diff options
| -rw-r--r-- | sys/i386/i386/pmap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 835b895..f39832d 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1902,8 +1902,15 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot, origpte = *pte; opa = origpte & PG_FRAME; - if (origpte & PG_PS) + if (origpte & PG_PS) { + /* + * Yes, I know this will truncate upper address bits for PAE, + * but I'm actually more interested in the lower bits + */ + printf("pmap_enter: va %p, pte %p, origpte %p\n", + (void *)va, (void *)pte, (void *)(uintptr_t)origpte); panic("pmap_enter: attempted pmap_enter on 4MB page"); + } /* * Mapping has not changed, must be protection or wiring change. |
