Bootable applications - an introduction
summary
Builds and boots tiny UEFI applications from C and Zig using clang/LLVM + lld, produces PE32+ COFF executables and a bootable IMG that flashes to USB, runs under qemu + OVMF or on real PCs after toggling Secure Boot. Examples show console I/O, keyboard handling, direct framebuffer drawing (color fill and an 8x8 moving sprite), a watchdog disable, and a Dockerized toolchain; demos successfully boot on both emulator and a Macbook test.
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chapters (16)
- 0:00Introduction
- 2:14What is UEFI
- 6:07Why bootable UEFI apps
- 8:57UEFI architecture overview
- 12:06UEFI dev tools
- 16:06Building step by step
- 18:57Setting up the project repository
- 23:41Hello world app
- 27:41Local testing
- 33:06Frame buffer graphics
- 40:10Flash to USB and boot
- 44:42Advanced topics
- 52:10Game loop basics
- 56:37Questions and answers session
- 58:46Zig example
- 1:01:16Resources and closing
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