1 files changed, 0 insertions, 66 deletions
diff --git a/MdePkg/Library/BaseCpuLib/Ipf/CpuSleep.c b/MdePkg/Library/BaseCpuLib/Ipf/CpuSleep.c
deleted file mode 100644
index 86d2c184772b..000000000000
--- a/MdePkg/Library/BaseCpuLib/Ipf/CpuSleep.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/** @file
-  Base Library CPU functions for Itanium
-
-  Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-  This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php.
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <Library/PalLib.h>
-#include <Library/BaseLib.h>
-
-/**
-  Places the CPU in a sleep state until an interrupt is received.
-
-  Places the CPU in a sleep state until an interrupt is received. If interrupts
-  are disabled prior to calling this function, then the CPU will be placed in a
-  sleep state indefinitely.
-
-**/
-VOID
-EFIAPI
-CpuSleep (
-  VOID
-  )
-{
-  UINT64  Tpr;
-
-  //
-  // It is the TPR register that controls if external interrupt would bring processor in LIGHT HALT low-power state
-  // back to normal state. PAL_HALT_LIGHT does not depend on PSR setting.
-  // So here if interrupts are disabled (via PSR.i), TRP.mmi needs to be set to prevent processor being interrupted by external interrupts.
-  // If interrupts are enabled, then just use current TRP setting.
-  //
-  if (GetInterruptState ()) {
-    //
-    // If interrupts are enabled, then call PAL_HALT_LIGHT with the current TPR setting.
-    //
-    PalCall (PAL_HALT_LIGHT, 0, 0, 0);
-  } else {
-    //
-    // If interrupts are disabled on entry, then mask all interrupts in TPR before calling PAL_HALT_LIGHT.
-    //
-
-    //
-    // Save TPR
-    //
-    Tpr = AsmReadTpr();
-    //
-    // Set TPR.mmi to mask all external interrupts
-    //
-    AsmWriteTpr (BIT16 | Tpr);
-
-    PalCall (PAL_HALT_LIGHT, 0, 0, 0);
-
-    //
-    // Restore TPR
-    //
-    AsmWriteTpr (Tpr);
-  }
-}