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
28 /*
29 * 6.8 : Debugging support
30 */
31
32 #include <sys/cdefs.h>
33 #include "opt_ddb.h"
34 #include <sys/param.h>
35 #include <sys/kdb.h>
36 #include <sys/kernel.h>
37 #include <sys/bus.h>
38 #include <machine/bus.h>
39 #include <ddb/ddb.h>
40 #include <ddb/db_output.h>
41
42 #include <contrib/dev/acpica/include/acpi.h>
43 #include <contrib/dev/acpica/include/accommon.h>
44 #include <contrib/dev/acpica/include/acdebug.h>
45
46 #include <dev/acpica/acpivar.h>
47
48 ACPI_STATUS
AcpiOsGetLine(char * Buffer,UINT32 BufferLength,UINT32 * BytesRead)49 AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead)
50 {
51 #ifdef DDB
52 char *cp;
53
54 cp = Buffer;
55 if (db_readline(Buffer, BufferLength) > 0)
56 while (*cp != '\0' && *cp != '\n' && *cp != '\r')
57 cp++;
58 *cp = '\0';
59 if (BytesRead != NULL)
60 *BytesRead = cp - Buffer;
61 return (AE_OK);
62 #else
63 printf("AcpiOsGetLine called but no input support");
64 return (AE_NOT_EXIST);
65 #endif /* DDB */
66 }
67
68 ACPI_STATUS
AcpiOsSignal(UINT32 Function,void * Info)69 AcpiOsSignal(UINT32 Function, void *Info)
70 {
71 ACPI_SIGNAL_FATAL_INFO *fatal;
72
73 switch (Function) {
74 case ACPI_SIGNAL_FATAL:
75 fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
76 printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
77 fatal->Type, fatal->Code, fatal->Argument);
78 #ifdef ACPI_DEBUG
79 kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal");
80 #endif
81 break;
82
83 case ACPI_SIGNAL_BREAKPOINT:
84 #ifdef ACPI_DEBUG
85 kdb_enter(KDB_WHY_ACPI, (char *)Info);
86 #endif
87 break;
88
89 default:
90 return (AE_BAD_PARAMETER);
91 }
92
93 return (AE_OK);
94 }
95
96 #ifdef ACPI_DEBUGGER
97 void
acpi_EnterDebugger(void)98 acpi_EnterDebugger(void)
99 {
100 static int initted = 0;
101
102 if (!initted) {
103 printf("Initialising ACPICA debugger...\n");
104 AcpiInitializeDebugger();
105 initted = 1;
106 }
107
108 printf("Entering ACPICA debugger...\n");
109 AcpiDbUserCommands();
110 }
111 #endif /* ACPI_DEBUGGER */
112