OsdMisc.c revision 1.2.4.2 1 1.2.4.2 yamt /* $NetBSD: OsdMisc.c,v 1.2.4.2 2006/04/11 12:20:52 yamt Exp $ */
2 1.2.4.2 yamt
3 1.2.4.2 yamt /*
4 1.2.4.2 yamt * Copyright 2001 Wasabi Systems, Inc.
5 1.2.4.2 yamt * All rights reserved.
6 1.2.4.2 yamt *
7 1.2.4.2 yamt * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.2.4.2 yamt *
9 1.2.4.2 yamt * Redistribution and use in source and binary forms, with or without
10 1.2.4.2 yamt * modification, are permitted provided that the following conditions
11 1.2.4.2 yamt * are met:
12 1.2.4.2 yamt * 1. Redistributions of source code must retain the above copyright
13 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer.
14 1.2.4.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
15 1.2.4.2 yamt * notice, this list of conditions and the following disclaimer in the
16 1.2.4.2 yamt * documentation and/or other materials provided with the distribution.
17 1.2.4.2 yamt * 3. All advertising materials mentioning features or use of this software
18 1.2.4.2 yamt * must display the following acknowledgement:
19 1.2.4.2 yamt * This product includes software developed for the NetBSD Project by
20 1.2.4.2 yamt * Wasabi Systems, Inc.
21 1.2.4.2 yamt * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.2.4.2 yamt * or promote products derived from this software without specific prior
23 1.2.4.2 yamt * written permission.
24 1.2.4.2 yamt *
25 1.2.4.2 yamt * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.2.4.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.2.4.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.2.4.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.2.4.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.2.4.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.2.4.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.2.4.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.2.4.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.2.4.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.2.4.2 yamt * POSSIBILITY OF SUCH DAMAGE.
36 1.2.4.2 yamt */
37 1.2.4.2 yamt
38 1.2.4.2 yamt /*
39 1.2.4.2 yamt * OS Services Layer
40 1.2.4.2 yamt *
41 1.2.4.2 yamt * 6.10: Miscellaneous
42 1.2.4.2 yamt */
43 1.2.4.2 yamt
44 1.2.4.2 yamt #include <sys/cdefs.h>
45 1.2.4.2 yamt __KERNEL_RCSID(0, "$NetBSD: OsdMisc.c,v 1.2.4.2 2006/04/11 12:20:52 yamt Exp $");
46 1.2.4.2 yamt
47 1.2.4.2 yamt #include "opt_acpi.h"
48 1.2.4.2 yamt #include "opt_ddb.h"
49 1.2.4.2 yamt
50 1.2.4.2 yamt #include <sys/param.h>
51 1.2.4.2 yamt #include <sys/systm.h>
52 1.2.4.2 yamt
53 1.2.4.2 yamt #include <machine/db_machdep.h>
54 1.2.4.2 yamt
55 1.2.4.2 yamt #include <ddb/db_extern.h>
56 1.2.4.2 yamt #include <ddb/db_output.h>
57 1.2.4.2 yamt
58 1.2.4.2 yamt #include <dev/acpi/acpica.h>
59 1.2.4.2 yamt #include <dev/acpi/acpi_osd.h>
60 1.2.4.2 yamt
61 1.2.4.2 yamt #include <dist/acpica/acdebug.h>
62 1.2.4.2 yamt /*
63 1.2.4.2 yamt * for debugging DSDT (try this at your own risk!):
64 1.2.4.2 yamt *
65 1.2.4.2 yamt * 1. dump your raw DSDT (with acpidump(*1) etc.)
