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

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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
}