Changeset 19437 in vbox for trunk/src/VBox/VMM

Timestamp:

May 6, 2009 2:34:05 PM (16 years ago)

Author:

vboxsync

Message:

SMP: send SIPI notification from APIC, let VM handle what really do

Location:

trunk/src/VBox/VMM

Files:

• PDMDevMiscHlp.cpp (modified) (2 diffs)
• VMMAll/VMMAll.cpp (modified) (1 diff)
• VMMGC/PDMGCDevice.cpp (modified) (3 diffs)
• VMMR0/PDMR0Device.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/PDMDevMiscHlp.cpp

@@ -230 +230 @@
 }
 
+/** @copydoc PDMAPICHLPR3::pfnSendSipi */
+static DECLCALLBACK(void) pdmR3ApicHlp_SendSipi(PPDMDEVINS pDevIns, VMCPUID idCpu, int iVector)
+{
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    VM_ASSERT_EMT(pDevIns->Internal.s.pVMR3);
+
+    PVM pVM = pDevIns->Internal.s.pVMR3;
+    PVMCPU pCpu = VMMGetCpuById(pVM, idCpu);
+    CPUMSetGuestCS(pCpu, iVector * 0x100);
+    CPUMSetGuestEIP(pCpu, 0);
+    /** @todo: how do I unhalt VCPU? */
+}
 
 /** @copydoc PDMAPICHLPR3::pfnGetRCHelpers */
@@ -273 +285 @@
     pdmR3ApicHlp_Unlock,
     pdmR3ApicHlp_GetCpuId,
+    pdmR3ApicHlp_SendSipi,
     pdmR3ApicHlp_GetRCHelpers,
     pdmR3ApicHlp_GetR0Helpers,

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

@@ -73 +73 @@
 }
 
+
+/**
+ * Sends SIPI to the virtual CPU by setting CS:EIP into vector-dependent state
+ * and unhalting processor
+ *
+ * @param   pVM         The VM to operate on.
+ * @param   idCpu       Virtual CPU to perform SIPI on
+ * @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? */
+}
 
 /**

trunk/src/VBox/VMM/VMMGC/PDMGCDevice.cpp

@@ -92 +92 @@
 static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns);
 static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns);
+static DECLCALLBACK(void) pdmRCApicHlp_SendSipi(PPDMDEVINS pDevIns, VMCPUID idCpu, int iVector);
 /** @} */
 
@@ -167 +168 @@
     pdmRCApicHlp_Unlock,
     pdmRCApicHlp_GetCpuId,
+    pdmRCApicHlp_SendSipi,
     PDM_APICHLPRC_VERSION
 };
@@ -487 +489 @@
     PDMDEV_ASSERT_DEVINS(pDevIns);
     return VMMGetCpuId(pDevIns->Internal.s.pVMRC);
+}
+
+/** @copydoc PDMAPICHLPR3::pfnSendSipi */
+static DECLCALLBACK(void) pdmRCApicHlp_SendSipi(PPDMDEVINS pDevIns, VMCPUID idCpu, int iVector)
+{
+    /* we shall never send a SIPI in raw mode */
+    AssertFailed();
 }
 

trunk/src/VBox/VMM/VMMR0/PDMR0Device.cpp

@@ -94 +94 @@
 static DECLCALLBACK(void) pdmR0ApicHlp_Unlock(PPDMDEVINS pDevIns);
 static DECLCALLBACK(VMCPUID) pdmR0ApicHlp_GetCpuId(PPDMDEVINS pDevIns);
+static DECLCALLBACK(void) pdmR0ApicHlp_SendSipi(PPDMDEVINS pDevIns, VMCPUID idCpu, int iVector);
 /** @} */
 
@@ -170 +171 @@
     pdmR0ApicHlp_Unlock,
     pdmR0ApicHlp_GetCpuId,
+    pdmR0ApicHlp_SendSipi,
     PDM_APICHLPR0_VERSION
 };
@@ -503 +505 @@
 }
 
+/** @copydoc PDMAPICHLPR0::pfnSendSipi */
+static DECLCALLBACK(void) pdmR0ApicHlp_SendSipi(PPDMDEVINS pDevIns, VMCPUID idCpu, int iVector)
+{
+    PDMDEV_ASSERT_DEVINS(pDevIns);
+    return VMMSendSipi(pDevIns->Internal.s.pVMR0, idCpu, iVector);
+}
 
 /** @copydoc PDMIOAPICHLPR0::pfnApicBusDeliver */