Reviewed-by: Star Zeng <star.z...@intel.com>

-----Original Message-----
From: Zhang, Shenglei 
Sent: Wednesday, August 8, 2018 4:47 PM
To: edk2-devel@lists.01.org
Cc: Zeng, Star <star.z...@intel.com>; Dong, Eric <eric.d...@intel.com>
Subject: [PATCH 16/26] MdeModulePkg Core/Dxe: Remove redundant functions

The functions that are never called have been removed.
They are ClearGuardMapBit,SetGuardMapBit,IsHeadGuard,
IsTailGuard and CoreEfiNotAvailableYetArg0.
https://bugzilla.tianocore.org/show_bug.cgi?id=1062

Cc: Star Zeng <star.z...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: shenglei <shenglei.zh...@intel.com>
---
 MdeModulePkg/Core/Dxe/DxeMain.h         | 13 -----
 MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c | 22 -------
 MdeModulePkg/Core/Dxe/Mem/HeapGuard.c   | 78 -------------------------
 3 files changed, 113 deletions(-)

diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h 
index 7ec82388a3..8f0b28d095 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -2178,19 +2178,6 @@ CoreDisplayDiscoveredNotDispatched (
   );
 
 
-/**
-  Place holder function until all the Boot Services and Runtime Services are
-  available.
-
-  @return EFI_NOT_AVAILABLE_YET
-
-**/
-EFI_STATUS
-EFIAPI
-CoreEfiNotAvailableYetArg0 (
-  VOID
-  );
-
 
 /**
   Place holder function until all the Boot Services and Runtime Services are 
diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c 
b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
index fc46022c3c..bbb048a127 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
+++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
@@ -560,28 +560,6 @@ DxeMain (
 
 
 
-/**
-  Place holder function until all the Boot Services and Runtime Services are
-  available.
-
-  @return EFI_NOT_AVAILABLE_YET
-
-**/
-EFI_STATUS
-EFIAPI
-CoreEfiNotAvailableYetArg0 (
-  VOID
-  )
-{
-  //
-  // This function should never be executed.  If it does, then the 
architectural protocols
-  // have not been designed correctly.  The CpuBreakpoint () is commented out 
for now until the
-  // DXE Core and all the Architectural Protocols are complete.
-  //
-
-  return EFI_NOT_AVAILABLE_YET;
-}
-
 
 /**
   Place holder function until all the Boot Services and Runtime Services are 
diff --git a/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c 
b/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
index 447c56bb11..663f969c0d 100644
--- a/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
+++ b/MdeModulePkg/Core/Dxe/Mem/HeapGuard.c
@@ -443,51 +443,6 @@ GetGuardMapBit (
   return 0;
 }
 
-/**
-  Set the bit in bitmap table for the given address.
-
-  @param[in]  Address     The address to set for.
-
-  @return VOID.
-**/
-VOID
-EFIAPI
-SetGuardMapBit (
-  IN EFI_PHYSICAL_ADDRESS    Address
-  )
-{
-  UINT64        *GuardMap;
-  UINT64        BitMask;
-
-  FindGuardedMemoryMap (Address, TRUE, &GuardMap);
-  if (GuardMap != NULL) {
-    BitMask = LShiftU64 (1, GUARDED_HEAP_MAP_ENTRY_BIT_INDEX (Address));
-    *GuardMap |= BitMask;
-  }
-}
-
-/**
-  Clear the bit in bitmap table for the given address.
-
-  @param[in]  Address     The address to clear for.
-
-  @return VOID.
-**/
-VOID
-EFIAPI
-ClearGuardMapBit (
-  IN EFI_PHYSICAL_ADDRESS    Address
-  )
-{
-  UINT64        *GuardMap;
-  UINT64        BitMask;
-
-  FindGuardedMemoryMap (Address, TRUE, &GuardMap);
-  if (GuardMap != NULL) {
-    BitMask = LShiftU64 (1, GUARDED_HEAP_MAP_ENTRY_BIT_INDEX (Address));
-    *GuardMap &= ~BitMask;
-  }
-}
 
 /**
   Check to see if the page at the given address is a Guard page or not.
@@ -514,39 +469,6 @@ IsGuardPage (
   return ((BitMap == BIT0) || (BitMap == BIT2) || (BitMap == (BIT2 | BIT0)));  
}
 
-/**
-  Check to see if the page at the given address is a head Guard page or not.
-
-  @param[in]  Address     The address to check for
-
-  @return TRUE  The page at Address is a head Guard page
-  @return FALSE The page at Address is not a head Guard page -**/ -BOOLEAN 
-EFIAPI -IsHeadGuard (
-  IN EFI_PHYSICAL_ADDRESS    Address
-  )
-{
-  return (GetGuardedMemoryBits (Address, 2) == BIT1); -}
-
-/**
-  Check to see if the page at the given address is a tail Guard page or not.
-
-  @param[in]  Address     The address to check for.
-
-  @return TRUE  The page at Address is a tail Guard page.
-  @return FALSE The page at Address is not a tail Guard page.
-**/
-BOOLEAN
-EFIAPI
-IsTailGuard (
-  IN EFI_PHYSICAL_ADDRESS    Address
-  )
-{
-  return (GetGuardedMemoryBits (Address - EFI_PAGE_SIZE, 2) == BIT0); -}
 
 /**
   Check to see if the page at the given address is guarded or not.
--
2.18.0.windows.1

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