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Code Issues Releases Activity

Undo the busy latch changes made in the previous revision. They broke

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some 386/387 systems.

Don't print the IRQ number twice in the boot diagnostics.
This commit is contained in:
Bruce Evans 1995-02-17 19:38:13 +00:00
parent a53227ff18
commit 390784fbeb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6535
3 changed files with 12 additions and 12 deletions
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8
sys/amd64/amd64/fpu.c
View File

@ -32,7 +32,7 @@
* SUCH DAMAGE.
*
* from: @(#)npx.c 7.2 (Berkeley) 5/12/91
* $Id: npx.c,v 1.17 1994/11/14 14:59:06 bde Exp $
* $Id: npx.c,v 1.18 1995/01/03 04:00:06 bde Exp $
*/
#include "npx.h"
@ -339,7 +339,7 @@ npxattach(dvp)
if (npx_ex16)
printf("INT 16 interface\n");
else if (npx_irq13)
printf("IRQ 13 interface\n");
; /* higher level has printed "irq 13" */
#if defined(MATH_EMULATE) || defined(GPL_MATH_EMULATE)
else if (npx_exists) {
printf("error reporting broken; using 387 emulator\n");
@ -444,9 +444,10 @@ npxintr(frame)
panic("npxintr from non-current process");
}
outb(0xf0, 0);
fnstsw(&curpcb->pcb_savefpu.sv_ex_sw);
fnclex();
outb(0xf0, 0);
fnop();
/*
* Pass exception to process.
@ -562,7 +563,6 @@ npxsave(addr)
stop_emulating();
fnsave(addr);
fnop();
outb(0xf0, 0);
start_emulating();
npxproc = NULL;
disable_intr();

8
sys/amd64/isa/npx.c
View File

@ -32,7 +32,7 @@
* SUCH DAMAGE.
*
* from: @(#)npx.c 7.2 (Berkeley) 5/12/91
* $Id: npx.c,v 1.17 1994/11/14 14:59:06 bde Exp $
* $Id: npx.c,v 1.18 1995/01/03 04:00:06 bde Exp $
*/
#include "npx.h"
@ -339,7 +339,7 @@ npxattach(dvp)
if (npx_ex16)
printf("INT 16 interface\n");
else if (npx_irq13)
printf("IRQ 13 interface\n");
; /* higher level has printed "irq 13" */
#if defined(MATH_EMULATE) || defined(GPL_MATH_EMULATE)
else if (npx_exists) {
printf("error reporting broken; using 387 emulator\n");
@ -444,9 +444,10 @@ npxintr(frame)
panic("npxintr from non-current process");
}
outb(0xf0, 0);
fnstsw(&curpcb->pcb_savefpu.sv_ex_sw);
fnclex();
outb(0xf0, 0);
fnop();
/*
* Pass exception to process.
@ -562,7 +563,6 @@ npxsave(addr)
stop_emulating();
fnsave(addr);
fnop();
outb(0xf0, 0);
start_emulating();
npxproc = NULL;
disable_intr();

8
sys/i386/isa/npx.c
View File

@ -32,7 +32,7 @@
* SUCH DAMAGE.
*
* from: @(#)npx.c 7.2 (Berkeley) 5/12/91
* $Id: npx.c,v 1.17 1994/11/14 14:59:06 bde Exp $
* $Id: npx.c,v 1.18 1995/01/03 04:00:06 bde Exp $
*/
#include "npx.h"
@ -339,7 +339,7 @@ npxattach(dvp)
if (npx_ex16)
printf("INT 16 interface\n");
else if (npx_irq13)
printf("IRQ 13 interface\n");
; /* higher level has printed "irq 13" */
#if defined(MATH_EMULATE) || defined(GPL_MATH_EMULATE)
else if (npx_exists) {
printf("error reporting broken; using 387 emulator\n");
@ -444,9 +444,10 @@ npxintr(frame)
panic("npxintr from non-current process");
}
outb(0xf0, 0);
fnstsw(&curpcb->pcb_savefpu.sv_ex_sw);
fnclex();
outb(0xf0, 0);
fnop();
/*
* Pass exception to process.
@ -562,7 +563,6 @@ npxsave(addr)
stop_emulating();
fnsave(addr);
fnop();
outb(0xf0, 0);
start_emulating();
npxproc = NULL;
disable_intr();