Commit a7ffaf5c authored Jul 06, 2015 by Johannes Schlatow Committed by Peter Maydell Jul 06, 2015

Fix interval interrupt of cadence ttc when timer is in decrement mode

The interval interrupt is not set if the timer is in decrement mode.
This is because x >=0 and x < interval after leaving the while-loop.

Signed-off-by: Johannes Schlatow <schlatow@ida.ing.tu-bs.de>
Message-id: 20150630135821.51f3b4fd@johanness-latitude
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

parent 2a6332d9

hw/timer/cadence_ttc.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -208,15 +208,14 @@ static void cadence_timer_sync(CadenceTimerState *s)
		s->reg_intr \|= (2 << i);
		}
		}
		if ((x < 0) \|\| (x >= interval)) {
		s->reg_intr \|= (s->reg_count & COUNTER_CTRL_INT) ?
		COUNTER_INTR_IV : COUNTER_INTR_OV;
		}
		while (x < 0) {
		x += interval;
		}
		s->reg_value = (uint32_t)(x % interval);

		if (s->reg_value != x) {
		s->reg_intr \|= (s->reg_count & COUNTER_CTRL_INT) ?
		COUNTER_INTR_IV : COUNTER_INTR_OV;
		}
		cadence_timer_update(s);
		}