Author: cem
Date: Wed Oct 30 01:41:14 2019
New Revision: 354162
URL: https://svnweb.freebsd.org/changeset/base/354162
Log:
amd64: Define and decode new AMD64 feature bits
These are documented in revisions 3.32 of the public AMD64 Vol. 2 and
revision 3.28 of Vol. 3, published October and September 2019, respectively.
Modified:
head/sys/x86/include/specialreg.h
head/sys/x86/x86/identcpu.c
Modified: head/sys/x86/include/specialreg.h
==============================================================================
--- head/sys/x86/include/specialreg.h Wed Oct 30 01:35:00 2019
(r354161)
+++ head/sys/x86/include/specialreg.h Wed Oct 30 01:41:14 2019
(r354162)
@@ -71,6 +71,7 @@
#define CR4_PCE 0x00000100 /* Performance monitoring counter
enable */
#define CR4_FXSR 0x00000200 /* Fast FPU save/restore used by OS */
#define CR4_XMM 0x00000400 /* enable SIMD/MMX2 to use except 16 */
+#define CR4_UMIP 0x00000800 /* User Mode Instruction Prevention */
#define CR4_VMXE 0x00002000 /* enable VMX operation
(Intel-specific) */
#define CR4_FSGSBASE 0x00010000 /* Enable FS/GS BASE accessing
instructions */
#define CR4_PCIDE 0x00020000 /* Enable Context ID */
@@ -90,6 +91,7 @@
#define EFER_LMSLE 0x000002000 /* Long Mode Segment Limit Enable */
#define EFER_FFXSR 0x000004000 /* Fast FXSAVE/FSRSTOR */
#define EFER_TCE 0x000008000 /* Translation Cache Extension */
+#define EFER_MCOMMIT 0x00020000 /* Enable MCOMMIT (AMD) */
/*
* Intel Extended Features registers
@@ -384,6 +386,9 @@
#define AMDFEID_CLZERO 0x00000001
#define AMDFEID_IRPERF 0x00000002
#define AMDFEID_XSAVEERPTR 0x00000004
+#define AMDFEID_RDPRU 0x00000004
+#define AMDFEID_MCOMMIT 0x00000100
+#define AMDFEID_WBNOINVD 0x00000200
#define AMDFEID_IBPB 0x00001000
#define AMDFEID_IBRS 0x00004000
#define AMDFEID_STIBP 0x00008000
Modified: head/sys/x86/x86/identcpu.c
==============================================================================
--- head/sys/x86/x86/identcpu.c Wed Oct 30 01:35:00 2019 (r354161)
+++ head/sys/x86/x86/identcpu.c Wed Oct 30 01:41:14 2019 (r354162)
@@ -1067,6 +1067,9 @@ printcpuinfo(void)
"\001CLZERO"
"\002IRPerf"
"\003XSaveErPtr"
+ "\005RDPRU"
+ "\011MCOMMIT"
+ "\012WBNOINVD"
"\015IBPB"
"\017IBRS"
"\020STIBP"
@@ -2355,7 +2358,7 @@ print_svm_info(void)
"\017<b14>"
"\020V_VMSAVE_VMLOAD"
"\021vGIF"
- "\022<b17>"
+ "\022GMET" /* Guest Mode Execute Trap */
"\023<b18>"
"\024<b19>"
"\025<b20>"
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