Thanks Andrew and Marvin,

> 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.

Looks this is difficult that I can force order on already available code. 

> Worst case you can demote FpgaInterfaceInit () from being a constructor to 
> just

Currently I am forcing the clock lib to call FpgaInterfaceInit first, this 
clock lib 
gives input clock to PL011 serial driver. 

Regards
Udit

> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of
> Andrew Fish
> Sent: Thursday, July 19, 2018 11:56 PM
> To: Marvin H?user <marvin.haeu...@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.haeu...@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-boun...@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
> >> _______________________________________________
> >> edk2-devel mailing list
> >> edk2-devel@lists.01.org
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> devel&amp;data=02%7C01%7Cudit.
> >>
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> b4c6f
> >>
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