arm64/debug: Mask off all reserved bits from generated ESR values
There are only 16 comment bits in a BRK instruction, which
correspond to ESR bits 15:0. Bits 24:16 of the ESR are RES0,
and might have weird meanings in the future.
This code inserts 16 bits of comment in the ESR value instead of
20 (almost certainly a typo in the original code).
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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