OsdMisc.c revision 1.2.2.3 1 1.2.2.3 tron /* $NetBSD: OsdMisc.c,v 1.2.2.3 2006/05/24 15:50:07 tron Exp $ */
2 1.2.2.2 tron
3 1.2.2.2 tron /*
4 1.2.2.2 tron * Copyright 2001 Wasabi Systems, Inc.
5 1.2.2.2 tron * All rights reserved.
6 1.2.2.2 tron *
7 1.2.2.2 tron * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 1.2.2.2 tron *
9 1.2.2.2 tron * Redistribution and use in source and binary forms, with or without
10 1.2.2.2 tron * modification, are permitted provided that the following conditions
11 1.2.2.2 tron * are met:
12 1.2.2.2 tron * 1. Redistributions of source code must retain the above copyright
13 1.2.2.2 tron * notice, this list of conditions and the following disclaimer.
14 1.2.2.2 tron * 2. Redistributions in binary form must reproduce the above copyright
15 1.2.2.2 tron * notice, this list of conditions and the following disclaimer in the
16 1.2.2.2 tron * documentation and/or other materials provided with the distribution.
17 1.2.2.2 tron * 3. All advertising materials mentioning features or use of this software
18 1.2.2.2 tron * must display the following acknowledgement:
19 1.2.2.2 tron * This product includes software developed for the NetBSD Project by
20 1.2.2.2 tron * Wasabi Systems, Inc.
21 1.2.2.2 tron * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.2.2.2 tron * or promote products derived from this software without specific prior
23 1.2.2.2 tron * written permission.
24 1.2.2.2 tron *
25 1.2.2.2 tron * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.2.2.2 tron * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.2.2.2 tron * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.2.2.2 tron * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.2.2.2 tron * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.2.2.2 tron * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.2.2.2 tron * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.2.2.2 tron * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.2.2.2 tron * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.2.2.2 tron * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.2.2.2 tron * POSSIBILITY OF SUCH DAMAGE.
36 1.2.2.2 tron */
37 1.2.2.2 tron
38 1.2.2.2 tron /*
39 1.2.2.2 tron * OS Services Layer
40 1.2.2.2 tron *
41 1.2.2.2 tron * 6.10: Miscellaneous
42 1.2.2.2 tron */
43 1.2.2.2 tron
44 1.2.2.2 tron #include <sys/cdefs.h>
45 1.2.2.3 tron __KERNEL_RCSID(0, "$NetBSD: OsdMisc.c,v 1.2.2.3 2006/05/24 15:50:07 tron Exp $");
46 1.2.2.2 tron
47 1.2.2.2 tron #include "opt_acpi.h"
48 1.2.2.2 tron #include "opt_ddb.h"
49 1.2.2.2 tron
50 1.2.2.2 tron #include <sys/param.h>
51 1.2.2.2 tron #include <sys/systm.h>
52 1.2.2.2 tron
53 1.2.2.2 tron #include <machine/db_machdep.h>
54 1.2.2.2 tron
55 1.2.2.2 tron #include <ddb/db_extern.h>
56 1.2.2.2 tron #include <ddb/db_output.h>
57 1.2.2.2 tron
58 1.2.2.2 tron #include <dev/acpi/acpica.h>
59 1.2.2.2 tron #include <dev/acpi/acpi_osd.h>
60 1.2.2.2 tron
61 1.2.2.2 tron #include <dist/acpica/acdebug.h>
62 1.2.2.2 tron /*
63 1.2.2.2 tron * for debugging DSDT (try this at your own risk!):
64 1.2.2.2 tron *
65 1.2.2.2 tron * 1. dump your raw DSDT (with acpidump(*1) etc.)
