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if 0 out the parts of the code that allocated VM space per CPU for GDTs. 

Seperate GDTs are not used on amd64 because it doesn't need any seperate
descriptors per CPU.
This commit is contained in:
fvdl 2005-02-08 09:02:01 +00:00
parent af5309b07c
commit 6851058ed5
1 changed files with 14 additions and 2 deletions
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16
sys/arch/amd64/amd64/gdt.c
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@ -1,4 +1,4 @@
/* $NetBSD: gdt.c,v 1.5 2004/06/16 17:45:03 fvdl Exp $ */
/* $NetBSD: gdt.c,v 1.6 2005/02/08 09:02:01 fvdl Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
@ -44,7 +44,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.5 2004/06/16 17:45:03 fvdl Exp $");
__KERNEL_RCSID(0, "$NetBSD: gdt.c,v 1.6 2005/02/08 09:02:01 fvdl Exp $");
#include "opt_multiprocessor.h"
@ -103,17 +103,21 @@ set_mem_gdt(sd, base, limit, type, dpl, gran, def32, is64)
size_t limit;
int type, dpl, gran, def32, is64;
{
#if 0
CPU_INFO_ITERATOR cii;
struct cpu_info *ci;
int off;
#endif
set_mem_segment(sd, base, limit, type, dpl, gran, def32, is64);
#if 0
off = (char *)sd - gdtstore;
for (CPU_INFO_FOREACH(cii, ci)) {
if (ci->ci_gdt != NULL)
*(struct mem_segment_descriptor *)(ci->ci_gdt + off) =
*sd;
}
#endif
}
void
@ -123,17 +127,21 @@ set_sys_gdt(sd, base, limit, type, dpl, gran)
size_t limit;
int type, dpl, gran;
{
#if 0
CPU_INFO_ITERATOR cii;
struct cpu_info *ci;
int off;
#endif
set_sys_segment(sd, base, limit, type, dpl, gran);
#if 0
off = (char *)sd - gdtstore;
for (CPU_INFO_FOREACH(cii, ci)) {
if (ci->ci_gdt != NULL)
*(struct sys_segment_descriptor *)(ci->ci_gdt + off) =
*sd;
}
#endif
}
@ -182,12 +190,16 @@ gdt_init()
void
gdt_alloc_cpu(struct cpu_info *ci)
{
#if 0
ci->ci_gdt = (char *)uvm_km_valloc(kernel_map, MAXGDTSIZ);
uvm_map_pageable(kernel_map, (vaddr_t)ci->ci_gdt,
(vaddr_t)ci->ci_gdt + MINGDTSIZ, FALSE, FALSE);
memset(ci->ci_gdt, 0, MINGDTSIZ);
memcpy(ci->ci_gdt, gdtstore,
DYNSEL_START + gdt_dyncount * sizeof(struct sys_segment_descriptor));
#else
ci->ci_gdt = gdtstore;
#endif
}