diff options
| author | dfr <dfr@FreeBSD.org> | 1998-08-17 07:43:54 +0000 |
|---|---|---|
| committer | dfr <dfr@FreeBSD.org> | 1998-08-17 07:43:54 +0000 |
| commit | 72c760c68b70c9d684c4ebfc7402e14a5119ac6b (patch) | |
| tree | 1d5a757d03674ef232b62bd8a2af65167ad3be80 /sbin/disklabel | |
| parent | 8f925ed929380e35be82c0bea5775b4efb3adcee (diff) | |
| download | FreeBSD-src-72c760c68b70c9d684c4ebfc7402e14a5119ac6b.zip FreeBSD-src-72c760c68b70c9d684c4ebfc7402e14a5119ac6b.tar.gz | |
Teach disklabel how to install a bootstrap on an alpha with SRM console.
Diffstat (limited to 'sbin/disklabel')
| -rw-r--r-- | sbin/disklabel/disklabel.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/sbin/disklabel/disklabel.c b/sbin/disklabel/disklabel.c index df940e9..bd55781 100644 --- a/sbin/disklabel/disklabel.c +++ b/sbin/disklabel/disklabel.c @@ -46,7 +46,7 @@ static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94"; /* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */ #endif static const char rcsid[] = - "$Id: disklabel.c,v 1.16 1998/07/20 11:34:06 bde Exp $"; + "$Id: disklabel.c,v 1.17 1998/07/25 16:19:10 bde Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -89,7 +89,7 @@ static const char rcsid[] = #ifdef tahoe #define NUMBOOT 0 #else -#if defined(hp300) || defined(hp800) +#if defined(hp300) || defined(hp800) || defined(__alpha__) #define NUMBOOT 1 #else #define NUMBOOT 2 @@ -398,6 +398,14 @@ writelabel(f, boot, lp) #endif int flag; +#ifdef __alpha__ + /* + * Generate the bootblock checksum for the SRM console. + */ + u_long *p, sum; + int i; +#endif + setbootflag(lp); lp->d_magic = DISKMAGIC; lp->d_magic2 = DISKMAGIC; @@ -423,6 +431,13 @@ writelabel(f, boot, lp) * disable after writing. */ flag = 1; + +#ifdef __alpha__ + for (p = (u_long *)boot, i = 0, sum = 0; i < 63; i++) + sum += p[i]; + p[63] = sum; +#endif + if (ioctl(f, DIOCWLABEL, &flag) < 0) warn("ioctl DIOCWLABEL"); if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) { @@ -662,8 +677,28 @@ makebootarea(boot, dp, f) (int)(dp->d_bbsize-dp->d_secsize)) < 0) err(4, "%s", bootxx); #else +#ifdef __alpha__ + { + + /* + * On the alpha, the primary bootstrap starts at the + * second sector of the boot area. The first sector + * contains the label and must be edited to contain the + * size and location of the primary bootstrap. + */ + int n = read(b, boot + dp->d_secsize, (int)dp->d_bbsize); + u_long *lp; + if (n < 0) + err(4, "%s", xxboot); + lp = (u_long *) (boot + 480); + lp[0] = (n + dp->d_secsize - 1) / dp->d_secsize; + lp[1] = 1; /* start at sector 1 */ + lp[2] = 0; /* flags (must be zero) */ + } +#else if (read(b, boot, (int)dp->d_bbsize) < 0) err(4, "%s", xxboot); +#endif if (fstat(b, &sb) != 0) err(4, "%s", xxboot); bootsize = (int)sb.st_size - dp->d_bbsize; |