66 1.2.2.2 tron * 2. disassemble with iasl -d (*2)
67 1.2.2.2 tron * 3. modify the ASL file
68 1.2.2.2 tron * 4. compile it with iasl -tc
69 1.2.2.2 tron * 5. copy *.hex to src/sys/dev/acpi/acpica/Osd/dsdt.hex
70 1.2.2.2 tron * -or-
71 1.2.2.2 tron * options ACPI_DSDT_FILE="\"yourdsdt.hex\"" in
72 1.2.2.2 tron * your config file and yourdsdt.hex in the build directory
73 1.2.2.2 tron * 6. options ACPI_DSDT_OVERRIDE in your kernel config file
74 1.2.2.2 tron * and rebuild the kernel
75 1.2.2.2 tron *
76 1.2.2.2 tron * (*1) /usr/pkgsrc/sysutils/acpidump
77 1.2.2.2 tron * (*2) /usr/pkgsrc/sysutils/acpi-iasl
78 1.2.2.2 tron */
79 1.2.2.2 tron
80 1.2.2.2 tron #ifdef ACPI_DSDT_OVERRIDE
81 1.2.2.2 tron #ifndef ACPI_DSDT_FILE
82 1.2.2.2 tron #define ACPI_DSDT_FILE "dsdt.hex"
83 1.2.2.2 tron #endif
84 1.2.2.2 tron #include ACPI_DSDT_FILE
85 1.2.2.2 tron #endif
86 1.2.2.2 tron
87 1.2.2.2 tron int acpi_indebugger;
88 1.2.2.2 tron
89 1.2.2.2 tron /*
90 1.2.2.2 tron * AcpiOsSignal:
91 1.2.2.2 tron *
92 1.2.2.2 tron * Break to the debugger or display a breakpoint message.
93 1.2.2.2 tron */
94 1.2.2.2 tron ACPI_STATUS
95 1.2.2.2 tron AcpiOsSignal(UINT32 Function, const void *Info)
96 1.2.2.2 tron {
97 1.2.2.3 tron /*
98 1.2.2.3 tron * the upper layer might call with Info = NULL,
99 1.2.2.3 tron * which makes little sense.
100 1.2.2.3 tron */
101 1.2.2.3 tron if (Info == NULL)
102 1.2.2.3 tron return AE_NO_MEMORY;
103 1.2.2.2 tron
104 1.2.2.2 tron switch (Function) {
105 1.2.2.2 tron case ACPI_SIGNAL_FATAL:
106 1.2.2.2 tron {
107 1.2.2.2 tron const ACPI_SIGNAL_FATAL_INFO *info = Info;
108 1.2.2.2 tron
109 1.2.2.2 tron panic("ACPI fatal signal: "
110 1.2.2.2 tron "Type 0x%08x, Code 0x%08x, Argument 0x%08x",
111 1.2.2.2 tron info->Type, info->Code, info->Argument);
112 1.2.2.2 tron /* NOTREACHED */
113 1.2.2.2 tron break;
114 1.2.2.2 tron }
115 1.2.2.2 tron
116 1.2.2.2 tron case ACPI_SIGNAL_BREAKPOINT:
117 1.2.2.2 tron {
118 1.2.2.2 tron const char *info = Info;
119 1.2.2.2 tron
120 1.2.2.2 tron printf("%s\n", info);
121 1.2.2.2 tron #if defined(DDB)
122 1.2.2.2 tron Debugger();
123 1.2.2.2 tron #else
124 1.2.2.2 tron printf("ACPI: WARNING: DDB not configured into kernel.\n");
125 1.2.2.2 tron return AE_NOT_EXIST;
126 1.2.2.2 tron #endif
127 1.2.2.2 tron break;
128 1.2.2.2 tron }
129 1.2.2.2 tron
130 1.2.2.2 tron default:
131 1.2.2.2 tron return AE_BAD_PARAMETER;
132 1.2.2.2 tron }
133 1.2.2.2 tron
134 1.2.2.2 tron return AE_OK;
135 1.2.2.2 tron }
136 1.2.2.2 tron
137 1.2.2.2 tron ACPI_STATUS
138 1.2.2.2 tron AcpiOsGetLine(char *Buffer)
139 1.2.2.2 tron {
