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hw/misc: In STM32L4x5 EXTI, correct configurable interrupts

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The implementation of configurable interrupts (interrupts supporting
edge selection) was incorrectly expecting alternating input levels :
this commits adds a new status field `irq_levels` to actually detect
edges.

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240629110800.539969-2-ines.varhol@telecom-paris.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Inès Varhol 2024-06-29 13:07:08 +02:00 • committed by Peter Maydell
parent 7d9b3c34f3
commit 9c4887e3b6
2 changed files with 15 additions and 15 deletions
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2
include/hw/misc/stm32l4x5_exti.h
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@ -45,6 +45,8 @@ struct Stm32l4x5ExtiState {
uint32_t swier[EXTI_NUM_REGISTER];
uint32_t pr[EXTI_NUM_REGISTER];
/* used for edge detection */
uint32_t irq_levels[EXTI_NUM_REGISTER];
qemu_irq irq[EXTI_NUM_INTERRUPT_OUT_LINES];
};