72 lines
2.4 KiB
Bash
Executable File
72 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# Builds the k-os disk: one ext4 filesystem holding every program init may
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# start, in /bin, and the apps (docs/apps.md). Init and storage themselves are packed into the kernel image.
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set -euo pipefail
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IMG="${IMG:-boot.img}"
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SIZE="${SIZE:-16M}"
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TARGET="riscv64gc-unknown-none-elf"
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BUILD_DIR="target/${TARGET}/release"
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# What the storage server's ext4 driver does not maintain, switched off so it
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# can write to the disk (see storage-server's tests/ext4_real.rs).
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FEATURES="^has_journal,^metadata_csum,^64bit,^dir_index,^huge_file,^orphan_file,^metadata_csum_seed"
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ROOT="$(mktemp -d)"
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trap 'rm -rf "${ROOT}"' EXIT
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copy() {
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local src="$1" dst="$2"
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if [ -f "${BUILD_DIR}/${src}" ]; then
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cp "${BUILD_DIR}/${src}" "${ROOT}/bin/${dst}"
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fi
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}
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# An app, installed and pre-approved by whoever builds the image, or (staged)
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# a folder the owner may install. See docs/apps.md.
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APP_IMAGE=(cargo run -q --release -p app-image --)
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app() {
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local crate="$1"
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if [ -f "${BUILD_DIR}/${crate}" ]; then
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"${APP_IMAGE[@]}" install "${ROOT}" "crates/apps/${crate}/manifest.toml" "${BUILD_DIR}/${crate}"
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fi
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}
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staged() {
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local crate="$1" folder="$2"
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if [ -f "${BUILD_DIR}/${crate}" ]; then
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"${APP_IMAGE[@]}" stage "${ROOT}/factory/home/${folder}" "crates/apps/${crate}/manifest.toml" "${BUILD_DIR}/${crate}"
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fi
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}
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# Each user's folder in users/ is encrypted, so not filled here: init seeds
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# a new user's areas from factory/ (plaintext) once they are signed in.
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mkdir -p "${ROOT}/bin" "${ROOT}/apps" "${ROOT}/users" "${ROOT}/factory/home" "${ROOT}/factory/permissions" "${ROOT}/factory/data" "${ROOT}/factory/apps"
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# System servers and the shell: init starts these.
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copy display-qemu display
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copy input-qemu input
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copy log-server log
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copy permission-manager permission
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copy session-server session
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copy terminal-server terminal
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copy shell shell
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copy gatekeeper gatekeeper
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# Apps.
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app cat
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app ls
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app sleep
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app snake
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staged counter inbox/counter
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# A user's first files.
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cp -r disk/home/. "${ROOT}/factory/home/"
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# Only the test image: its presence makes init run the self-test.
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if [ -n "${SMPTEST:-}" ]; then
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copy smptest smptest
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copy spawntest spawntest
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copy hello hello
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copy flaky flaky
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fi
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rm -f "${IMG}"
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mkfs.ext4 -q -F -b 4096 -L k-os -O "${FEATURES}" -d "${ROOT}" "${IMG}" "${SIZE}"
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echo "=== ${IMG}: ext4, ${SIZE} ==="
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find "${ROOT}" -mindepth 1 | sed "s|${ROOT}/||" | sort
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