ARM: 9272/1: vfp: Add hwcap for FEAT_AA32I8MM

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Int8 matrix multiplication (FEAT_AA32I8MM) is a feature present in AArch32 state for Armv8 and is represented by ISAR6.I8MM identification register.

This feature denotes the presence of VSMMLA, VSUDOT, VUMMLA, VUSMMLA and
VUSDOT instructions and hence adding a hwcap will enable the userspace
to check it before trying to use those instructions.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

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Amit Daniel Kachhap 2022-11-17 06:58:31 +01:00 • committed by Russell King (Oracle)

parent 23b6d4ad6e

commit 956ca3a4eb

3 changed files with 8 additions and 0 deletions

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1

arch/arm/include/uapi/asm/hwcap.h

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1

arch/arm/kernel/setup.c

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6

arch/arm/vfp/vfpmodule.c

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