From: Andrew Jeffery <andrew@aj.id.au>
From the datasheet:
This register stores the current status of counter #N. When timer
enable bit TMC30[N * b] is disabled, the reload register will be
loaded into this counter. When timer bit TMC30[N * b] is set, the
counter will start to decrement. CPU can update this register value
when enable bit is set.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190618165311.27066-9-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/timer/aspeed_timer.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c
index 537f072cf87..8d6266b0fd8 100644
--- a/hw/timer/aspeed_timer.c
+++ b/hw/timer/aspeed_timer.c
@@ -187,7 +187,11 @@ static uint64_t aspeed_timer_get_value(AspeedTimer *t, int reg)
switch (reg) {
case TIMER_REG_STATUS:
- value = calculate_ticks(t, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+ if (timer_enabled(t)) {
+ value = calculate_ticks(t, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+ } else {
+ value = t->reload;
+ }
break;
case TIMER_REG_RELOAD:
value = t->reload;
--
2.20.1