68302 IMR init

[Joel Sherrill]

Was there ever any feedback on this?  I am curious if it is needed
or not.

--joel

Antti P Miettinen wrote:
> 
> Is there a reason for the clock driver just setting IMR, not ORing the
> TIMER1 bit into IMR? I'm trying to make ^C work for the debugger stub
> so I have to enable interrupts for a SCC but the clock driver as it is
> now masks the SCC interrupt.
> 
> --- c/src/lib/libbsp/m68k/gen68302/clock/ckinit.c~      Tue Jan 11 19:34:20 2000
> +++ c/src/lib/libbsp/m68k/gen68302/clock/ckinit.c       Mon Aug  7 23:52:17 2000
> @@ -93,7 +93,7 @@
>    /*
>     * Enable TIMER1 interrupts only.
>     */
> -  m302.reg.imr  = RBIT_IMR_TIMER1;     /* set 68302 int-mask to allow ints */
> +  m302.reg.imr |= RBIT_IMR_TIMER1;     /* set 68302 int-mask to allow ints */
> 
>    atexit( Clock_exit );
>  }
> 
> --- c/src/lib/libbsp/m68k/ods68302/clock/ckinit.c~      Tue Jan 11 19:34:20 2000
> +++ c/src/lib/libbsp/m68k/ods68302/clock/ckinit.c       Mon Aug  7 23:54:08 2000
> @@ -94,7 +94,7 @@
>    /*
>     * Enable TIMER1 interrupts only.
>     */
> -  m302.reg.imr  = RBIT_IMR_TIMER1;     /* set 68302 int-mask to allow ints */
> +  m302.reg.imr |= RBIT_IMR_TIMER1;     /* set 68302 int-mask to allow ints */
> 
>    atexit( Clock_exit );
>  }

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
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