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-/* timer_isr()
- *
- * This routine provides the ISR for the Z8036 timer on the MVME136
- * board. The timer is set up to generate an interrupt at maximum
- * intervals.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
- * On-Line Applications Research Corporation (OAR).
- * All rights assigned to U.S. Government, 1994.
- *
- * This material may be reproduced by or for the U.S. Government pursuant
- * to the copyright license under the clause at DFARS 252.227-7013. This
- * notice must appear in all copies of this file and its derivatives.
- *
- * Modifications of respective RTEMS file: COPYRIGHT (c) 1994.
- * EISCAT Scientific Association. M.Savitski
- *
- * This material is a part of the MVME162 Board Support Package
- * for the RTEMS executive. Its licensing policies are those of the
- * RTEMS above.
- *
- * $Id$
- */
-
-#include "asm.h"
-
-BEGIN_CODE
-
-.set INTR_CLEAR_REG, 0xfff40074 | interrupt clear register
-.set RELOAD, 0x01000000 | clear tick 1 interrupt
-
- PUBLIC (timerisr)
-SYM (timerisr):
- move.l a0, -(a7) | save a0
- movea.l #INTR_CLEAR_REG, a0 | a0 = addr of cmd status reg
- ori.l #RELOAD, (a0) | reload countdown
- addq.l #1, SYM (Ttimer_val) | increment timer value
- move.l (a7)+, a0 | restore a0
- rte
-
-END_CODE
-END