OsdMisc.c revision 1.3.2.2 1 1.3.2.2 elad /* $NetBSD: OsdMisc.c,v 1.3.2.2 2006/04/19 03:24:24 elad Exp $ */
2 1.3.2.2 elad
3 1.3.2.2 elad /*
4 1.3.2.2 elad * Copyright 2001 Wasabi Systems, Inc.
5 1.3.2.2 elad * All rights reserved.
6 1.3.2.2 elad *
7 1.3.2.2 elad * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.3.2.2 elad *
9 1.3.2.2 elad * Redistribution and use in source and binary forms, with or without
10 1.3.2.2 elad * modification, are permitted provided that the following conditions
11 1.3.2.2 elad * are met:
12 1.3.2.2 elad * 1. Redistributions of source code must retain the above copyright
13 1.3.2.2 elad * notice, this list of conditions and the following disclaimer.
14 1.3.2.2 elad * 2. Redistributions in binary form must reproduce the above copyright
15 1.3.2.2 elad * notice, this list of conditions and the following disclaimer in the
16 1.3.2.2 elad * documentation and/or other materials provided with the distribution.
17 1.3.2.2 elad * 3. All advertising materials mentioning features or use of this software
18 1.3.2.2 elad * must display the following acknowledgement:
19 1.3.2.2 elad * This product includes software developed for the NetBSD Project by
20 1.3.2.2 elad * Wasabi Systems, Inc.
21 1.3.2.2 elad * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.3.2.2 elad * or promote products derived from this software without specific prior
23 1.3.2.2 elad * written permission.
24 1.3.2.2 elad *
25 1.3.2.2 elad * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.3.2.2 elad * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.3.2.2 elad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.3.2.2 elad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.3.2.2 elad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.3.2.2 elad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.3.2.2 elad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.3.2.2 elad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.3.2.2 elad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.3.2.2 elad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.3.2.2 elad * POSSIBILITY OF SUCH DAMAGE.
36 1.3.2.2 elad */
37 1.3.2.2 elad
38 1.3.2.2 elad /*
39 1.3.2.2 elad * OS Services Layer
40 1.3.2.2 elad *
41 1.3.2.2 elad * 6.10: Miscellaneous
42 1.3.2.2 elad */
43 1.3.2.2 elad
44 1.3.2.2 elad #include <sys/cdefs.h>
45 1.3.2.2 elad __KERNEL_RCSID(0, "$NetBSD: OsdMisc.c,v 1.3.2.2 2006/04/19 03:24:24 elad Exp $");
46 1.3.2.2 elad
47 1.3.2.2 elad #include "opt_acpi.h"
48 1.3.2.2 elad #include "opt_ddb.h"
49 1.3.2.2 elad
50 1.3.2.2 elad #include <sys/param.h>
51 1.3.2.2 elad #include <sys/systm.h>
52 1.3.2.2 elad
53 1.3.2.2 elad #include <machine/db_machdep.h>
54 1.3.2.2 elad
55 1.3.2.2 elad #include <ddb/db_extern.h>
56 1.3.2.2 elad #include <ddb/db_output.h>
57 1.3.2.2 elad
58 1.3.2.2 elad #include <dev/acpi/acpica.h>
59 1.3.2.2 elad #include <dev/acpi/acpi_osd.h>
60 1.3.2.2 elad
61 1.3.2.2 elad #include <dist/acpica/acdebug.h>
62 1.3.2.2 elad /*
63 1.3.2.2 elad * for debugging DSDT (try this at your own risk!):
64 1.3.2.2 elad *
65 1.3.2.2 elad * 1. dump your raw DSDT (with acpidump(*1) etc.)
