arm64: Handle trapped DC CVADP

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The ARMv8.5 DC CVADP instruction may be trapped to EL1 via
SCTLR_EL1.UCI therefore let's provide a handler for it.

Just like the CVAP instruction we use a 'sys' instruction instead of
the 'dc' alias to avoid build issues with older toolchains.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Andrew Murray 2019-04-09 10:52:42 +01:00 • committed by Will Deacon

parent aec0bff757

commit d16ed4105f

2 changed files with 5 additions and 1 deletions

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3

arch/arm64/include/asm/esr.h

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3

arch/arm64/kernel/traps.c

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