66 1.2.4.2 yamt * 2. disassemble with iasl -d (*2)
67 1.2.4.2 yamt * 3. modify the ASL file
68 1.2.4.2 yamt * 4. compile it with iasl -tc
69 1.2.4.2 yamt * 5. copy *.hex to src/sys/dev/acpi/acpica/Osd/dsdt.hex
70 1.2.4.2 yamt * -or-
71 1.2.4.2 yamt * options ACPI_DSDT_FILE="\"yourdsdt.hex\"" in
72 1.2.4.2 yamt * your config file and yourdsdt.hex in the build directory
73 1.2.4.2 yamt * 6. options ACPI_DSDT_OVERRIDE in your kernel config file
74 1.2.4.2 yamt * and rebuild the kernel
75 1.2.4.2 yamt *
76 1.2.4.2 yamt * (*1) /usr/pkgsrc/sysutils/acpidump
77 1.2.4.2 yamt * (*2) /usr/pkgsrc/sysutils/acpi-iasl
78 1.2.4.2 yamt */
79 1.2.4.2 yamt
80 1.2.4.2 yamt #ifdef ACPI_DSDT_OVERRIDE
81 1.2.4.2 yamt #ifndef ACPI_DSDT_FILE
82 1.2.4.2 yamt #define ACPI_DSDT_FILE "dsdt.hex"
83 1.2.4.2 yamt #endif
84 1.2.4.2 yamt #include ACPI_DSDT_FILE
85 1.2.4.2 yamt #endif
86 1.2.4.2 yamt
87 1.2.4.2 yamt int acpi_indebugger;
88 1.2.4.2 yamt
89 1.2.4.2 yamt /*
90 1.2.4.2 yamt * AcpiOsSignal:
91 1.2.4.2 yamt *
92 1.2.4.2 yamt * Break to the debugger or display a breakpoint message.
93 1.2.4.2 yamt */
94 1.2.4.2 yamt ACPI_STATUS
95 1.2.4.2 yamt AcpiOsSignal(UINT32 Function, const void *Info)
96 1.2.4.2 yamt {
97 1.2.4.2 yamt
98 1.2.4.2 yamt switch (Function) {
99 1.2.4.2 yamt case ACPI_SIGNAL_FATAL:
100 1.2.4.2 yamt {
101 1.2.4.2 yamt const ACPI_SIGNAL_FATAL_INFO *info = Info;
102 1.2.4.2 yamt
103 1.2.4.2 yamt panic("ACPI fatal signal: "
104 1.2.4.2 yamt "Type 0x%08x, Code 0x%08x, Argument 0x%08x",
105 1.2.4.2 yamt info->Type, info->Code, info->Argument);
106 1.2.4.2 yamt /* NOTREACHED */
107 1.2.4.2 yamt break;
108 1.2.4.2 yamt }
109 1.2.4.2 yamt
110 1.2.4.2 yamt case ACPI_SIGNAL_BREAKPOINT:
111 1.2.4.2 yamt {
112 1.2.4.2 yamt const char *info = Info;
113 1.2.4.2 yamt
114 1.2.4.2 yamt printf("%s\n", info);
115 1.2.4.2 yamt #if defined(DDB)
116 1.2.4.2 yamt Debugger();
117 1.2.4.2 yamt #else
118 1.2.4.2 yamt printf("ACPI: WARNING: DDB not configured into kernel.\n");
119 1.2.4.2 yamt return AE_NOT_EXIST;
120 1.2.4.2 yamt #endif
121 1.2.4.2 yamt break;
122 1.2.4.2 yamt }
123 1.2.4.2 yamt
124 1.2.4.2 yamt default:
125 1.2.4.2 yamt return AE_BAD_PARAMETER;
126 1.2.4.2 yamt }
127 1.2.4.2 yamt
128 1.2.4.2 yamt return AE_OK;
129 1.2.4.2 yamt }
130 1.2.4.2 yamt
131 1.2.4.2 yamt ACPI_STATUS
132 1.2.4.2 yamt AcpiOsGetLine(char *Buffer)
133 1.2.4.2 yamt {
134 1.2.4.2 yamt #if defined(DDB)
135 1.2.4.2 yamt char *cp;
136 1.2.4.2 yamt
137 1.2.4.2 yamt db_readline(Buffer, 80);
