OsdDebug.c revision 167814 
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__FBSDID("$FreeBSD: head/sys/dev/acpica/Osd/OsdDebug.c 167814 2007-03-22 18:16:43Z jkim $");
34
35#include "opt_ddb.h"
36#include <sys/param.h>
37#include <sys/kdb.h>
38#include <sys/kernel.h>
39#include <sys/bus.h>
40#include <machine/bus.h>
41#include <ddb/ddb.h>
42#include <ddb/db_output.h>
43
44#include <contrib/dev/acpica/acpi.h>
45#include <contrib/dev/acpica/acdebug.h>
46#include <dev/acpica/acpivar.h>
47
48UINT32
49AcpiOsGetLine(char *Buffer)
50{
51#ifdef DDB
52    char	*cp;
53
54    db_readline(Buffer, 80);
55    for (cp = Buffer; *cp != 0; cp++)
56	if (*cp == '\n')
57	    *cp = 0;
58    return (AE_OK);
59#else
60    printf("AcpiOsGetLine called but no input support");
61    return (AE_NOT_EXIST);
62#endif /* DDB */
63}
64
65ACPI_STATUS
66AcpiOsSignal(UINT32 Function, void *Info)
67{
68    ACPI_SIGNAL_FATAL_INFO	*fatal;
69
70    switch (Function) {
71    case ACPI_SIGNAL_FATAL:
72	fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
73	printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
74	      fatal->Type, fatal->Code, fatal->Argument);
75#ifdef ACPI_DEBUG
76	kdb_enter("AcpiOsSignal");
77#endif
78	break;
79
80    case ACPI_SIGNAL_BREAKPOINT:
81#ifdef ACPI_DEBUG
82	kdb_enter((char *)Info);
83#endif
84	break;
85
86    default:
87	return (AE_BAD_PARAMETER);
88    }
89
90    return (AE_OK);
91}
92
93#ifdef ACPI_DEBUGGER
94void
95acpi_EnterDebugger(void)
96{
97    ACPI_PARSE_OBJECT	obj;
98    static int		initted = 0;
99
100    if (!initted) {
101	printf("Initialising ACPICA debugger...\n");
102	AcpiDbInitialize();
103	initted = 1;
104    }
105
106    printf("Entering ACPICA debugger...\n");
107    AcpiDbUserCommands('A', &obj);
108}
109#endif /* ACPI_DEBUGGER */
110