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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>
This commit is contained in:
Alex Bennée 2015-04-01 17:57:30 +01:00 committed by Peter Maydell
parent 1a1753f747
commit 74fdb781c1
1 changed files with 5 additions and 2 deletions
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7
hw/intc/arm_gic_kvm.c
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@ -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);