diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2001-03-23 18:41:02 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2001-03-23 18:41:02 +0000 |
| commit | 49b4dc6783233175909e6ba3129a7bb39dd490b7 (patch) | |
| tree | da0261329ff85f234b66596fc5450ecc0feef2bd /sys/arch | |
| parent | fcaed2e9fb183e63eb6d5cf9f0ff755900377603 (diff) | |
Fix pagemove to work with PMAP_NEW. Mostly from NetBSD.
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/i386/vm_machdep.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/vm_machdep.c b/sys/arch/i386/i386/vm_machdep.c index 5b122ab36d6..ee5c433ad33 100644 --- a/sys/arch/i386/i386/vm_machdep.c +++ b/sys/arch/i386/i386/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.22 2001/03/23 14:26:10 art Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.23 2001/03/23 18:41:01 art Exp $ */ /* $NetBSD: vm_machdep.c,v 1.61 1996/05/03 19:42:35 christos Exp $ */ /*- @@ -334,6 +334,9 @@ pagemove(from, to, size) size_t size; { pt_entry_t *fpte, *tpte; +#ifdef PMAP_NEW + pt_entry_t ofpte, otpte; +#endif #ifdef DIAGNOSTIC if ((size & PAGE_MASK) != 0) @@ -342,13 +345,36 @@ pagemove(from, to, size) fpte = kvtopte(from); tpte = kvtopte(to); while (size > 0) { +#ifdef PMAP_NEW + ofpte = *fpte; + otpte = *tpte; +#endif *tpte++ = *fpte; *fpte++ = 0; +#ifdef PMAP_NEW +#if defined(I386_CPU) + if (cpu_class != CPUCLASS_386) +#endif + { + if (otpte & PG_V) + pmap_update_pg((vm_offset_t) to); + if (ofpte & PG_V) + pmap_update_pg((vm_offset_t) from); + } +#endif + from += NBPG; to += NBPG; size -= NBPG; } +#ifdef PMAP_NEW +#if defined(I386_CPU) + if (cpu_class != CPUCLASS_386) + tlbflush(); +#endif +#else pmap_update(); +#endif } /* |