Changeset 81249 in vbox

Timestamp:

Oct 14, 2019 10:37:23 AM (6 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

133944

Message:

VMM: Log MCOMMIT and add its EFER bit.

Location:

trunk

Files:

• include/iprt/x86.h (modified) (2 diffs)
• src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp (modified) (1 diff)

trunk/include/iprt/x86.h

@@ -786 +786 @@
 /** Bit 4 - RDPRU - Supports the RDPRU instruction. */
 #define X86_CPUID_AMD_EFEID_EBX_RDPRU        RT_BIT_32(4)
+/** Bit 8 - MCOMMIT - Supports the MCOMMIT instruction. */
+#define X86_CPUID_AMD_EFEID_EBX_MCOMMIT      RT_BIT_32(8)
 /* AMD pipeline length: 9 feature bits ;-) */
 /** Bit 12 - IBPB - Supports the IBPB command in IA32_PRED_CMD. */
@@ -1708 +1710 @@
 /** Bit 15 - TCE - Translation Cache Extension. (R/W) */
 #define  MSR_K6_EFER_TCE                     RT_BIT_32(15)
+/** Bit 17 - MCOMMIT - Commit Stores to memory. (R/W) */
+#define  MSR_K6_EFER_MCOMMIT                 RT_BIT_32(17)
+
 /** K6 STAR - SYSCALL/RET targets. */
 #define MSR_K6_STAR                         UINT32_C(0xc0000081)

trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

@@ -6348 +6348 @@
     DBGFREGSUBFIELD_RO("XSaveErPtr\0"   "Save/restore error pointers (FXSAVE/RSTOR*)",   2, 1, 0),
     DBGFREGSUBFIELD_RO("RDPRU\0"        "RDPRU instruction",                             4, 1, 0),
+    DBGFREGSUBFIELD_RO("MCOMMIT\0"      "MCOMMIT instruction",                           8, 1, 0),
     DBGFREGSUBFIELD_RO("IBPB\0"         "Supports the IBPB command in IA32_PRED_CMD",   12, 1, 0),
     DBGFREGSUBFIELD_TERMINATOR()