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sun4v: Fix calculation of mmu data fault address (pointer arithmetic)

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This commit is contained in:
palle 2017-02-11 23:41:36 +00:00
parent 9eb2b4b14d
commit c647103f61
1 changed files with 4 additions and 4 deletions
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8
sys/arch/sparc64/sparc64/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.186 2017/02/11 21:04:29 christos Exp $ */ /* $NetBSD: trap.c,v 1.187 2017/02/11 23:41:36 palle Exp $ */
/* /*
* Copyright (c) 1996-2002 Eduardo Horvath. All rights reserved. * Copyright (c) 1996-2002 Eduardo Horvath. All rights reserved.
@ -50,7 +50,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.186 2017/02/11 21:04:29 christos Exp $"); __KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.187 2017/02/11 23:41:36 palle Exp $");
#include "opt_ddb.h" #include "opt_ddb.h"
#include "opt_multiprocessor.h" #include "opt_multiprocessor.h"
@ -738,8 +738,8 @@ badtrap:
if (dsfsr & SFSR_FV) if (dsfsr & SFSR_FV)
dsfar = ldxa(SFAR, ASI_DMMU); dsfar = ldxa(SFAR, ASI_DMMU);
} else { } else {
paddr_t mmu_fsa_dfa = cpus->ci_mmufsa paddr_t mmu_fsa_dfa = cpus->ci_mmufsa +
+ offsetof(struct mmufsa, dfa); (offsetof(struct mmufsa, dfa) / sizeof(paddr_t));
dsfar = ldxa(mmu_fsa_dfa, ASI_PHYS_CACHED); dsfar = ldxa(mmu_fsa_dfa, ASI_PHYS_CACHED);
} }
#ifdef DEBUG #ifdef DEBUG