMike Gerdts }
290bc36eafdSMike Gerdts
291bc36eafdSMike Gerdts /* Set terminal attributes back to the original values */
292bc36eafdSMike Gerdts
293bc36eafdSMike Gerdts if (tcsetattr (STDIN_FILENO, TCSANOW, &OriginalTermAttributes))
294bc36eafdSMike Gerdts {
295bc36eafdSMike Gerdts fprintf (stderr, "Could not restore terminal attributes!\n");
296bc36eafdSMike Gerdts }
297bc36eafdSMike Gerdts }
298bc36eafdSMike Gerdts
299bc36eafdSMike Gerdts
300bc36eafdSMike Gerdts #else
301bc36eafdSMike Gerdts
302bc36eafdSMike Gerdts /* These functions are not needed for other ACPICA utilities */
303bc36eafdSMike Gerdts
304bc36eafdSMike Gerdts #define OsEnterLineEditMode()
305bc36eafdSMike Gerdts #define OsExitLineEditMode()
306bc36eafdSMike Gerdts #endif
307bc36eafdSMike Gerdts
308bc36eafdSMike Gerdts
309bc36eafdSMike Gerdts /******************************************************************************
310bc36eafdSMike Gerdts *
311bc36eafdSMike Gerdts * FUNCTION: AcpiOsInitialize, AcpiOsTerminate
312bc36eafdSMike Gerdts *
313bc36eafdSMike Gerdts * PARAMETERS: None
314bc36eafdSMike Gerdts *
315bc36eafdSMike Gerdts * RETURN: Status
316bc36eafdSMike Gerdts *
317bc36eafdSMike Gerdts * DESCRIPTION: Initialize and terminate this module.
318bc36eafdSMike Gerdts *
319bc36eafdSMike Gerdts *****************************************************************************/
320bc36eafdSMike Gerdts
321bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsInitialize(void)322bc36eafdSMike Gerdts AcpiOsInitialize (
323bc36eafdSMike Gerdts void)
324bc36eafdSMike Gerdts {
325bc36eafdSMike Gerdts ACPI_STATUS Status;
326bc36eafdSMike Gerdts
327bc36eafdSMike Gerdts
328bc36eafdSMike Gerdts AcpiGbl_OutputFile = stdout;
329bc36eafdSMike Gerdts
330bc36eafdSMike Gerdts OsEnterLineEditMode ();
331bc36eafdSMike Gerdts
332bc36eafdSMike Gerdts Status = AcpiOsCreateLock (&AcpiGbl_PrintLock);
333bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
334bc36eafdSMike Gerdts {
335bc36eafdSMike Gerdts return (Status);
336bc36eafdSMike Gerdts }
337bc36eafdSMike Gerdts
338bc36eafdSMike Gerdts return (AE_OK);
339bc36eafdSMike Gerdts }
340bc36eafdSMike Gerdts
341bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsTerminate(void)342bc36eafdSMike Gerdts AcpiOsTerminate (
343bc36eafdSMike Gerdts void)
344bc36eafdSMike Gerdts {
345bc36eafdSMike Gerdts
346bc36eafdSMike Gerdts OsExitLineEditMode ();
347bc36eafdSMike Gerdts return (AE_OK);
348bc36eafdSMike Gerdts }
349bc36eafdSMike Gerdts
350bc36eafdSMike Gerdts
351bc36eafdSMike Gerdts #ifndef ACPI_USE_NATIVE_RSDP_POINTER
352bc36eafdSMike Gerdts /******************************************************************************
353bc36eafdSMike Gerdts *
354bc36eafdSMike Gerdts * FUNCTION: AcpiOsGetRootPointer
355bc36eafdSMike Gerdts *
356bc36eafdSMike Gerdts * PARAMETERS: None
357bc36eafdSMike Gerdts *
358bc36eafdSMike Gerdts * RETURN: RSDP physical address
359bc36eafdSMike Gerdts *
360bc36eafdSMike Gerdts * DESCRIPTION: Gets the ACPI root pointer (RSDP)
361bc36eafdSMike Gerdts *
362bc36eafdSMike Gerdts *****************************************************************************/
363bc36eafdSMike Gerdts
364bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS
AcpiOsGetRootPointer(void)365bc36eafdSMike Gerdts AcpiOsGetRootPointer (
366bc36eafdSMike Gerdts void)
367bc36eafdSMike Gerdts {
368bc36eafdSMike Gerdts
369bc36eafdSMike Gerdts return (0);
370bc36eafdSMike Gerdts }
371bc36eafdSMike Gerdts #endif
372bc36eafdSMike Gerdts
373bc36eafdSMike Gerdts
374bc36eafdSMike Gerdts /******************************************************************************
375bc36eafdSMike Gerdts *
376bc36eafdSMike Gerdts * FUNCTION: AcpiOsPredefinedOverride
377bc36eafdSMike Gerdts *
378bc36eafdSMike Gerdts * PARAMETERS: InitVal - Initial value of the predefined object
379bc36eafdSMike Gerdts * NewVal - The new value for the object
380bc36eafdSMike Gerdts *
381bc36eafdSMike Gerdts * RETURN: Status, pointer to value. Null pointer returned if not
382bc36eafdSMike Gerdts * overriding.
383bc36eafdSMike Gerdts *
384bc36eafdSMike Gerdts * DESCRIPTION: Allow the OS to override predefined names
385bc36eafdSMike Gerdts *
386bc36eafdSMike Gerdts *****************************************************************************/
387bc36eafdSMike Gerdts
388bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES * InitVal,ACPI_STRING * NewVal)389bc36eafdSMike Gerdts AcpiOsPredefinedOverride (
390bc36eafdSMike Gerdts const ACPI_PREDEFINED_NAMES *InitVal,
391bc36eafdSMike Gerdts ACPI_STRING *NewVal)
392bc36eafdSMike Gerdts {
393bc36eafdSMike Gerdts
394bc36eafdSMike Gerdts if (!InitVal || !NewVal)
395bc36eafdSMike Gerdts {
396bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
397bc36eafdSMike Gerdts }
398bc36eafdSMike Gerdts
399bc36eafdSMike Gerdts *NewVal = NULL;
400bc36eafdSMike Gerdts return (AE_OK);
401bc36eafdSMike Gerdts }
402bc36eafdSMike Gerdts
403bc36eafdSMike Gerdts
404bc36eafdSMike Gerdts /******************************************************************************
405bc36eafdSMike Gerdts *
406bc36eafdSMike Gerdts * FUNCTION: AcpiOsTableOverride
407bc36eafdSMike Gerdts *
408bc36eafdSMike Gerdts * PARAMETERS: ExistingTable - Header of current table (probably
409bc36eafdSMike Gerdts * firmware)
410bc36eafdSMike Gerdts * NewTable - Where an entire new table is returned.
411bc36eafdSMike Gerdts *
412bc36eafdSMike Gerdts * RETURN: Status, pointer to new table. Null pointer returned if no
413bc36eafdSMike Gerdts * table is available to override
414bc36eafdSMike Gerdts *
415bc36eafdSMike Gerdts * DESCRIPTION: Return a different version of a table if one is available
416bc36eafdSMike Gerdts *
417bc36eafdSMike Gerdts *****************************************************************************/
418bc36eafdSMike Gerdts
419bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsTableOverride(ACPI_TABLE_HEADER * ExistingTable,ACPI_TABLE_HEADER ** NewTable)420bc36eafdSMike Gerdts AcpiOsTableOverride (
421bc36eafdSMike Gerdts ACPI_TABLE_HEADER *ExistingTable,
422bc36eafdSMike Gerdts ACPI_TABLE_HEADER **NewTable)
423bc36eafdSMike Gerdts {
424bc36eafdSMike Gerdts
425bc36eafdSMike Gerdts if (!ExistingTable || !NewTable)
426bc36eafdSMike Gerdts {
427bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
428bc36eafdSMike Gerdts }
429bc36eafdSMike Gerdts
430bc36eafdSMike Gerdts *NewTable = NULL;
431bc36eafdSMike Gerdts
432bc36eafdSMike Gerdts #ifdef ACPI_EXEC_APP
433bc36eafdSMike Gerdts
434bc36eafdSMike Gerdts AeTableOverride (ExistingTable, NewTable);
435bc36eafdSMike Gerdts return (AE_OK);
436bc36eafdSMike Gerdts #else
437bc36eafdSMike Gerdts
438bc36eafdSMike Gerdts return (AE_NO_ACPI_TABLES);
439bc36eafdSMike Gerdts #endif
440bc36eafdSMike Gerdts }
441bc36eafdSMike Gerdts
442bc36eafdSMike Gerdts
443bc36eafdSMike Gerdts /******************************************************************************
444bc36eafdSMike Gerdts *
445bc36eafdSMike Gerdts * FUNCTION: AcpiOsPhysicalTableOverride
446bc36eafdSMike Gerdts *
447bc36eafdSMike Gerdts * PARAMETERS: ExistingTable - Header of current table (probably firmware)
448bc36eafdSMike Gerdts * NewAddress - Where new table address is returned
449bc36eafdSMike Gerdts * (Physical address)
450bc36eafdSMike Gerdts * NewTableLength - Where new table length is returned
451bc36eafdSMike Gerdts *
452bc36eafdSMike Gerdts * RETURN: Status, address/length of new table. Null pointer returned
453bc36eafdSMike Gerdts * if no table is available to override.
454bc36eafdSMike Gerdts *
455bc36eafdSMike Gerdts * DESCRIPTION: Returns AE_SUPPORT, function not used in user space.
456bc36eafdSMike Gerdts *
457bc36eafdSMike Gerdts *****************************************************************************/
458bc36eafdSMike Gerdts
459bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsPhysicalTableOverride(ACPI_TABLE_HEADER * ExistingTable,ACPI_PHYSICAL_ADDRESS * NewAddress,UINT32 * NewTableLength)460bc36eafdSMike Gerdts AcpiOsPhysicalTableOverride (
461bc36eafdSMike Gerdts ACPI_TABLE_HEADER *ExistingTable,
462bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS *NewAddress,
463bc36eafdSMike Gerdts UINT32 *NewTableLength)
464bc36eafdSMike Gerdts {
465bc36eafdSMike Gerdts
466bc36eafdSMike Gerdts return (AE_SUPPORT);
467bc36eafdSMike Gerdts }
468bc36eafdSMike Gerdts
469bc36eafdSMike Gerdts
470bc36eafdSMike Gerdts /******************************************************************************
471bc36eafdSMike Gerdts *
472*35786f68SRobert Mustacchi * FUNCTION: AcpiOsEnterSleep
473*35786f68SRobert Mustacchi *
474*35786f68SRobert Mustacchi * PARAMETERS: SleepState - Which sleep state to enter
475*35786f68SRobert Mustacchi * RegaValue - Register A value
476*35786f68SRobert Mustacchi * RegbValue - Register B value
477*35786f68SRobert Mustacchi *
478*35786f68SRobert Mustacchi * RETURN: Status
479*35786f68SRobert Mustacchi *
480*35786f68SRobert Mustacchi * DESCRIPTION: A hook before writing sleep registers to enter the sleep
481*35786f68SRobert Mustacchi * state. Return AE_CTRL_TERMINATE to skip further sleep register
482*35786f68SRobert Mustacchi * writes.
