Teach disklabel how to install a bootstrap on an alpha with SRM console.

This commit is contained in:
Doug Rabson 1998-08-17 07:43:54 +00:00
parent 83314c7206
commit 130cd73a15
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=38384
2 changed files with 74 additions and 4 deletions

View File

@ -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) {
@ -661,9 +676,29 @@ makebootarea(boot, dp, f)
if (read(b, &boot[dp->d_secsize],
(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;

View File

@ -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) {
@ -661,9 +676,29 @@ makebootarea(boot, dp, f)
if (read(b, &boot[dp->d_secsize],
(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;