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Set a 4G limit on the per-CPU segment (quicker for the MMU, and no reason

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to limit it).
This commit is contained in:
ad 2007-11-14 14:44:14 +00:00
parent cf71912f31
commit ffb0a621fe
1 changed files with 4 additions and 4 deletions
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8
sys/arch/i386/i386/gdt.c
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@ -1,4 +1,4 @@
/* $NetBSD: gdt.c,v 1.41 2007/10/17 19:54:45 garbled Exp $ */
/* $NetBSD: gdt.c,v 1.42 2007/11/14 14:44:14 ad Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.41 2007/10/17 19:54:45 garbled Exp $");
__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.42 2007/11/14 14:44:14 ad Exp $");
#include "opt_multiprocessor.h"
@ -139,7 +139,7 @@ gdt_init()
pmap_update(pmap_kernel());
memcpy(gdt, old_gdt, NGDT * sizeof(gdt[0]));
ci->ci_gdt = gdt;
setsegment(&ci->ci_gdt[GCPU_SEL].sd, ci, sizeof(struct cpu_info)-1,
setsegment(&ci->ci_gdt[GCPU_SEL].sd, ci, 0xfffff,
SDT_MEMRWA, SEL_KPL, 1, 1);
gdt_init_cpu(ci);
@ -170,7 +170,7 @@ gdt_alloc_cpu(struct cpu_info *ci)
pmap_update(pmap_kernel());
memset(ci->ci_gdt, 0, min_len);
memcpy(ci->ci_gdt, gdt, gdt_count * sizeof(gdt[0]));
setsegment(&ci->ci_gdt[GCPU_SEL].sd, ci, sizeof(struct cpu_info)-1,
setsegment(&ci->ci_gdt[GCPU_SEL].sd, ci, 0xfffff,
SDT_MEMRWA, SEL_KPL, 1, 1);
}