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Some TX39 I/O region lies over 512MByte. KSEG2IOBUFSIZE reserves PTE to map there.

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This commit is contained in:
uch 1999-11-29 11:14:49 +00:00
parent 8b01b15437
commit 878e985d08
1 changed files with 5 additions and 2 deletions
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7
sys/arch/mips/mips/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.78 1999/11/13 23:16:39 mhitch Exp $ */
/* $NetBSD: pmap.c,v 1.79 1999/11/29 11:14:49 uch Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -78,7 +78,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.78 1999/11/13 23:16:39 mhitch Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.79 1999/11/29 11:14:49 uch Exp $");
/*
* Manages physical address maps.
@ -266,6 +266,9 @@ pmap_bootstrap()
#ifdef SYSVSHM
Sysmapsize += shminfo.shmall;
#endif
#ifdef KSEG2IOBUFSIZE
Sysmapsize += (KSEG2IOBUFSIZE >> PGSHIFT);
#endif
Sysmap = (pt_entry_t *)
pmap_steal_memory(sizeof(pt_entry_t) * Sysmapsize, NULL, NULL);