X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=UefiCpuPkg%2FLibrary%2FMpInitLib%2FPeiMpLib.c;h=fb1d48fad848f6d3d36fef81e97e93cc55c1a01a;hb=ffab244280fd934c9a02142765e40f70fbc061a1;hp=4ea8fa96a191a4ccd19d263ab5d13806334602b3;hpb=20ae57745b19538229ba0670c10e08c13f9e2574;p=mirror_edk2.git

diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
index 4ea8fa96a1..fb1d48fad8 100644
--- a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c
@@ -25,6 +25,18 @@ GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR mMpInitLibNotifyList = {
   CpuMpEndOfPeiCallback
 };
 
+
+/**
+  Enable Debug Agent to support source debugging on AP function.
+
+**/
+VOID
+EnableDebugAgent (
+  VOID
+  )
+{
+}
+
 /**
   Get pointer to CPU MP Data structure.
 
@@ -64,45 +76,6 @@ SaveCpuMpData (
     );
 }
 
-/**
-  Get available system memory below 1MB by specified size.
-
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
-**/
-VOID
-BackupAndPrepareWakeupBuffer(
-  IN CPU_MP_DATA              *CpuMpData
-  )
-{
-  CopyMem (
-    (VOID *) CpuMpData->BackupBuffer,
-    (VOID *) CpuMpData->WakeupBuffer,
-    CpuMpData->BackupBufferSize
-    );
-  CopyMem (
-    (VOID *) CpuMpData->WakeupBuffer,
-    (VOID *) CpuMpData->AddressMap.RendezvousFunnelAddress,
-    CpuMpData->AddressMap.RendezvousFunnelSize
-    );
-}
-
-/**
-  Restore wakeup buffer data.
-
-  @param[in] PeiCpuMpData        Pointer to PEI CPU MP Data
-**/
-VOID
-RestoreWakeupBuffer(
-  IN CPU_MP_DATA              *CpuMpData
-  )
-{
-  CopyMem (
-    (VOID *) CpuMpData->WakeupBuffer,
-    (VOID *) CpuMpData->BackupBuffer,
-    CpuMpData->BackupBufferSize
-    );
-}
-
 /**
   Notify function on End Of PEI PPI.
 
@@ -157,7 +130,7 @@ CpuMpEndOfPeiCallback (
       Hob.Raw = GET_NEXT_HOB (Hob);
     }
   } else {
-    CpuMpData->EndOfPeiFlag = TRUE;
+    CpuMpData->SaveRestoreFlag = TRUE;
     RestoreWakeupBuffer (CpuMpData);
   }
   return EFI_SUCCESS;
@@ -316,7 +289,7 @@ AllocateResetVector (
     BackupAndPrepareWakeupBuffer (CpuMpData);
   }
 
-  if (CpuMpData->EndOfPeiFlag) {
+  if (CpuMpData->SaveRestoreFlag) {
     BackupAndPrepareWakeupBuffer (CpuMpData);
   }
 }
@@ -331,7 +304,7 @@ FreeResetVector (
   IN CPU_MP_DATA              *CpuMpData
   )
 {
-  if (CpuMpData->EndOfPeiFlag) {
+  if (CpuMpData->SaveRestoreFlag) {
     RestoreWakeupBuffer (CpuMpData);
   }
 }
@@ -360,6 +333,14 @@ InitMpGlobalData (
   EFI_STATUS      Status;
 
   SaveCpuMpData (CpuMpData);
+
+  if (CpuMpData->CpuCount == 1) {
+    //
+    // If only BSP exists, return
+    //
+    return;
+  }
+
   //
   // Register an event for EndOfPei
   //
@@ -394,7 +375,7 @@ InitMpGlobalData (
                                       EFI_EVENT is defined in CreateEvent() in
                                       the Unified Extensible Firmware Interface
                                       Specification.
-  @param[in]  TimeoutInMicrosecsond   Indicates the time limit in microseconds for
+  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for
                                       APs to return from Procedure, either for
                                       blocking or non-blocking mode. Zero means
                                       infinity.  If the timeout expires before
@@ -453,7 +434,18 @@ MpInitLibStartupAllAPs (
   OUT UINTN                     **FailedCpuList         OPTIONAL
   )
 {
-  return EFI_UNSUPPORTED;
+  if (WaitEvent != NULL) {
+    return EFI_UNSUPPORTED;
+  }
+
+  return StartupAllAPsWorker (
+           Procedure,
+           SingleThread,
+           NULL,
+           TimeoutInMicroseconds,
+           ProcedureArgument,
+           FailedCpuList
+           );
 }
 
 /**
@@ -483,7 +475,7 @@ MpInitLibStartupAllAPs (
                                       EFI_EVENT is defined in CreateEvent() in
                                       the Unified Extensible Firmware Interface
                                       Specification.
-  @param[in]  TimeoutInMicrosecsond   Indicates the time limit in microseconds for
+  @param[in]  TimeoutInMicroseconds   Indicates the time limit in microseconds for
                                       this AP to finish this Procedure, either for
                                       blocking or non-blocking mode. Zero means
                                       infinity.  If the timeout expires before