483*35786f68SRobert Mustacchi *
484*35786f68SRobert Mustacchi *****************************************************************************/
485*35786f68SRobert Mustacchi
486*35786f68SRobert Mustacchi ACPI_STATUS
AcpiOsEnterSleep(UINT8 SleepState,UINT32 RegaValue,UINT32 RegbValue)487*35786f68SRobert Mustacchi AcpiOsEnterSleep (
488*35786f68SRobert Mustacchi UINT8 SleepState,
489*35786f68SRobert Mustacchi UINT32 RegaValue,
490*35786f68SRobert Mustacchi UINT32 RegbValue)
491*35786f68SRobert Mustacchi {
492*35786f68SRobert Mustacchi
493*35786f68SRobert Mustacchi return (AE_OK);
494*35786f68SRobert Mustacchi }
495*35786f68SRobert Mustacchi
496*35786f68SRobert Mustacchi
497*35786f68SRobert Mustacchi /******************************************************************************
498*35786f68SRobert Mustacchi *
499bc36eafdSMike Gerdts * FUNCTION: AcpiOsRedirectOutput
500bc36eafdSMike Gerdts *
501bc36eafdSMike Gerdts * PARAMETERS: Destination - An open file handle/pointer
502bc36eafdSMike Gerdts *
503bc36eafdSMike Gerdts * RETURN: None
504bc36eafdSMike Gerdts *
505bc36eafdSMike Gerdts * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
506bc36eafdSMike Gerdts *
507bc36eafdSMike Gerdts *****************************************************************************/
508bc36eafdSMike Gerdts
509bc36eafdSMike Gerdts void
AcpiOsRedirectOutput(void * Destination)510bc36eafdSMike Gerdts AcpiOsRedirectOutput (
511bc36eafdSMike Gerdts void *Destination)
512bc36eafdSMike Gerdts {
513bc36eafdSMike Gerdts
514bc36eafdSMike Gerdts AcpiGbl_OutputFile = Destination;
515bc36eafdSMike Gerdts }
516bc36eafdSMike Gerdts
517bc36eafdSMike Gerdts
518bc36eafdSMike Gerdts /******************************************************************************
519bc36eafdSMike Gerdts *
520bc36eafdSMike Gerdts * FUNCTION: AcpiOsPrintf
521bc36eafdSMike Gerdts *
522bc36eafdSMike Gerdts * PARAMETERS: fmt, ... - Standard printf format
523bc36eafdSMike Gerdts *
524bc36eafdSMike Gerdts * RETURN: None
525bc36eafdSMike Gerdts *
526bc36eafdSMike Gerdts * DESCRIPTION: Formatted output. Note: very similar to AcpiOsVprintf
527bc36eafdSMike Gerdts * (performance), changes should be tracked in both functions.
528bc36eafdSMike Gerdts *
529bc36eafdSMike Gerdts *****************************************************************************/
530bc36eafdSMike Gerdts
531bc36eafdSMike Gerdts void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf(const char * Fmt,...)532bc36eafdSMike Gerdts AcpiOsPrintf (
533bc36eafdSMike Gerdts const char *Fmt,
534bc36eafdSMike Gerdts ...)
535bc36eafdSMike Gerdts {
536bc36eafdSMike Gerdts va_list Args;
537bc36eafdSMike Gerdts UINT8 Flags;
538bc36eafdSMike Gerdts
539bc36eafdSMike Gerdts
540bc36eafdSMike Gerdts Flags = AcpiGbl_DbOutputFlags;
541bc36eafdSMike Gerdts if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
542bc36eafdSMike Gerdts {
543bc36eafdSMike Gerdts /* Output is directable to either a file (if open) or the console */
544bc36eafdSMike Gerdts
545bc36eafdSMike Gerdts if (AcpiGbl_DebugFile)
546bc36eafdSMike Gerdts {
547bc36eafdSMike Gerdts /* Output file is open, send the output there */
548bc36eafdSMike Gerdts
549bc36eafdSMike Gerdts va_start (Args, Fmt);
550bc36eafdSMike Gerdts vfprintf (AcpiGbl_DebugFile, Fmt, Args);
551bc36eafdSMike Gerdts va_end (Args);
552bc36eafdSMike Gerdts }
553bc36eafdSMike Gerdts else
554bc36eafdSMike Gerdts {
555bc36eafdSMike Gerdts /* No redirection, send output to console (once only!) */
556bc36eafdSMike Gerdts
557bc36eafdSMike Gerdts Flags |= ACPI_DB_CONSOLE_OUTPUT;
558bc36eafdSMike Gerdts }
559bc36eafdSMike Gerdts }
560bc36eafdSMike Gerdts
561bc36eafdSMike Gerdts if (Flags & ACPI_DB_CONSOLE_OUTPUT)
562bc36eafdSMike Gerdts {
563bc36eafdSMike Gerdts va_start (Args, Fmt);
564bc36eafdSMike Gerdts vfprintf (AcpiGbl_OutputFile, Fmt, Args);
565bc36eafdSMike Gerdts va_end (Args);
566bc36eafdSMike Gerdts }
567bc36eafdSMike Gerdts }
568bc36eafdSMike Gerdts
569bc36eafdSMike Gerdts
570bc36eafdSMike Gerdts /******************************************************************************
571bc36eafdSMike Gerdts *
572bc36eafdSMike Gerdts * FUNCTION: AcpiOsVprintf
573bc36eafdSMike Gerdts *
574bc36eafdSMike Gerdts * PARAMETERS: fmt - Standard printf format
575bc36eafdSMike Gerdts * args - Argument list
576bc36eafdSMike Gerdts *
577bc36eafdSMike Gerdts * RETURN: None
578bc36eafdSMike Gerdts *
579bc36eafdSMike Gerdts * DESCRIPTION: Formatted output with argument list pointer. Note: very
580bc36eafdSMike Gerdts * similar to AcpiOsPrintf, changes should be tracked in both
581bc36eafdSMike Gerdts * functions.
582bc36eafdSMike Gerdts *
583bc36eafdSMike Gerdts *****************************************************************************/
584bc36eafdSMike Gerdts
585bc36eafdSMike Gerdts void
AcpiOsVprintf(const char * Fmt,va_list Args)586bc36eafdSMike Gerdts AcpiOsVprintf (
587bc36eafdSMike Gerdts const char *Fmt,
588bc36eafdSMike Gerdts va_list Args)
589bc36eafdSMike Gerdts {
590bc36eafdSMike Gerdts UINT8 Flags;
591bc36eafdSMike Gerdts char Buffer[ACPI_VPRINTF_BUFFER_SIZE];
592bc36eafdSMike Gerdts
593bc36eafdSMike Gerdts
594bc36eafdSMike Gerdts /*
595bc36eafdSMike Gerdts * We build the output string in a local buffer because we may be
596bc36eafdSMike Gerdts * outputting the buffer twice. Using vfprintf is problematic because
597bc36eafdSMike Gerdts * some implementations modify the args pointer/structure during
598bc36eafdSMike Gerdts * execution. Thus, we use the local buffer for portability.
599bc36eafdSMike Gerdts *
600bc36eafdSMike Gerdts * Note: Since this module is intended for use by the various ACPICA
601bc36eafdSMike Gerdts * utilities/applications, we can safely declare the buffer on the stack.
602bc36eafdSMike Gerdts * Also, This function is used for relatively small error messages only.
603bc36eafdSMike Gerdts */
604bc36eafdSMike Gerdts vsnprintf (Buffer, ACPI_VPRINTF_BUFFER_SIZE, Fmt, Args);
605bc36eafdSMike Gerdts
606bc36eafdSMike Gerdts Flags = AcpiGbl_DbOutputFlags;
607bc36eafdSMike Gerdts if (Flags & ACPI_DB_REDIRECTABLE_OUTPUT)
608bc36eafdSMike Gerdts {
609bc36eafdSMike Gerdts /* Output is directable to either a file (if open) or the console */
610bc36eafdSMike Gerdts
611bc36eafdSMike Gerdts if (AcpiGbl_DebugFile)
612bc36eafdSMike Gerdts {
613bc36eafdSMike Gerdts /* Output file is open, send the output there */
614bc36eafdSMike Gerdts
615bc36eafdSMike Gerdts fputs (Buffer, AcpiGbl_DebugFile);
616bc36eafdSMike Gerdts }
617bc36eafdSMike Gerdts else
618bc36eafdSMike Gerdts {
619bc36eafdSMike Gerdts /* No redirection, send output to console (once only!) */
620bc36eafdSMike Gerdts
621bc36eafdSMike Gerdts Flags |= ACPI_DB_CONSOLE_OUTPUT;
622bc36eafdSMike Gerdts }
623bc36eafdSMike Gerdts }
624bc36eafdSMike Gerdts
625bc36eafdSMike Gerdts if (Flags & ACPI_DB_CONSOLE_OUTPUT)
626bc36eafdSMike Gerdts {
627bc36eafdSMike Gerdts fputs (Buffer, AcpiGbl_OutputFile);
628bc36eafdSMike Gerdts }
629bc36eafdSMike Gerdts }
630bc36eafdSMike Gerdts
631bc36eafdSMike Gerdts
632bc36eafdSMike Gerdts #ifndef ACPI_EXEC_APP
633bc36eafdSMike Gerdts /******************************************************************************
634bc36eafdSMike Gerdts *
635bc36eafdSMike Gerdts * FUNCTION: AcpiOsGetLine
636bc36eafdSMike Gerdts *
637bc36eafdSMike Gerdts * PARAMETERS: Buffer - Where to return the command line
638bc36eafdSMike Gerdts * BufferLength - Maximum length of Buffer
639bc36eafdSMike Gerdts * BytesRead - Where the actual byte count is returned
640bc36eafdSMike Gerdts *
641bc36eafdSMike Gerdts * RETURN: Status and actual bytes read
642bc36eafdSMike Gerdts *
643bc36eafdSMike Gerdts * DESCRIPTION: Get the next input line from the terminal. NOTE: For the
644bc36eafdSMike Gerdts * AcpiExec utility, we use the acgetline module instead to
645bc36eafdSMike Gerdts * provide line-editing and history support.
