arm64: Add helper to decode register from instruction

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Add a helper to extract the register field from a given
instruction.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Suzuki K Poulose 2017-01-09 17:28:29 +00:00 • committed by Will Deacon

parent c9ee0f9866

commit 8c2dcbd2c4

2 changed files with 31 additions and 0 deletions

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2

arch/arm64/include/asm/insn.h

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29

arch/arm64/kernel/insn.c

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