Changeset 19445 in vbox

Timestamp:

May 6, 2009 5:33:41 PM (16 years ago)

Author:

vboxsync

Message:

VMMAll.cpp: How to wake up a CPU (on SIPI), heed todos.

File:

• trunk/src/VBox/VMM/VMMAll/VMMAll.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/VMMAll.cpp

@@ -74 +74 @@
 
 
+#ifdef IN_RING3
+/**
+ * On VCPU worker for VMMSendSipi.
+ *
+ * @param   pVM         The VM to operate on.
+ * @param   idCpu       Virtual CPU to perform SIPI on
+ * @param   iVector     SIPI vector
+ */
+DECLCALLBACK(int) vmmR3SendSipi(PVM pVM, VMCPUID idCpu, int iVector)
+{
+    PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu);
+    VMCPU_ASSERT_EMT(pVCpu);
+
+    /** @todo what are we supposed to do if the processor is already running? */
+    VMCPU_ASSERT_STATE(pVCpu, VMCPUSTATE_STOPPED);
+    VMCPU_SET_STATE(pVCpu, VMCPUSTATE_STARTED);
+
+    CPUMSetGuestCS(pVCpu, iVector * 0x100);
+    CPUMSetGuestEIP(pVCpu, 0);
+    return VINF_SUCCESS;
+}
+#endif /* IN_RING3 */
+
+
 /**
  * Sends SIPI to the virtual CPU by setting CS:EIP into vector-dependent state
@@ -82 +106 @@
  * @param   iVector     SIPI vector
  */
-VMMDECL(void) VMMSendSipi(PVM pVM, VMCPUID idCpu, int iVector)
-{
-    PVMCPU pCpu = VMMGetCpuById(pVM, idCpu);
-    CPUMSetGuestCS(pCpu, iVector * 0x100);
-    CPUMSetGuestEIP(pCpu, 0);
-    /** @todo: how do I unhalt VCPU? */
-}
+VMMDECL(void) VMMSendSipi(PVM pVM, VMCPUID idCpu, int iVector) /** @todo why is iVector signed? */
+{
+    AssertReturnVoid(idCpu < pVM->cCPUs);
+
+#ifdef IN_RING3
+    PVMREQ pReq;
+    int rc = VMR3ReqCallU(pVM->pUVM, idCpu, &pReq, RT_INDEFINITE_WAIT, 0,
+                          (PFNRT)vmmR3SendSipi, 3, pVM, idCpu, iVector);
+    AssertRC(rc);
+    VMR3ReqFree(pReq);
+#else
+    AssertMsgFailed(("has to be done in ring-3, fix the code.\n"));
+#endif
+}
+
 
 /**