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("$FreeBSD$");
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
50ACPI_STATUS
51AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead)
52{
53#ifdef DDB
54	char *cp;
55
56	cp = Buffer;
57	if (db_readline(Buffer, BufferLength) > 0)
58		while (*cp != '\0' && *cp != '\n' && *cp != '\r')
59			cp++;
60	*cp = '\0';
61	if (BytesRead != NULL)
62		*BytesRead = cp - Buffer;
63	return (AE_OK);
64#else
65	printf("AcpiOsGetLine called but no input support");
66	return (AE_NOT_EXIST);
67#endif /* DDB */
68}
69
70ACPI_STATUS
71AcpiOsSignal(UINT32 Function, void *Info)
72{
73    ACPI_SIGNAL_FATAL_INFO	*fatal;
74
75    switch (Function) {
76    case ACPI_SIGNAL_FATAL:
77	fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
78	printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
79	      fatal->Type, fatal->Code, fatal->Argument);
80#ifdef ACPI_DEBUG
81	kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal");
82#endif
83	break;
84
85    case ACPI_SIGNAL_BREAKPOINT:
86#ifdef ACPI_DEBUG
87	kdb_enter(KDB_WHY_ACPI, (char *)Info);
88#endif
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