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Set up FPU state on the AP.

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Tested by:	phk
This commit is contained in:
Peter Wemm 1999-09-05 20:17:40 +00:00
parent 1389c7307f
commit 05385ecdf7
7 changed files with 28 additions and 0 deletions
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4
sys/amd64/amd64/mp_machdep.c
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/amd64/amd64/mptable.c
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/amd64/include/mptable.h
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/i386/i386/mp_machdep.c
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/i386/i386/mptable.c
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/i386/include/mptable.h
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {

4
sys/kern/subr_smp.c
View File

@ -72,6 +72,7 @@
#include <machine/tss.h>
#include <machine/specialreg.h>
#include <machine/cputypes.h>
#include <machine/cputypes.h>
#include <machine/globaldata.h>
#if defined(APIC_IO)
@ -2189,6 +2190,9 @@ ap_init()
/* XXX FIXME: i386 specific, and redundant: Setup the FPU. */
load_cr0((rcr0() & ~CR0_EM) | CR0_MP | CR0_NE | CR0_TS);
/* set up FPU state on the AP */
npxinit(__INITIAL_NPXCW__);
/* A quick check from sanity claus */
apic_id = (apic_id_to_logical[(lapic.id & 0x0f000000) >> 24]);
if (cpuid != apic_id) {