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EmbeddedPkg/Library: Add VirtualRealTimeClockLib

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This is designed to be used on platforms where a a real RTC is not
available and relies on an RtcEpochSeconds variable having been set or,
if that is not the case, falls back to using the epoch embedded at
compilation time.

Note that, in order to keep things simple for the setting of the
compilation time variable, only GCC environments with UNIX-like shells
and where a 'date' command is available are meant to be supported for
now.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Pete Batard <pete@akeo.ie>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Pete Batard
2019-02-04 12:47:36 +00:00
committed by Ard Biesheuvel
parent 1b261a705f
commit 64a17fadcb
3 changed files with 444 additions and 0 deletions
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EmbeddedPkg/EmbeddedPkg.dsc
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@@ -218,6 +218,7 @@
EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.inf
EmbeddedPkg/Library/NonCoherentDmaLib/NonCoherentDmaLib.inf
EmbeddedPkg/Library/DxeDtPlatformDtbLoaderLibDefault/DxeDtPlatformDtbLoaderLibDefault.inf
EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.inf
EmbeddedPkg/EmbeddedMonotonicCounter/EmbeddedMonotonicCounter.inf
EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf