diff options
Diffstat (limited to 'sys/arch/vax/stand/boot/devopen.c')
| -rw-r--r-- | sys/arch/vax/stand/boot/devopen.c | 130 |
1 files changed, 103 insertions, 27 deletions
diff --git a/sys/arch/vax/stand/boot/devopen.c b/sys/arch/vax/stand/boot/devopen.c index dac5993df30..5cb9ade2994 100644 --- a/sys/arch/vax/stand/boot/devopen.c +++ b/sys/arch/vax/stand/boot/devopen.c @@ -1,5 +1,5 @@ -/* $OpenBSD: devopen.c,v 1.2 2000/10/04 04:09:01 bjc Exp $ */ -/* $NetBSD: devopen.c,v 1.2 1999/06/30 18:30:42 ragge Exp $ */ +/* $OpenBSD: devopen.c,v 1.3 2002/06/11 09:36:23 hugh Exp $ */ +/* $NetBSD: devopen.c,v 1.10 2002/05/24 21:40:59 ragge Exp $ */ /* * Copyright (c) 1997 Ludd, University of Lule}, Sweden. * All rights reserved. @@ -31,14 +31,20 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include <sys/reboot.h> - #include "lib/libsa/stand.h" + +#include "machine/rpb.h" +#include "machine/sid.h" +#include "machine/pte.h" +#define VAX780 1 +#include "machine/ka750.h" + +#include "arch/vax/bi/bireg.h" + #include "vaxstand.h" -#include "rpb.h" -unsigned int opendev; -extern struct rpb *rpb; +int atoi(char *); +int nexaddr, csrbase; int devopen(f, fname, file) @@ -46,21 +52,33 @@ devopen(f, fname, file) const char *fname; char **file; { - int dev, ctlr, unit, part, adapt, i, a[4], x; + int dev, unit, ctlr, part, adapt, i, a[4], x; + int *mapregs; struct devsw *dp; extern int cnvtab[]; - char *s, *c, *u; + char *s, *c; + + part = 0; + + /* + * Adaptor and controller are normally zero (or uninteresting), + * but we need to do some conversion here anyway (if it's a + * manual boot, but that's checked by the device driver). + * Set them to -1 to tell if it's a set number or default. + */ + dev = bootrpb.devtyp; + unit = bootrpb.unit; + adapt = ctlr = -1; - dev = rpb->devtyp; - unit = rpb->unit; - adapt = ctlr = part = 0; + if (dev == BDEV_KDB) + dev = BDEV_UDA; /* use the same driver */ for (i = 0, dp = 0; i < ndevs; i++) if (cnvtab[i] == dev) dp = devsw + i; x = 0; - if ((s = index(fname, '('))) { + if ((s = index((char *)fname, '('))) { *s++ = 0; for (i = 0, dp = devsw; i < ndevs; i++, dp++) @@ -99,29 +117,87 @@ devopen(f, fname, file) if (x > 3) adapt = a[0]; *file = c; - - x = 1; } else { *file = (char *)fname; c = (char *)fname; } - if (!dp->dv_open) + if (!dp->dv_open) { + printf("Can't open device type %d\n", dev); return(ENODEV); + } f->f_dev = dp; - - if (dev > 95) { /* MOP boot over network, root & swap over NFS */ - i = (*dp->dv_open)(f, dp->dv_name); - } else - i = (*dp->dv_open)(f, adapt, ctlr, unit, part); - - if(x == 0) { - dev = rpb->devtyp; /* dv_open may have modified rpb */ - unit = rpb->unit; + bootrpb.unit = unit; + bootrpb.devtyp = dev; + + nexaddr = bootrpb.adpphy; + switch (vax_boardtype) { + case VAX_BTYP_750: + csrbase = (nexaddr == 0xf30000 ? 0xffe000 : 0xfbe000); + if (adapt < 0) + break; + nexaddr = (NEX750 + NEXSIZE * adapt); + csrbase = (adapt == 8 ? 0xffe000 : 0xfbe000); + break; + case VAX_BTYP_780: + case VAX_BTYP_790: + csrbase = 0x2007e000 + 0x40000 * ((nexaddr & 0x1e000) >> 13); + if (adapt < 0) + break; + nexaddr = ((int)NEX780 + NEXSIZE * adapt); + csrbase = 0x2007e000 + 0x40000 * adapt; + break; + case VAX_BTYP_9CC: /* 6000/200 */ + case VAX_BTYP_9RR: /* 6000/400 */ + case VAX_BTYP_1202: /* 6000/500 */ + csrbase = 0; + if (ctlr < 0) + ctlr = bootrpb.adpphy & 15; + if (adapt < 0) + adapt = (bootrpb.adpphy >> 4) & 15; + nexaddr = BI_BASE(adapt, ctlr); + break; + + case VAX_BTYP_8000: + case VAX_BTYP_8800: + case VAX_BTYP_8PS: + csrbase = 0; /* _may_ be a KDB */ + nexaddr = bootrpb.csrphy; + if (ctlr < 0) + break; + if (adapt < 0) + nexaddr = (nexaddr & 0xff000000) + BI_NODE(ctlr); + else + nexaddr = BI_BASE(adapt, ctlr); + break; + case VAX_BTYP_610: + nexaddr = 0; /* No map regs */ + csrbase = 0x20000000; + break; + + case VAX_BTYP_VXT: + nexaddr = 0; + csrbase = bootrpb.csrphy; + break; + default: + nexaddr = 0; /* No map regs */ + csrbase = 0x20000000; + /* Always map in the lowest 4M on qbus-based machines */ + mapregs = (void *)0x20088000; + if (bootrpb.adpphy == 0x20087800) + for (i = 0; i < 8192; i++) + mapregs[i] = PG_V | i; + break; } - opendev = MAKEBOOTDEV(dev, adapt, ctlr, unit, part); - return i; +#ifdef DEV_DEBUG + printf("rpb.type %d rpb.unit %d rpb.csr %lx rpb.adp %lx\n", + bootrpb.devtyp, bootrpb.unit, bootrpb.csrphy, bootrpb.adpphy); + printf("adapter %d ctlr %d unit %d part %d\n", adapt, ctlr, unit, part); + printf("nexaddr %x csrbase %x\n", nexaddr, csrbase); +#endif + + return (*dp->dv_open)(f, adapt, ctlr, unit, part); usage: printf("usage: dev(adapter,controller,unit,partition)file -asd\n"); |