OsdDebug.c revision 148318 
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 148318 2005-07-22 23:10:02Z njl $");
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 "acpi.h"
45#include "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
65void
66AcpiOsDbgAssert(void *FailedAssertion, void *FileName, UINT32 LineNumber,
67    char *Message)
68{
69    printf("ACPI: %s:%d - %s\n", (char *)FileName, LineNumber, Message);
70    printf("ACPI: assertion  %s\n", (char *)FailedAssertion);
71}
72
73ACPI_STATUS
74AcpiOsSignal(UINT32 Function, void *Info)
75{
76    ACPI_SIGNAL_FATAL_INFO	*fatal;
77
78    switch (Function) {
79    case ACPI_SIGNAL_FATAL:
80	fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
81	printf("ACPI fatal signal, type 0x%x  code 0x%x  argument 0x%x",
82	      fatal->Type, fatal->Code, fatal->Argument);
83	kdb_enter("AcpiOsSignal");
84	break;
85
86    case ACPI_SIGNAL_BREAKPOINT:
87#ifdef ACPI_DEBUG
88	kdb_enter((char *)Info);
89#endif
90	break;
91
92    default:
93	return (AE_BAD_PARAMETER);
94    }
95
96    return (AE_OK);
97}
98
99#ifdef ACPI_DEBUGGER
100void
101acpi_EnterDebugger(void)
102{
103    ACPI_PARSE_OBJECT	obj;
104    static int		initted = 0;
105
106    if (!initted) {
107	printf("Initialising ACPICA debugger...\n");
108	AcpiDbInitialize();
109	initted = 1;
110    }
111
112    printf("Entering ACPICA debugger...\n");
113    AcpiDbUserCommands('A', &obj);
114}
115#endif /* ACPI_DEBUGGER */
116