~/talk

Bootable applications - an introduction

Talkat NDC Oslo 2025 · 2025-05-19..05-23· [frontend-architecture]
slides:none on file

Hands-on guide that builds a UEFI bootable application in C producing a PE32+ EFI binary placed at EFI/BOOT/BOOTX64.EFI, compiles with clang/LLVM + lld, links against the lil-uefi header-only helpers, and tests in QEMU and as a USB-flashed image that boots on real hardware (2014 Mac demo). Scripts and a Docker image automate build and image creation; examples include text output, framebuffer color fill, and an XOR mouse cursor; notable limits: disable Secure Boot, no standard library or drivers, and no built-in threading.

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