646bc36eafdSMike Gerdts *
647bc36eafdSMike Gerdts *****************************************************************************/
648bc36eafdSMike Gerdts
649bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsGetLine(char * Buffer,UINT32 BufferLength,UINT32 * BytesRead)650bc36eafdSMike Gerdts AcpiOsGetLine (
651bc36eafdSMike Gerdts char *Buffer,
652bc36eafdSMike Gerdts UINT32 BufferLength,
653bc36eafdSMike Gerdts UINT32 *BytesRead)
654bc36eafdSMike Gerdts {
655bc36eafdSMike Gerdts int InputChar;
656bc36eafdSMike Gerdts UINT32 EndOfLine;
657bc36eafdSMike Gerdts
658bc36eafdSMike Gerdts
659bc36eafdSMike Gerdts /* Standard AcpiOsGetLine for all utilities except AcpiExec */
660bc36eafdSMike Gerdts
661bc36eafdSMike Gerdts for (EndOfLine = 0; ; EndOfLine++)
662bc36eafdSMike Gerdts {
663bc36eafdSMike Gerdts if (EndOfLine >= BufferLength)
664bc36eafdSMike Gerdts {
665bc36eafdSMike Gerdts return (AE_BUFFER_OVERFLOW);
666bc36eafdSMike Gerdts }
667bc36eafdSMike Gerdts
668bc36eafdSMike Gerdts if ((InputChar = getchar ()) == EOF)
669bc36eafdSMike Gerdts {
670bc36eafdSMike Gerdts return (AE_ERROR);
671bc36eafdSMike Gerdts }
672bc36eafdSMike Gerdts
673bc36eafdSMike Gerdts if (!InputChar || InputChar == _ASCII_NEWLINE)
674bc36eafdSMike Gerdts {
675bc36eafdSMike Gerdts break;
676bc36eafdSMike Gerdts }
677bc36eafdSMike Gerdts
678bc36eafdSMike Gerdts Buffer[EndOfLine] = (char) InputChar;
679bc36eafdSMike Gerdts }
680bc36eafdSMike Gerdts
681bc36eafdSMike Gerdts /* Null terminate the buffer */
682bc36eafdSMike Gerdts
683bc36eafdSMike Gerdts Buffer[EndOfLine] = 0;
684bc36eafdSMike Gerdts
685bc36eafdSMike Gerdts /* Return the number of bytes in the string */
686bc36eafdSMike Gerdts
687bc36eafdSMike Gerdts if (BytesRead)
688bc36eafdSMike Gerdts {
689bc36eafdSMike Gerdts *BytesRead = EndOfLine;
690bc36eafdSMike Gerdts }
691bc36eafdSMike Gerdts
692bc36eafdSMike Gerdts return (AE_OK);
693bc36eafdSMike Gerdts }
694bc36eafdSMike Gerdts #endif
695bc36eafdSMike Gerdts
696bc36eafdSMike Gerdts
697bc36eafdSMike Gerdts #ifndef ACPI_USE_NATIVE_MEMORY_MAPPING
698bc36eafdSMike Gerdts /******************************************************************************
699bc36eafdSMike Gerdts *
700bc36eafdSMike Gerdts * FUNCTION: AcpiOsMapMemory
701bc36eafdSMike Gerdts *
702bc36eafdSMike Gerdts * PARAMETERS: where - Physical address of memory to be mapped
703bc36eafdSMike Gerdts * length - How much memory to map
704bc36eafdSMike Gerdts *
705bc36eafdSMike Gerdts * RETURN: Pointer to mapped memory. Null on error.
706bc36eafdSMike Gerdts *
707bc36eafdSMike Gerdts * DESCRIPTION: Map physical memory into caller's address space
708bc36eafdSMike Gerdts *
709bc36eafdSMike Gerdts *****************************************************************************/
710bc36eafdSMike Gerdts
711bc36eafdSMike Gerdts void *
AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS where,ACPI_SIZE length)712bc36eafdSMike Gerdts AcpiOsMapMemory (
713bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS where,
714bc36eafdSMike Gerdts ACPI_SIZE length)
715bc36eafdSMike Gerdts {
716bc36eafdSMike Gerdts
717bc36eafdSMike Gerdts return (ACPI_TO_POINTER ((ACPI_SIZE) where));
718bc36eafdSMike Gerdts }
719bc36eafdSMike Gerdts
720bc36eafdSMike Gerdts
721bc36eafdSMike Gerdts /******************************************************************************
722bc36eafdSMike Gerdts *
723bc36eafdSMike Gerdts * FUNCTION: AcpiOsUnmapMemory
724bc36eafdSMike Gerdts *
725bc36eafdSMike Gerdts * PARAMETERS: where - Logical address of memory to be unmapped
726bc36eafdSMike Gerdts * length - How much memory to unmap
727bc36eafdSMike Gerdts *
728bc36eafdSMike Gerdts * RETURN: None.
729bc36eafdSMike Gerdts *
730bc36eafdSMike Gerdts * DESCRIPTION: Delete a previously created mapping. Where and Length must
731bc36eafdSMike Gerdts * correspond to a previous mapping exactly.
732bc36eafdSMike Gerdts *
733bc36eafdSMike Gerdts *****************************************************************************/
734bc36eafdSMike Gerdts
735bc36eafdSMike Gerdts void
AcpiOsUnmapMemory(void * where,ACPI_SIZE length)736bc36eafdSMike Gerdts AcpiOsUnmapMemory (
737bc36eafdSMike Gerdts void *where,
738bc36eafdSMike Gerdts ACPI_SIZE length)
739bc36eafdSMike Gerdts {
740bc36eafdSMike Gerdts
741bc36eafdSMike Gerdts return;
742bc36eafdSMike Gerdts }
743bc36eafdSMike Gerdts #endif
744bc36eafdSMike Gerdts
745bc36eafdSMike Gerdts
746bc36eafdSMike Gerdts /******************************************************************************
747bc36eafdSMike Gerdts *
748bc36eafdSMike Gerdts * FUNCTION: AcpiOsAllocate
749bc36eafdSMike Gerdts *
750bc36eafdSMike Gerdts * PARAMETERS: Size - Amount to allocate, in bytes
751bc36eafdSMike Gerdts *
752bc36eafdSMike Gerdts * RETURN: Pointer to the new allocation. Null on error.
753bc36eafdSMike Gerdts *
754bc36eafdSMike Gerdts * DESCRIPTION: Allocate memory. Algorithm is dependent on the OS.
755bc36eafdSMike Gerdts *
756bc36eafdSMike Gerdts *****************************************************************************/
757bc36eafdSMike Gerdts
758bc36eafdSMike Gerdts void *
AcpiOsAllocate(ACPI_SIZE size)759bc36eafdSMike Gerdts AcpiOsAllocate (
760bc36eafdSMike Gerdts ACPI_SIZE size)
761bc36eafdSMike Gerdts {
762bc36eafdSMike Gerdts void *Mem;
763bc36eafdSMike Gerdts
764bc36eafdSMike Gerdts
765bc36eafdSMike Gerdts Mem = (void *) malloc ((size_t) size);
766bc36eafdSMike Gerdts return (Mem);
767bc36eafdSMike Gerdts }
768bc36eafdSMike Gerdts
769bc36eafdSMike Gerdts
770bc36eafdSMike Gerdts #ifdef USE_NATIVE_ALLOCATE_ZEROED
771bc36eafdSMike Gerdts /******************************************************************************
772bc36eafdSMike Gerdts *
773bc36eafdSMike Gerdts * FUNCTION: AcpiOsAllocateZeroed
774bc36eafdSMike Gerdts *
775bc36eafdSMike Gerdts * PARAMETERS: Size - Amount to allocate, in bytes
776bc36eafdSMike Gerdts *
777bc36eafdSMike Gerdts * RETURN: Pointer to the new allocation. Null on error.
778bc36eafdSMike Gerdts *
779bc36eafdSMike Gerdts * DESCRIPTION: Allocate and zero memory. Algorithm is dependent on the OS.
780bc36eafdSMike Gerdts *
781bc36eafdSMike Gerdts *****************************************************************************/
782bc36eafdSMike Gerdts
783bc36eafdSMike Gerdts void *
AcpiOsAllocateZeroed(ACPI_SIZE size)784bc36eafdSMike Gerdts AcpiOsAllocateZeroed (
785bc36eafdSMike Gerdts ACPI_SIZE size)
786bc36eafdSMike Gerdts {
787bc36eafdSMike Gerdts void *Mem;
788bc36eafdSMike Gerdts
789bc36eafdSMike Gerdts
790bc36eafdSMike Gerdts Mem = (void *) calloc (1, (size_t) size);
791bc36eafdSMike Gerdts return (Mem);
792bc36eafdSMike Gerdts }
793bc36eafdSMike Gerdts #endif
794bc36eafdSMike Gerdts
795bc36eafdSMike Gerdts
796bc36eafdSMike Gerdts /******************************************************************************
797bc36eafdSMike Gerdts *
798bc36eafdSMike Gerdts * FUNCTION: AcpiOsFree
799bc36eafdSMike Gerdts *
800bc36eafdSMike Gerdts * PARAMETERS: mem - Pointer to previously allocated memory
801bc36eafdSMike Gerdts *
802bc36eafdSMike Gerdts * RETURN: None.
803bc36eafdSMike Gerdts *
804bc36eafdSMike Gerdts * DESCRIPTION: Free memory allocated via AcpiOsAllocate
805bc36eafdSMike Gerdts *
806bc36eafdSMike Gerdts *****************************************************************************/
807bc36eafdSMike Gerdts
808bc36eafdSMike Gerdts void
AcpiOsFree(void * mem)809bc36eafdSMike Gerdts AcpiOsFree (
810bc36eafdSMike Gerdts void *mem)
811bc36eafdSMike Gerdts {
812bc36eafdSMike Gerdts
813bc36eafdSMike Gerdts free (mem);
814bc36eafdSMike Gerdts }
815bc36eafdSMike Gerdts
816bc36eafdSMike Gerdts
817bc36eafdSMike Gerdts #ifdef ACPI_SINGLE_THREADED
818bc36eafdSMike Gerdts /******************************************************************************
819bc36eafdSMike Gerdts *
820bc36eafdSMike Gerdts * FUNCTION: Semaphore stub functions
821bc36eafdSMike Gerdts *
822bc36eafdSMike Gerdts * DESCRIPTION: Stub functions used for single-thread applications that do
823bc36eafdSMike Gerdts * not require semaphore synchronization. Full implementations
824bc36eafdSMike Gerdts * of these functions appear after the stubs.
