svn commit: r337793 - stable/11/sys/x86/include

[Konstantin Belousov]

Author: kib
Date: Tue Aug 14 17:49:52 2018
New Revision: 337793
URL: https://svnweb.freebsd.org/changeset/base/337793

Log:
  MFC r337777:
  Add definitions related to the L1D flush operation capability and MSR.
  
  Approved by:	so (insta-MFC)

Modified:
  stable/11/sys/x86/include/specialreg.h
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/x86/include/specialreg.h
==============================================================================
--- stable/11/sys/x86/include/specialreg.h	Tue Aug 14 17:48:28 2018	(r337792)
+++ stable/11/sys/x86/include/specialreg.h	Tue Aug 14 17:49:52 2018	(r337793)
@@ -387,6 +387,7 @@
  */
 #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
 
@@ -438,6 +439,7 @@
 #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
@@ -591,6 +593,9 @@
 
 /* MSR IA32_PRED_CMD */
 #define	IA32_PRED_CMD_IBPB_BARRIER	0x0000000000000001ULL
+
+/* MSR IA32_FLUSH_CMD */
+#define	IA32_FLUSH_CMD_L1D	0x00000001
 
 /*
  * PAT modes.