FreeBSD/Linux Kernel Cross Reference
sys/sparc64/sparc64/autoconf.c

     /*-
      * Copyright (c) 2001 Jake Burkholder.
      * 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.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include "opt_isa.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/cons.h>
    #include <sys/kernel.h>
    
    #ifdef DEV_ISA
    #include <isa/isavar.h>
    extern device_t isa_bus_device;
    #endif
    
    static device_t nexusdev;
    
    static void     configure_first(void *);
    static void     configure(void *);
    static void     configure_final(void *);
    
    SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
    /* SI_ORDER_SECOND is hookable */
    SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
    /* SI_ORDER_MIDDLE is hookable */
    SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
    
    /*
     * Determine i/o configuration for a machine.
     */
    static void
    configure_first(void *dummy)
    {
    
            nexusdev = device_add_child(root_bus, "nexus", 0);
    }
    
    static void
    configure(void *dummy)
    {
    
    #ifdef SUN4V
            intr_restore_all(0x16);
    #endif
            root_bus_configure();
    #ifdef DEV_ISA
            /*
             * We bypass isa_probe_children(9) here in order to avoid
             * invasive probes done by identify-routines of ISA drivers,
             * which in turn can trigger master/target aborts, and the
             * addition of ISA hints, which might erroneously exist.
             */
            if (isa_bus_device != NULL)
                    (void)bus_generic_attach(isa_bus_device);
    #endif
    }
    
    static void
    configure_final(void *dummy)
    {
    
            cninit_finish();
            cold = 0;
    }

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