return ApLoopMode;\r
}\r
\r
+/**\r
+ Enable x2APIC mode on APs.\r
+\r
+ @param[in, out] Buffer Pointer to private data buffer.\r
+**/\r
+VOID\r
+EFIAPI\r
+ApFuncEnableX2Apic (\r
+ IN OUT VOID *Buffer\r
+ )\r
+{\r
+ SetApicMode (LOCAL_APIC_MODE_X2APIC);\r
+}\r
+\r
/**\r
Do sync on APs.\r
\r
CpuPause ();\r
}\r
\r
+ if (CpuMpData->X2ApicEnable) {\r
+ DEBUG ((DEBUG_INFO, "Force x2APIC mode!\n"));\r
+ //\r
+ // Wakeup all APs to enable x2APIC mode\r
+ //\r
+ WakeUpAP (CpuMpData, TRUE, 0, ApFuncEnableX2Apic, NULL);\r
+ //\r
+ // Wait for all known APs finished\r
+ //\r
+ while (CpuMpData->FinishedCount < (CpuMpData->CpuCount - 1)) {\r
+ CpuPause ();\r
+ }\r
+ //\r
+ // Enable x2APIC on BSP\r
+ //\r
+ SetApicMode (LOCAL_APIC_MODE_X2APIC);\r
+ }\r
+ DEBUG ((DEBUG_INFO, "APIC MODE is %d\n", GetApicMode ()));\r
DEBUG ((DEBUG_INFO, "MpInitLib: Find %d processors in system.\n", CpuMpData->CpuCount));\r
\r
return CpuMpData->CpuCount;\r