1 /*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: releng/5.4/sys/dev/acpica/Osd/OsdDebug.c 135054 2004-09-10 22:14:08Z njl $
28 */
29
30 /*
31 * 6.8 : Debugging support
32 */
33
34 #include "opt_ddb.h"
35 #include <sys/param.h>
36 #include <sys/kdb.h>
37 #include <sys/kernel.h>
38 #include <sys/bus.h>
39 #include <machine/bus.h>
40 #include <ddb/ddb.h>
41 #include <ddb/db_output.h>
42
43 #include "acpi.h"
44 #include "acdebug.h"
45 #include <dev/acpica/acpivar.h>
46
47 UINT32
48 AcpiOsGetLine(char *Buffer)
49 {
50 #ifdef DDB
51 char *cp;
52
53 db_readline(Buffer, 80);
54 for (cp = Buffer; *cp != 0; cp++)
55 if (*cp == '\n')
56 *cp = 0;
57 return (AE_OK);
58 #else
59 printf("AcpiOsGetLine called but no input support");
60 return (AE_NOT_EXIST);
61 #endif /* DDB */
62 }
63
64 void
65 AcpiOsDbgAssert(void *FailedAssertion, void *FileName, UINT32 LineNumber,
66 char *Message)
67 {
68 printf("ACPI: %s:%d - %s\n", (char *)FileName, LineNumber, Message);
69 printf("ACPI: assertion %s\n", (char *)FailedAssertion);
70 }
71
72 ACPI_STATUS
73 AcpiOsSignal(UINT32 Function, void *Info)
74 {
75 ACPI_SIGNAL_FATAL_INFO *fatal;
76
77 switch (Function) {
78 case ACPI_SIGNAL_FATAL:
79 fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
80 printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
81 fatal->Type, fatal->Code, fatal->Argument);
82 kdb_enter("AcpiOsSignal");
83 break;
84
85 case ACPI_SIGNAL_BREAKPOINT:
86 #ifdef ACPI_DEBUG
87 kdb_enter((char *)Info);
88 #endif
89 break;
90
91 default:
92 return (AE_BAD_PARAMETER);
93 }
94
95 return (AE_OK);
96 }
97
98 #ifdef ACPI_DEBUGGER
99 void
100 acpi_EnterDebugger(void)
101 {
102 ACPI_PARSE_OBJECT obj;
103 static int initted = 0;
104
105 if (!initted) {
106 printf("Initialising ACPICA debugger...\n");
107 AcpiDbInitialize();
108 initted = 1;
109 }
110
111 printf("Entering ACPICA debugger...\n");
112 AcpiDbUserCommands('A', &obj);
113 }
114 #endif /* ACPI_DEBUGGER */
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