move dev stuff to hack/dev

hack/dev/kernel/docker-build.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+set -e
+
+TARGET_KARCH=""
+TARGET_SARCH=""
+
+MAYBE_CROSS_COMPILE=""
+
+CURRENT_SARCH="$(uname -m)"
+
+[ "${CURRENT_SARCH}" = "amd64" ] && CURRENT_SARCH="x86_64"
+[ "${CURRENT_SARCH}" = "arm64" ] && CURRENT_SARCH="aarch64"
+
+if [ "${TARGETPLATFORM}" = "linux/aarch64" ] || [ "${TARGETPLATFORM}" = "linux/arm64" ]; then
+	TARGET_KARCH="arm64"
+	TARGET_SARCH="aarch64"
+	if [ "${CURRENT_SARCH}" != "${TARGET_SARCH}" ]; then
+		MAYBE_CROSS_COMPILE="aarch64-linux-gnu-"
+	fi
+elif [ "${TARGETPLATFORM}" = "linux/x86_64" ] || [ "${TARGETPLATFORM}" = "linux/amd64" ]; then
+	TARGET_KARCH="x86_64"
+	TARGET_SARCH="x86_64"
+	if [ "${CURRENT_SARCH}" != "${TARGET_SARCH}" ]; then
+		MAYBE_CROSS_COMPILE="x86_64-linux-gnu-"
+	fi
+else
+	echo "Unknown platform: ${TARGETPLATFORM}" >/dev/stderr
+	exit 1
+fi
+
+make CROSS_COMPILE="${MAYBE_CROSS_COMPILE}" ARCH="${TARGET_KARCH}" defconfig
+make CROSS_COMPILE="${MAYBE_CROSS_COMPILE}" ARCH="${TARGET_KARCH}" mod2yesconfig
+
+./scripts/config -e DRM_VIRTIO_GPU
+./scripts/config -e FRAMEBUFFER_CONSOLE
+./scripts/config -e FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
+
+make "-j$(nproc)" CROSS_COMPILE="${MAYBE_CROSS_COMPILE}" ARCH="${TARGET_KARCH}"
+
+[ -f "arch/x86/boot/bzImage" ] && cp "arch/x86/boot/bzImage" kernel.image
+[ -f "arch/arm64/boot/Image.gz" ] && gzip -d < "arch/arm64/boot/Image.gz" > kernel.image
+exit 0