GetWakeupTime should return full time information, including
the daylight/timezone. Make use of the existing non-volatile
variables for that purpose. Moreover add an error checking
of possibly invalid parameters.
This partially fixes FWTS and SCT Set/GetWakeupTime tests on
Marvell platforms.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
---
 EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
index e59036badc..85650a6ede 100644
--- a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
+++ b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
@@ -143,6 +143,17 @@ GetWakeupTime (
   OUT EFI_TIME    *Time
   )
 {
+  if (Time == NULL || Enabled == NULL || Pending == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
+  // Set these first so the RealTimeClockLib implementation
+  // can override them based on its own settings.
+  //
+  Time->TimeZone = mTimeSettings.TimeZone;
+  Time->Daylight = mTimeSettings.Daylight;
+
   return LibGetWakeupTime (Enabled, Pending, Time);
 }
 
-- 
2.29.0



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Looks good to me. Good catch!
Reviewed-by: Sunny Wang <sunny.wang@arm.com>

By the way, just FYI, I still run into the same problem (line-ending problem) with Windows Outlook and EDK2 email archive https://edk2.groups.io/g/devel/topic/patch/83043513?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,83043513. Moreover, Gmail works well, so I used it to review this patch.

Best Regards,
Sunny Wang

-----Original Message-----
From: Marcin Wojtas <mw@semihalf.com>
Sent: Monday, May 24, 2021 11:55 AM
To: devel@edk2.groups.io
Cc: michael.d.kinney@intel.com; leif@nuviainc.com; ardb+tianocore@kernel.org; Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Sunny Wang <Sunny.Wang@arm.com>; gjb@semihalf.com; upstream@semihalf.com; Marcin Wojtas <mw@semihalf.com>
Subject: [PATCH] EmbeddedPkg/RealTimeClockRuntimeDxe: Improve GetWakeupTime

GetWakeupTime should return full time information, including the daylight/timezone. Make use of the existing non-volatile variables for that purpose. Moreover add an error checking of possibly invalid parameters.
This partially fixes FWTS and SCT Set/GetWakeupTime tests on Marvell platforms.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
---
 EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
index e59036badc..85650a6ede 100644
--- a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
+++ b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
@@ -143,6 +143,17 @@ GetWakeupTime (
   OUT EFI_TIME    *Time   ) {+  if (Time == NULL || Enabled == NULL || Pending == NULL) {+    return EFI_INVALID_PARAMETER;+  }++  //+  // Set these first so the RealTimeClockLib implementation+  // can override them based on its own settings.+  //+  Time->TimeZone = mTimeSettings.TimeZone;+  Time->Daylight = mTimeSettings.Daylight;+   return LibGetWakeupTime (Enabled, Pending, Time); } --
2.29.0

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On Mon, 24 May 2021 at 05:55, Marcin Wojtas <mw@semihalf.com> wrote:
>
> GetWakeupTime should return full time information, including
> the daylight/timezone. Make use of the existing non-volatile
> variables for that purpose. Moreover add an error checking
> of possibly invalid parameters.
> This partially fixes FWTS and SCT Set/GetWakeupTime tests on
> Marvell platforms.
>
> Signed-off-by: Marcin Wojtas <mw@semihalf.com>

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>

Merged as #1682

Thanks,

> ---
>  EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
> index e59036badc..85650a6ede 100644
> --- a/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
> +++ b/EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClock.c
> @@ -143,6 +143,17 @@ GetWakeupTime (
>    OUT EFI_TIME    *Time
>    )
>  {
> +  if (Time == NULL || Enabled == NULL || Pending == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  //
> +  // Set these first so the RealTimeClockLib implementation
> +  // can override them based on its own settings.
> +  //
> +  Time->TimeZone = mTimeSettings.TimeZone;
> +  Time->Daylight = mTimeSettings.Daylight;
> +
>    return LibGetWakeupTime (Enabled, Pending, Time);
>  }
>
> --
> 2.29.0
>


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