mirror of
https://github.com/Plexi09/Nadir-Kernel.git
synced 2026-10-20 15:07:27 +02:00
48 lines
1.7 KiB
YAML
48 lines
1.7 KiB
YAML
# Nadir Kernel CI. Runs on every pull request and every push to main.
|
|
#
|
|
# Builds nadir.img with make, verifies the image, then boots it headless in
|
|
# QEMU and asserts the kernel's welcome message reaches the screen.
|
|
|
|
name: CI
|
|
|
|
on:
|
|
push:
|
|
branches: [main]
|
|
pull_request:
|
|
|
|
permissions:
|
|
contents: read
|
|
|
|
jobs:
|
|
build-and-boot:
|
|
name: Build and boot in QEMU
|
|
runs-on: ubuntu-latest
|
|
steps:
|
|
- name: Check out repository
|
|
uses: actions/checkout@v4
|
|
|
|
- name: Install toolchain
|
|
# gcc, make and binutils ship with the runner; nasm and qemu do not.
|
|
run: sudo apt-get update && sudo apt-get install -y nasm qemu-system-x86
|
|
|
|
- name: Build image
|
|
run: make
|
|
|
|
- name: Verify image
|
|
# Every check prints what it saw: a silent bare `test` once hid a
|
|
# failure here, so each assertion reports and names its own failure.
|
|
run: |
|
|
set -euo pipefail
|
|
ls -l nadir.img
|
|
size=$(stat -c %s nadir.img)
|
|
echo "image size: $size bytes"
|
|
test "$size" -ge 1024 || { echo "FAIL: image smaller than sector+kernel minimum"; exit 1; }
|
|
test $(( (size - 512) % 512 )) -eq 0 || { echo "FAIL: kernel part is not sector-aligned"; exit 1; }
|
|
sig=$(dd if=nadir.img bs=1 skip=510 count=2 2>/dev/null | od -A n -t x1 | tr -d ' \n')
|
|
echo "boot signature: $sig"
|
|
test "$sig" = "55aa" || { echo "FAIL: missing 0xAA55 boot signature"; exit 1; }
|
|
grep -q "Nadir" nadir.img || { echo "FAIL: kernel payload missing from image"; exit 1; }
|
|
echo "OK: nadir.img valid, boot signature and payload present"
|
|
|
|
- name: Boot and check welcome message in QEMU
|
|
run: python3 .github/scripts/check_boot.py nadir.img
|