Make path to kernel absolute if it is passed in relative. This fixes

a related bug in some of the new 'foo'boot bootstrap code that has been
added over the past months. This change makes it no longer necessary
for the bootstrap to fix up the path (i.e. it can be removed).
This commit is contained in:
David Greenman 1995-06-28 04:42:25 +00:00
parent 943c18018b
commit 53b5ed936e
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=9344
3 changed files with 30 additions and 12 deletions

View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)locore.s 7.3 (Berkeley) 5/13/91
* $Id: locore.s,v 1.51 1995/03/11 03:49:46 phk Exp $
* $Id: locore.s,v 1.52 1995/04/16 10:12:16 davidg Exp $
*/
/*
@ -240,14 +240,20 @@ NON_GPROF_ENTRY(btext)
*/
movl BI_KERNELNAME(%ebx),%esi
cmpl $0,%esi
je 1f /* No kernelname */
lea _kernelname-KERNBASE,%edi
je 2f /* No kernelname */
movl $MAXPATHLEN,%ecx /* Brute force!!! */
lea _kernelname-KERNBASE,%edi
cmpb $'/',(%esi) /* Make sure it starts with a slash */
je 1f
movb $'/',(%edi)
incl %edi
decl %ecx
1:
cld
rep
movsb
1:
2:
/*
* Determine the size of the boot loader's copy of the bootinfo
* struct. This is impossible to do properly because old versions

View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)locore.s 7.3 (Berkeley) 5/13/91
* $Id: locore.s,v 1.51 1995/03/11 03:49:46 phk Exp $
* $Id: locore.s,v 1.52 1995/04/16 10:12:16 davidg Exp $
*/
/*
@ -240,14 +240,20 @@ NON_GPROF_ENTRY(btext)
*/
movl BI_KERNELNAME(%ebx),%esi
cmpl $0,%esi
je 1f /* No kernelname */
lea _kernelname-KERNBASE,%edi
je 2f /* No kernelname */
movl $MAXPATHLEN,%ecx /* Brute force!!! */
lea _kernelname-KERNBASE,%edi
cmpb $'/',(%esi) /* Make sure it starts with a slash */
je 1f
movb $'/',(%edi)
incl %edi
decl %ecx
1:
cld
rep
movsb
1:
2:
/*
* Determine the size of the boot loader's copy of the bootinfo
* struct. This is impossible to do properly because old versions

View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)locore.s 7.3 (Berkeley) 5/13/91
* $Id: locore.s,v 1.51 1995/03/11 03:49:46 phk Exp $
* $Id: locore.s,v 1.52 1995/04/16 10:12:16 davidg Exp $
*/
/*
@ -240,14 +240,20 @@ NON_GPROF_ENTRY(btext)
*/
movl BI_KERNELNAME(%ebx),%esi
cmpl $0,%esi
je 1f /* No kernelname */
lea _kernelname-KERNBASE,%edi
je 2f /* No kernelname */
movl $MAXPATHLEN,%ecx /* Brute force!!! */
lea _kernelname-KERNBASE,%edi
cmpb $'/',(%esi) /* Make sure it starts with a slash */
je 1f
movb $'/',(%edi)
incl %edi
decl %ecx
1:
cld
rep
movsb
1:
2:
/*
* Determine the size of the boot loader's copy of the bootinfo
* struct. This is impossible to do properly because old versions