diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib')
2 files changed, 155 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.c b/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.c new file mode 100644 index 000000000..74c85dd75 --- /dev/null +++ b/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.c @@ -0,0 +1,127 @@ +/** @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);
+}
diff --git a/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf b/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf new file mode 100644 index 000000000..89fcb71c5 --- /dev/null +++ b/roms/edk2/ArmPkg/Library/ArmGenericTimerVirtCounterLib/ArmGenericTimerVirtCounterLib.inf @@ -0,0 +1,28 @@ +#/** @file
+# Implement ArmGenericTimerCounterLib using the virtual timer
+#
+# Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ArmGenericTimerVirtCounterLib
+ FILE_GUID = 3C0D77CC-4F27-49C8-B25C-2D01D81ED4D8
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ArmGenericTimerCounterLib
+
+[Sources]
+ ArmGenericTimerVirtCounterLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ ArmPkg/ArmPkg.dec
+
+[LibraryClasses]
+ ArmLib
+ BaseLib
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