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banners=-,-,- X-VirusChecked: Checked Received: (qmail 31252 invoked from network); 10 Nov 2017 10:37:25 -0000 Received: from mga07.intel.com (HELO mga07.intel.com) (134.134.136.100) by server-14.tower-31.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 10 Nov 2017 10:37:25 -0000 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP; 10 Nov 2017 02:37:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.44,373,1505804400"; d="scan'208"; a="1242449616" Received: from yangzhon-virtual.bj.intel.com ([10.238.145.49]) by fmsmga002.fm.intel.com with ESMTP; 10 Nov 2017 02:37:22 -0800 From: Yang Zhong To: xen-devel@lists.xen.org Date: Fri, 10 Nov 2017 18:36:33 +0800 Message-Id: <1510310196-6485-2-git-send-email-yang.zhong@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1510310196-6485-1-git-send-email-yang.zhong@intel.com> References: <1510310196-6485-1-git-send-email-yang.zhong@intel.com> Cc: yang.zhong@intel.com, andrew.cooper3@citrix.com, JBeulich@suse.com Subject: [Xen-devel] [PATCH v3 1/4] x86emul: Support GFNI insns X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yang Zhong --- xen/arch/x86/x86_emulate/x86_emulate.c | 22 ++++++++++++++++++++++ xen/include/asm-x86/cpufeature.h | 3 +++ 2 files changed, 25 insertions(+) diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c index 54a2756..c207f61 100644 --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -385,6 +385,7 @@ static const struct { [0x40] = { .simd_size = simd_packed_int }, [0x41] = { .simd_size = simd_packed_int, .two_op = 1 }, [0xc8 ... 0xcd] = { .simd_size = simd_other }, + [0xcf] = { .simd_size = simd_other }, [0xdb] = { .simd_size = simd_packed_int, .two_op = 1 }, [0xdc ... 0xdf] = { .simd_size = simd_packed_int }, [0xf0] = { .two_op = 1 }, @@ -421,6 +422,7 @@ static const struct { [0x4c] = { .simd_size = simd_packed_int, .four_op = 1 }, [0x60 ... 0x63] = { .simd_size = simd_packed_int, .two_op = 1 }, [0xcc] = { .simd_size = simd_other }, + [0xce ... 0xcf] = { .simd_size = simd_other }, [0xdf] = { .simd_size = simd_packed_int, .two_op = 1 }, [0xf0] = {}, }; @@ -1623,6 +1625,7 @@ static bool vcpu_has( #define vcpu_has_clflushopt() vcpu_has( 7, EBX, 23, ctxt, ops) #define vcpu_has_clwb() vcpu_has( 7, EBX, 24, ctxt, ops) #define vcpu_has_sha() vcpu_has( 7, EBX, 29, ctxt, ops) +#define vcpu_has_gfni() vcpu_has( 7, ECX, 8, ctxt, ops) #define vcpu_has_rdpid() vcpu_has( 7, ECX, 22, ctxt, ops) #define vcpu_has_clzero() vcpu_has(0x80000008, EBX, 0, ctxt, ops) @@ -7356,6 +7359,14 @@ x86_emulate( op_bytes = 16; goto simd_0f38_common; + case X86EMUL_OPC_66(0x0f38, 0xcf): /* gf2p8mulb xmm/m128,xmm*/ + case X86EMUL_OPC_VEX_66(0x0f38, 0xcf): /* vgf2p8mulb xmm/m128,xmm*/ + host_and_vcpu_must_have(gfni); + if ( vex.opcx == vex_none ) + goto simd_0f38_common; + else + goto simd_0f_avx; + case X86EMUL_OPC(0x0f38, 0xf0): /* movbe m,r */ case X86EMUL_OPC(0x0f38, 0xf1): /* movbe r,m */ vcpu_must_have(movbe); @@ -7741,6 +7752,17 @@ x86_emulate( op_bytes = 16; goto simd_0f3a_common; + case X86EMUL_OPC_66(0x0f3a, 0xce): /* gf2p8affineqb $imm8,xmm/m128,xmm*/ + case X86EMUL_OPC_VEX_66(0x0f3a, 0xce): /* vgf2p8affineqb $imm8,xmm/m128,xmm*/ + case X86EMUL_OPC_66(0x0f3a, 0xcf): /* gf2p8affineinvqb $imm8,xmm/m128,xmm*/ + case X86EMUL_OPC_VEX_66(0x0f3a, 0xcf): /* vgf2p8affineinvqb $imm8,xmm/m128,xmm*/ + host_and_vcpu_must_have(gfni); + if ( vex.opcx == vex_none ) + goto simd_0f3a_common; + else + goto simd_0f_imm8_avx; + + case X86EMUL_OPC_66(0x0f3a, 0xdf): /* aeskeygenassist $imm8,xmm/m128,xmm */ case X86EMUL_OPC_VEX_66(0x0f3a, 0xdf): /* vaeskeygenassist $imm8,xmm/m128,xmm */ host_and_vcpu_must_have(aesni); diff --git a/xen/include/asm-x86/cpufeature.h b/xen/include/asm-x86/cpufeature.h index 84cc51d..9c43cd8 100644 --- a/xen/include/asm-x86/cpufeature.h +++ b/xen/include/asm-x86/cpufeature.h @@ -97,6 +97,9 @@ #define cpu_has_smap boot_cpu_has(X86_FEATURE_SMAP) #define cpu_has_sha boot_cpu_has(X86_FEATURE_SHA) +/* CPUID level 0x00000007:0.ecx */ +#define cpu_has_gfni boot_cpu_has(X86_FEATURE_GFNI) + /* CPUID level 0x80000007.edx */ #define cpu_has_itsc boot_cpu_has(X86_FEATURE_ITSC)