OsdDebug.c revision 193530 
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 193530 2009-06-05 18:44:36Z 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/include/acpi.h>
45#include <contrib/dev/acpica/include/accommon.h>
46#include <contrib/dev/acpica/include/acdebug.h>
47
48#include <dev/acpica/acpivar.h>
49
50UINT32
51AcpiOsGetLine(char *Buffer)
52{
53#ifdef DDB
54    char	*cp;
55
56    db_readline(Buffer, 80);
57    for (cp = Buffer; *cp != 0; cp++)
58	if (*cp == '\n')
59	    *cp = 0;
60    return (AE_OK);
61#else
62    printf("AcpiOsGetLine called but no input support");
63    return (AE_NOT_EXIST);
64#endif /* DDB */
65}
66
67ACPI_STATUS
68AcpiOsSignal(UINT32 Function, void *Info)
69{
70    ACPI_SIGNAL_FATAL_INFO	*fatal;
71
72    switch (Function) {
73    case ACPI_SIGNAL_FATAL:
74	fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
75	printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
76	      fatal->Type, fatal->Code, fatal->Argument);
77#ifdef ACPI_DEBUG
78	kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal");
79#endif
80	break;
81
82    case ACPI_SIGNAL_BREAKPOINT:
83#ifdef ACPI_DEBUG
84	kdb_enter(KDB_WHY_ACPI, (char *)Info);
85#endif
86	break;
87
88    default:
89	return (AE_BAD_PARAMETER);
90    }
91
92    return (AE_OK);
93}
94
95#ifdef ACPI_DEBUGGER
96void
97acpi_EnterDebugger(void)
98{
99    ACPI_PARSE_OBJECT	obj;
100    static int		initted = 0;
101
102    if (!initted) {
103	printf("Initialising ACPICA debugger...\n");
104	AcpiDbInitialize();
105	initted = 1;
106    }
107
108    printf("Entering ACPICA debugger...\n");
109    AcpiDbUserCommands('A', &obj);
110}
111#endif /* ACPI_DEBUGGER */
112