What is UEFI Application?
Quick note explaining UEFI Application for BIOS/UEFI and embedded firmware readers.
What is UEFI Application?
UEFI Application is an EDK II build or module concept used to organize firmware source, metadata, dependencies, or platform configuration.
Why it matters
- Explains EDK II source and build metadata.
- Helps debug build, library resolution, and image-packaging issues.
- Useful when moving from embedded C to UEFI development.
Practical example
Example: when a module builds but does not appear in the final image, check both DSC inclusion and FDF/FV placement.
Quick checklist
- Is the module listed in the correct DSC?
- Is it placed in the expected FV through FDF?
- Are library classes, packages, PCDs, and DEPEX resolved correctly?
Quick takeaway
UEFI Application is a small concept, but it often becomes important when reading logs or debugging real firmware.
Related notes
- What is dmpstore?
- What is memmap command?
- What is drivers command?
- What is devtree command?
- What is PCD in EDK II?
Public references
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