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make sure that the alpha boot block is checksummed in a way more 

acceptable to charles; #ifdef it, and do it explicitly here, rather
than doing a WDINFO ioctl for the -r case.
This commit is contained in:
cgd 1995-03-22 23:48:49 +00:00
parent 86feec27e6
commit b1c02cd571
1 changed files with 18 additions and 2 deletions
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20
sbin/disklabel/disklabel.c
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@ -1,4 +1,4 @@
/* $NetBSD: disklabel.c,v 1.26 1995/03/22 09:14:34 mycroft Exp $ */
/* $NetBSD: disklabel.c,v 1.27 1995/03/22 23:48:49 cgd Exp $ */
/*
* Copyright (c) 1987, 1993
@ -47,7 +47,7 @@ static char copyright[] =
/* from static char sccsid[] = "@(#)disklabel.c 1.2 (Symmetric) 11/28/85"; */
static char sccsid[] = "@(#)disklabel.c 8.2 (Berkeley) 1/7/94";
#else
static char rcsid[] = "$NetBSD: disklabel.c,v 1.26 1995/03/22 09:14:34 mycroft Exp $";
static char rcsid[] = "$NetBSD: disklabel.c,v 1.27 1995/03/22 23:48:49 cgd Exp $";
#endif
#endif /* not lint */
@ -446,6 +446,22 @@ writelabel(f, boot, lp)
writeable = 1;
if (ioctl(f, DIOCWLABEL, &writeable) < 0)
perror("ioctl DIOCWLABEL");
#ifdef __alpha__
/*
* The Alpha requires that the boot block be checksummed.
* The first 63 8-byte quantites are summed into the 64th.
*/
{
int i;
u_int64_t *dp, sum;
dp = (u_int64_t *)boot;
sum = 0;
for (i = 0; i < 63; i++)
sum += dp[i];
dp[63] = sum;
}
#endif
if (write(f, boot, lp->d_bbsize) != lp->d_bbsize) {
perror("write");
return (1);