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| author | Alex Bennée | 2015-04-01 18:57:30 +0200 |
|---|---|---|
| committer | Peter Maydell | 2015-04-01 18:57:30 +0200 |
| commit | 74fdb781c19ef4b781cb6fda48f1f9ebd11257fe (patch) | |
| tree | b59a4d89e90762a140b356879c49d1cbd64b7ddf | |
| parent | target-arm: kvm: save/restore mp state (diff) | |
| download | qemu-74fdb781c19ef4b781cb6fda48f1f9ebd11257fe.tar.gz qemu-74fdb781c19ef4b781cb6fda48f1f9ebd11257fe.tar.xz qemu-74fdb781c19ef4b781cb6fda48f1f9ebd11257fe.zip | |
hw/intc: arm_gic_kvm.c restore config first
As there is logic to deal with the difference between edge and level
triggered interrupts in the kernel we must ensure it knows the
configuration of the IRQs before we restore the pending state.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/intc/arm_gic_kvm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c index 0d207508a0..e1952ad974 100644 --- a/hw/intc/arm_gic_kvm.c +++ b/hw/intc/arm_gic_kvm.c @@ -370,6 +370,11 @@ static void kvm_arm_gic_put(GICState *s) * the appropriate CPU interfaces in the kernel) */ kvm_dist_put(s, 0x800, 8, s->num_irq, translate_targets); + /* irq_state[n].trigger -> GICD_ICFGRn + * (restore configuration registers before pending IRQs so we treat + * level/edge correctly) */ + kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger); + /* irq_state[n].pending + irq_state[n].level -> GICD_ISPENDRn */ kvm_dist_put(s, 0x280, 1, s->num_irq, translate_clear); kvm_dist_put(s, 0x200, 1, s->num_irq, translate_pending); @@ -378,8 +383,6 @@ static void kvm_arm_gic_put(GICState *s) kvm_dist_put(s, 0x380, 1, s->num_irq, translate_clear); kvm_dist_put(s, 0x300, 1, s->num_irq, translate_active); - /* irq_state[n].trigger -> GICD_ICFRn */ - kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger); /* s->priorityX[irq] -> ICD_IPRIORITYRn */ kvm_dist_put(s, 0x400, 8, s->num_irq, translate_priority); |