Re: [edk2-devel] Resources for Creating Packages

["Michael D Kinney" <michael.d.kinney@intel.com>]

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of ryderkeys
> via groups.io
> Sent: Monday, January 22, 2024 10:25 AM
> To: devel@edk2.groups.io
> Subject: [edk2-devel] Resources for Creating Packages
> 
> Hello,
> 
> (Originally sent to edk2 discuss but it looks like my message has been
> stuck in moderation for a week, so I thought I would try here instead.)
> 
> I am new to UEFI and trying to learn how to use EDK 2. I have been able
> to build EmulatorPkg with stuart but I had a couple questions on where
> to go from here. I was hoping someone might be able to give some
> guidance or pointers. Any help is much appreciated.
> 
> 1. How can I build a UEFI application with a new package? I see the
> https://github.com/tianocore/tianocore.github.io/wiki/Getting-Started-
> Writing-Simple-Application suggests to edit an existing package DSC file
> with the INF file for my module. Which works fine. But where would I
> begin if I wanted to create my own package without commandeering the
> build for an already existing package? Would I just have to create a DSC
> file on my own? Is there a resource I can read on how to create new
> packages with EDK 2, or is this not the recommended way to get started
> building applications?

There are some detailed instructions in the following document that is
focused on writing UEFI Drivers, but the instructions apply equally well
to UEFI Applications.  Look at the "Building UEFI Drivers" chapter.

* https://tianocore-docs.github.io/edk2-UefiDriverWritersGuide/draft/edk2-UefiDriverWritersGuide-draft.pdf
* https://tianocore-docs.github.io/edk2-UefiDriverWritersGuide/draft/
* https://tianocore-docs.github.io/edk2-UefiDriverWritersGuide/draft/30_building_uefi_drivers/#30-building-uefi-drivers

There is also a wizard to help with creating packages and libraries:

* https://github.com/tianocore/tianocore.github.io/wiki/UEFI-Driver-Wizard

> 
> 2. What exactly is in MdeModulePkg? I just noticed it has a similar name
> to MdePkg and wondered what the difference between the two was. The wiki
> (https://github.com/tianocore/tianocore.github.io/wiki/MdeModulePkg)
> says "This package provides the modules that conform to UEFI/PI Industry
> standards. It also provides the defintions(including
> PPIs/PROTOCOLs/GUIDs and library classes) and libraries instances, which
> are used for those modules." but I'm not completely sure what this
> means. Is someone able to elaborate?

* MdePkg is include files and libraries for Industry Standard/Pubic specifications
* MdeModulePkg is module implementations that only depend on includes from MdePkg
  and any EDK II specific extensions defined in MdeModulePkg. 

> 
> Thank you,
> Ryder
> 
> 
> 
> 



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