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Align CI and docs with nadir.img artifact name

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This commit is contained in:
Pierre-Emmanuel Gob. 2026-09-17 22:20:34 +02:00
parent 7d736cd76d
commit 2b81747922
4 changed files with 18 additions and 14 deletions
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24
.github/workflows/ci.yml vendored
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@ -1,6 +1,6 @@
# Nadir Kernel CI. Runs on every pull request and every push to main.
#
# Builds os.img with make, verifies the image, then boots it headless in
# 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
@ -29,16 +29,20 @@ jobs:
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
test -f os.img
size=$(stat -c %s os.img)
test "$size" -ge 1024
test $(( (size - 512) % 512 )) -eq 0
sig=$(dd if=os.img bs=1 skip=510 count=2 2>/dev/null | od -A n -t x1 | tr -d ' \n')
test "$sig" = "55aa" || { echo "missing 0xAA55 boot signature"; exit 1; }
grep -q "Nadir" os.img || { echo "kernel payload missing from os.img"; exit 1; }
echo "os.img: $size bytes, boot signature and payload present"
ls -l nadir.img
size=$(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 os.img
run: python3 .github/scripts/check_boot.py nadir.img