diff options
| author | bde <bde@FreeBSD.org> | 1996-07-12 07:18:12 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 1996-07-12 07:18:12 +0000 |
| commit | c2df7dfe258a5f9bc4d29e1a3ce9e930422cb17e (patch) | |
| tree | 07175a28feccc8bb50799f31e4dbd9cdfbdaf9c7 /sys | |
| parent | df4f98193953579258bd0eac73b14bb72ff52c14 (diff) | |
| download | FreeBSD-src-c2df7dfe258a5f9bc4d29e1a3ce9e930422cb17e.zip FreeBSD-src-c2df7dfe258a5f9bc4d29e1a3ce9e930422cb17e.tar.gz | |
Removed "optimization" using gcc's builtin memcpy instead of bcopy.
There is little difference now since the amount copied is large,
and bcopy will become much faster on some machines.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 7 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 7 |
2 files changed, 4 insertions, 10 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index d016355..6dbffd1 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.107 1996/06/25 00:39:21 dyson Exp $ + * $Id: pmap.c,v 1.108 1996/06/26 05:05:52 dyson Exp $ */ /* @@ -2087,11 +2087,8 @@ pmap_copy_page(src, dst) *(int *) CMAP1 = PG_V | PG_RW | (src & PG_FRAME); *(int *) CMAP2 = PG_V | PG_RW | (dst & PG_FRAME); -#if __GNUC__ > 1 - memcpy(CADDR2, CADDR1, PAGE_SIZE); -#else bcopy(CADDR1, CADDR2, PAGE_SIZE); -#endif + *(int *) CMAP1 = 0; *(int *) CMAP2 = 0; pmap_update_2pg( (vm_offset_t) CADDR1, (vm_offset_t) CADDR2); diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index d016355..6dbffd1 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -39,7 +39,7 @@ * SUCH DAMAGE. * * from: @(#)pmap.c 7.7 (Berkeley) 5/12/91 - * $Id: pmap.c,v 1.107 1996/06/25 00:39:21 dyson Exp $ + * $Id: pmap.c,v 1.108 1996/06/26 05:05:52 dyson Exp $ */ /* @@ -2087,11 +2087,8 @@ pmap_copy_page(src, dst) *(int *) CMAP1 = PG_V | PG_RW | (src & PG_FRAME); *(int *) CMAP2 = PG_V | PG_RW | (dst & PG_FRAME); -#if __GNUC__ > 1 - memcpy(CADDR2, CADDR1, PAGE_SIZE); -#else bcopy(CADDR1, CADDR2, PAGE_SIZE); -#endif + *(int *) CMAP1 = 0; *(int *) CMAP2 = 0; pmap_update_2pg( (vm_offset_t) CADDR1, (vm_offset_t) CADDR2); |
