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Add INTRUNMASK().

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This commit is contained in:
mycroft 1994-10-01 03:37:37 +00:00
parent 4ca862ca1d
commit c25a6980ac
1 changed files with 5 additions and 4 deletions
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9
sys/arch/i386/isa/icu.h
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)icu.h 5.6 (Berkeley) 5/9/91
* $Id: icu.h,v 1.13 1994/04/07 06:50:35 mycroft Exp $
* $Id: icu.h,v 1.14 1994/10/01 03:37:37 mycroft Exp $
*/
/*
@ -52,9 +52,10 @@
*/
extern unsigned imen; /* interrupt mask enable */
#define INTREN(s) do{imen &= ~(s); SET_ICUS();}while(0)
#define INTRDIS(s) do{imen |= (s); SET_ICUS();}while(0)
#define INTRMASK(msk,s) (msk |= (s))
#define INTRUNMASK(msk,s) (msk &= ~(s))
#define INTREN(s) (INTRUNMASK(imen, s), SET_ICUS())
#define INTRMASK(msk,s) (msk |= (s))
#define INTRDIS(s) (INTRMASK(imen, s), SET_ICUS())
#if 0
#define SET_ICUS() do{outb(IO_ICU1 + 1, imen); outb(IU_ICU2 + 1, imen >> 8);}while(0)
#else