825bc36eafdSMike Gerdts *
826bc36eafdSMike Gerdts *****************************************************************************/
827bc36eafdSMike Gerdts
828bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsCreateSemaphore(UINT32 MaxUnits,UINT32 InitialUnits,ACPI_HANDLE * OutHandle)829bc36eafdSMike Gerdts AcpiOsCreateSemaphore (
830bc36eafdSMike Gerdts UINT32 MaxUnits,
831bc36eafdSMike Gerdts UINT32 InitialUnits,
832bc36eafdSMike Gerdts ACPI_HANDLE *OutHandle)
833bc36eafdSMike Gerdts {
834bc36eafdSMike Gerdts *OutHandle = (ACPI_HANDLE) 1;
835bc36eafdSMike Gerdts return (AE_OK);
836bc36eafdSMike Gerdts }
837bc36eafdSMike Gerdts
838bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsDeleteSemaphore(ACPI_HANDLE Handle)839bc36eafdSMike Gerdts AcpiOsDeleteSemaphore (
840bc36eafdSMike Gerdts ACPI_HANDLE Handle)
841bc36eafdSMike Gerdts {
842bc36eafdSMike Gerdts return (AE_OK);
843bc36eafdSMike Gerdts }
844bc36eafdSMike Gerdts
845bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsWaitSemaphore(ACPI_HANDLE Handle,UINT32 Units,UINT16 Timeout)846bc36eafdSMike Gerdts AcpiOsWaitSemaphore (
847bc36eafdSMike Gerdts ACPI_HANDLE Handle,
848bc36eafdSMike Gerdts UINT32 Units,
849bc36eafdSMike Gerdts UINT16 Timeout)
850bc36eafdSMike Gerdts {
851bc36eafdSMike Gerdts return (AE_OK);
852bc36eafdSMike Gerdts }
853bc36eafdSMike Gerdts
854bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsSignalSemaphore(ACPI_HANDLE Handle,UINT32 Units)855bc36eafdSMike Gerdts AcpiOsSignalSemaphore (
856bc36eafdSMike Gerdts ACPI_HANDLE Handle,
857bc36eafdSMike Gerdts UINT32 Units)
858bc36eafdSMike Gerdts {
859bc36eafdSMike Gerdts return (AE_OK);
860bc36eafdSMike Gerdts }
861bc36eafdSMike Gerdts
862bc36eafdSMike Gerdts #else
863bc36eafdSMike Gerdts /******************************************************************************
864bc36eafdSMike Gerdts *
865bc36eafdSMike Gerdts * FUNCTION: AcpiOsCreateSemaphore
866bc36eafdSMike Gerdts *
867bc36eafdSMike Gerdts * PARAMETERS: InitialUnits - Units to be assigned to the new semaphore
868bc36eafdSMike Gerdts * OutHandle - Where a handle will be returned
869bc36eafdSMike Gerdts *
870bc36eafdSMike Gerdts * RETURN: Status
871bc36eafdSMike Gerdts *
872bc36eafdSMike Gerdts * DESCRIPTION: Create an OS semaphore
873bc36eafdSMike Gerdts *
874bc36eafdSMike Gerdts *****************************************************************************/
875bc36eafdSMike Gerdts
876bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsCreateSemaphore(UINT32 MaxUnits,UINT32 InitialUnits,ACPI_HANDLE * OutHandle)877bc36eafdSMike Gerdts AcpiOsCreateSemaphore (
878bc36eafdSMike Gerdts UINT32 MaxUnits,
879bc36eafdSMike Gerdts UINT32 InitialUnits,
880bc36eafdSMike Gerdts ACPI_HANDLE *OutHandle)
881bc36eafdSMike Gerdts {
882bc36eafdSMike Gerdts sem_t *Sem;
883bc36eafdSMike Gerdts
884bc36eafdSMike Gerdts
885bc36eafdSMike Gerdts if (!OutHandle)
886bc36eafdSMike Gerdts {
887bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
888bc36eafdSMike Gerdts }
889bc36eafdSMike Gerdts
890bc36eafdSMike Gerdts #ifdef __APPLE__
891bc36eafdSMike Gerdts {
892*35786f68SRobert Mustacchi static int SemaphoreCount = 0;
893*35786f68SRobert Mustacchi char SemaphoreName[32];
894bc36eafdSMike Gerdts
895*35786f68SRobert Mustacchi snprintf (SemaphoreName, sizeof (SemaphoreName), "acpi_sem_%d",
896*35786f68SRobert Mustacchi SemaphoreCount++);
897*35786f68SRobert Mustacchi printf ("%s\n", SemaphoreName);
898bc36eafdSMike Gerdts Sem = sem_open (SemaphoreName, O_EXCL|O_CREAT, 0755, InitialUnits);
899bc36eafdSMike Gerdts if (!Sem)
900bc36eafdSMike Gerdts {
901bc36eafdSMike Gerdts return (AE_NO_MEMORY);
902bc36eafdSMike Gerdts }
903bc36eafdSMike Gerdts sem_unlink (SemaphoreName); /* This just deletes the name */
904bc36eafdSMike Gerdts }
905bc36eafdSMike Gerdts
906bc36eafdSMike Gerdts #else
907bc36eafdSMike Gerdts Sem = AcpiOsAllocate (sizeof (sem_t));
908bc36eafdSMike Gerdts if (!Sem)
909bc36eafdSMike Gerdts {
910bc36eafdSMike Gerdts return (AE_NO_MEMORY);
911bc36eafdSMike Gerdts }
912bc36eafdSMike Gerdts
913bc36eafdSMike Gerdts if (sem_init (Sem, 0, InitialUnits) == -1)
914bc36eafdSMike Gerdts {
915bc36eafdSMike Gerdts AcpiOsFree (Sem);
916bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
917bc36eafdSMike Gerdts }
918bc36eafdSMike Gerdts #endif
919bc36eafdSMike Gerdts
920bc36eafdSMike Gerdts *OutHandle = (ACPI_HANDLE) Sem;
921bc36eafdSMike Gerdts return (AE_OK);
922bc36eafdSMike Gerdts }
923bc36eafdSMike Gerdts
924bc36eafdSMike Gerdts
925bc36eafdSMike Gerdts /******************************************************************************
926bc36eafdSMike Gerdts *
927bc36eafdSMike Gerdts * FUNCTION: AcpiOsDeleteSemaphore
928bc36eafdSMike Gerdts *
929bc36eafdSMike Gerdts * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
930bc36eafdSMike Gerdts *
931bc36eafdSMike Gerdts * RETURN: Status
932bc36eafdSMike Gerdts *
933bc36eafdSMike Gerdts * DESCRIPTION: Delete an OS semaphore
934bc36eafdSMike Gerdts *
935bc36eafdSMike Gerdts *****************************************************************************/
936bc36eafdSMike Gerdts
937bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsDeleteSemaphore(ACPI_HANDLE Handle)938bc36eafdSMike Gerdts AcpiOsDeleteSemaphore (
939bc36eafdSMike Gerdts ACPI_HANDLE Handle)
940bc36eafdSMike Gerdts {
941bc36eafdSMike Gerdts sem_t *Sem = (sem_t *) Handle;
942bc36eafdSMike Gerdts
943bc36eafdSMike Gerdts
944bc36eafdSMike Gerdts if (!Sem)
945bc36eafdSMike Gerdts {
946bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
947bc36eafdSMike Gerdts }
948bc36eafdSMike Gerdts
949*35786f68SRobert Mustacchi #ifdef __APPLE__
950*35786f68SRobert Mustacchi if (sem_close (Sem) == -1)
951*35786f68SRobert Mustacchi {
952*35786f68SRobert Mustacchi return (AE_BAD_PARAMETER);
953*35786f68SRobert Mustacchi }
954*35786f68SRobert Mustacchi #else
955bc36eafdSMike Gerdts if (sem_destroy (Sem) == -1)
956bc36eafdSMike Gerdts {
957bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
958bc36eafdSMike Gerdts }
959*35786f68SRobert Mustacchi #endif
960bc36eafdSMike Gerdts
961bc36eafdSMike Gerdts return (AE_OK);
962bc36eafdSMike Gerdts }
963bc36eafdSMike Gerdts
964bc36eafdSMike Gerdts
965bc36eafdSMike Gerdts /******************************************************************************
966bc36eafdSMike Gerdts *
967bc36eafdSMike Gerdts * FUNCTION: AcpiOsWaitSemaphore
968bc36eafdSMike Gerdts *
969bc36eafdSMike Gerdts * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
970bc36eafdSMike Gerdts * Units - How many units to wait for
971bc36eafdSMike Gerdts * MsecTimeout - How long to wait (milliseconds)
972bc36eafdSMike Gerdts *
973bc36eafdSMike Gerdts * RETURN: Status
974bc36eafdSMike Gerdts *
975bc36eafdSMike Gerdts * DESCRIPTION: Wait for units
976bc36eafdSMike Gerdts *
977bc36eafdSMike Gerdts *****************************************************************************/
978bc36eafdSMike Gerdts
979bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsWaitSemaphore(ACPI_HANDLE Handle,UINT32 Units,UINT16 MsecTimeout)980bc36eafdSMike Gerdts AcpiOsWaitSemaphore (
981bc36eafdSMike Gerdts ACPI_HANDLE Handle,
982bc36eafdSMike Gerdts UINT32 Units,
983bc36eafdSMike Gerdts UINT16 MsecTimeout)
984bc36eafdSMike Gerdts {
985bc36eafdSMike Gerdts ACPI_STATUS Status = AE_OK;
986bc36eafdSMike Gerdts sem_t *Sem = (sem_t *) Handle;
987*35786f68SRobert Mustacchi int RetVal;
988bc36eafdSMike Gerdts #ifndef ACPI_USE_ALTERNATE_TIMEOUT
989bc36eafdSMike Gerdts struct timespec Time;
990bc36eafdSMike Gerdts #endif
991bc36eafdSMike Gerdts
992bc36eafdSMike Gerdts
993bc36eafdSMike Gerdts if (!Sem)
994bc36eafdSMike Gerdts {
995bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
996bc36eafdSMike Gerdts }
997bc36eafdSMike Gerdts
998bc36eafdSMike Gerdts switch (MsecTimeout)
999bc36eafdSMike Gerdts {
1000bc36eafdSMike Gerdts /*
1001bc36eafdSMike Gerdts * No Wait:
1002bc36eafdSMike Gerdts * --------
1003bc36eafdSMike Gerdts * A zero timeout value indicates that we shouldn't wait - just
1004bc36eafdSMike Gerdts * acquire the semaphore if available otherwise return AE_TIME
1005bc36eafdSMike Gerdts * (a.k.a. 'would block').
