diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s b/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s new file mode 100644 index 0000000000..5814bb71b7 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s @@ -0,0 +1,61 @@ +//++
+// Copyright (c) 2004, Intel Corporation
+// All rights reserved. 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.
+//
+// Module Name:
+//
+// PerformancePrimitives.s
+//
+// Abstract:
+//
+//
+// Revision History:
+//
+//--
+
+.file "PerformancePrimitives.s"
+
+#include "IpfMacro.i"
+
+//-----------------------------------------------------------------------------
+//++
+// GetTimerValue
+//
+// Implementation of CPU-based time service
+//
+// On Entry :
+// EFI_STATUS
+// GetTimerValue (
+// OUT UINT64 *TimerValue
+// )
+//
+// Return Value:
+// r8 = Status
+// r9 = 0
+// r10 = 0
+// r11 = 0
+//
+// As per static calling conventions.
+//
+//--
+//---------------------------------------------------------------------------
+PROCEDURE_ENTRY (GetTimerValue)
+
+ NESTED_SETUP (1,8,0,0)
+ mov r8 = ar.itc;;
+ st8 [r32]= r8
+ mov r8 = r0
+ mov r9 = r0
+ mov r10 = r0
+ mov r11 = r0
+ NESTED_RETURN
+
+PROCEDURE_EXIT (GetTimerValue)
+//---------------------------------------------------------------------------
+
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