[edk2-devel] [edk2][PATCH V4 1/1] ArmPlatformPkg/PrePeiCore: Invoke constructors for SEC phase

[Rohit Mathew]

Hi,

Could anyone please let me know if there are any more comments on this patch? 
Saw that we have moved into soft freeze for edk2 and wanted to add that we had one round of review on the patch.

Regards,
Rohit

> -----Original Message-----
> From: Sami Mujawar <Sami.Mujawar at arm.com>
> Sent: 25 July 2022 12:12
> To: Rohit Mathew <Rohit.Mathew at arm.com>; devel at edk2.groups.io
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>; Rebecca Cran
> <rebecca at bsdio.com>; Pierre Gondois <Pierre.Gondois at arm.com>; Thomas
> Abraham <thomas.abraham at arm.com>; nd <nd at arm.com>
> Subject: Re: [edk2][PATCH V4 1/1] ArmPlatformPkg/PrePeiCore: Invoke
> constructors for SEC phase
> 
> Hi Rohit,
> 
> This patch looks good to me.
> 
> Reviewed-by: Sami Mujawar <sami.mujawar at arm.com>
> 
> Regards,
> 
> Sami Mujawar
> 
> On 22/07/2022 06:02 pm, Rohit Mathew wrote:
> > On platforms that do not have the serial console port pre-initialized
> > prior to the SEC phase and due to the absence of a call to
> > "SerialPortInitialize", this results in missing debug logs. So, call
> > the auto-generated "ProcessLibraryConstructorList" function from SEC
> > phase to have all the dependent library constructors called (this
> > includes a call to "SerialPortInitialize").
> >
> > Signed-off-by: Rohit Mathew <rohit.mathew at arm.com>
> > ---
> >   ArmPlatformPkg/PrePeiCore/PrePeiCore.h | 12 +++++++++++-
> >   ArmPlatformPkg/PrePeiCore/PrePeiCore.c |  6 +++++-
> >   2 files changed, 16 insertions(+), 2 deletions(-)
> >
> > Changes since V1:
> > - Rebased on top of latest master branch.
> > - Addressed comments from Ard.
> >
> > Changes since V2:
> > - Rebased on top of latest master branch.
> >
> > Changes since V3:
> > - Addressed comments from Sami.
> >
> > Link to github branch for the patch -
> > https://github.com/rohit-arm/edk2/tree/sec_constructor_issue
> >
> > diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
> > b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
> > index 0345dd7bdd2a..c1e13e23e11e 100644
> > --- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
> > +++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.h
> > @@ -1,7 +1,7 @@
> >   /** @file
> >     Main file supporting the transition to PEI Core in Normal World
> > for Versatile Express
> >
> > -  Copyright (c) 2011, ARM Limited. All rights reserved.
> > +  Copyright (c) 2011 - 2022, ARM Limited. All rights reserved.
> >
> >     SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -73,4 +73,14 @@ PeiCommonExceptionEntry (
> >     IN UINTN   LR
> >     );
> >
> > +/*
> > + * Autogenerated function that calls the library constructors for all
> > +of the
> > + * module's dependent libraries.
> > + */
> > +VOID
> > +EFIAPI
> > +ProcessLibraryConstructorList (
> > +  VOID
> > +  );
> > +
> >   #endif
> > diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c
> > b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c
> > index 6dd9bcdea24f..9c4b25df953d 100644
> > --- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c
> > +++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c
> > @@ -1,7 +1,7 @@
> >   /** @file
> >     Main file supporting the transition to PEI Core in Normal World
> > for Versatile Express
> >
> > -  Copyright (c) 2011-2014, ARM Limited. All rights reserved.
> > +  Copyright (c) 2011 - 2022, ARM Limited. All rights reserved.
> >
> >     SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > @@ -90,6 +90,10 @@ CEntryPoint (
> >
> >     // If not primary Jump to Secondary Main
> >     if (ArmPlatformIsPrimaryCore (MpId)) {
> > +    // Invoke "ProcessLibraryConstructorList" to have all library constructors
> > +    // called.
> > +    ProcessLibraryConstructorList ();
> > +
> >       // Initialize the Debug Agent for Source Level Debugging
> >       InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, NULL, NULL);
> >       SaveAndSetDebugTimerInterrupt (TRUE);


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