diff options
| author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1995-11-28 20:47:35 +0000 |
|---|---|---|
| committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1995-11-28 20:47:35 +0000 |
| commit | 446fc86daf6480408d292199f95833ddb1aceb06 (patch) | |
| tree | 3bce5424d28d11f6916b951f95d00b9deee01e93 /sys | |
| parent | cda78a541426b318e93543cb257d2952503118ba (diff) | |
Fix SunOS emulation on 040
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/amiga/amiga/pmap.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/arch/amiga/amiga/pmap.c b/sys/arch/amiga/amiga/pmap.c index 60697284291..145fc82e943 100644 --- a/sys/arch/amiga/amiga/pmap.c +++ b/sys/arch/amiga/amiga/pmap.c @@ -1390,9 +1390,15 @@ validate: * AMIGA pages in a MACH page. */ #ifdef M68040 - if (mmutype == MMU_68040 && pmap == pmap_kernel() && va >= AMIGA_UPTBASE && - va < (AMIGA_UPTBASE + AMIGA_UPTMAXSIZE)) + if (mmutype == MMU_68040 && pmap == pmap_kernel() && + va >= AMIGA_UPTBASE && va < (AMIGA_UPTBASE + AMIGA_UPTMAXSIZE)) cacheable = FALSE; /* don't cache user page tables */ + + /* Don't cache if process can't take it, like SunOS ones. */ + if (mmutype == MMU_68040 && pmap != pmap_kernel() && + (curproc->p_md.md_flags & MDP_UNCACHE_WX) && + (prot & VM_PROT_EXECUTE) && (prot & VM_PROT_WRITE)) + checkpv = cacheable = FALSE; #endif npte = (pa & PG_FRAME) | pte_prot(pmap, prot) | PG_V; npte |= (*(int *)pte & (PG_M|PG_U)); |