From: mlarkin <mlarkin@openbsd.org>
Date: Mon, 15 Jan 2018 06:53:02 +0000 (+0000)
Subject: Add some AVX512 CPUID flags.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=5428256ceb68b164ff2256ee230a1a100d1f2733;p=openbsd

Add some AVX512 CPUID flags.

discussed with sf and kettenis
---

diff --git a/sys/arch/amd64/amd64/identcpu.c b/sys/arch/amd64/amd64/identcpu.c
index 3e4cd032b38..554b0a55625 100644
--- a/sys/arch/amd64/amd64/identcpu.c
+++ b/sys/arch/amd64/amd64/identcpu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: identcpu.c,v 1.92 2018/01/12 08:21:30 mlarkin Exp $	*/
+/*	$OpenBSD: identcpu.c,v 1.93 2018/01/15 06:53:02 mlarkin Exp $	*/
 /*	$NetBSD: identcpu.c,v 1.1 2003/04/26 18:39:28 fvdl Exp $	*/
 
 /*
@@ -198,6 +198,8 @@ const struct {
 	{ SEFF0ECX_UMIP,	"UMIP" },
 	{ SEFF0ECX_PKU,		"PKU" },
 }, cpu_seff0_edxfeatures[] = {
+	{ SEFF0EDX_AVX512_4FNNIW, "AVX512FNNIW" },
+	{ SEFF0EDX_AVX512_4FMAPS, "AVX512FMAPS" },
 	{ SEFF0EDX_IBRS,	"IBRS,IBPB" },
 	{ SEFF0EDX_STIBP,	"STIBP" },
 }, cpu_tpm_eaxfeatures[] = {
diff --git a/sys/arch/amd64/include/specialreg.h b/sys/arch/amd64/include/specialreg.h
index 85a8ecdc2a7..c3319c7271e 100644
--- a/sys/arch/amd64/include/specialreg.h
+++ b/sys/arch/amd64/include/specialreg.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: specialreg.h,v 1.64 2018/01/11 22:31:09 patrick Exp $	*/
+/*	$OpenBSD: specialreg.h,v 1.65 2018/01/15 06:53:02 mlarkin Exp $	*/
 /*	$NetBSD: specialreg.h,v 1.1 2003/04/26 18:39:48 fvdl Exp $	*/
 /*	$NetBSD: x86/specialreg.h,v 1.2 2003/04/25 21:54:30 fvdl Exp $	*/
 
@@ -215,6 +215,8 @@
 #define SEFF0ECX_UMIP		0x00000004 /* UMIP support */
 #define SEFF0ECX_PKU		0x00000008 /* Page prot keys for user mode */
 /* SEFF EDX bits */
+#define	SEFF0EDX_AVX512_4FNNIW	0x00000004 /* AVX-512 neural network insns */
+#define	SEFF0EDX_AVX512_4FMAPS	0x00000008 /* AVX-512 mult accum single prec */
 #define SEFF0EDX_IBRS		0x04000000 /* IBRS / IBPB Speculation Control */
 #define SEFF0EDX_STIBP		0x08000000 /* STIBP Speculation Control */