228 lines
4.6 KiB
C
228 lines
4.6 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_bootp.h"
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#include "opt_ffs.h"
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#include "opt_cd9660.h"
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#include "opt_nfs.h"
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#include "opt_nfsroot.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/disklabel.h>
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#include <sys/diskslice.h> /* for BASE_SLICE, MAX_SLICES */
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#include <sys/reboot.h>
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#include <sys/kernel.h>
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#include <sys/mount.h>
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#include <sys/sysctl.h>
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#include <sys/bus.h>
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#include <sys/devicestat.h>
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#include <sys/cons.h>
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#include <machine/ipl.h>
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#include <machine/md_var.h>
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#include <machine/cpuconf.h>
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#include <machine/rpb.h>
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#include <machine/bootinfo.h>
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/cam_debug.h>
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static void configure __P((void *));
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SYSINIT(configure, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL)
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static void configure_finish __P((void));
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static void configure_start __P((void));
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#include "isa.h"
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#if NISA > 0
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#include <isa/isavar.h>
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device_t isa_bus_device = 0;
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#endif
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extern int nfs_diskless_valid;
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dev_t rootdev = NODEV;
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dev_t dumpdev = NODEV;
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static void
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configure_start()
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{
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}
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static void
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configure_finish()
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{
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}
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#if 0
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static int
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atoi(const char *s)
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{
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int n = 0;
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while (*s >= '0' && *s <= '9')
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n = n * 10 + (*s++ - '0');
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return n;
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}
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static const char *
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bootdev_field(int which)
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{
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char *p = bootinfo.booted_dev;
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char *q;
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static char field[128];
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/* Skip characters to find the right field */
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for (; which; which--) {
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while (*p != ' ' && *p != '\0')
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p++;
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if (*p)
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p++;
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}
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/* Copy out the field and return it */
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q = field;
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while (*p != ' ' && *p != '\0')
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*q++ = *p++;
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*q = '\0';
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return field;
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}
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static const char *
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bootdev_protocol(void)
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{
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return bootdev_field(0);
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}
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static int
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bootdev_slot(void)
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{
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return atoi(bootdev_field(2));
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}
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static int
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bootdev_unit(void)
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{
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return atoi(bootdev_field(5));
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}
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static int
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bootdev_bus(void)
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{
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return atoi(bootdev_field(1));
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}
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static int
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bootdev_channel(void)
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{
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return atoi(bootdev_field(3));
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}
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static const char *
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bootdev_remote_address(void)
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{
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return bootdev_field(4);
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}
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static int
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bootdev_boot_dev_type(void)
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{
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return atoi(bootdev_field(6));
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}
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static const char *
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bootdev_ctrl_dev_type(void)
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{
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return bootdev_field(7);
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}
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#endif
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/*
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* Determine i/o configuration for a machine.
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*/
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static void
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configure(void *dummy)
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{
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configure_start();
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device_add_child(root_bus, platform.iobus, 0);
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root_bus_configure();
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if((hwrpb->rpb_type != ST_DEC_3000_300) &&
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(hwrpb->rpb_type != ST_DEC_3000_500)){
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/*
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* Probe ISA devices after everything.
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*/
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#if NISA > 0
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if (isa_bus_device)
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isa_probe_children(isa_bus_device);
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#endif
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}
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configure_finish();
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cninit_finish();
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/*
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* Now we're ready to handle (pending) interrupts.
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* XXX this is slightly misplaced.
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*/
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spl0();
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cold = 0;
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}
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/*
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* Do legacy root filesystem discovery. This isn't really
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* needed on the Alpha, which has always used the loader.
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*/
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void
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cpu_rootconf()
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{
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int order = 0;
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#if defined(NFS) && defined(NFS_ROOT)
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#if !defined(BOOTP_NFSROOT)
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if (nfs_diskless_valid)
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#endif
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rootdevnames[order++] = "nfs:";
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#endif
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#if defined(FFS) && defined(FFS_ROOT)
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rootdevnames[order++] = "ufs:da0a";
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#endif
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}
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SYSINIT(cpu_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, cpu_rootconf, NULL)
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