blob: d5b0a1af02b2b1a8ac3170aff0b1e0b1ace80fd6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
//++
// Copyright (c) 2004, 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.
//
// 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)
//---------------------------------------------------------------------------
|