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Teach disklabel how to install a bootstrap on an alpha with SRM console.
This commit is contained in:
Doug Rabson
parent
83314c7206
commit
130cd73a15
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=38384
@ -46,7 +46,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
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/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
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#endif
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static const char rcsid[] =
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"$Id: disklabel.c,v 1.16 1998/07/20 11:34:06 bde Exp $";
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"$Id: disklabel.c,v 1.17 1998/07/25 16:19:10 bde Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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@ -89,7 +89,7 @@ static const char rcsid[] =
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#ifdef tahoe
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#define NUMBOOT 0
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#else
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#if defined(hp300) || defined(hp800)
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#if defined(hp300) || defined(hp800) || defined(__alpha__)
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#define NUMBOOT 1
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#else
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#define NUMBOOT 2
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@ -398,6 +398,14 @@ writelabel(f, boot, lp)
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#endif
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int flag;
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#ifdef __alpha__
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/*
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* Generate the bootblock checksum for the SRM console.
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*/
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u_long *p, sum;
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int i;
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#endif
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setbootflag(lp);
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lp->d_magic = DISKMAGIC;
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lp->d_magic2 = DISKMAGIC;
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@ -423,6 +431,13 @@ writelabel(f, boot, lp)
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* disable after writing.
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*/
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flag = 1;
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#ifdef __alpha__
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for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
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sum += p[i];
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p[63] = sum;
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#endif
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if (ioctl(f, DIOCWLABEL, &flag) < 0)
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warn("ioctl DIOCWLABEL");
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if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
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@ -661,9 +676,29 @@ makebootarea(boot, dp, f)
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if (read(b, &boot[dp->d_secsize],
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(int)(dp->d_bbsize-dp->d_secsize)) < 0)
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err(4, "%s", bootxx);
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#else
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#ifdef __alpha__
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{
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/*
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* On the alpha, the primary bootstrap starts at the
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* second sector of the boot area. The first sector
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* contains the label and must be edited to contain the
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* size and location of the primary bootstrap.
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*/
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int n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
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u_long *lp;
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if (n < 0)
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err(4, "%s", xxboot);
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lp = (u_long *) (boot + 480);
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lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
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lp[1] = 1; /* start at sector 1 */
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lp[2] = 0; /* flags (must be zero) */
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}
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#else
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if (read(b, boot, (int)dp->d_bbsize) < 0)
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err(4, "%s", xxboot);
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#endif
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if (fstat(b, &sb) != 0)
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err(4, "%s", xxboot);
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bootsize = (int)sb.st_size - dp->d_bbsize;
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@ -46,7 +46,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
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/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
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#endif
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static const char rcsid[] =
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"$Id: disklabel.c,v 1.16 1998/07/20 11:34:06 bde Exp $";
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"$Id: disklabel.c,v 1.17 1998/07/25 16:19:10 bde Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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@ -89,7 +89,7 @@ static const char rcsid[] =
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#ifdef tahoe
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#define NUMBOOT 0
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#else
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#if defined(hp300) || defined(hp800)
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#if defined(hp300) || defined(hp800) || defined(__alpha__)
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#define NUMBOOT 1
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#else
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#define NUMBOOT 2
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@ -398,6 +398,14 @@ writelabel(f, boot, lp)
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#endif
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int flag;
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#ifdef __alpha__
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/*
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* Generate the bootblock checksum for the SRM console.
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*/
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u_long *p, sum;
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int i;
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#endif
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setbootflag(lp);
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lp->d_magic = DISKMAGIC;
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lp->d_magic2 = DISKMAGIC;
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@ -423,6 +431,13 @@ writelabel(f, boot, lp)
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* disable after writing.
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*/
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flag = 1;
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#ifdef __alpha__
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for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++)
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sum += p[i];
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p[63] = sum;
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#endif
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if (ioctl(f, DIOCWLABEL, &flag) < 0)
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warn("ioctl DIOCWLABEL");
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if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
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@ -661,9 +676,29 @@ makebootarea(boot, dp, f)
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if (read(b, &boot[dp->d_secsize],
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(int)(dp->d_bbsize-dp->d_secsize)) < 0)
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err(4, "%s", bootxx);
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#else
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#ifdef __alpha__
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{
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/*
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* On the alpha, the primary bootstrap starts at the
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* second sector of the boot area. The first sector
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* contains the label and must be edited to contain the
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* size and location of the primary bootstrap.
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*/
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int n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize);
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u_long *lp;
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if (n < 0)
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err(4, "%s", xxboot);
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lp = (u_long *) (boot + 480);
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lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize;
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lp[1] = 1; /* start at sector 1 */
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lp[2] = 0; /* flags (must be zero) */
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}
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#else
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if (read(b, boot, (int)dp->d_bbsize) < 0)
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err(4, "%s", xxboot);
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#endif
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if (fstat(b, &sb) != 0)
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err(4, "%s", xxboot);
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bootsize = (int)sb.st_size - dp->d_bbsize;
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