1006bc36eafdSMike Gerdts */
1007bc36eafdSMike Gerdts case 0:
1008bc36eafdSMike Gerdts
1009bc36eafdSMike Gerdts if (sem_trywait(Sem) == -1)
1010bc36eafdSMike Gerdts {
1011bc36eafdSMike Gerdts Status = (AE_TIME);
1012bc36eafdSMike Gerdts }
1013bc36eafdSMike Gerdts break;
1014bc36eafdSMike Gerdts
1015bc36eafdSMike Gerdts /* Wait Indefinitely */
1016bc36eafdSMike Gerdts
1017bc36eafdSMike Gerdts case ACPI_WAIT_FOREVER:
1018bc36eafdSMike Gerdts
1019*35786f68SRobert Mustacchi while (((RetVal = sem_wait (Sem)) == -1) && (errno == EINTR))
1020*35786f68SRobert Mustacchi {
1021*35786f68SRobert Mustacchi continue; /* Restart if interrupted */
1022*35786f68SRobert Mustacchi }
1023*35786f68SRobert Mustacchi if (RetVal != 0)
1024bc36eafdSMike Gerdts {
1025bc36eafdSMike Gerdts Status = (AE_TIME);
1026bc36eafdSMike Gerdts }
1027bc36eafdSMike Gerdts break;
1028bc36eafdSMike Gerdts
1029*35786f68SRobert Mustacchi
1030bc36eafdSMike Gerdts /* Wait with MsecTimeout */
1031bc36eafdSMike Gerdts
1032bc36eafdSMike Gerdts default:
1033bc36eafdSMike Gerdts
1034bc36eafdSMike Gerdts #ifdef ACPI_USE_ALTERNATE_TIMEOUT
1035bc36eafdSMike Gerdts /*
1036bc36eafdSMike Gerdts * Alternate timeout mechanism for environments where
1037bc36eafdSMike Gerdts * sem_timedwait is not available or does not work properly.
1038bc36eafdSMike Gerdts */
1039bc36eafdSMike Gerdts while (MsecTimeout)
1040bc36eafdSMike Gerdts {
1041bc36eafdSMike Gerdts if (sem_trywait (Sem) == 0)
1042bc36eafdSMike Gerdts {
1043bc36eafdSMike Gerdts /* Got the semaphore */
1044bc36eafdSMike Gerdts return (AE_OK);
1045bc36eafdSMike Gerdts }
1046bc36eafdSMike Gerdts
1047bc36eafdSMike Gerdts if (MsecTimeout >= 10)
1048bc36eafdSMike Gerdts {
1049bc36eafdSMike Gerdts MsecTimeout -= 10;
1050bc36eafdSMike Gerdts usleep (10 * ACPI_USEC_PER_MSEC); /* ten milliseconds */
1051bc36eafdSMike Gerdts }
1052bc36eafdSMike Gerdts else
1053bc36eafdSMike Gerdts {
1054bc36eafdSMike Gerdts MsecTimeout--;
1055bc36eafdSMike Gerdts usleep (ACPI_USEC_PER_MSEC); /* one millisecond */
1056bc36eafdSMike Gerdts }
1057bc36eafdSMike Gerdts }
1058bc36eafdSMike Gerdts Status = (AE_TIME);
1059bc36eafdSMike Gerdts #else
1060bc36eafdSMike Gerdts /*
1061bc36eafdSMike Gerdts * The interface to sem_timedwait is an absolute time, so we need to
1062bc36eafdSMike Gerdts * get the current time, then add in the millisecond Timeout value.
1063bc36eafdSMike Gerdts */
1064bc36eafdSMike Gerdts if (clock_gettime (CLOCK_REALTIME, &Time) == -1)
1065bc36eafdSMike Gerdts {
1066bc36eafdSMike Gerdts perror ("clock_gettime");
1067bc36eafdSMike Gerdts return (AE_TIME);
1068bc36eafdSMike Gerdts }
1069bc36eafdSMike Gerdts
1070bc36eafdSMike Gerdts Time.tv_sec += (MsecTimeout / ACPI_MSEC_PER_SEC);
1071bc36eafdSMike Gerdts Time.tv_nsec += ((MsecTimeout % ACPI_MSEC_PER_SEC) * ACPI_NSEC_PER_MSEC);
1072bc36eafdSMike Gerdts
1073bc36eafdSMike Gerdts /* Handle nanosecond overflow (field must be less than one second) */
1074bc36eafdSMike Gerdts
1075bc36eafdSMike Gerdts if (Time.tv_nsec >= ACPI_NSEC_PER_SEC)
1076bc36eafdSMike Gerdts {
1077bc36eafdSMike Gerdts Time.tv_sec += (Time.tv_nsec / ACPI_NSEC_PER_SEC);
1078bc36eafdSMike Gerdts Time.tv_nsec = (Time.tv_nsec % ACPI_NSEC_PER_SEC);
1079bc36eafdSMike Gerdts }
1080bc36eafdSMike Gerdts
1081bc36eafdSMike Gerdts while (((RetVal = sem_timedwait (Sem, &Time)) == -1) && (errno == EINTR))
1082bc36eafdSMike Gerdts {
1083*35786f68SRobert Mustacchi continue; /* Restart if interrupted */
1084*35786f68SRobert Mustacchi
1085bc36eafdSMike Gerdts }
1086bc36eafdSMike Gerdts
1087bc36eafdSMike Gerdts if (RetVal != 0)
1088bc36eafdSMike Gerdts {
1089bc36eafdSMike Gerdts if (errno != ETIMEDOUT)
1090bc36eafdSMike Gerdts {
1091bc36eafdSMike Gerdts perror ("sem_timedwait");
1092bc36eafdSMike Gerdts }
1093bc36eafdSMike Gerdts Status = (AE_TIME);
1094bc36eafdSMike Gerdts }
1095bc36eafdSMike Gerdts #endif
1096bc36eafdSMike Gerdts break;
1097bc36eafdSMike Gerdts }
1098bc36eafdSMike Gerdts
1099bc36eafdSMike Gerdts return (Status);
1100bc36eafdSMike Gerdts }
1101bc36eafdSMike Gerdts
1102bc36eafdSMike Gerdts
1103bc36eafdSMike Gerdts /******************************************************************************
1104bc36eafdSMike Gerdts *
1105bc36eafdSMike Gerdts * FUNCTION: AcpiOsSignalSemaphore
1106bc36eafdSMike Gerdts *
1107bc36eafdSMike Gerdts * PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
1108bc36eafdSMike Gerdts * Units - Number of units to send
1109bc36eafdSMike Gerdts *
1110bc36eafdSMike Gerdts * RETURN: Status
1111bc36eafdSMike Gerdts *
1112bc36eafdSMike Gerdts * DESCRIPTION: Send units
1113bc36eafdSMike Gerdts *
1114bc36eafdSMike Gerdts *****************************************************************************/
1115bc36eafdSMike Gerdts
1116bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsSignalSemaphore(ACPI_HANDLE Handle,UINT32 Units)1117bc36eafdSMike Gerdts AcpiOsSignalSemaphore (
1118bc36eafdSMike Gerdts ACPI_HANDLE Handle,
1119bc36eafdSMike Gerdts UINT32 Units)
1120bc36eafdSMike Gerdts {
1121bc36eafdSMike Gerdts sem_t *Sem = (sem_t *)Handle;
1122bc36eafdSMike Gerdts
1123bc36eafdSMike Gerdts
1124bc36eafdSMike Gerdts if (!Sem)
1125bc36eafdSMike Gerdts {
1126bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
1127bc36eafdSMike Gerdts }
1128bc36eafdSMike Gerdts
1129bc36eafdSMike Gerdts if (sem_post (Sem) == -1)
1130bc36eafdSMike Gerdts {
1131bc36eafdSMike Gerdts return (AE_LIMIT);
1132bc36eafdSMike Gerdts }
1133bc36eafdSMike Gerdts
1134bc36eafdSMike Gerdts return (AE_OK);
1135bc36eafdSMike Gerdts }
1136bc36eafdSMike Gerdts
1137bc36eafdSMike Gerdts #endif /* ACPI_SINGLE_THREADED */
1138bc36eafdSMike Gerdts
1139bc36eafdSMike Gerdts
1140bc36eafdSMike Gerdts /******************************************************************************
1141bc36eafdSMike Gerdts *
1142bc36eafdSMike Gerdts * FUNCTION: Spinlock interfaces
1143bc36eafdSMike Gerdts *
1144bc36eafdSMike Gerdts * DESCRIPTION: Map these interfaces to semaphore interfaces
1145bc36eafdSMike Gerdts *
1146bc36eafdSMike Gerdts *****************************************************************************/
1147bc36eafdSMike Gerdts
1148bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsCreateLock(ACPI_SPINLOCK * OutHandle)1149bc36eafdSMike Gerdts AcpiOsCreateLock (
1150bc36eafdSMike Gerdts ACPI_SPINLOCK *OutHandle)
1151bc36eafdSMike Gerdts {
1152bc36eafdSMike Gerdts
1153bc36eafdSMike Gerdts return (AcpiOsCreateSemaphore (1, 1, OutHandle));
1154bc36eafdSMike Gerdts }
1155bc36eafdSMike Gerdts
1156bc36eafdSMike Gerdts
1157bc36eafdSMike Gerdts void
AcpiOsDeleteLock(ACPI_SPINLOCK Handle)1158bc36eafdSMike Gerdts AcpiOsDeleteLock (
1159bc36eafdSMike Gerdts ACPI_SPINLOCK Handle)
1160bc36eafdSMike Gerdts {
1161bc36eafdSMike Gerdts AcpiOsDeleteSemaphore (Handle);
1162bc36eafdSMike Gerdts }
1163bc36eafdSMike Gerdts
1164bc36eafdSMike Gerdts
1165bc36eafdSMike Gerdts ACPI_CPU_FLAGS
AcpiOsAcquireLock(ACPI_HANDLE Handle)1166bc36eafdSMike Gerdts AcpiOsAcquireLock (
1167bc36eafdSMike Gerdts ACPI_HANDLE Handle)
1168bc36eafdSMike Gerdts {
1169bc36eafdSMike Gerdts AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
1170bc36eafdSMike Gerdts return (0);
1171bc36eafdSMike Gerdts }
1172bc36eafdSMike Gerdts
1173bc36eafdSMike Gerdts
1174bc36eafdSMike Gerdts void
AcpiOsReleaseLock(ACPI_SPINLOCK Handle,ACPI_CPU_FLAGS Flags)1175bc36eafdSMike Gerdts AcpiOsReleaseLock (
1176bc36eafdSMike Gerdts ACPI_SPINLOCK Handle,
1177bc36eafdSMike Gerdts ACPI_CPU_FLAGS Flags)
1178bc36eafdSMike Gerdts {
1179bc36eafdSMike Gerdts AcpiOsSignalSemaphore (Handle, 1);
1180bc36eafdSMike Gerdts }
1181bc36eafdSMike Gerdts
1182bc36eafdSMike Gerdts
1183bc36eafdSMike Gerdts /******************************************************************************
1184bc36eafdSMike Gerdts *
1185bc36eafdSMike Gerdts * FUNCTION: AcpiOsInstallInterruptHandler
1186bc36eafdSMike Gerdts *
1187bc36eafdSMike Gerdts * PARAMETERS: InterruptNumber - Level handler should respond to.
