UefiCpuPkg/MtrrLib: Reduce hardware init when program fixed MTRRs

[mirror_edk2.git] / UefiCpuPkg / CpuDxe / CpuMp.h

diff --git a/UefiCpuPkg/CpuDxe/CpuMp.h b/UefiCpuPkg/CpuDxe/CpuMp.h
index a53ef52d93b4df44016abc9b416a55790b9f9a7c..503f3ae944fe850e1a2afeeb15aa6604ef2e0242 100644 (file)
--- a/UefiCpuPkg/CpuDxe/CpuMp.h
+++ b/UefiCpuPkg/CpuDxe/CpuMp.h
@@ -1,7 +1,7 @@
 /** @file\r
   CPU DXE MP support\r
 \r
-  Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -15,8 +15,12 @@
 #ifndef _CPU_MP_H_\r
 #define _CPU_MP_H_\r
 \r
+#include <Ppi/SecPlatformInformation.h>\r
+#include <Ppi/SecPlatformInformation2.h>\r
 #include <Protocol/MpService.h>\r
 #include <Library/SynchronizationLib.h>\r
+#include <Library/HobLib.h>\r
+#include <Library/ReportStatusCodeLib.h>\r
 \r
 /**\r
   Initialize Multi-processor support.\r
@@ -40,15 +44,12 @@ VOID
   The processor jumps to this code in flat mode, but the processor's\r
   stack is not initialized.\r
 \r
-  @param ApEntryPoint    Pointer to the Entry Point routine\r
-\r
   @retval EFI_SUCCESS           The APs were started\r
-  @retval EFI_OUT_OF_RESOURCES  Cannot allocate memory to start APs\r
 \r
 **/\r
 EFI_STATUS\r
 StartApsStackless (\r
-  IN STACKLESS_AP_ENTRY_POINT ApEntryPoint\r
+  VOID\r
   );\r
 \r
 /**\r
@@ -82,8 +83,9 @@ typedef enum {
   CpuStateIdle,\r
   CpuStateBlocked,\r
   CpuStateReady,\r
-  CpuStateBuzy,\r
-  CpuStateFinished\r
+  CpuStateBusy,\r
+  CpuStateFinished,\r
+  CpuStateSleeping\r
 } CPU_STATE;\r
 \r
 /**\r
@@ -93,15 +95,17 @@ typedef enum {
 typedef struct {\r
   EFI_PROCESSOR_INFORMATION      Info;\r
   SPIN_LOCK                      CpuDataLock;\r
+  INTN                           LockSelf;\r
   volatile CPU_STATE             State;\r
 \r
-  EFI_AP_PROCEDURE               Procedure;\r
-  VOID                           *Parameter;\r
+  volatile EFI_AP_PROCEDURE      Procedure;\r
+  volatile VOID*                 Parameter;\r
   BOOLEAN                        *Finished;\r
   INTN                           Timeout;\r
   EFI_EVENT                      WaitEvent;\r
   BOOLEAN                        TimeoutActive;\r
   EFI_EVENT                      CheckThisAPEvent;\r
+  VOID                           *TopOfStack;\r
 } CPU_DATA_BLOCK;\r
 \r
 /**\r
@@ -603,5 +607,54 @@ ResetProcessorToIdleState (
   IN CPU_DATA_BLOCK  *CpuData\r
   );\r
 \r
+/**\r
+  Prepares Startup Code for APs.\r
+  This function prepares Startup Code for APs.\r
+\r
+  @retval EFI_SUCCESS           The APs were started\r
+  @retval EFI_OUT_OF_RESOURCES  Cannot allocate memory to start APs\r
+\r
+**/\r
+EFI_STATUS\r
+PrepareAPStartupCode (\r
+  VOID\r
+  );\r
+\r
+/**\r
+  Free the code buffer of startup AP.\r
+\r
+**/\r
+VOID\r
+FreeApStartupCode (\r
+  VOID\r
+  );\r
+\r
+/**\r
+  Resets the Application Processor and directs it to jump to the\r
+  specified routine.\r
+\r
+  The processor jumps to this code in flat mode, but the processor's\r
+  stack is not initialized.\r
+\r
+  @param ProcessorId           the AP of ProcessorId was reset\r
+**/\r
+VOID\r
+ResetApStackless (\r
+  IN UINT32 ProcessorId\r
+  );\r
+\r
+/**\r
+  A minimal wrapper function that allows MtrrSetAllMtrrs() to be passed to\r
+  EFI_MP_SERVICES_PROTOCOL.StartupAllAPs() as Procedure.\r
+\r
+  @param[in] Buffer  Pointer to an MTRR_SETTINGS object, to be passed to\r
+                     MtrrSetAllMtrrs().\r
+**/\r
+VOID\r
+EFIAPI\r
+SetMtrrsFromBuffer (\r
+  IN VOID *Buffer\r
+  );\r
+\r
 #endif // _CPU_MP_H_\r
 \r