140 1.2.2.2 tron #if defined(DDB)
141 1.2.2.2 tron char *cp;
142 1.2.2.2 tron
143 1.2.2.2 tron db_readline(Buffer, 80);
144 1.2.2.2 tron for (cp = Buffer; *cp != 0; cp++)
145 1.2.2.2 tron if (*cp == '\n' || *cp == '\r')
146 1.2.2.2 tron *cp = 0;
147 1.2.2.2 tron db_output_line = 0;
148 1.2.2.2 tron return AE_OK;
149 1.2.2.2 tron #else
150 1.2.2.2 tron printf("ACPI: WARNING: DDB not configured into kernel.\n");
151 1.2.2.2 tron return AE_NOT_EXIST;
152 1.2.2.2 tron #endif
153 1.2.2.2 tron }
154 1.2.2.2 tron
155 1.2.2.2 tron ACPI_STATUS
156 1.2.2.2 tron AcpiOsTableOverride(ACPI_TABLE_HEADER *ExistingTable,
157 1.2.2.2 tron ACPI_TABLE_HEADER **NewTable)
158 1.2.2.2 tron {
159 1.2.2.2 tron #ifndef ACPI_DSDT_OVERRIDE
160 1.2.2.2 tron *NewTable = NULL;
161 1.2.2.2 tron #else
162 1.2.2.2 tron if (strncmp(ExistingTable->Signature, "DSDT", 4) == 0)
163 1.2.2.2 tron *NewTable = (ACPI_TABLE_HEADER *)AmlCode;
164 1.2.2.2 tron else
165 1.2.2.2 tron *NewTable = NULL;
166 1.2.2.2 tron #endif
167 1.2.2.2 tron return AE_OK;
168 1.2.2.2 tron }
169 1.2.2.2 tron
170 1.2.2.2 tron ACPI_STATUS
171 1.2.2.2 tron AcpiOsPredefinedOverride(const ACPI_PREDEFINED_NAMES *InitVal,
172 1.2.2.2 tron ACPI_STRING *NewVal)
173 1.2.2.2 tron {
174 1.2.2.2 tron if (!InitVal || !NewVal)
175 1.2.2.2 tron return AE_BAD_PARAMETER;
176 1.2.2.2 tron
177 1.2.2.2 tron *NewVal = NULL;
178 1.2.2.2 tron return AE_OK;
179 1.2.2.2 tron }
180 1.2.2.2 tron
181 1.2.2.2 tron /*
182 1.2.2.2 tron * acpi_osd_debugger:
183 1.2.2.2 tron *
184 1.2.2.2 tron * Enter the ACPICA debugger.
185 1.2.2.2 tron */
186 1.2.2.2 tron void
187 1.2.2.2 tron acpi_osd_debugger(void)
188 1.2.2.2 tron {
189 1.2.2.2 tron #ifdef ACPI_DEBUGGER
190 1.2.2.2 tron static int beenhere;
191 1.2.2.2 tron ACPI_PARSE_OBJECT obj;
192 1.2.2.2 tron label_t acpi_jmpbuf;
193 1.2.2.2 tron label_t *savejmp;
194 1.2.2.2 tron
195 1.2.2.2 tron if (beenhere == 0) {
196 1.2.2.2 tron printf("Initializing ACPICA debugger...\n");
197 1.2.2.2 tron AcpiDbInitialize();
198 1.2.2.2 tron beenhere = 1;
199 1.2.2.2 tron }
200 1.2.2.2 tron
201 1.2.2.2 tron printf("Entering ACPICA debugger...\n");
202 1.2.2.2 tron savejmp = db_recover;
203 1.2.2.2 tron setjmp(&acpi_jmpbuf);
204 1.2.2.2 tron db_recover = &acpi_jmpbuf;
205 1.2.2.2 tron
206 1.2.2.2 tron acpi_indebugger = 1;
207 1.2.2.2 tron AcpiDbUserCommands('A', &obj);
208 1.2.2.2 tron acpi_indebugger = 0;
209 1.2.2.2 tron
210 1.2.2.2 tron db_recover = savejmp;
211 1.2.2.2 tron #else
212 1.2.2.2 tron printf("ACPI: WARNING: ACPICA debugger not present.\n");
213 1.2.2.2 tron #endif
214 1.2.2.2 tron }
215