FreeBSD/Linux Kernel Cross Reference
sys/dev/acpica/Osd/OsdDebug.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: releng/5.4/sys/dev/acpica/Osd/OsdDebug.c 135054 2004-09-10 22:14:08Z njl $
     */
    
    /*
     * 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 */

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