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arm64/sve: Report FEAT_SVE_B16B16 to userspace
authorMark Brown <broonie@kernel.org>
Fri, 15 Sep 2023 12:18:06 +0000 (13:18 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 29 Sep 2023 14:56:17 +0000 (15:56 +0100)
commit5d5b4e8c2d9ec12a5cc013b82c1873cd387e0ddf
treef7705ca29fb1e96d692e1e69e2fbe56ab2dcfd42tree | snapshot
parent6465e260f48790807eef06b583b38ca9789b6072commit | diff
arm64/sve: Report FEAT_SVE_B16B16 to userspace

SVE 2.1 introduced a new feature FEAT_SVE_B16B16 which adds instructions
supporting the BFloat16 floating point format. Report this to userspace
through the ID registers and hwcap.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230915-arm64-zfr-b16b16-el0-v1-1-f9aba807bdb5@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arch/arm64/cpu-feature-registers.rst diff | blob | history
Documentation/arch/arm64/elf_hwcaps.rst diff | blob | history
arch/arm64/include/asm/hwcap.h diff | blob | history
arch/arm64/include/uapi/asm/hwcap.h diff | blob | history
arch/arm64/kernel/cpufeature.c diff | blob | history
arch/arm64/kernel/cpuinfo.c diff | blob | history
arch/arm64/tools/sysreg diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git