[src/trunk]: src/sys/arch/x86/include Add the IBRS and STIBP MSRs.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a28ec00fa98f
branches:  trunk
changeset: 360512:a28ec00fa98f
user:      maxv <maxv%NetBSD.org@localhost>
date:      Wed Mar 14 14:44:25 2018 +0000

description:
Add the IBRS and STIBP MSRs.

diffstat:

 sys/arch/x86/include/specialreg.h |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r d1a504cbc625 -r a28ec00fa98f sys/arch/x86/include/specialreg.h
--- a/sys/arch/x86/include/specialreg.h Wed Mar 14 14:15:02 2018 +0000
+++ b/sys/arch/x86/include/specialreg.h Wed Mar 14 14:44:25 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: specialreg.h,v 1.115 2018/03/14 14:15:02 maxv Exp $    */
+/*     $NetBSD: specialreg.h,v 1.116 2018/03/14 14:44:25 maxv Exp $    */
 
 /*-
  * Copyright (c) 1991 The Regents of the University of California.
@@ -630,6 +630,8 @@
 #define MSR_EBC_FREQUENCY_ID   0x02c   /* PIV only */
 #define MSR_TEST_CTL           0x033
 #define MSR_IA32_SPEC_CTRL     0x048
+#define        IA32_SPEC_CTRL_IBRS     0x01
+#define        IA32_SPEC_CTRL_STIBP    0x02
 #define MSR_IA32_PRED_CMD      0x049
 #define MSR_BIOS_UPDT_TRIG     0x079
 #define MSR_BBL_CR_D0          0x088   /* PII+ only */