matrix-rs

UEFI app written in Rust

build

cargo build --target x86_64-unknown-uefi

Debian/Ubuntu QEMU & OVMF

sudo apt-get install qemu ovmf cp /usr/share/OVMF/OVMF_CODE.fd . cp /usr/share/OVMF/OVMF_VARS.fd .

Fedora QEMU & OVMF

sudo dnf install qemu-kvm edk2-ovmf cp /usr/share/edk2/ovmf/OVMF_CODE.fd . cp /usr/share/edk2/ovmf/OVMF_VARS.fd .

copy efi app to ESP

cp target/x86_64-unknown-uefi/debug/matrix-rs.efi esp/efi/boot/bootx64.efi

run in QEMU

qemu-system-x86_64 -enable-kvm \
    -drive if=pflash,format=raw,readonly=on,file=OVMF_CODE.fd \
    -drive if=pflash,format=raw,readonly=on,file=OVMF_VARS.fd \
    -drive format=raw,file=fat:rw:esp

On Hardware

Create the GPT, create a 9MB partition starting at 1MB, and set the partition type to EFI System.

sgdisk \
    --clear \
    --new=1:1M:10M \
    --typecode=1:C12A7328-F81F-11D2-BA4B-00A0C93EC93B \
    /path/to/disk

Format the partition as FAT.

mkfs.fat /path/to/disk_partition

Mount the partition.

mkdir esp mount /path/to/disk_partition esp

Create the boot directory.

mkdir esp/EFI/BOOT

Copy in the boot executable.

cp /path/to/your-executable.efi esp/EFI/BOOT/BOOTX64.EFI

hi7/matrix-rs