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Fix the interrupt mask generated for enabling/disabling interrupts 8 to 15.

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This commit is contained in:
Paul Richards 1998-10-25 01:30:16 +00:00
parent e74e8b8b23
commit a57faa7b13
1 changed files with 3 additions and 3 deletions
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6
sys/alpha/isa/isa.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: isa.c,v 1.3 1998/08/10 07:53:59 dfr Exp $
* $Id: isa.c,v 1.4 1998/09/16 08:23:51 dfr Exp $
*/
#include <sys/param.h>
@ -130,7 +130,7 @@ isa_intr_enable(int irq)
if (irq < 8)
outb(IO_ICU1+1, inb(IO_ICU1+1) & ~(1 << irq));
else
outb(IO_ICU2+1, inb(IO_ICU2+1) & ~(1 << irq));
outb(IO_ICU2+1, inb(IO_ICU2+1) & ~(1 << (irq - 8)));
splx(s);
}
@ -141,7 +141,7 @@ isa_intr_disable(int irq)
if (irq < 8)
outb(IO_ICU1+1, inb(IO_ICU1+1) | (1 << irq));
else
outb(IO_ICU2+1, inb(IO_ICU2+1) | (1 << irq));
outb(IO_ICU2+1, inb(IO_ICU2+1) | (1 << (irq - 8)));
splx(s);
}