arm64: Add macro to compose a sysreg field value

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A common idiom is to compose a tupple (reg, field, val) into
a symbol matching an autogenerated definition.

Add a help performing the concatenation and replace it when
open-coded implementations exist.

Suggested-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20240122181344.258974-2-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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Marc Zyngier 2024-01-22 18:13:35 +00:00 • committed by Oliver Upton

parent 6613476e22

commit 53eaeb7fbe

2 changed files with 6 additions and 2 deletions

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5

arch/arm64/include/asm/sysreg.h

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3

arch/arm64/kvm/sys_regs.c

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