Changeset 42024 in vbox for trunk/include/VBox/vmm

Timestamp:

Jul 5, 2012 12:10:53 PM (12 years ago)

Author:

vboxsync

Message:

VMM: RDTSCP support on Intel. Segregated some common CPU features from the AMD superset into Extended features as they're now available on Intel too.

Location:

trunk/include/VBox/vmm

Files:

• cpum.h (modified) (1 diff)
• hwacc_vmx.h (modified) (3 diffs)

trunk/include/VBox/vmm/cpum.h

@@ -51 +51 @@
     /** The PAE feature bit. (Std+Ext) */
     CPUMCPUIDFEATURE_PAE,
-    /** The NXE feature bit. (Ext) */
-    CPUMCPUIDFEATURE_NXE,
+    /** The NX feature bit. (Ext) */
+    CPUMCPUIDFEATURE_NX,
     /** The LAHF/SAHF feature bit (64 bits mode only). (Ext) */
     CPUMCPUIDFEATURE_LAHF,

trunk/include/VBox/vmm/hwacc_vmx.h

@@ -541 +541 @@
 /** 50 INVEPT. Guest software attempted to execute INVEPT. */
 #define VMX_EXIT_INVEPT             50
+/** 51 RDTSCP. Guest software attempted to execute RDTSCP. */
+#define VMX_EXIT_RDTSCP             51
 /** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
 #define VMX_EXIT_PREEMPTION_TIMER   52
@@ -860 +862 @@
 /** VM Exit when executing the RDPMC instruction. */
 #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT             RT_BIT(11)
-/** VM Exit when executing the RDTSC instruction. */
+/** VM Exit when executing the RDTSC/RDTSCP instruction. */
 #define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT             RT_BIT(12)
 /** VM Exit when executing the MOV to CR3 instruction. (forced to 1 on the 'first' VT-x capable CPUs; this actually includes the newest Nehalem CPUs) */
@@ -901 +903 @@
 /** Descriptor table instructions cause VM-exits. */
 #define VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT          RT_BIT(2)
-/** RDTSCP causes a VM-exit. */
-#define VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT                    RT_BIT(3)
+/** RDTSCP supported/enabled. */
+#define VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP                         RT_BIT(3)
 /** Virtualize x2APIC mode. */
 #define VMX_VMCS_CTRL_PROC_EXEC2_X2APIC                         RT_BIT(4)