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arm64: insn: Add helpers for adrp offsets
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Fri, 9 Sep 2016 13:07:12 +0000 (14:07 +0100)
committerWill Deacon <will.deacon@arm.com>
Fri, 9 Sep 2016 14:03:28 +0000 (15:03 +0100)
commit46084bc253e1acdd6c47846e91fc20f4ab4f1fec
tree097e051f725f1bbdb6744172b9ad0041e797a92etree | snapshot (tar.gz zip)
parentbaa763b565386b1383b87b6fb76e72db84a0ff16commit | diff
arm64: insn: Add helpers for adrp offsets

Adds helpers for decoding/encoding the PC relative addresses for adrp.
This will be used for handling dynamic patching of 'adrp' instructions
in alternative code patching.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/include/asm/insn.h diff | blob | blame | history
arch/arm64/kernel/insn.c diff | blob | blame | history