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Message-ID: <20240326080305.402382-2-ebiggers@kernel.org> Date: Tue, 26 Mar 2024 01:02:59 -0700 From: Eric Biggers <ebiggers@...nel.org> To: linux-crypto@...r.kernel.org, x86@...nel.org Cc: linux-kernel@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>, Andy Lutomirski <luto@...nel.org>, "Chang S . Bae" <chang.seok.bae@...el.com> Subject: [PATCH 1/6] x86: add kconfig symbols for assembler VAES and VPCLMULQDQ support From: Eric Biggers <ebiggers@...gle.com> Add config symbols AS_VAES and AS_VPCLMULQDQ that expose whether the assembler supports the vector AES and carryless multiplication cryptographic extensions. Signed-off-by: Eric Biggers <ebiggers@...gle.com> --- arch/x86/Kconfig.assembler | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/Kconfig.assembler b/arch/x86/Kconfig.assembler index 8ad41da301e5..59aedf32c4ea 100644 --- a/arch/x86/Kconfig.assembler +++ b/arch/x86/Kconfig.assembler @@ -23,9 +23,19 @@ config AS_TPAUSE config AS_GFNI def_bool $(as-instr,vgf2p8mulb %xmm0$(comma)%xmm1$(comma)%xmm2) help Supported by binutils >= 2.30 and LLVM integrated assembler +config AS_VAES + def_bool $(as-instr,vaesenc %ymm0$(comma)%ymm1$(comma)%ymm2) + help + Supported by binutils >= 2.30 and LLVM integrated assembler + +config AS_VPCLMULQDQ + def_bool $(as-instr,vpclmulqdq \$0x10$(comma)%ymm0$(comma)%ymm1$(comma)%ymm2) + help + Supported by binutils >= 2.30 and LLVM integrated assembler + config AS_WRUSS def_bool $(as-instr,wrussq %rax$(comma)(%rbx)) help Supported by binutils >= 2.31 and LLVM integrated assembler -- 2.44.0
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