1188bc36eafdSMike Gerdts * Isr - Address of the ACPI interrupt handler
1189bc36eafdSMike Gerdts * ExceptPtr - Where status is returned
1190bc36eafdSMike Gerdts *
1191bc36eafdSMike Gerdts * RETURN: Handle to the newly installed handler.
1192bc36eafdSMike Gerdts *
1193bc36eafdSMike Gerdts * DESCRIPTION: Install an interrupt handler. Used to install the ACPI
1194bc36eafdSMike Gerdts * OS-independent handler.
1195bc36eafdSMike Gerdts *
1196bc36eafdSMike Gerdts *****************************************************************************/
1197bc36eafdSMike Gerdts
1198bc36eafdSMike Gerdts UINT32
AcpiOsInstallInterruptHandler(UINT32 InterruptNumber,ACPI_OSD_HANDLER ServiceRoutine,void * Context)1199bc36eafdSMike Gerdts AcpiOsInstallInterruptHandler (
1200bc36eafdSMike Gerdts UINT32 InterruptNumber,
1201bc36eafdSMike Gerdts ACPI_OSD_HANDLER ServiceRoutine,
1202bc36eafdSMike Gerdts void *Context)
1203bc36eafdSMike Gerdts {
1204bc36eafdSMike Gerdts
1205bc36eafdSMike Gerdts return (AE_OK);
1206bc36eafdSMike Gerdts }
1207bc36eafdSMike Gerdts
1208bc36eafdSMike Gerdts
1209bc36eafdSMike Gerdts /******************************************************************************
1210bc36eafdSMike Gerdts *
1211bc36eafdSMike Gerdts * FUNCTION: AcpiOsRemoveInterruptHandler
1212bc36eafdSMike Gerdts *
1213bc36eafdSMike Gerdts * PARAMETERS: Handle - Returned when handler was installed
1214bc36eafdSMike Gerdts *
1215bc36eafdSMike Gerdts * RETURN: Status
1216bc36eafdSMike Gerdts *
1217bc36eafdSMike Gerdts * DESCRIPTION: Uninstalls an interrupt handler.
1218bc36eafdSMike Gerdts *
1219bc36eafdSMike Gerdts *****************************************************************************/
1220bc36eafdSMike Gerdts
1221bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsRemoveInterruptHandler(UINT32 InterruptNumber,ACPI_OSD_HANDLER ServiceRoutine)1222bc36eafdSMike Gerdts AcpiOsRemoveInterruptHandler (
1223bc36eafdSMike Gerdts UINT32 InterruptNumber,
1224bc36eafdSMike Gerdts ACPI_OSD_HANDLER ServiceRoutine)
1225bc36eafdSMike Gerdts {
1226bc36eafdSMike Gerdts
1227bc36eafdSMike Gerdts return (AE_OK);
1228bc36eafdSMike Gerdts }
1229bc36eafdSMike Gerdts
1230bc36eafdSMike Gerdts
1231bc36eafdSMike Gerdts /******************************************************************************
1232bc36eafdSMike Gerdts *
1233bc36eafdSMike Gerdts * FUNCTION: AcpiOsStall
1234bc36eafdSMike Gerdts *
1235bc36eafdSMike Gerdts * PARAMETERS: microseconds - Time to sleep
1236bc36eafdSMike Gerdts *
1237bc36eafdSMike Gerdts * RETURN: Blocks until sleep is completed.
1238bc36eafdSMike Gerdts *
1239bc36eafdSMike Gerdts * DESCRIPTION: Sleep at microsecond granularity
1240bc36eafdSMike Gerdts *
1241bc36eafdSMike Gerdts *****************************************************************************/
1242bc36eafdSMike Gerdts
1243bc36eafdSMike Gerdts void
AcpiOsStall(UINT32 microseconds)1244bc36eafdSMike Gerdts AcpiOsStall (
1245bc36eafdSMike Gerdts UINT32 microseconds)
1246bc36eafdSMike Gerdts {
1247bc36eafdSMike Gerdts
1248bc36eafdSMike Gerdts if (microseconds)
1249bc36eafdSMike Gerdts {
1250bc36eafdSMike Gerdts usleep (microseconds);
1251bc36eafdSMike Gerdts }
1252bc36eafdSMike Gerdts }
1253bc36eafdSMike Gerdts
1254bc36eafdSMike Gerdts
1255bc36eafdSMike Gerdts /******************************************************************************
1256bc36eafdSMike Gerdts *
1257bc36eafdSMike Gerdts * FUNCTION: AcpiOsSleep
1258bc36eafdSMike Gerdts *
1259bc36eafdSMike Gerdts * PARAMETERS: milliseconds - Time to sleep
1260bc36eafdSMike Gerdts *
1261bc36eafdSMike Gerdts * RETURN: Blocks until sleep is completed.
1262bc36eafdSMike Gerdts *
1263bc36eafdSMike Gerdts * DESCRIPTION: Sleep at millisecond granularity
1264bc36eafdSMike Gerdts *
1265bc36eafdSMike Gerdts *****************************************************************************/
1266bc36eafdSMike Gerdts
1267bc36eafdSMike Gerdts void
AcpiOsSleep(UINT64 milliseconds)1268bc36eafdSMike Gerdts AcpiOsSleep (
1269bc36eafdSMike Gerdts UINT64 milliseconds)
1270bc36eafdSMike Gerdts {
1271bc36eafdSMike Gerdts
1272bc36eafdSMike Gerdts /* Sleep for whole seconds */
1273bc36eafdSMike Gerdts
1274bc36eafdSMike Gerdts sleep (milliseconds / ACPI_MSEC_PER_SEC);
1275bc36eafdSMike Gerdts
1276bc36eafdSMike Gerdts /*
1277bc36eafdSMike Gerdts * Sleep for remaining microseconds.
1278bc36eafdSMike Gerdts * Arg to usleep() is in usecs and must be less than 1,000,000 (1 second).
1279bc36eafdSMike Gerdts */
1280bc36eafdSMike Gerdts usleep ((milliseconds % ACPI_MSEC_PER_SEC) * ACPI_USEC_PER_MSEC);
1281bc36eafdSMike Gerdts }
1282bc36eafdSMike Gerdts
1283bc36eafdSMike Gerdts
1284bc36eafdSMike Gerdts /******************************************************************************
1285bc36eafdSMike Gerdts *
1286bc36eafdSMike Gerdts * FUNCTION: AcpiOsGetTimer
1287bc36eafdSMike Gerdts *
1288bc36eafdSMike Gerdts * PARAMETERS: None
1289bc36eafdSMike Gerdts *
1290bc36eafdSMike Gerdts * RETURN: Current time in 100 nanosecond units
1291bc36eafdSMike Gerdts *
1292bc36eafdSMike Gerdts * DESCRIPTION: Get the current system time
1293bc36eafdSMike Gerdts *
1294bc36eafdSMike Gerdts *****************************************************************************/
1295bc36eafdSMike Gerdts
1296bc36eafdSMike Gerdts UINT64
AcpiOsGetTimer(void)1297bc36eafdSMike Gerdts AcpiOsGetTimer (
1298bc36eafdSMike Gerdts void)
1299bc36eafdSMike Gerdts {
1300bc36eafdSMike Gerdts struct timeval time;
1301bc36eafdSMike Gerdts
1302bc36eafdSMike Gerdts
1303bc36eafdSMike Gerdts /* This timer has sufficient resolution for user-space application code */
1304bc36eafdSMike Gerdts
1305bc36eafdSMike Gerdts gettimeofday (&time, NULL);
1306bc36eafdSMike Gerdts
1307bc36eafdSMike Gerdts /* (Seconds * 10^7 = 100ns(10^-7)) + (Microseconds(10^-6) * 10^1 = 100ns) */
1308bc36eafdSMike Gerdts
1309bc36eafdSMike Gerdts return (((UINT64) time.tv_sec * ACPI_100NSEC_PER_SEC) +
1310bc36eafdSMike Gerdts ((UINT64) time.tv_usec * ACPI_100NSEC_PER_USEC));
1311bc36eafdSMike Gerdts }
1312bc36eafdSMike Gerdts
1313bc36eafdSMike Gerdts
1314bc36eafdSMike Gerdts /******************************************************************************
1315bc36eafdSMike Gerdts *
1316bc36eafdSMike Gerdts * FUNCTION: AcpiOsReadPciConfiguration
1317bc36eafdSMike Gerdts *
1318bc36eafdSMike Gerdts * PARAMETERS: PciId - Seg/Bus/Dev
1319bc36eafdSMike Gerdts * PciRegister - Device Register
1320bc36eafdSMike Gerdts * Value - Buffer where value is placed
1321bc36eafdSMike Gerdts * Width - Number of bits
1322bc36eafdSMike Gerdts *
1323bc36eafdSMike Gerdts * RETURN: Status
1324bc36eafdSMike Gerdts *
1325bc36eafdSMike Gerdts * DESCRIPTION: Read data from PCI configuration space
1326bc36eafdSMike Gerdts *
1327bc36eafdSMike Gerdts *****************************************************************************/
1328bc36eafdSMike Gerdts
1329bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsReadPciConfiguration(ACPI_PCI_ID * PciId,UINT32 PciRegister,UINT64 * Value,UINT32 Width)1330bc36eafdSMike Gerdts AcpiOsReadPciConfiguration (
1331bc36eafdSMike Gerdts ACPI_PCI_ID *PciId,
1332bc36eafdSMike Gerdts UINT32 PciRegister,
1333bc36eafdSMike Gerdts UINT64 *Value,
1334bc36eafdSMike Gerdts UINT32 Width)
1335bc36eafdSMike Gerdts {
1336bc36eafdSMike Gerdts
1337bc36eafdSMike Gerdts *Value = 0;
1338bc36eafdSMike Gerdts return (AE_OK);
1339bc36eafdSMike Gerdts }
1340bc36eafdSMike Gerdts
1341bc36eafdSMike Gerdts
1342bc36eafdSMike Gerdts /******************************************************************************
1343bc36eafdSMike Gerdts *
1344bc36eafdSMike Gerdts * FUNCTION: AcpiOsWritePciConfiguration
1345bc36eafdSMike Gerdts *
1346bc36eafdSMike Gerdts * PARAMETERS: PciId - Seg/Bus/Dev
1347bc36eafdSMike Gerdts * PciRegister - Device Register
1348bc36eafdSMike Gerdts * Value - Value to be written
1349bc36eafdSMike Gerdts * Width - Number of bits
1350bc36eafdSMike Gerdts *
1351bc36eafdSMike Gerdts * RETURN: Status.
