Use new machine-independent setroot().
This commit is contained in:
thorpej
parent
95380a8478
commit
bb87691950
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@ -1,4 +1,4 @@
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/* $NetBSD: autoconf.c,v 1.41 1997/01/27 19:56:33 gwr Exp $ */
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/* $NetBSD: autoconf.c,v 1.42 1997/01/31 02:08:50 thorpej Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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@ -66,8 +66,25 @@
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int cold;
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static int net_mkunit __P((int, int));
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static int sd_mkunit __P((int, int));
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static int xx_mkunit __P((int, int));
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void findroot __P((struct device **, int *));
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struct devnametobdevmaj sun3_nam2blk[] = {
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{ "xy", 3 },
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{ "sd", 7 },
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{ "xd", 10 },
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{ "md", 13 },
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{ "cd", 18 },
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{ NULL, 0 },
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};
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void configure()
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{
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struct device *mainbus, *booted_device;
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int booted_partition;
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/* General device autoconfiguration. */
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if (config_rootfound("mainbus", NULL) == NULL)
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@ -77,34 +94,106 @@ void configure()
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(void)spl0();
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/* Choose root and swap devices. */
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swapgeneric();
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findroot(&booted_device, &booted_partition);
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printf("boot device: %s\n",
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booted_device ? booted_device->dv_xname : "<unknown>");
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setroot(booted_device, booted_partition, sun3_nam2blk);
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swapconf();
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dumpconf();
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cold = 0;
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}
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/*
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* Configure swap space and related parameters.
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* Support code to find the boot device.
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*/
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void
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swapconf()
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/*
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* Map Sun PROM device names to unit numbers.
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*/
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static int
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net_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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struct swdevt *swp;
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u_int maj;
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int nblks;
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for (swp = swdevt; swp->sw_dev != NODEV; swp++) {
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/* XXX - Not sure which is set. */
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return (ctlr + unit);
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}
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maj = major(swp->sw_dev);
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if (maj > nblkdev) /* paranoid? */
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static int
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sd_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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int target, lun;
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/* This only supports LUNs 0, 1 */
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target = unit >> 3;
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lun = unit & 1;
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return (target * 2 + lun);
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}
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static int
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xx_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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return (ctlr * 2 + unit);
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}
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static struct {
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const char *name;
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int (*mkunit) __P((int, int));
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} name2unit[] = {
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{ "ie", net_mkunit },
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{ "le", net_mkunit },
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{ "sd", sd_mkunit },
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{ "xy", xx_mkunit },
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{ "xd", xx_mkunit },
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{ NULL, 0 },
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};
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void
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findroot(devpp, partp)
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struct device **devpp;
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int *partp;
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{
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struct device *dv;
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MachMonBootParam *bpp;
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char name[32];
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int unit, part, i;
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/* Default to "Not found". */
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*devpp = NULL;
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*partp = 0;
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bpp = *romp->bootParam;
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/* Extract device name (always two letters). */
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name[0] = bpp->devName[0];
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name[1] = bpp->devName[1];
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name[3] = '\0';
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/* Do we know how to get a unit number for this device? */
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for (i = 0; name2unit[i].name != NULL; i++)
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if (name2unit[i].name[0] == name[0] &&
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name2unit[i].name[1] == name[1])
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break;
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if (name2unit[i].name == NULL)
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return;
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if (bdevsw[maj].d_psize) {
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nblks = (*bdevsw[maj].d_psize)(swp->sw_dev);
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if (nblks > 0 &&
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(swp->sw_nblks == 0 || swp->sw_nblks > nblks))
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swp->sw_nblks = nblks;
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swp->sw_nblks = ctod(dtoc(swp->sw_nblks));
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unit = (*name2unit[i].mkunit)(bpp->ctlrNum, bpp->unitNum);
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part = bpp->partNum;
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/* Look up the device. */
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sprintf(name, "%s%d", name2unit[i].name, unit);
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for (dv = alldevs.tqh_first; dv != NULL;
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dv = dv->dv_list.tqe_next) {
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if (strcmp(name, dv->dv_xname) == 0) {
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*devpp = dv;
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*partp = part;
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return;
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}
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}
