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

Anshuman Khandual anshuman.khandual at arm.com
Tue Jun 13 19:59:10 PDT 2023



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 at arm.com>
>> Cc: Will Deacon <will at kernel.org>
>> Cc: Marc Zyngier <maz at kernel.org>
>> Cc: Mark Rutland <mark.rutland at arm.com>
>> Cc: linux-arm-kernel at lists.infradead.org
>> Cc: linux-kernel at vger.kernel.org
>> Tested-by: James Clark <james.clark at arm.com>
>> Reviewed-by: Mark Brown <broonie at kernel.org>
>> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
>> ---
>>  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.



More information about the linux-arm-kernel mailing list