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#include "opt_ddb.h"
34#include <sys/param.h>
35#include <sys/kdb.h>
36#include <sys/kernel.h>
37#include <sys/bus.h>
38#include <machine/bus.h>
39#include <ddb/ddb.h>
40#include <ddb/db_output.h>
41
42#include <contrib/dev/acpica/include/acpi.h>
43#include <contrib/dev/acpica/include/accommon.h>
44#include <contrib/dev/acpica/include/acdebug.h>
45
46#include <dev/acpica/acpivar.h>
47
48ACPI_STATUS
49AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead)
50{
51#ifdef DDB
52	char *cp;
53
54	cp = Buffer;
55	if (db_readline(Buffer, BufferLength) > 0)
56		while (*cp != '\0' && *cp != '\n' && *cp != '\r')
57			cp++;
58	*cp = '\0';
59	if (BytesRead != NULL)
60		*BytesRead = cp - Buffer;
61	return (AE_OK);
62#else
63	printf("AcpiOsGetLine called but no input support");
64	return (AE_NOT_EXIST);
65#endif /* DDB */
66}
67
68ACPI_STATUS
69AcpiOsSignal(UINT32 Function, void *Info)
70{
71    ACPI_SIGNAL_FATAL_INFO	*fatal;
72
73    switch (Function) {
74    case ACPI_SIGNAL_FATAL:
75	fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
76	printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
77	      fatal->Type, fatal->Code, fatal->Argument);
78#ifdef ACPI_DEBUG
79	kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal");
80#endif
81	break;
82
83    case ACPI_SIGNAL_BREAKPOINT:
84#ifdef ACPI_DEBUG
85	kdb_enter(KDB_WHY_ACPI, (char *)Info);
86#endif
87	break;
88
89    default:
90	return (AE_BAD_PARAMETER);
91    }
92
93    return (AE_OK);
94}
95
96#ifdef ACPI_DEBUGGER
97void
98acpi_EnterDebugger(void)
99{
100    static int		initted = 0;
101
102    if (!initted) {
103	printf("Initialising ACPICA debugger...\n");
104	AcpiInitializeDebugger();
105	initted = 1;
106    }
107
108    printf("Entering ACPICA debugger...\n");
109    AcpiDbUserCommands();
110}
111#endif /* ACPI_DEBUGGER */
112