Tianocore/edk2.git/EmbeddedPkg/Library/VirtualRealTimeClockLib/VirtualRealTimeClockLib.c, branch master

EmbeddedPkg/Library/VirtualRealTimeClockLib: Fix type mismatch

2026-01-22T19:58:43+00:00

Signed-off-by: Michael D Kinney

EmbeddedPkg/VirtualRealTimeClockLib: Use SOURCE_DATE_EPOCH

2025-10-16T10:41:09+00:00

Change VirtualRealTimeClockLib.inf to use SOURCE_DATE_EPOCH instead of Linux only shell command. This allows this library to be used in Windows build environments. Signed-off-by: Leif Lindholm

EmbeddedPkg: Fix some spelling mistakes found by cspell

2024-08-01T19:53:47+00:00

When cspell is installed (via `npm install cspell`), CI checks for spelling mistakes. There are currently a very large number of them: some are genuine mistakes while others are words or acryonyms that cspell doesn't know. Fix a few of the misspellings in EmbeddedPkg. Signed-off-by: Rebecca Cran

EmbeddedPkg/VirtualRealTimeClockLib: drop LibRtcVirtualNotifyEvent

2023-10-18T16:15:41+00:00

The RealTimeClockLib class header in edk2 mistakenly declares a function called LibRtcVirtualNotifyEvent(). No component ever calls this function crossing module boundaries; all RealTimeClockLib instances in edk2 and edk2-platforms are supposed to register (and do register) their SetVirtualAddressMap() notification functions. In particular, VirtualRealTimeClockLib *itself* doesn't even use LibRtcVirtualNotifyEvent() -- the function is defined with an empty body, clearly in an understandable, but misguided, attempt, to conform to the (bogus) library interface. Remove the function. Build-tested only (with "RiscVVirtQemu.dsc"). Cc: Abner Chang Cc: Ard Biesheuvel Cc: Daniel Schaefer Cc: Leif Lindholm Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=4564 Signed-off-by: Laszlo Ersek Message-Id: <20231012091057.108728-5-lersek@redhat.com> Reviewed-by: Ard Biesheuvel

EmbeddedPkg: Remove duplicated words

2022-09-05T13:52:51+00:00

In an effort to clean the documentation of the above package, remove duplicated words. Signed-off-by: Pierre Gondois Reviewed-by: Leif Lindholm Reviewed-by: Abner Chang

EmbeddedPkg: Apply uncrustify changes

2021-12-07T17:24:28+00:00

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the EmbeddedPkg package Cc: Andrew Fish Cc: Leif Lindholm Cc: Michael D Kinney Signed-off-by: Michael Kubacki Reviewed-by: Andrew Fish

EmbeddedPkg/VirtualRealTimeClockLib: Fix SetTime issues

2021-07-29T10:13:32+00:00

This patch fixes two issues below: 1. SCT SetTime_Func failures. - https://github.com/pftf/RPi4/issues/164 2. Using shell time and date commands to set time can't work. The problem is that gRT->SetTime always returns EFI_INVALID_PARAMETER error status. The root cause is that LibSetTime() sets RtcEpochSeconds variable with inconsistent attributes. One is without EFI_VARIABLE_NON_VOLATILE, the other one is with EFI_VARIABLE_NON_VOLATILE. That caused that the variable driver returns EFI_INVALID_PARAMETER. Per UEFI spec, if a preexisting variable is rewritten with different attributes, SetVariable() shall not modify the variable and shall return EFI_INVALID_PARAMETER. Therefore, the solution is to add EFI_VARIABLE_NON_VOLATILE attribute to the first EfiSetVariable() call to make two calls consistent. By the way, this patch also fix a minor issue with a debug message. Signed-off-by: Sunny Wang Reviewed-by: Pete Batard Tested-by: Pete Batard

EmbeddedPkg: Only print LibGetTime message about compile time epoch once

2021-03-08T12:28:20+00:00

The message "LibGetTime: RtcEpochSeconds non volatile variable was not found - Using compilation time epoch." can be printed a very large number of times, causing log files to become excessively large. This is because the RtcEpochSeconds variable only gets set if LibSetTime is called, for example by running 'time 12:00' in the UEFI Shell. Avoid this by setting RtcEpochSeconds to BUILD_EPOCH (EpochSeconds) after printing the message. It's set to a volatile variable so the message will be displayed on future boots and not hidden. Commit 44ae214591e58af468eacb7b873eaa0bc187c4fa reduced the verbosity of the message to DEBUG_VERBOSE. Revert it back to DEBUG_INFO so it's more prominent now that it doesn't get printed so frequently. Signed-off-by: Rebecca Cran Acked-by: Ard Biesheuvel Reviewed-by: Leif Lindholm

EmbeddedPkg/VirtualRealTimeClockLib: Reduce DEBUG message verbosity

2021-02-20T16:49:30+00:00

The DEBUG message for using compilation time epoch is appearing very frequently on DEBUG firmware builds, for example during UEFI SCT runs. Reduce verbosity to avoid the annoying repetitive message. Signed-off-by: Samer El-Haj-Mahmoud Reviewed-by: Ard Biesheuvel

EmbeddedPkg/VirtualRealTimeClockLib: Explicit cast to UINT32

2020-10-22T13:23:48+00:00

Addresses BZ https://bugzilla.tianocore.org/show_bug.cgi?id=2380 where explicit casts are required for 64 to 32 bit assignment. We can apply a straight cast for Time->Nanosecond since we already checked for overflow. On the other hand, we may have a frequency that is greater than UINT32_MAX for Capabilities->Resolution. But using the frequency for the resolution is the wrong approach anyway, since we can't actually vouch for the actual resolution of the virtual library. Instead, play it safe by defaulting to 1 Hz, which is what a standard PC-AT CMOS RTC device would use. Signed-off-by: Pete Batard Reviewed-by: Ard Biesheuvel