OsdDebug.c revision 131910 
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: head/sys/dev/acpica/Osd/OsdDebug.c 131910 2004-07-10 20:56:43Z marcel $
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
47UINT32
48AcpiOsGetLine(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
64void
65AcpiOsDbgAssert(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
72ACPI_STATUS
73AcpiOsSignal(UINT32 Function, void *Info)
74{
75    ACPI_SIGNAL_FATAL_INFO	*fatal;
76    char			*message;
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	message = (char *)Info;
88	kdb_enter(message);
89	break;
90
91    default:
92	return (AE_BAD_PARAMETER);
93    }
94
95    return (AE_OK);
96}
97
98#ifdef ACPI_DEBUGGER
99void
100acpi_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 */
115