diff options
Diffstat (limited to 'sys/amd64/isa/vector.s')
| -rw-r--r-- | sys/amd64/isa/vector.s | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/amd64/isa/vector.s b/sys/amd64/isa/vector.s index 4e5037cb595c..1bc2324f62d9 100644 --- a/sys/amd64/isa/vector.s +++ b/sys/amd64/isa/vector.s @@ -1,11 +1,10 @@ /* * from: vector.s, 386BSD 0.1 unknown origin - * $Id: vector.s,v 1.8 1994/08/18 05:09:36 davidg Exp $ + * $Id: vector.s,v 1.9 1994/09/20 21:35:49 bde Exp $ */ -#include "i386/isa/icu.h" -#include "i386/isa/isa.h" -#include "vector.h" +#include <i386/isa/icu.h> +#include <i386/isa/isa.h> #define ICU_EOI 0x20 /* XXX - define elsewhere */ @@ -185,11 +184,13 @@ Xresume/**/irq_num: ; \ movl %eax,_cpl ; \ sti ; \ call *_intr_handler + (irq_num) * 4 ; \ + cli ; /* must unmask _imen and icu atomically */ \ movb _imen + IRQ_BYTE(irq_num),%al ; \ andb $~IRQ_BIT(irq_num),%al ; \ movb %al,_imen + IRQ_BYTE(irq_num) ; \ FASTER_NOP ; \ outb %al,$icu+1 ; \ + sti ; /* XXX _doreti repeats the cli/sti */ \ MEXITCOUNT ; \ /* We could usually avoid the following jmp by inlining some of */ \ /* _doreti, but it's probably better to use less cache. */ \ |