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Be specific about which reason caused vm86_addpages to panic

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This commit is contained in:
Peter Wemm 2002-07-12 08:15:42 +00:00
parent bb1dd7a45a
commit 485a325e59
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99864
1 changed files with 6 additions and 4 deletions
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10
sys/i386/i386/vm86.c
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@ -483,10 +483,10 @@ vm86_addpage(struct vm86context *vmc, int pagenum, vm_offset_t kva)
for (i = 0; i < vmc->npages; i++)
if (vmc->pmap[i].pte_num == pagenum)
goto bad;
goto overlap;
if (vmc->npages == VM86_PMAPSIZE)
goto bad; /* XXX grow map? */
goto full; /* XXX grow map? */
if (kva == 0) {
kva = (vm_offset_t)malloc(PAGE_SIZE, M_TEMP, M_WAITOK);
@ -498,8 +498,10 @@ vm86_addpage(struct vm86context *vmc, int pagenum, vm_offset_t kva)
vmc->pmap[i].kva = kva;
vmc->pmap[i].pte_num = pagenum;
return (kva);
bad:
panic("vm86_addpage: not enough room, or overlap");
overlap:
panic("vm86_addpage: overlap");
full:
panic("vm86_addpage: not enough room");
}
static void