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Add a required __UNVOLATILE() around argument to memcpy() / memset().

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This commit is contained in:
he 2007-03-07 11:49:00 +00:00
parent fc4b2491b2
commit e651aa0bfe
1 changed files with 5 additions and 5 deletions
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10
sys/arch/evbppc/explora/dev/le_elb.c
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@ -1,4 +1,4 @@
/* $NetBSD: le_elb.c,v 1.5 2007/03/04 05:59:46 christos Exp $ */
/* $NetBSD: le_elb.c,v 1.6 2007/03/07 11:49:00 he Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: le_elb.c,v 1.5 2007/03/04 05:59:46 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: le_elb.c,v 1.6 2007/03/07 11:49:00 he Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@ -269,7 +269,7 @@ le_copytobuf(struct lance_softc *sc, void *from, int boff, int len)
struct le_elb_softc *msc = (struct le_elb_softc *)sc;
volatile void *buf = (void *)((u_char *)sc->sc_mem+boff);
memcpy(buf, from, len);
memcpy(__UNVOLATILE(buf), from, len);
bus_dmamap_sync(msc->sc_dmat, msc->sc_dmam, boff, len,
BUS_DMASYNC_PREWRITE);
@ -287,7 +287,7 @@ le_copyfrombuf(struct lance_softc *sc, void *to, int boff, int len)
bus_dmamap_sync(msc->sc_dmat, msc->sc_dmam, boff, len,
BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
memcpy(to, buf, len);
memcpy(to, __UNVOLATILE(buf), len);
}
/*
@ -299,7 +299,7 @@ le_zerobuf(struct lance_softc *sc, int boff, int len)
struct le_elb_softc *msc = (struct le_elb_softc *)sc;
volatile void *buf = (void *)((u_char *)sc->sc_mem+boff);
memset(buf, 0, len);
memset(__UNVOLATILE(buf), 0, len);
bus_dmamap_sync(msc->sc_dmat, msc->sc_dmam, boff, len,
BUS_DMASYNC_PREWRITE);