[src/trunk]: src/sys/arch/x86/include Add definitions of AMD's CPUID Fn8000_0...

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

details:   https://anonhg.NetBSD.org/src/rev/ccf37699d0d3
branches:  trunk
changeset: 463563:ccf37699d0d3
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Fri Aug 30 13:11:28 2019 +0000

description:
Add definitions of AMD's CPUID Fn8000_0008 %ebx.

diffstat:

 sys/arch/x86/include/specialreg.h |  34 +++++++++++++++++++++++++++++++++-
 1 files changed, 33 insertions(+), 1 deletions(-)

diffs (48 lines):

diff -r bbcb63aa8fc2 -r ccf37699d0d3 sys/arch/x86/include/specialreg.h
--- a/sys/arch/x86/include/specialreg.h Fri Aug 30 09:24:19 2019 +0000
+++ b/sys/arch/x86/include/specialreg.h Fri Aug 30 13:11:28 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: specialreg.h,v 1.150 2019/07/26 10:03:40 msaitoh Exp $ */
+/*     $NetBSD: specialreg.h,v 1.151 2019/08/30 13:11:28 msaitoh Exp $ */
 
 /*
  * Copyright (c) 2014-2019 The NetBSD Foundation, Inc.
@@ -712,6 +712,38 @@
        "\11" "TSC"     "\12" "CPB"     "\13" "EffFreq" "\14" "PROCFI"        \
        "\15" "PROCPR"  "\16" "CONNSTBY" "\17" "RAPL"
 
+/*
+ * AMD Processor Capacity Parameters and Extended Features
+ * CPUID Fn8000_0008
+ * %eax: Long Mode Size Identifiers
+ * %ebx: Extended Feature Identifiers
+ * %ecx: Size Identifiers
+ */
+
+/* %ebx */
+#define CPUID_CAPEX_CLZERO     __BIT(0)        /* CLZERO instruction */
+#define CPUID_CAPEX_IRPERF     __BIT(1)        /* InstRetCntMsr */
+#define CPUID_CAPEX_XSAVEERPTR __BIT(2)        /* RstrFpErrPtrs by XRSTOR */
+#define CPUID_CAPEX_RDPRU      __BIT(4)        /* RDPRU instruction */
+#define CPUID_CAPEX_WBNOINVD   __BIT(9)        /* WBNOINVD instruction */
+#define CPUID_CAPEX_IBPB       __BIT(12)       /* Speculation Control IBPB */
+#define CPUID_CAPEX_IBRS       __BIT(14)       /* Speculation Control IBRS */
+#define CPUID_CAPEX_STIBP      __BIT(15)       /* Speculation Control STIBP */
+#define CPUID_CAPEX_IBRS_ALWAYSON __BIT(16)    /* IBRS always on mode */
+#define CPUID_CAPEX_STIBP_ALWAYSON __BIT(17)   /* STIBP always on mode */
+#define CPUID_CAPEX_PREFER_IBRS        __BIT(18)       /* IBRS preferred */
+#define CPUID_CAPEX_SSBD       __BIT(24)       /* Speculation Control SSBD */
+#define CPUID_CAPEX_VIRT_SSBD  __BIT(25)       /* Virt Spec Control SSBD */
+#define CPUID_CAPEX_SSB_NO     __BIT(26)       /* SSBD not required */
+
+#define CPUID_CAPEX_FLAGS      "\20"                                    \
+       "\1CLZERO"      "\2IRPERF"      "\3XSAVEERPTR"                   \
+       "\5RDPRU"                       "\7B6"                           \
+       "\11B8"         "\12WBNOINVD"   "\12B10"                         \
+       "\15IBPB"       "\16B13"        "\17IBRS"       "\20STIBP"       \
+       "\21IBRS_ALWAYSON" "\22STIBP_ALWAYSON" "\23PREFER_IBRS" "\24B19" \
+       "\31SSBD"       "\32VIRT_SSBD"  "\33SSB_NO"
+
 /* AMD Fn8000000a %edx features (SVM features) */
 #define CPUID_AMD_SVM_NP               0x00000001
 #define CPUID_AMD_SVM_LbrVirt          0x00000002