freebsd-nq/sys/dev/acpica/Osd/OsdDebug.c
Nate Lawson 2df0b34b24 Don't enter the debugger when executing an AML breakpoint instruction
unless ACPI_DEBUG is defined.  Users don't typically care about errant
breakpoint instructions.  The HP Pavilion 7915 has this in its PCI0
_INI method for rev 0x6040000 of the RSDT.
2004-09-02 04:28:05 +00:00

115 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.
*
* $FreeBSD$
*/
/*
* 6.8 : Debugging support
*/
#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 "acpi.h"
#include "acdebug.h"
#include <dev/acpica/acpivar.h>
UINT32
AcpiOsGetLine(char *Buffer)
{
#ifdef DDB
char *cp;
db_readline(Buffer, 80);
for (cp = Buffer; *cp != 0; cp++)
if (*cp == '\n')
*cp = 0;
return (AE_OK);
#else
printf("AcpiOsGetLine called but no input support");
return (AE_NOT_EXIST);
#endif /* DDB */
}
void
AcpiOsDbgAssert(void *FailedAssertion, void *FileName, UINT32 LineNumber,
char *Message)
{
printf("ACPI: %s:%d - %s\n", (char *)FileName, LineNumber, Message);
printf("ACPI: assertion %s\n", (char *)FailedAssertion);
}
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);
kdb_enter("AcpiOsSignal");
break;
case ACPI_SIGNAL_BREAKPOINT:
#ifdef ACPI_DEBUG
kdb_enter((char *)Info);
#endif
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
#ifdef ACPI_DEBUGGER
void
acpi_EnterDebugger(void)
{
ACPI_PARSE_OBJECT obj;
static int initted = 0;
if (!initted) {
printf("Initialising ACPICA debugger...\n");
AcpiDbInitialize();
initted = 1;
}
printf("Entering ACPICA debugger...\n");
AcpiDbUserCommands('A', &obj);
}
#endif /* ACPI_DEBUGGER */