freebsd-dev/sys/dev/acpica/Osd/OsdDebug.c
2017-01-05 21:28:25 +00:00

114 lines
3.0 KiB
C

/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* 6.8 : Debugging support
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <ddb/ddb.h>
#include <ddb/db_output.h>
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acdebug.h>
#include <dev/acpica/acpivar.h>
ACPI_STATUS
AcpiOsGetLine(char *Buffer, UINT32 BufferLength, UINT32 *BytesRead)
{
#ifdef DDB
char *cp;
cp = Buffer;
if (db_readline(Buffer, BufferLength) > 0)
while (*cp != '\0' && *cp != '\n' && *cp != '\r')
cp++;
*cp = '\0';
if (BytesRead != NULL)
*BytesRead = cp - Buffer;
return (AE_OK);
#else
printf("AcpiOsGetLine called but no input support");
return (AE_NOT_EXIST);
#endif /* DDB */
}
ACPI_STATUS
AcpiOsSignal(UINT32 Function, void *Info)
{
ACPI_SIGNAL_FATAL_INFO *fatal;
switch (Function) {
case ACPI_SIGNAL_FATAL:
fatal = (ACPI_SIGNAL_FATAL_INFO *)Info;
printf("ACPI fatal signal, type 0x%x code 0x%x argument 0x%x",
fatal->Type, fatal->Code, fatal->Argument);
#ifdef ACPI_DEBUG
kdb_enter(KDB_WHY_ACPI, "AcpiOsSignal");
#endif
break;
case ACPI_SIGNAL_BREAKPOINT:
#ifdef ACPI_DEBUG
kdb_enter(KDB_WHY_ACPI, (char *)Info);
#endif
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
#ifdef ACPI_DEBUGGER
void
acpi_EnterDebugger(void)
{
static int initted = 0;
if (!initted) {
printf("Initialising ACPICA debugger...\n");
AcpiInitializeDebugger();
initted = 1;
}
printf("Entering ACPICA debugger...\n");
AcpiDbUserCommands();
}
#endif /* ACPI_DEBUGGER */