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/MdePkg/Library/BaseTimerLibNullTemplate | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate')
3 files changed, 187 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf new file mode 100644 index 000000000..aa6919af9 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf @@ -0,0 +1,40 @@ +## @file
+# NULL instance of Timer Library as a template.
+#
+# A non-functional instance of the Timer Library that can be used as a template
+# for the implementation of a functional timer library instance. This library instance can
+# also be used to test build DXE, Runtime, DXE SAL, and DXE SMM modules that require timer
+# services as well as EBC modules that require timer services.
+#
+# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BaseTimerLibNullTemplate
+ MODULE_UNI_FILE = BaseTimerLibNullTemplate.uni
+ FILE_GUID = f4731d79-537e-4505-bd52-c03f9b1f6b89
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = TimerLib
+
+
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ TimerLibNull.c
+
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+
+[LibraryClasses]
+ DebugLib
+
diff --git a/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.uni b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.uni new file mode 100644 index 000000000..737d21aa0 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.uni @@ -0,0 +1,19 @@ +// /** @file
+// NULL instance of Timer Library as a template.
+//
+// A non-functional instance of the Timer Library that can be used as a template
+// for the implementation of a functional timer library instance. This library instance can
+// also be used to test build DXE, Runtime, DXE SAL, and DXE SMM modules that require timer
+// services as well as EBC modules that require timer services.
+//
+// Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "NULL instance of Timer Library as a template"
+
+#string STR_MODULE_DESCRIPTION #language en-US "A non-functional instance of the Timer Library that can be used as a template for the implementation of a functional timer library instance. This library instance can also be used to test build DXE, Runtime, DXE SAL, and DXE SMM modules that require timer services, as well as EBC modules that require timer services."
+
diff --git a/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/TimerLibNull.c b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/TimerLibNull.c new file mode 100644 index 000000000..e095bb4d8 --- /dev/null +++ b/roms/edk2/MdePkg/Library/BaseTimerLibNullTemplate/TimerLibNull.c @@ -0,0 +1,128 @@ +/** @file
+ A non-functional instance of the Timer Library.
+
+ Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <Library/TimerLib.h>
+#include <Library/DebugLib.h>
+
+/**
+ Stalls the CPU for at least the given number of microseconds.
+
+ Stalls the CPU for the number of microseconds specified by MicroSeconds.
+
+ @param MicroSeconds The minimum number of microseconds to delay.
+
+ @return The value of MicroSeconds inputted.
+
+**/
+UINTN
+EFIAPI
+MicroSecondDelay (
+ IN UINTN MicroSeconds
+ )
+{
+ ASSERT (FALSE);
+ return MicroSeconds;
+}
+
+/**
+ Stalls the CPU for at least the given number of nanoseconds.
+
+ Stalls the CPU for the number of nanoseconds specified by NanoSeconds.
+
+ @param NanoSeconds The minimum number of nanoseconds to delay.
+
+ @return The value of NanoSeconds inputted.
+
+**/
+UINTN
+EFIAPI
+NanoSecondDelay (
+ IN UINTN NanoSeconds
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Retrieves the current value of a 64-bit free running performance counter.
+
+ The counter can either count up by 1 or count down by 1. If the physical
+ performance counter counts by a larger increment, then the counter values
+ must be translated. The properties of the counter can be retrieved from
+ GetPerformanceCounterProperties().
+
+ @return The current value of the free running performance counter.
+
+**/
+UINT64
+EFIAPI
+GetPerformanceCounter (
+ VOID
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Retrieves the 64-bit frequency in Hz and the range of performance counter
+ values.
+
+ If StartValue is not NULL, then the value that the performance counter starts
+ with immediately after is it rolls over is returned in StartValue. If
+ EndValue is not NULL, then the value that the performance counter end with
+ immediately before it rolls over is returned in EndValue. The 64-bit
+ frequency of the performance counter in Hz is always returned. If StartValue
+ is less than EndValue, then the performance counter counts up. If StartValue
+ is greater than EndValue, then the performance counter counts down. For
+ example, a 64-bit free running counter that counts up would have a StartValue
+ of 0 and an EndValue of 0xFFFFFFFFFFFFFFFF. A 24-bit free running counter
+ that counts down would have a StartValue of 0xFFFFFF and an EndValue of 0.
+
+ @param StartValue The value the performance counter starts with when it
+ rolls over.
+ @param EndValue The value that the performance counter ends with before
+ it rolls over.
+
+ @return The frequency in Hz.
+
+**/
+UINT64
+EFIAPI
+GetPerformanceCounterProperties (
+ OUT UINT64 *StartValue, OPTIONAL
+ OUT UINT64 *EndValue OPTIONAL
+ )
+{
+ ASSERT (FALSE);
+
+ return (UINT64)(-1);
+}
+
+/**
+ Converts elapsed ticks of performance counter to time in nanoseconds.
+
+ This function converts the elapsed ticks of running performance counter to
+ time value in unit of nanoseconds.
+
+ @param Ticks The number of elapsed ticks of running performance counter.
+
+ @return The elapsed time in nanoseconds.
+
+**/
+UINT64
+EFIAPI
+GetTimeInNanoSecond (
+ IN UINT64 Ticks
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
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