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: autoconf.c,v 1.5 1997/01/27 22:23:38 gwr Exp $ */
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/* $NetBSD: autoconf.c,v 1.6 1997/01/31 02:09:55 thorpej Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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@ -67,8 +67,25 @@
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int cold;
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static int net_mkunit __P((int, int));
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static int sd_mkunit __P((int, int));
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static int xx_mkunit __P((int, int));
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void findroot __P((struct device **, int *));
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struct devnametobdevmaj sun3x_nam2blk[] = {
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{ "xy", 3 },
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{ "sd", 7 },
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{ "xd", 10 },
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{ "md", 13 },
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{ "cd", 18 },
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{ NULL, 0 },
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};
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void configure()
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{
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struct device *mainbus, *booted_device;
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int booted_partition;
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/* General device autoconfiguration. */
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if (config_rootfound("mainbus", NULL) == NULL)
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@ -78,34 +95,106 @@ void configure()
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(void)spl0();
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/* Choose root and swap devices. */
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swapgeneric();
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findroot(&booted_device, &booted_partition);
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printf("boot device: %s\n",
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booted_device ? booted_device->dv_xname : "<unknown>");
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setroot(booted_device, booted_partition, sun3_nam2blk);
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swapconf();
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dumpconf();
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cold = 0;
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}
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/*
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* Configure swap space and related parameters.
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* Support code to find the boot device.
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*/
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void
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swapconf()
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/*
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* Map Sun PROM device names to unit numbers.
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*/
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static int
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net_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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struct swdevt *swp;
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u_int maj;
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int nblks;
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for (swp = swdevt; swp->sw_dev != NODEV; swp++) {
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/* XXX - Not sure which is set. */
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return (ctlr + unit);
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}
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maj = major(swp->sw_dev);
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if (maj > nblkdev) /* paranoid? */
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static int
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sd_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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int target, lun;
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/* This only supports LUNs 0, 1 */
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target = unit >> 3;
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lun = unit & 1;
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return (target * 2 + lun);
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}
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static int
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xx_mkunit(ctlr, unit)
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int ctlr, unit;
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{
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return (ctlr * 2 + unit);
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}
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static struct {
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const char *name;
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int (*mkunit) __P((int, int));
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} name2unit[] = {
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{ "ie", net_mkunit },
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{ "le", net_mkunit },
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{ "sd", sd_mkunit },
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{ "xy", xx_mkunit },
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{ "xd", xx_mkunit },
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{ NULL, 0 },
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};
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void
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findroot(devpp, partp)
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struct device **devpp;
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int *partp;
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{
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struct device *dv;
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MachMonBootParam *bpp;
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char name[32];
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int unit, part, i;
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/* Default to "Not found". */
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*devpp = NULL;
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*partp = 0;
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bpp = *romp->bootParam;
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/* Extract device name (always two letters). */
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name[0] = bpp->devName[0];
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name[1] = bpp->devName[1];
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name[3] = '\0';
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/* Do we know how to get a unit number for this device? */
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for (i = 0; name2unit[i].name != NULL; i++)
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if (name2unit[i].name[0] == name[0] &&
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name2unit[i].name[1] == name[1])
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break;
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if (name2unit[i].name == NULL)
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return;
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if (bdevsw[maj].d_psize) {
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nblks = (*bdevsw[maj].d_psize)(swp->sw_dev);
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if (nblks > 0 &&
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(swp->sw_nblks == 0 || swp->sw_nblks > nblks))
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swp->sw_nblks = nblks;
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swp->sw_nblks = ctod(dtoc(swp->sw_nblks));
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unit = (*name2unit[i].mkunit)(bpp->ctlrNum, bpp->unitNum);
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part = bpp->partNum;
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/* Look up the device. */
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sprintf(name, "%s%d", name2unit[i].name, unit);
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for (dv = alldevs.tqh_first; dv != NULL;
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dv = dv->dv_list.tqe_next) {
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if (strcmp(name, dv->dv_xname) == 0) {
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*devpp = dv;
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*partp = part;
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return;
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}
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}
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}
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