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Add DIAGNOSTIC in iommu_dvmamap_load if pmap_extract fails.

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This commit is contained in:
petrov 2004-06-03 06:17:05 +00:00
parent da48f9805b
commit 9b8bcb0518
1 changed files with 5 additions and 2 deletions
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7
sys/arch/sparc64/dev/iommu.c
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@ -1,4 +1,4 @@
/* $NetBSD: iommu.c,v 1.73 2004/03/22 12:20:52 nakayama Exp $ */
/* $NetBSD: iommu.c,v 1.74 2004/06/03 06:17:05 petrov Exp $ */
/*
* Copyright (c) 2001, 2002 Eduardo Horvath
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.73 2004/03/22 12:20:52 nakayama Exp $");
__KERNEL_RCSID(0, "$NetBSD: iommu.c,v 1.74 2004/06/03 06:17:05 petrov Exp $");
#include "opt_ddb.h"
@ -545,6 +545,9 @@ iommu_dvmamap_load(t, sb, map, buf, buflen, p, flags)
* Get the physical address for this page.
*/
if (pmap_extract(pmap, (vaddr_t)vaddr, &curaddr) == FALSE) {
#ifdef DIAGNOSTIC
printf("iommu_dvmamap_load: pmap_extract failed %lx\n", vaddr);
#endif
bus_dmamap_unload(t, map);
return (-1);
}