1352bc36eafdSMike Gerdts *
1353bc36eafdSMike Gerdts * DESCRIPTION: Write data to PCI configuration space
1354bc36eafdSMike Gerdts *
1355bc36eafdSMike Gerdts *****************************************************************************/
1356bc36eafdSMike Gerdts
1357bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsWritePciConfiguration(ACPI_PCI_ID * PciId,UINT32 PciRegister,UINT64 Value,UINT32 Width)1358bc36eafdSMike Gerdts AcpiOsWritePciConfiguration (
1359bc36eafdSMike Gerdts ACPI_PCI_ID *PciId,
1360bc36eafdSMike Gerdts UINT32 PciRegister,
1361bc36eafdSMike Gerdts UINT64 Value,
1362bc36eafdSMike Gerdts UINT32 Width)
1363bc36eafdSMike Gerdts {
1364bc36eafdSMike Gerdts
1365bc36eafdSMike Gerdts return (AE_OK);
1366bc36eafdSMike Gerdts }
1367bc36eafdSMike Gerdts
1368bc36eafdSMike Gerdts
1369bc36eafdSMike Gerdts /******************************************************************************
1370bc36eafdSMike Gerdts *
1371bc36eafdSMike Gerdts * FUNCTION: AcpiOsReadPort
1372bc36eafdSMike Gerdts *
1373bc36eafdSMike Gerdts * PARAMETERS: Address - Address of I/O port/register to read
1374bc36eafdSMike Gerdts * Value - Where value is placed
1375bc36eafdSMike Gerdts * Width - Number of bits
1376bc36eafdSMike Gerdts *
1377bc36eafdSMike Gerdts * RETURN: Value read from port
1378bc36eafdSMike Gerdts *
1379bc36eafdSMike Gerdts * DESCRIPTION: Read data from an I/O port or register
1380bc36eafdSMike Gerdts *
1381bc36eafdSMike Gerdts *****************************************************************************/
1382bc36eafdSMike Gerdts
1383bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsReadPort(ACPI_IO_ADDRESS Address,UINT32 * Value,UINT32 Width)1384bc36eafdSMike Gerdts AcpiOsReadPort (
1385bc36eafdSMike Gerdts ACPI_IO_ADDRESS Address,
1386bc36eafdSMike Gerdts UINT32 *Value,
1387bc36eafdSMike Gerdts UINT32 Width)
1388bc36eafdSMike Gerdts {
1389bc36eafdSMike Gerdts
1390bc36eafdSMike Gerdts switch (Width)
1391bc36eafdSMike Gerdts {
1392bc36eafdSMike Gerdts case 8:
1393bc36eafdSMike Gerdts
1394bc36eafdSMike Gerdts *Value = 0xFF;
1395bc36eafdSMike Gerdts break;
1396bc36eafdSMike Gerdts
1397bc36eafdSMike Gerdts case 16:
1398bc36eafdSMike Gerdts
1399bc36eafdSMike Gerdts *Value = 0xFFFF;
1400bc36eafdSMike Gerdts break;
1401bc36eafdSMike Gerdts
1402bc36eafdSMike Gerdts case 32:
1403bc36eafdSMike Gerdts
1404bc36eafdSMike Gerdts *Value = 0xFFFFFFFF;
1405bc36eafdSMike Gerdts break;
1406bc36eafdSMike Gerdts
1407bc36eafdSMike Gerdts default:
1408bc36eafdSMike Gerdts
1409bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
1410bc36eafdSMike Gerdts }
1411bc36eafdSMike Gerdts
1412bc36eafdSMike Gerdts return (AE_OK);
1413bc36eafdSMike Gerdts }
1414bc36eafdSMike Gerdts
1415bc36eafdSMike Gerdts
1416bc36eafdSMike Gerdts /******************************************************************************
1417bc36eafdSMike Gerdts *
1418bc36eafdSMike Gerdts * FUNCTION: AcpiOsWritePort
1419bc36eafdSMike Gerdts *
1420bc36eafdSMike Gerdts * PARAMETERS: Address - Address of I/O port/register to write
1421bc36eafdSMike Gerdts * Value - Value to write
1422bc36eafdSMike Gerdts * Width - Number of bits
1423bc36eafdSMike Gerdts *
1424bc36eafdSMike Gerdts * RETURN: None
1425bc36eafdSMike Gerdts *
1426bc36eafdSMike Gerdts * DESCRIPTION: Write data to an I/O port or register
1427bc36eafdSMike Gerdts *
1428bc36eafdSMike Gerdts *****************************************************************************/
1429bc36eafdSMike Gerdts
1430bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsWritePort(ACPI_IO_ADDRESS Address,UINT32 Value,UINT32 Width)1431bc36eafdSMike Gerdts AcpiOsWritePort (
1432bc36eafdSMike Gerdts ACPI_IO_ADDRESS Address,
1433bc36eafdSMike Gerdts UINT32 Value,
1434bc36eafdSMike Gerdts UINT32 Width)
1435bc36eafdSMike Gerdts {
1436bc36eafdSMike Gerdts
1437bc36eafdSMike Gerdts return (AE_OK);
1438bc36eafdSMike Gerdts }
1439bc36eafdSMike Gerdts
1440bc36eafdSMike Gerdts
1441bc36eafdSMike Gerdts /******************************************************************************
1442bc36eafdSMike Gerdts *
1443bc36eafdSMike Gerdts * FUNCTION: AcpiOsReadMemory
1444bc36eafdSMike Gerdts *
1445bc36eafdSMike Gerdts * PARAMETERS: Address - Physical Memory Address to read
1446bc36eafdSMike Gerdts * Value - Where value is placed
1447bc36eafdSMike Gerdts * Width - Number of bits (8,16,32, or 64)
1448bc36eafdSMike Gerdts *
1449bc36eafdSMike Gerdts * RETURN: Value read from physical memory address. Always returned
1450bc36eafdSMike Gerdts * as a 64-bit integer, regardless of the read width.
1451bc36eafdSMike Gerdts *
1452bc36eafdSMike Gerdts * DESCRIPTION: Read data from a physical memory address
1453bc36eafdSMike Gerdts *
1454bc36eafdSMike Gerdts *****************************************************************************/
1455bc36eafdSMike Gerdts
1456bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsReadMemory(ACPI_PHYSICAL_ADDRESS Address,UINT64 * Value,UINT32 Width)1457bc36eafdSMike Gerdts AcpiOsReadMemory (
1458bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS Address,
1459bc36eafdSMike Gerdts UINT64 *Value,
1460bc36eafdSMike Gerdts UINT32 Width)
1461bc36eafdSMike Gerdts {
1462bc36eafdSMike Gerdts
1463bc36eafdSMike Gerdts switch (Width)
1464bc36eafdSMike Gerdts {
1465bc36eafdSMike Gerdts case 8:
1466bc36eafdSMike Gerdts case 16:
1467bc36eafdSMike Gerdts case 32:
1468bc36eafdSMike Gerdts case 64:
1469bc36eafdSMike Gerdts
1470bc36eafdSMike Gerdts *Value = 0;
1471bc36eafdSMike Gerdts break;
1472bc36eafdSMike Gerdts
1473bc36eafdSMike Gerdts default:
1474bc36eafdSMike Gerdts
1475bc36eafdSMike Gerdts return (AE_BAD_PARAMETER);
1476bc36eafdSMike Gerdts }
1477bc36eafdSMike Gerdts return (AE_OK);
1478bc36eafdSMike Gerdts }
1479bc36eafdSMike Gerdts
1480bc36eafdSMike Gerdts
1481bc36eafdSMike Gerdts /******************************************************************************
1482bc36eafdSMike Gerdts *
1483bc36eafdSMike Gerdts * FUNCTION: AcpiOsWriteMemory
1484bc36eafdSMike Gerdts *
1485bc36eafdSMike Gerdts * PARAMETERS: Address - Physical Memory Address to write
1486bc36eafdSMike Gerdts * Value - Value to write
1487bc36eafdSMike Gerdts * Width - Number of bits (8,16,32, or 64)
1488bc36eafdSMike Gerdts *
1489bc36eafdSMike Gerdts * RETURN: None
1490bc36eafdSMike Gerdts *
1491bc36eafdSMike Gerdts * DESCRIPTION: Write data to a physical memory address
1492bc36eafdSMike Gerdts *
1493bc36eafdSMike Gerdts *****************************************************************************/
1494bc36eafdSMike Gerdts
1495bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsWriteMemory(ACPI_PHYSICAL_ADDRESS Address,UINT64 Value,UINT32 Width)1496bc36eafdSMike Gerdts AcpiOsWriteMemory (
1497bc36eafdSMike Gerdts ACPI_PHYSICAL_ADDRESS Address,
1498bc36eafdSMike Gerdts UINT64 Value,
1499bc36eafdSMike Gerdts UINT32 Width)
1500bc36eafdSMike Gerdts {
1501bc36eafdSMike Gerdts
1502bc36eafdSMike Gerdts return (AE_OK);
1503bc36eafdSMike Gerdts }
1504bc36eafdSMike Gerdts
1505bc36eafdSMike Gerdts
1506bc36eafdSMike Gerdts /******************************************************************************
1507bc36eafdSMike Gerdts *
1508bc36eafdSMike Gerdts * FUNCTION: AcpiOsReadable
1509bc36eafdSMike Gerdts *
1510bc36eafdSMike Gerdts * PARAMETERS: Pointer - Area to be verified
1511bc36eafdSMike Gerdts * Length - Size of area
1512bc36eafdSMike Gerdts *
1513bc36eafdSMike Gerdts * RETURN: TRUE if readable for entire length
1514bc36eafdSMike Gerdts *
1515bc36eafdSMike Gerdts * DESCRIPTION: Verify that a pointer is valid for reading
1516bc36eafdSMike Gerdts *
1517bc36eafdSMike Gerdts *****************************************************************************/
1518bc36eafdSMike Gerdts
1519bc36eafdSMike Gerdts BOOLEAN
AcpiOsReadable(void * Pointer,ACPI_SIZE Length)1520bc36eafdSMike Gerdts AcpiOsReadable (
1521bc36eafdSMike Gerdts void *Pointer,
1522bc36eafdSMike Gerdts ACPI_SIZE Length)
1523bc36eafdSMike Gerdts {
1524bc36eafdSMike Gerdts
1525bc36eafdSMike Gerdts return (TRUE);
1526bc36eafdSMike Gerdts }
1527bc36eafdSMike Gerdts
1528bc36eafdSMike Gerdts
1529bc36eafdSMike Gerdts /******************************************************************************
1530bc36eafdSMike Gerdts *
1531bc36eafdSMike Gerdts * FUNCTION: AcpiOsWritable
1532bc36eafdSMike Gerdts *
1533bc36eafdSMike Gerdts * PARAMETERS: Pointer - Area to be verified
1534bc36eafdSMike Gerdts * Length - Size of area
1535bc36eafdSMike Gerdts *
1536bc36eafdSMike Gerdts * RETURN: TRUE if writable for entire length
1537bc36eafdSMike Gerdts *
1538bc36eafdSMike Gerdts * DESCRIPTION: Verify that a pointer is valid for writing
1539bc36eafdSMike Gerdts *
1540bc36eafdSMike Gerdts *****************************************************************************/
1541bc36eafdSMike Gerdts
1542bc36eafdSMike Gerdts BOOLEAN
AcpiOsWritable(void * Pointer,ACPI_SIZE Length)1543bc36eafdSMike Gerdts AcpiOsWritable (
1544bc36eafdSMike Gerdts void *Pointer,
1545bc36eafdSMike Gerdts ACPI_SIZE Length)
1546bc36eafdSMike Gerdts {
1547bc36eafdSMike Gerdts
1548bc36eafdSMike Gerdts return (TRUE);
1549bc36eafdSMike Gerdts }
1550bc36eafdSMike Gerdts
1551bc36eafdSMike Gerdts
1552bc36eafdSMike Gerdts /******************************************************************************
1553bc36eafdSMike Gerdts *
1554bc36eafdSMike Gerdts * FUNCTION: AcpiOsSignal
1555bc36eafdSMike Gerdts *
1556bc36eafdSMike Gerdts * PARAMETERS: Function - ACPI A signal function code
1557bc36eafdSMike Gerdts * Info - Pointer to function-dependent structure
1558bc36eafdSMike Gerdts *
1559bc36eafdSMike Gerdts * RETURN: Status
1560bc36eafdSMike Gerdts *
1561bc36eafdSMike Gerdts * DESCRIPTION: Miscellaneous functions. Example implementation only.
