artulab.com Git - openbsd/commit

author	kettenis <kettenis@openbsd.org>
	Wed, 17 Feb 2021 12:11:44 +0000 (12:11 +0000)
committer	kettenis <kettenis@openbsd.org>
	Wed, 17 Feb 2021 12:11:44 +0000 (12:11 +0000)
commit	adc7c282072bd0a8067bf9fbcf42318cb4ad7921
tree	453b091130234f5702d87e8415681543f119035f	tree \| snapshot
parent	759f3dcf720c26bb811f0250fa503b2a2e43a98f	commit \| diff

Add support for FIQs. We need these to support agtimer(4) on Apple M1 SoCs
since its interrupts seem to be hardwared to trigger an FIQ instead of an
IRQ. This means we need to manipulate both the F and the I bit in the
DAIF register when enabling and disabling interrupts.

ok patrick@

OpenBSD src

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by Ahmet Artu Yildirim

sys/arch/arm64/arm64/exception.S		diff \| blob \| history
sys/arch/arm64/arm64/intr.c		diff \| blob \| history
sys/arch/arm64/arm64/trampoline.S		diff \| blob \| history
sys/arch/arm64/dev/agintc.c		diff \| blob \| history
sys/arch/arm64/dev/ampintc.c		diff \| blob \| history
sys/arch/arm64/dev/bcm2836_intr.c		diff \| blob \| history
sys/arch/arm64/include/cpu.h		diff \| blob \| history
sys/arch/arm64/include/intr.h		diff \| blob \| history
sys/arch/arm64/include/profile.h		diff \| blob \| history