From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fY8bp-0005oc-1P for qemu-devel@nongnu.org; Wed, 27 Jun 2018 07:27:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fY8bk-0007yw-Tu for qemu-devel@nongnu.org; Wed, 27 Jun 2018 07:27:37 -0400 Received: from mga05.intel.com ([192.55.52.43]:32717) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fY8bk-0007x0-KX for qemu-devel@nongnu.org; Wed, 27 Jun 2018 07:27:32 -0400 From: Robert Hoo Date: Wed, 27 Jun 2018 19:27:21 +0800 Message-Id: <1530098844-236851-3-git-send-email-robert.hu@linux.intel.com> In-Reply-To: <1530098844-236851-1-git-send-email-robert.hu@linux.intel.com> References: <1530098844-236851-1-git-send-email-robert.hu@linux.intel.com> Subject: [Qemu-devel] [PATCH v2 2/5] i386: Add CPUID bit and feature words for IA32_ARCH_CAPABILITIES MSR List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com Cc: robert.hu@intel.com, Robert Hoo Support of IA32_PRED_CMD MSR already be enumerated by same CPUID bit as SPEC_CTRL. Signed-off-by: Robert Hoo --- target/i386/cpu.c | 2 +- target/i386/cpu.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index e6c2f8a..953098c 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1002,7 +1002,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "spec-ctrl", NULL, - NULL, NULL, NULL, "ssbd", + NULL, "arch-capabilities", NULL, "ssbd", }, .cpuid_eax = 7, .cpuid_needs_ecx = true, .cpuid_ecx = 0, diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 734a73e..1ef2040 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -688,6 +688,7 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS]; #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */ #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */ #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */ +#define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) /*Arch Capabilities of RDCL_NO and IBRS_ALL*/ #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) /* Speculative Store Bypass Disable */ #define CPUID_8000_0008_EBX_IBPB (1U << 12) /* Indirect Branch Prediction Barrier */ -- 1.8.3.1