66 1.3.2.2 elad * 2. disassemble with iasl -d (*2)
67 1.3.2.2 elad * 3. modify the ASL file
68 1.3.2.2 elad * 4. compile it with iasl -tc
69 1.3.2.2 elad * 5. copy *.hex to src/sys/dev/acpi/acpica/Osd/dsdt.hex
70 1.3.2.2 elad * -or-
71 1.3.2.2 elad * options ACPI_DSDT_FILE="\"yourdsdt.hex\"" in
72 1.3.2.2 elad * your config file and yourdsdt.hex in the build directory
73 1.3.2.2 elad * 6. options ACPI_DSDT_OVERRIDE in your kernel config file
74 1.3.2.2 elad * and rebuild the kernel
75 1.3.2.2 elad *
76 1.3.2.2 elad * (*1) /usr/pkgsrc/sysutils/acpidump
77 1.3.2.2 elad * (*2) /usr/pkgsrc/sysutils/acpi-iasl
78 1.3.2.2 elad */
79 1.3.2.2 elad
80 1.3.2.2 elad #ifdef ACPI_DSDT_OVERRIDE
81 1.3.2.2 elad #ifndef ACPI_DSDT_FILE
82 1.3.2.2 elad #define ACPI_DSDT_FILE "dsdt.hex"
83 1.3.2.2 elad #endif
84 1.3.2.2 elad #include ACPI_DSDT_FILE
85 1.3.2.2 elad #endif
86 1.3.2.2 elad
87 1.3.2.2 elad int acpi_indebugger;
88 1.3.2.2 elad
89 1.3.2.2 elad /*
90 1.3.2.2 elad * AcpiOsSignal:
91 1.3.2.2 elad *
92 1.3.2.2 elad * Break to the debugger or display a breakpoint message.
93 1.3.2.2 elad */
94 1.3.2.2 elad ACPI_STATUS
95 1.3.2.2 elad AcpiOsSignal(UINT32 Function, const void *Info)
96 1.3.2.2 elad {
97 1.3.2.2 elad /*
98 1.3.2.2 elad * the upper layer might call with Info = NULL,
99 1.3.2.2 elad * which makes little sense.
100 1.3.2.2 elad */
101 1.3.2.2 elad if (Info == NULL)
102 1.3.2.2 elad return AE_NO_MEMORY;
103 1.3.2.2 elad
104 1.3.2.2 elad switch (Function) {
105 1.3.2.2 elad case ACPI_SIGNAL_FATAL:
106 1.3.2.2 elad {
107 1.3.2.2 elad const ACPI_SIGNAL_FATAL_INFO *info = Info;
108 1.3.2.2 elad
109 1.3.2.2 elad panic("ACPI fatal signal: "
110 1.3.2.2 elad "Type 0x%08x, Code 0x%08x, Argument 0x%08x",
111 1.3.2.2 elad info->Type, info->Code, info->Argument);
112 1.3.2.2 elad /* NOTREACHED */
113 1.3.2.2 elad break;
114 1.3.2.2 elad }
115 1.3.2.2 elad
116 1.3.2.2 elad case ACPI_SIGNAL_BREAKPOINT:
117 1.3.2.2 elad {
118 1.3.2.2 elad const char *info = Info;
119 1.3.2.2 elad
120 1.3.2.2 elad printf("%s\n", info);
121 1.3.2.2 elad #if defined(DDB)
122 1.3.2.2 elad Debugger();
123 1.3.2.2 elad #else
124 1.3.2.2 elad printf("ACPI: WARNING: DDB not configured into kernel.\n");
125 1.3.2.2 elad return AE_NOT_EXIST;
126 1.3.2.2 elad #endif
127 1.3.2.2 elad break;
128 1.3.2.2 elad }
129 1.3.2.2 elad
130 1.3.2.2 elad default:
131 1.3.2.2 elad return AE_BAD_PARAMETER;
132 1.3.2.2 elad }
133 1.3.2.2 elad
134 1.3.2.2 elad return AE_OK;
135 1.3.2.2 elad }
136 1.3.2.2 elad
137 1.3.2.2 elad ACPI_STATUS
138 1.3.2.2 elad AcpiOsGetLine(char *Buffer)
139 1.3.2.2 elad {
