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Annotation of sys/arch/jornada/jornada/autoconf.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: autoconf.c,v 1.9 2007/06/01 19:25:09 deraadt Exp $    */
                      2: /*     $NetBSD: autoconf.c,v 1.2 2001/09/05 16:17:36 matt Exp $        */
                      3:
                      4: /*
                      5:  * Copyright (c) 1994-1998 Mark Brinicombe.
                      6:  * Copyright (c) 1994 Brini.
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. All advertising materials mentioning features or use of this software
                     18:  *    must display the following acknowledgement:
                     19:  *     This product includes software developed by Mark Brinicombe for
                     20:  *      the NetBSD project.
                     21:  * 4. The name of the company nor the name of the author may be used to
                     22:  *    endorse or promote products derived from this software without specific
                     23:  *    prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
                     26:  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
                     27:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     28:  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
                     29:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     30:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     31:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35:  * SUCH DAMAGE.
                     36:  *
                     37:  * RiscBSD kernel project
                     38:  *
                     39:  * autoconf.c
                     40:  *
                     41:  * Autoconfiguration functions
                     42:  */
                     43:
                     44: #include <sys/param.h>
                     45: #include <sys/systm.h>
                     46: #include <sys/reboot.h>
                     47: #include <sys/disklabel.h>
                     48: #include <sys/device.h>
                     49: #include <sys/conf.h>
                     50: #include <sys/kernel.h>
                     51: #include <sys/malloc.h>
                     52:
                     53: #include <uvm/uvm_extern.h>
                     54:
                     55: #include <machine/bootconfig.h>
                     56: #include <machine/intr.h>
                     57: #include <dev/cons.h>
                     58:
                     59: struct device *booted_device;
                     60: int booted_partition;
                     61: struct device *bootdv = NULL;
                     62: extern char *boot_file;
                     63:
                     64: void dumpconf(void);
                     65:
                     66: void
                     67: device_register(struct device *dev, void *aux)
                     68: {
                     69: }
                     70:
                     71: /*
                     72:  * void cpu_configure()
                     73:  *
                     74:  * Configure all the root devices
                     75:  * The root devices are expected to configure their own children
                     76:  */
                     77: void
                     78: cpu_configure(void)
                     79: {
                     80:        softintr_init();
                     81:
                     82:        /*
                     83:         * Since various PCI interrupts could be routed via the ICU
                     84:         * (for PCI devices in the bridge) we need to set up the ICU
                     85:         * now so that these interrupts can be established correctly
                     86:         * i.e. This is a hack.
                     87:         */
                     88:
                     89:        config_rootfound("mainbus", NULL);
                     90:
                     91:        /*
                     92:         * We can not know which is our root disk, defer
                     93:         * until we can checksum blocks to figure it out.
                     94:         */
                     95:        cold = 0;
                     96:
                     97:        /* Time to start taking interrupts so lets open the flood gates .... */
                     98:        (void)spl0();
                     99:
                    100: }
                    101:
                    102: /*
                    103:  * Now that we are fully operational, we can checksum the
                    104:  * disks, and using some heuristics, hopefully are able to
                    105:  * always determine the correct root disk.
                    106:  */
                    107: void
                    108: diskconf(void)
                    109: {
                    110:        dev_t tmpdev;
                    111:
                    112: #if 0
                    113:        /*
                    114:         * Configure root, swap, and dump area.  This is
                    115:         * currently done by running the same checksum
                    116:         * algorithm over all known disks, as was done in
                    117:         * /boot.  Then we basically fixup the *dev vars
                    118:         * from the info we gleaned from this.
                    119:         */
                    120:        dkcsumattach();
                    121: #endif
                    122:
                    123:        /* Lookup boot device from boot if not set by configuration */
                    124:        if (bootdv == NULL) {
                    125:                int len;
                    126:                char *p;
                    127:
                    128:                /* boot_file is of the form wd0a:/bsd, we want 'wd0a' */
                    129:                if ((p = strchr(boot_file, ':')) != NULL)
                    130:                        len = p - boot_file;
                    131:                else
                    132:                        len = strlen(boot_file);
                    133:
                    134:                bootdv = parsedisk(boot_file, len, 0, &tmpdev);
                    135:        }
                    136:        if (bootdv == NULL)
                    137:                printf("boot device: lookup '%s' failed.\n", boot_file);
                    138:        else
                    139:                printf("boot device: %s\n", bootdv->dv_xname);
                    140:        setroot(bootdv, 0, RB_USERREQ);
                    141:        dumpconf();
                    142: }
                    143:
                    144: struct nam2blk nam2blk[] = {
                    145:        { "wd",         16 },
                    146:        { "sd",         24 },
                    147:        { "cd",         26 },
                    148:        { "rd",         18 },
                    149:        { "raid",       71 },
                    150:        { NULL,         -1 }
                    151: };