138 1.2.4.2 yamt for (cp = Buffer; *cp != 0; cp++)
139 1.2.4.2 yamt if (*cp == '\n' || *cp == '\r')
140 1.2.4.2 yamt *cp = 0;
141 1.2.4.2 yamt db_output_line = 0;
142 1.2.4.2 yamt return AE_OK;
143 1.2.4.2 yamt #else
144 1.2.4.2 yamt printf("ACPI: WARNING: DDB not configured into kernel.\n");
145 1.2.4.2 yamt return AE_NOT_EXIST;
146 1.2.4.2 yamt #endif
147 1.2.4.2 yamt }
148 1.2.4.2 yamt
149 1.2.4.2 yamt ACPI_STATUS
150 1.2.4.2 yamt AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
151 1.2.4.2 yamt ACPI_TABLE_HEADER **NewTable)
152 1.2.4.2 yamt {
153 1.2.4.2 yamt #ifndef ACPI_DSDT_OVERRIDE
154 1.2.4.2 yamt *NewTable = NULL;
155 1.2.4.2 yamt #else
156 1.2.4.2 yamt if (strncmp(ExistingTable->Signature, "DSDT", 4) == 0)
157 1.2.4.2 yamt *NewTable = (ACPI_TABLE_HEADER *)AmlCode;
158 1.2.4.2 yamt else
159 1.2.4.2 yamt *NewTable = NULL;
160 1.2.4.2 yamt #endif
161 1.2.4.2 yamt return AE_OK;
162 1.2.4.2 yamt }
163 1.2.4.2 yamt
164 1.2.4.2 yamt ACPI_STATUS
165 1.2.4.2 yamt AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
166 1.2.4.2 yamt ACPI_STRING *NewVal)
167 1.2.4.2 yamt {
168 1.2.4.2 yamt if (!InitVal || !NewVal)
169 1.2.4.2 yamt return AE_BAD_PARAMETER;
170 1.2.4.2 yamt
171 1.2.4.2 yamt *NewVal = NULL;
172 1.2.4.2 yamt return AE_OK;
173 1.2.4.2 yamt }
174 1.2.4.2 yamt
175 1.2.4.2 yamt /*
176 1.2.4.2 yamt * acpi_osd_debugger:
177 1.2.4.2 yamt *
178 1.2.4.2 yamt * Enter the ACPICA debugger.
179 1.2.4.2 yamt */
180 1.2.4.2 yamt void
181 1.2.4.2 yamt acpi_osd_debugger(void)
182 1.2.4.2 yamt {
183 1.2.4.2 yamt #ifdef ACPI_DEBUGGER
184 1.2.4.2 yamt static int beenhere;
185 1.2.4.2 yamt ACPI_PARSE_OBJECT obj;
186 1.2.4.2 yamt label_t acpi_jmpbuf;
187 1.2.4.2 yamt label_t *savejmp;
188 1.2.4.2 yamt
189 1.2.4.2 yamt if (beenhere == 0) {
190 1.2.4.2 yamt printf("Initializing ACPICA debugger...\n");
191 1.2.4.2 yamt AcpiDbInitialize();
192 1.2.4.2 yamt beenhere = 1;
193 1.2.4.2 yamt }
194 1.2.4.2 yamt
195 1.2.4.2 yamt printf("Entering ACPICA debugger...\n");
196 1.2.4.2 yamt savejmp = db_recover;
197 1.2.4.2 yamt setjmp(&acpi_jmpbuf);
198 1.2.4.2 yamt db_recover = &acpi_jmpbuf;
199 1.2.4.2 yamt
200 1.2.4.2 yamt acpi_indebugger = 1;
201 1.2.4.2 yamt AcpiDbUserCommands('A', &obj);
202 1.2.4.2 yamt acpi_indebugger = 0;
203 1.2.4.2 yamt
204 1.2.4.2 yamt db_recover = savejmp;
205 1.2.4.2 yamt #else
206 1.2.4.2 yamt printf("ACPI: WARNING: ACPICA debugger not present.\n");
207 1.2.4.2 yamt #endif
208 1.2.4.2 yamt }
209