140 1.3.2.2 elad #if defined(DDB)
141 1.3.2.2 elad char *cp;
142 1.3.2.2 elad
143 1.3.2.2 elad db_readline(Buffer, 80);
144 1.3.2.2 elad for (cp = Buffer; *cp != 0; cp++)
145 1.3.2.2 elad if (*cp == '\n' || *cp == '\r')
146 1.3.2.2 elad *cp = 0;
147 1.3.2.2 elad db_output_line = 0;
148 1.3.2.2 elad return AE_OK;
149 1.3.2.2 elad #else
150 1.3.2.2 elad printf("ACPI: WARNING: DDB not configured into kernel.\n");
151 1.3.2.2 elad return AE_NOT_EXIST;
152 1.3.2.2 elad #endif
153 1.3.2.2 elad }
154 1.3.2.2 elad
155 1.3.2.2 elad ACPI_STATUS
156 1.3.2.2 elad AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
157 1.3.2.2 elad ACPI_TABLE_HEADER **NewTable)
158 1.3.2.2 elad {
159 1.3.2.2 elad #ifndef ACPI_DSDT_OVERRIDE
160 1.3.2.2 elad *NewTable = NULL;
161 1.3.2.2 elad #else
162 1.3.2.2 elad if (strncmp(ExistingTable->Signature, "DSDT", 4) == 0)
163 1.3.2.2 elad *NewTable = (ACPI_TABLE_HEADER *)AmlCode;
164 1.3.2.2 elad else
165 1.3.2.2 elad *NewTable = NULL;
166 1.3.2.2 elad #endif
167 1.3.2.2 elad return AE_OK;
168 1.3.2.2 elad }
169 1.3.2.2 elad
170 1.3.2.2 elad ACPI_STATUS
171 1.3.2.2 elad AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
172 1.3.2.2 elad ACPI_STRING *NewVal)
173 1.3.2.2 elad {
174 1.3.2.2 elad if (!InitVal || !NewVal)
175 1.3.2.2 elad return AE_BAD_PARAMETER;
176 1.3.2.2 elad
177 1.3.2.2 elad *NewVal = NULL;
178 1.3.2.2 elad return AE_OK;
179 1.3.2.2 elad }
180 1.3.2.2 elad
181 1.3.2.2 elad /*
182 1.3.2.2 elad * acpi_osd_debugger:
183 1.3.2.2 elad *
184 1.3.2.2 elad * Enter the ACPICA debugger.
185 1.3.2.2 elad */
186 1.3.2.2 elad void
187 1.3.2.2 elad acpi_osd_debugger(void)
188 1.3.2.2 elad {
189 1.3.2.2 elad #ifdef ACPI_DEBUGGER
190 1.3.2.2 elad static int beenhere;
191 1.3.2.2 elad ACPI_PARSE_OBJECT obj;
192 1.3.2.2 elad label_t acpi_jmpbuf;
193 1.3.2.2 elad label_t *savejmp;
194 1.3.2.2 elad
195 1.3.2.2 elad if (beenhere == 0) {
196 1.3.2.2 elad printf("Initializing ACPICA debugger...\n");
197 1.3.2.2 elad AcpiDbInitialize();
198 1.3.2.2 elad beenhere = 1;
199 1.3.2.2 elad }
200 1.3.2.2 elad
201 1.3.2.2 elad printf("Entering ACPICA debugger...\n");
202 1.3.2.2 elad savejmp = db_recover;
203 1.3.2.2 elad setjmp(&acpi_jmpbuf);
204 1.3.2.2 elad db_recover = &acpi_jmpbuf;
205 1.3.2.2 elad
206 1.3.2.2 elad acpi_indebugger = 1;
207 1.3.2.2 elad AcpiDbUserCommands('A', &obj);
208 1.3.2.2 elad acpi_indebugger = 0;
209 1.3.2.2 elad
210 1.3.2.2 elad db_recover = savejmp;
211 1.3.2.2 elad #else
212 1.3.2.2 elad printf("ACPI: WARNING: ACPICA debugger not present.\n");
213 1.3.2.2 elad #endif
214 1.3.2.2 elad }
215