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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 14 Aug 2018 17:19:11 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r337777 - head/sys/x86/include
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Author: kib
Date: Tue Aug 14 17:19:11 2018
New Revision: 337777
URL: https://svnweb.freebsd.org/changeset/base/337777

Log:
  Add definitions related to the L1D flush operation capability and MSR.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/x86/include/specialreg.h

Modified: head/sys/x86/include/specialreg.h
==============================================================================
--- head/sys/x86/include/specialreg.h	Tue Aug 14 17:17:37 2018	(r337776)
+++ head/sys/x86/include/specialreg.h	Tue Aug 14 17:19:11 2018	(r337777)
@@ -427,6 +427,7 @@
  */
 #define	CPUID_STDEXT3_IBPB	0x04000000
 #define	CPUID_STDEXT3_STIBP	0x08000000
+#define	CPUID_STDEXT3_L1D_FLUSH	0x10000000
 #define	CPUID_STDEXT3_ARCH_CAP	0x20000000
 #define	CPUID_STDEXT3_SSBD	0x80000000
 
@@ -478,6 +479,7 @@
 #define	MSR_IA32_EXT_CONFIG	0x0ee	/* Undocumented. Core Solo/Duo only */
 #define	MSR_MTRRcap		0x0fe
 #define	MSR_IA32_ARCH_CAP	0x10a
+#define	MSR_IA32_FLUSH_CMD	0x10b
 #define	MSR_BBL_CR_ADDR		0x116
 #define	MSR_BBL_CR_DECC		0x118
 #define	MSR_BBL_CR_CTL		0x119
@@ -710,6 +712,9 @@
 
 /* MSR IA32_PRED_CMD */
 #define	IA32_PRED_CMD_IBPB_BARRIER	0x0000000000000001ULL
+
+/* MSR IA32_FLUSH_CMD */
+#define	IA32_FLUSH_CMD_L1D	0x00000001
 
 /*
  * PAT modes.