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commit 40a60caa1136c7333c05e733518eaa83fa209f58
Author: Damien Zammit <dam...@zamaudio.com>
Date: Sat Jul 19 07:46:11 2025 +0000
interrupt.S: Change interrupt EOI strategy
We now have a different strategy for EOI depending on trigger mode:
For edge triggered, the behaviour is unchanged; the eoi comes
before the handler so we don't miss interrupts.
For level triggered, the eoi comes after the handler since the high
interrupt line will trigger the interrupt again and stack up, before we mask
it in queue_intr (and we don't risk missing interrupts).
Message-ID: <20250719074547.288203-1-dam...@zamaudio.com>
-----------------------------------------------------------------------
Summary of changes:
device/intr.c | 14 ++++++++++----
i386/i386at/interrupt.S | 16 ++++++++++++++++
x86_64/interrupt.S | 16 ++++++++++++++++
3 files changed, 42 insertions(+), 4 deletions(-)
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