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Code Issues Releases Activity

The APs now reload the interrupt descriptor table pointer after

Browse Source 
f00f_hack has run.

Use the global r_idt descriptor in f00f_hack when in SMP mode,
so the APs find the relocated interrupt descriptor table.

Submitted by:	Partially from David A Adkins <adkin003@tc.umn.edu>
This commit is contained in:
Tor Egge 1998-03-07 20:16:49 +00:00
parent 1ab7c6cc77
commit 1146c3560f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=34197
9 changed files with 48 additions and 9 deletions
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4
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 1.290 1998/03/02 05:47:50 peter Exp $
* $Id: machdep.c,v 1.291 1998/03/05 19:37:03 tegge Exp $
*/
#include "apm.h"
@ -1569,7 +1569,9 @@ SYSINIT(f00f_hack, SI_SUB_INTRINSIC, SI_ORDER_FIRST, f00f_hack, NULL);
static void
f00f_hack(void *unused) {
#ifndef SMP
struct region_descriptor r_idt;
#endif
vm_offset_t tmp;
int i;

7
sys/amd64/amd64/mp_machdep.c
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

7
sys/amd64/amd64/mptable.c
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

7
sys/amd64/include/mptable.h
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

4
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 1.290 1998/03/02 05:47:50 peter Exp $
* $Id: machdep.c,v 1.291 1998/03/05 19:37:03 tegge Exp $
*/
#include "apm.h"
@ -1569,7 +1569,9 @@ SYSINIT(f00f_hack, SI_SUB_INTRINSIC, SI_ORDER_FIRST, f00f_hack, NULL);
static void
f00f_hack(void *unused) {
#ifndef SMP
struct region_descriptor r_idt;
#endif
vm_offset_t tmp;
int i;

7
sys/i386/i386/mp_machdep.c
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

7
sys/i386/i386/mptable.c
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

7
sys/i386/include/mptable.h
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);

7
sys/kern/subr_smp.c
View File

@ -22,11 +22,12 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mp_machdep.c,v 1.68 1998/03/03 20:55:25 tegge Exp $
* $Id: mp_machdep.c,v 1.69 1998/03/03 22:56:24 tegge Exp $
*/
#include "opt_smp.h"
#include "opt_vm86.h"
#include "opt_cpu.h"
#ifdef SMP
#include <machine/smptests.h>
@ -2056,6 +2057,10 @@ ap_init()
smp_cpus++;
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
lidt(&r_idt);
#endif
/* Build our map of 'other' CPUs. */
other_cpus = all_cpus & ~(1 << cpuid);