1562bc36eafdSMike Gerdts *
1563bc36eafdSMike Gerdts *****************************************************************************/
1564bc36eafdSMike Gerdts
1565bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsSignal(UINT32 Function,void * Info)1566bc36eafdSMike Gerdts AcpiOsSignal (
1567bc36eafdSMike Gerdts UINT32 Function,
1568bc36eafdSMike Gerdts void *Info)
1569bc36eafdSMike Gerdts {
1570bc36eafdSMike Gerdts
1571bc36eafdSMike Gerdts switch (Function)
1572bc36eafdSMike Gerdts {
1573bc36eafdSMike Gerdts case ACPI_SIGNAL_FATAL:
1574bc36eafdSMike Gerdts
1575bc36eafdSMike Gerdts break;
1576bc36eafdSMike Gerdts
1577bc36eafdSMike Gerdts case ACPI_SIGNAL_BREAKPOINT:
1578bc36eafdSMike Gerdts
1579bc36eafdSMike Gerdts break;
1580bc36eafdSMike Gerdts
1581bc36eafdSMike Gerdts default:
1582bc36eafdSMike Gerdts
1583bc36eafdSMike Gerdts break;
1584bc36eafdSMike Gerdts }
1585bc36eafdSMike Gerdts
1586bc36eafdSMike Gerdts return (AE_OK);
1587bc36eafdSMike Gerdts }
1588bc36eafdSMike Gerdts
1589bc36eafdSMike Gerdts /* Optional multi-thread support */
1590bc36eafdSMike Gerdts
1591bc36eafdSMike Gerdts #ifndef ACPI_SINGLE_THREADED
1592bc36eafdSMike Gerdts /******************************************************************************
1593bc36eafdSMike Gerdts *
1594bc36eafdSMike Gerdts * FUNCTION: AcpiOsGetThreadId
1595bc36eafdSMike Gerdts *
1596bc36eafdSMike Gerdts * PARAMETERS: None
1597bc36eafdSMike Gerdts *
1598bc36eafdSMike Gerdts * RETURN: Id of the running thread
1599bc36eafdSMike Gerdts *
1600bc36eafdSMike Gerdts * DESCRIPTION: Get the ID of the current (running) thread
1601bc36eafdSMike Gerdts *
1602bc36eafdSMike Gerdts *****************************************************************************/
1603bc36eafdSMike Gerdts
1604bc36eafdSMike Gerdts ACPI_THREAD_ID
AcpiOsGetThreadId(void)1605bc36eafdSMike Gerdts AcpiOsGetThreadId (
1606bc36eafdSMike Gerdts void)
1607bc36eafdSMike Gerdts {
1608bc36eafdSMike Gerdts pthread_t thread;
1609bc36eafdSMike Gerdts
1610bc36eafdSMike Gerdts
1611bc36eafdSMike Gerdts thread = pthread_self();
1612bc36eafdSMike Gerdts return (ACPI_CAST_PTHREAD_T (thread));
1613bc36eafdSMike Gerdts }
1614bc36eafdSMike Gerdts
1615bc36eafdSMike Gerdts
1616bc36eafdSMike Gerdts /******************************************************************************
1617bc36eafdSMike Gerdts *
1618bc36eafdSMike Gerdts * FUNCTION: AcpiOsExecute
1619bc36eafdSMike Gerdts *
1620bc36eafdSMike Gerdts * PARAMETERS: Type - Type of execution
1621bc36eafdSMike Gerdts * Function - Address of the function to execute
1622bc36eafdSMike Gerdts * Context - Passed as a parameter to the function
1623bc36eafdSMike Gerdts *
1624bc36eafdSMike Gerdts * RETURN: Status.
1625bc36eafdSMike Gerdts *
1626bc36eafdSMike Gerdts * DESCRIPTION: Execute a new thread
1627bc36eafdSMike Gerdts *
1628bc36eafdSMike Gerdts *****************************************************************************/
1629bc36eafdSMike Gerdts
1630bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsExecute(ACPI_EXECUTE_TYPE Type,ACPI_OSD_EXEC_CALLBACK Function,void * Context)1631bc36eafdSMike Gerdts AcpiOsExecute (
1632bc36eafdSMike Gerdts ACPI_EXECUTE_TYPE Type,
1633bc36eafdSMike Gerdts ACPI_OSD_EXEC_CALLBACK Function,
1634bc36eafdSMike Gerdts void *Context)
1635bc36eafdSMike Gerdts {
1636bc36eafdSMike Gerdts pthread_t thread;
1637bc36eafdSMike Gerdts int ret;
1638bc36eafdSMike Gerdts
1639bc36eafdSMike Gerdts
1640bc36eafdSMike Gerdts ret = pthread_create (&thread, NULL, (PTHREAD_CALLBACK) Function, Context);
1641bc36eafdSMike Gerdts if (ret)
1642bc36eafdSMike Gerdts {
1643bc36eafdSMike Gerdts AcpiOsPrintf("Create thread failed");
1644bc36eafdSMike Gerdts }
1645bc36eafdSMike Gerdts return (0);
1646bc36eafdSMike Gerdts }
1647bc36eafdSMike Gerdts
1648bc36eafdSMike Gerdts #else /* ACPI_SINGLE_THREADED */
1649bc36eafdSMike Gerdts ACPI_THREAD_ID
AcpiOsGetThreadId(void)1650bc36eafdSMike Gerdts AcpiOsGetThreadId (
1651bc36eafdSMike Gerdts void)
1652bc36eafdSMike Gerdts {
1653bc36eafdSMike Gerdts return (1);
1654bc36eafdSMike Gerdts }
1655bc36eafdSMike Gerdts
1656bc36eafdSMike Gerdts ACPI_STATUS
AcpiOsExecute(ACPI_EXECUTE_TYPE Type,ACPI_OSD_EXEC_CALLBACK Function,void * Context)1657bc36eafdSMike Gerdts AcpiOsExecute (
1658bc36eafdSMike Gerdts ACPI_EXECUTE_TYPE Type,
1659bc36eafdSMike Gerdts ACPI_OSD_EXEC_CALLBACK Function,
1660bc36eafdSMike Gerdts void *Context)
1661bc36eafdSMike Gerdts {
1662bc36eafdSMike Gerdts
1663bc36eafdSMike Gerdts Function (Context);
1664bc36eafdSMike Gerdts
1665bc36eafdSMike Gerdts return (AE_OK);
1666bc36eafdSMike Gerdts }
1667bc36eafdSMike Gerdts
1668bc36eafdSMike Gerdts #endif /* ACPI_SINGLE_THREADED */
1669bc36eafdSMike Gerdts
1670bc36eafdSMike Gerdts
1671bc36eafdSMike Gerdts /******************************************************************************
1672bc36eafdSMike Gerdts *
1673bc36eafdSMike Gerdts * FUNCTION: AcpiOsWaitEventsComplete
1674bc36eafdSMike Gerdts *
1675bc36eafdSMike Gerdts * PARAMETERS: None
1676bc36eafdSMike Gerdts *
1677bc36eafdSMike Gerdts * RETURN: None
1678bc36eafdSMike Gerdts *
1679bc36eafdSMike Gerdts * DESCRIPTION: Wait for all asynchronous events to complete. This
1680bc36eafdSMike Gerdts * implementation does nothing.
1681bc36eafdSMike Gerdts *
1682bc36eafdSMike Gerdts *****************************************************************************/
1683bc36eafdSMike Gerdts
1684bc36eafdSMike Gerdts void
AcpiOsWaitEventsComplete(void)1685bc36eafdSMike Gerdts AcpiOsWaitEventsComplete (
1686bc36eafdSMike Gerdts void)
1687bc36eafdSMike Gerdts {
1688bc36eafdSMike Gerdts return;
1689bc36eafdSMike Gerdts }
1690