diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2014-02-09 11:25:59 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2014-02-09 11:25:59 +0000 |
| commit | 3b799defb103b5955b9854b1805b7d31b20a97a8 (patch) | |
| tree | 686c88bd352a51c9b125f6fe2f3226e42e13fe15 /sys | |
| parent | 1980a967fe3944f05fb4ca4aaa60da212f5890d3 (diff) | |
Use syncicache() instead of rerolling an almost identical version.
ok miod@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index f8165ff928f..275d631317d 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.124 2014/02/08 23:49:20 miod Exp $ */ +/* $OpenBSD: pmap.c,v 1.125 2014/02/09 11:25:58 mpi Exp $ */ /* * Copyright (c) 2001, 2002, 2007 Dale Rahn. @@ -2011,13 +2011,11 @@ copyoutstr(const void *kaddr, void *udaddr, size_t len, size_t *done) * sync instruction cache for user virtual address. * The address WAS JUST MAPPED, so we have a VALID USERSPACE mapping */ -#define CACHELINESIZE 32 /* For now XXX*/ void pmap_syncicache_user_virt(pmap_t pm, vaddr_t va) { - vaddr_t p, start; + vaddr_t start; int oldsr; - int l; if (pm != pmap_kernel()) { start = ((u_int)PPC_USER_ADDR + ((u_int)va & @@ -2029,19 +2027,8 @@ pmap_syncicache_user_virt(pmap_t pm, vaddr_t va) } else { start = va; /* flush mapped page */ } - p = start; - l = PAGE_SIZE; - do { - __asm__ __volatile__ ("dcbst 0,%0" :: "r"(p)); - p += CACHELINESIZE; - } while ((l -= CACHELINESIZE) > 0); - p = start; - l = PAGE_SIZE; - do { - __asm__ __volatile__ ("icbi 0,%0" :: "r"(p)); - p += CACHELINESIZE; - } while ((l -= CACHELINESIZE) > 0); + syncicache((void *)start, PAGE_SIZE); if (pm != pmap_kernel()) { pmap_popusr(oldsr); |