Re: [PATCH V11 02/10] arm64/perf: Add BRBE registers and fields

From: Anshuman Khandual
Date: Tue Jun 13 2023 - 22:59:22 EST




On 6/13/23 21:57, Mark Rutland wrote:
> On Wed, May 31, 2023 at 09:34:20AM +0530, Anshuman Khandual wrote:
>> This adds BRBE related register definitions and various other related field
>> macros there in. These will be used subsequently in a BRBE driver which is
>> being added later on.
>>
>> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
>> Cc: Will Deacon <will@xxxxxxxxxx>
>> Cc: Marc Zyngier <maz@xxxxxxxxxx>
>> Cc: Mark Rutland <mark.rutland@xxxxxxx>
>> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
>> Cc: linux-kernel@xxxxxxxxxxxxxxx
>> Tested-by: James Clark <james.clark@xxxxxxx>
>> Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>
>> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
>> ---
>> arch/arm64/include/asm/sysreg.h | 103 +++++++++++++++++++++
>> arch/arm64/tools/sysreg | 159 ++++++++++++++++++++++++++++++++
>> 2 files changed, 262 insertions(+)
>
>> +SysregFields BRBINFx_EL1
>
>> +Enum 1:0 VALID
>> + 0b00 NONE
>> + 0b01 TARGET
>> + 0b10 SOURCE
>> + 0b11 FULL
>> +EndEnum
>
> This looks correct...
>
> [...]
>
>> +Sysreg BRBINFINJ_EL1 2 1 9 1 0
>
>> +Enum 1:0 VALID
>> + 0b00 NONE
>> + 0b01 TARGET
>> + 0b10 SOURCE
>> + 0b00 FULL
>> +EndEnum
>
> ... but this clearly isn't.

Fixed VALID_FULL as 0b11.