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[Qemu-devel] [PULL 03/11] hw/timer/cmsdk-apb-timer: Correct ptimer polic
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 03/11] hw/timer/cmsdk-apb-timer: Correct ptimer policy settings |
Date: |
Mon, 9 Jul 2018 14:54:27 +0100 |
The CMSDK timer interrupt triggers when the counter goes from 1 to 0,
so we want to trigger immediately, rather than waiting for a
clock cycle. Drop the incorrect NO_IMMEDIATE_TRIGGER setting.
We also do not want to get an interrupt if the guest sets the
counter directly to zero, so use the new TRIGGER_ONLY_ON_DECREMENT
policy.
Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Tested-by: Guenter Roeck <address@hidden>
Message-id: address@hidden
---
hw/timer/cmsdk-apb-timer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/timer/cmsdk-apb-timer.c b/hw/timer/cmsdk-apb-timer.c
index 9878746609a..1f99081db1a 100644
--- a/hw/timer/cmsdk-apb-timer.c
+++ b/hw/timer/cmsdk-apb-timer.c
@@ -201,7 +201,7 @@ static void cmsdk_apb_timer_realize(DeviceState *dev, Error
**errp)
bh = qemu_bh_new(cmsdk_apb_timer_tick, s);
s->timer = ptimer_init(bh,
PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD |
- PTIMER_POLICY_NO_IMMEDIATE_TRIGGER |
+ PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT |
PTIMER_POLICY_NO_IMMEDIATE_RELOAD |
PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
--
2.17.1
- [Qemu-devel] [PULL 00/11] target-arm queue, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 03/11] hw/timer/cmsdk-apb-timer: Correct ptimer policy settings,
Peter Maydell <=
- [Qemu-devel] [PULL 02/11] ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 01/11] hw/arm/smmu-common: Fix devfn computation in smmu_iommu_mr, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 04/11] hw/timer/cmsdk-apb-timer: Correctly identify and set one-shot mode, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 05/11] hw/timer/cmsdk-apb-timer: run or stop timer on writes to RELOAD and VALUE, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 06/11] target/arm: Suppress Coverity warning for PRF, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 07/11] tcg: Restrict check_size_impl to multiples of the line size, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 10/11] boards.h: Remove doc comment reference to nonexistent function, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 08/11] target/arm: Fix do_predset for large VL, Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 11/11] hw/net/dp8393x: don't make prom region 'nomigrate', Peter Maydell, 2018/07/09
- [Qemu-devel] [PULL 09/11] hw/sd/omap_mmc: Split 'pseudo-reset' from 'power-on-reset', Peter Maydell, 2018/07/09