FFS Alignment and the FDF Specification

["Tim Lewis" <tim.lewis@insyde.com>]

Is my understanding correct: the FDF specification only supports a maximum
of 64KB alignment for files (section 2.5.6), but the PI specification
supports (table 7), up to 16MB alignment. Or am I misreading it?

Thanks,

Tim

-----Original Message-----
From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Andrew Fish
Sent: Thursday, July 19, 2018 11:26 AM
To: Marvin H?user <Marvin.Haeuser@outlook.com>
Cc: edk2-devel@lists.01.org
Subject: Re: [edk2] Help on AutoGen Files

Udit,

As Marvin points out the [LibraryClasses] section of the INF file are going
to imply the order of the library constructor calls in the AutoGen

Worst case you can demote FpgaInterfaceInit () from being a constructor to
just being a public library function that the other lib can call explicitly
from its constructor. Maybe that is too drastic and you could must move a
function out of FpgaInterfaceInit () and make that function part of the
Public library interface?

Thanks,

Andrew Fish

> On Jul 19, 2018, at 11:14 AM, Marvin H?user <Marvin.Haeuser@outlook.com>
wrote:
> 
> Hey Udit,
> 
> You cannot explicitly influence the order of the calls, but implicitly via
the dependency tree, which means you need to make SerialPortLib depend on
your LibraryClass instance.
> You did not mention which SerialPortLib instance you use, but probably you
need to execute FpgaInterfaceInit() earlier in platform code or fork
SerialPortLib for now.
> 
> Regards,
> Marvin
> 
>> -----Original Message-----
>> From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Udit 
>> Kumar
>> Sent: Thursday, July 19, 2018 9:33 AM
>> To: edk2-devel@lists.01.org
>> Subject: [edk2] Help on AutoGen Files
>> 
>> Hi Experts,
>> How I can change the order of initialization in Constructor list of
autogen file.
>> In my build system, if I look at
>> MdeModulePkg/Universal/PCD/Pei/Pcd/DEBUG/AutoGen.c
>> Below is function of Library Constructor List
>> 
>> VOID
>> EFIAPI
>> ProcessLibraryConstructorList (
>>  IN       EFI_PEI_FILE_HANDLE       FileHandle,
>>  IN CONST EFI_PEI_SERVICES          **PeiServices
>>  )
>> {
>>  EFI_STATUS  Status;
>> 
>>  Status = BaseDebugLibSerialPortConstructor ();  ASSERT_EFI_ERROR 
>> (Status);
>> 
>>  Status = PeiServicesTablePointerLibConstructor (FileHandle, 
>> PeiServices);  ASSERT_EFI_ERROR (Status);
>> 
>>  Status = TimerConstructor ();
>>  ASSERT_EFI_ERROR (Status);
>> 
>>  Status = FpgaInterfaceInit ();
>>  ASSERT_EFI_ERROR (Status);
>> 
>> }
>> 
>> 
>> My problem is SerialPortConstructor needs frequency, which can be 
>> retrieved after  FpgaInterfaceInit() Therefore, my preferred way for 
>> this constructor list will be
>> FpgaInterfaceInit() followed by  BaseDebugLibSerialPortConstructor()
>> 
>> how I can achieve this.
>> 
>> 
>> Many Thanks
>> Udit
>> _______________________________________________
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>> edk2-devel@lists.01.org
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