Changeset 45749 in vbox for trunk/include/VBox/vmm

Timestamp:

Apr 26, 2013 12:14:09 AM (12 years ago)

Author:

vboxsync

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

85307

Message:

VMM: Introduced VMCPUSTATE_STARTED_HM for indicating that we're between HMR3Enter and HMR3Leave. Added HMIsInHwVirtCtx and VMMIsLongJumpArmed methods/macros.

Location:

trunk/include/VBox/vmm

Files:

• hm.h (modified) (1 diff)
• vm.h (modified) (1 diff)
• vmm.h (modified) (3 diffs)

trunk/include/VBox/vmm/hm.h

@@ -88 +88 @@
  */
 #define HMCanEmulateIoBlockEx(a_pCtx)   (!CPUMIsGuestInPagedProtectedModeEx(a_pCtx))
+
+/**
+ * Checks whether we're in the special hardware virtualization context.
+ * @returns true / false.
+ * @param   a_pVCpu     The caller's cross context virtual CPU structure.
+ * @thread  EMT
+ */
+#ifdef IN_RING0
+# define HMIsInHwVirtCtx(a_pVCpu)       (VMCPU_GET_STATE(a_pVCpu) == VMCPUSTATE_STARTED_HM)
+#else
+# define HMIsInHwVirtCtx(a_pVCpu)       (false)
+#endif
+
 
 VMMDECL(bool)                   HMIsEnabledNotMacro(PVM pVM);

trunk/include/VBox/vmm/vm.h

@@ -69 +69 @@
     /** CPU started. */
     VMCPUSTATE_STARTED,
-    /** Executing guest code and can be poked. */
+    /** CPU started in HM context. */
+    VMCPUSTATE_STARTED_HM,
+    /** Executing guest code and can be poked (RC or STI bits of HM). */
     VMCPUSTATE_STARTED_EXEC,
     /** Executing guest code in the recompiler. */

trunk/include/VBox/vmm/vmm.h

@@ -230 +230 @@
 
 
+/**
+ * Checks whether we've armed the ring-0 long jump machinery.
+ *
+ * @returns @c true / @c false
+ * @param   pVCpu           The caller's cross context virtual CPU structure.
+ * @thread  EMT
+ * @sa      VMMR0IsLongJumpArmed
+ */
+#ifdef IN_RING0
+# define VMMIsLongJumpArmed(a_pVCpu)                VMMR0IsLongJumpArmed(a_pVCpu)
+#else
+# define VMMIsLongJumpArmed(a_pVCpu)                (false)
+#endif
+
+
 VMM_INT_DECL(RTRCPTR)       VMMGetStackRC(PVMCPU pVCpu);
 VMMDECL(VMCPUID)            VMMGetCpuId(PVM pVM);
@@ -238 +253 @@
 VMM_INT_DECL(uint32_t)      VMMGetSvnRev(void);
 VMM_INT_DECL(VMMSWITCHER)   VMMGetSwitcher(PVM pVM);
+VMM_INT_DECL(bool)          VMMIsInRing3Call(PVMCPU pVCpu);
 VMM_INT_DECL(void)          VMMTrashVolatileXMMRegs(void);
 
@@ -479 +495 @@
 VMMR0DECL(int)      VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
 VMMR0DECL(int)      VMMR0TermVM(PVM pVM, PGVM pGVM);
+VMMR0_INT_DECL(bool) VMMR0IsLongJumpArmed(PVMCPU pVCpu);
+
 
 #ifdef LOG_ENABLED