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Don't map ebsabootinfo.bt_vargp if it is the same address as the vector page

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This commit is contained in:
matt 2014-04-02 11:36:50 +00:00
parent 7094c090fa
commit 48aa269482
1 changed files with 6 additions and 4 deletions
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10
sys/arch/cats/cats/cats_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: cats_machdep.c,v 1.77 2013/08/18 06:50:31 matt Exp $ */
/* $NetBSD: cats_machdep.c,v 1.78 2014/04/02 11:36:50 matt Exp $ */
/*
* Copyright (c) 1997,1998 Mark Brinicombe.
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cats_machdep.c,v 1.77 2013/08/18 06:50:31 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: cats_machdep.c,v 1.78 2014/04/02 11:36:50 matt Exp $");
#include "opt_ddb.h"
#include "opt_modular.h"
@ -622,8 +622,10 @@ initarm(void *arm_bootargs)
#endif
/* Map the boot arguments page */
pmap_map_entry(l1pagetable, ebsabootinfo.bt_vargp,
ebsabootinfo.bt_pargp, VM_PROT_READ, PTE_CACHE);
if (ebsabootinfo.bt_vargp != vector_page) {
pmap_map_entry(l1pagetable, ebsabootinfo.bt_vargp,
ebsabootinfo.bt_pargp, VM_PROT_READ, PTE_CACHE);
}
/* Map the stack pages */
pmap_map_chunk(l1pagetable, irqstack.pv_va, irqstack.pv_pa,