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Save common_tssd before it's loaded and the busy bit set.

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Submitted by:	bde
This commit is contained in:
Luoqi Chen 1999-06-28 15:34:54 +00:00
parent 72283ee95d
commit bc3101cc77
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=48327
2 changed files with 6 additions and 6 deletions
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6
sys/amd64/amd64/machdep.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.343 1999/06/24 20:47:11 jlemon Exp $
* $Id: machdep.c,v 1.344 1999/06/24 20:53:24 jlemon Exp $
*/
#include "apm.h"
@ -1641,12 +1641,12 @@ init386(first)
/* make an initial tss so cpu can get interrupt stack on syscall! */
common_tss.tss_esp0 = (int) proc0.p_addr + UPAGES*PAGE_SIZE - 16;
common_tss.tss_ss0 = GSEL(GDATA_SEL, SEL_KPL) ;
common_tss.tss_ioopt = (sizeof common_tss) << 16;
gsel_tss = GSEL(GPROC0_SEL, SEL_KPL);
ltr(gsel_tss);
private_tss = 0;
tss_gdt = &gdt[GPROC0_SEL].sd;
common_tssd = *tss_gdt;
common_tss.tss_ioopt = (sizeof common_tss) << 16;
ltr(gsel_tss);
dblfault_tss.tss_esp = dblfault_tss.tss_esp0 = dblfault_tss.tss_esp1 =
dblfault_tss.tss_esp2 = (int) &dblfault_stack[sizeof(dblfault_stack)];

6
sys/i386/i386/machdep.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.343 1999/06/24 20:47:11 jlemon Exp $
* $Id: machdep.c,v 1.344 1999/06/24 20:53:24 jlemon Exp $
*/
#include "apm.h"
@ -1641,12 +1641,12 @@ init386(first)
/* make an initial tss so cpu can get interrupt stack on syscall! */
common_tss.tss_esp0 = (int) proc0.p_addr + UPAGES*PAGE_SIZE - 16;
common_tss.tss_ss0 = GSEL(GDATA_SEL, SEL_KPL) ;
common_tss.tss_ioopt = (sizeof common_tss) << 16;
gsel_tss = GSEL(GPROC0_SEL, SEL_KPL);
ltr(gsel_tss);
private_tss = 0;
tss_gdt = &gdt[GPROC0_SEL].sd;
common_tssd = *tss_gdt;
common_tss.tss_ioopt = (sizeof common_tss) << 16;
ltr(gsel_tss);
dblfault_tss.tss_esp = dblfault_tss.tss_esp0 = dblfault_tss.tss_esp1 =
dblfault_tss.tss_esp2 = (int) &dblfault_stack[sizeof(dblfault_stack)];