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Update pmap_copy_page to only map in the src readonly and only invalidate it after the copy, no need for it to flush the wb.

This commit is contained in:
chris 2002-03-24 18:05:45 +00:00
parent 24ec477a45
commit 434f6391ea
1 changed files with 4 additions and 4 deletions
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8
sys/arch/arm/arm32/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.64 2002/03/24 06:07:00 thorpej Exp $ */
/* $NetBSD: pmap.c,v 1.65 2002/03/24 18:05:45 chris Exp $ */
/*
* Copyright (c) 2002 Wasabi Systems, Inc.
@ -143,7 +143,7 @@
#include <machine/param.h>
#include <arm/arm32/katelib.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.64 2002/03/24 06:07:00 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.65 2002/03/24 18:05:45 chris Exp $");
#ifdef PMAP_DEBUG
#define PDEBUG(_lev_,_stat_) \
if (pmap_debug_level >= (_lev_)) \
@ -1912,13 +1912,13 @@ pmap_copy_page(src, dest)
* the cache for the appropriate page. Invalidate the TLB
* as required.
*/
*csrc_pte = L2_PTE(src & PG_FRAME, AP_KRW);
*csrc_pte = L2_PTE(src & PG_FRAME, AP_KR);
*cdst_pte = L2_PTE(dest & PG_FRAME, AP_KRW);
cpu_tlb_flushD_SE(csrcp);
cpu_tlb_flushD_SE(cdstp);
cpu_cpwait();
bcopy_page(csrcp, cdstp);
cpu_dcache_wbinv_range(csrcp, NBPG);
cpu_dcache_inv_range(csrcp, NBPG);
cpu_dcache_wbinv_range(cdstp, NBPG);
}