File: ArmGenericTimerVirtCounterLib.c

package info (click to toggle)
edk2 2025.11-4
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 338,436 kB
  • sloc: ansic: 2,166,377; asm: 270,725; perl: 235,301; python: 149,900; sh: 34,744; cpp: 23,311; makefile: 3,334; pascal: 1,602; xml: 806; lisp: 35; ruby: 16; sed: 6; tcl: 4
file content (126 lines) | stat: -rw-r--r-- 1,675 bytes parent folder | download | duplicates (4)
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
/** @file

  Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
  Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include <Library/ArmGenericTimerCounterLib.h>
#include <Library/ArmLib.h>

VOID
EFIAPI
ArmGenericTimerEnableTimer (
  VOID
  )
{
  UINTN  TimerCtrlReg;

  TimerCtrlReg  = ArmReadCntvCtl ();
  TimerCtrlReg |= ARM_ARCH_TIMER_ENABLE;
  ArmWriteCntvCtl (TimerCtrlReg);
}

VOID
EFIAPI
ArmGenericTimerReenableTimer (
  VOID
  )
{
}

VOID
EFIAPI
ArmGenericTimerDisableTimer (
  VOID
  )
{
  UINTN  TimerCtrlReg;

  TimerCtrlReg  = ArmReadCntvCtl ();
  TimerCtrlReg &= ~ARM_ARCH_TIMER_ENABLE;
  ArmWriteCntvCtl (TimerCtrlReg);
}

VOID
EFIAPI
ArmGenericTimerSetTimerFreq (
  IN   UINTN  FreqInHz
  )
{
  ArmWriteCntFrq (FreqInHz);
}

UINTN
EFIAPI
ArmGenericTimerGetTimerFreq (
  VOID
  )
{
  return ArmReadCntFrq ();
}

UINTN
EFIAPI
ArmGenericTimerGetTimerVal (
  VOID
  )
{
  return ArmReadCntvTval ();
}

VOID
EFIAPI
ArmGenericTimerSetTimerVal (
  IN   UINTN  Value
  )
{
  ArmWriteCntvTval (Value);
}

UINT64
EFIAPI
ArmGenericTimerGetSystemCount (
  VOID
  )
{
  return ArmReadCntvCt ();
}

UINTN
EFIAPI
ArmGenericTimerGetTimerCtrlReg (
  VOID
  )
{
  return ArmReadCntvCtl ();
}

VOID
EFIAPI
ArmGenericTimerSetTimerCtrlReg (
  UINTN  Value
  )
{
  ArmWriteCntvCtl (Value);
}

UINT64
EFIAPI
ArmGenericTimerGetCompareVal (
  VOID
  )
{
  return ArmReadCntvCval ();
}

VOID
EFIAPI
ArmGenericTimerSetCompareVal (
  IN   UINT64  Value
  )
{
  ArmWriteCntvCval (Value);
}