On 30 November 2017 at 14:07, Leif Lindholm <leif.lindh...@linaro.org> wrote:
> Commit a63be426f8e3 ("ArmPlatformPkg: Store initial timer value") caused
> BeagleBoard to stop building, due to Omap35xxTimerLib lacking an
> implementation of GetTimeInNanoSecond (). So add one.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Leif Lindholm <leif.lindh...@linaro.org>
> ---
> Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
> b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
> index 652c47b6f6..33b314922b 100644
> --- a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
> +++ b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
> @@ -131,3 +131,27 @@ GetPerformanceCounterProperties (
>
> return PcdGet64(PcdEmbeddedPerformanceCounterFrequencyInHz);
> }
> +
> +/**
> + 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
> + )
> +{
> + UINT32 Period;
> +
> + Period = PcdGet32 (PcdEmbeddedPerformanceCounterPeriodInNanoseconds);
> +
> + return (GetPerformanceCounter () * Period);
Shouldn't this use 'Ticks' anywhere?
> +}
> --
> 2.11.0
>
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