From a6a468f50d6a1fa20bcd023f286713d243f5025d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 7 Jul 2022 11:36:32 +0100 Subject: arm64/hwcap: Support FEAT_EBF16 The v9.2 feature FEAT_EBF16 provides support for an extended BFloat16 mode. Allow userspace to discover system support for this feature by adding a hwcap for it. Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas Link: https://lore.kernel.org/r/20220707103632.12745-4-broonie@kernel.org Signed-off-by: Will Deacon --- Documentation/arm64/elf_hwcaps.rst | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation/arm64') diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst index 3d116fb536c5..31fc10b833dd 100644 --- a/Documentation/arm64/elf_hwcaps.rst +++ b/Documentation/arm64/elf_hwcaps.rst @@ -301,6 +301,10 @@ HWCAP2_WFXT Functionality implied by ID_AA64ISAR2_EL1.WFXT == 0b0010. +HWCAP2_EBF16 + + Functionality implied by ID_AA64ISAR1_EL1.BF16 == 0b0010. + 4. Unused AT_HWCAP bits ----------------------- -- cgit v1.2.3