diff options
Diffstat (limited to 'EDK/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s')
| -rw-r--r-- | EDK/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s b/EDK/Foundation/Library/Pei/PeiLib/Ipf/PerformancePrimitives.s new file mode 100644 index 0000000..5aeb886 --- /dev/null +++ b/EDK/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) +//--------------------------------------------------------------------------- + |