feat: add linux kernel initramfs and related tools

Signed-off-by: sisungo <[email protected]>

packages/linux/pkgbuild.py

@@ -1,24 +1,31 @@
 import os
 import shutil
+import subprocess
 
-import lib.arch as arch
-import lib.cpp as cpp
+from lib import cpp, arch, packie
 from lib.make import *
 
-upstream_version = "6.18.45"
+
+upstream_version = "7.2.3"
 
 version(f"{upstream_version}")
 description("the Linux operating system kernel")
 maintainer("sisungo <[email protected]>")
 source_url(
-    f"https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-{upstream_version}.tar.xz"
+    f"https://cdn.kernel.org/pub/linux/kernel/v7.x/linux-{upstream_version}.tar.xz"
 )
 
 builddep("shortcut/c")
 builddep("shortcut/autotools")
 builddep("libncurses-dev")
-builddep("aws-lc-dev")
+builddep("aws-lc-dev @target")
 builddep("aws-lc-tools")
+builddep("airboot-linux-stage2-mkinitramfs")
+builddep("airboot-linux-stage2-arch @target")
+builddep("flex")
+builddep("bison")
+builddep("bc")
+builddep("gzip")
 
 
 def get_arch():
@@ -43,6 +50,14 @@ def build():
     )
     os.remove(f"../kmod_install/lib/modules/{upstream_version}/build")
 
+    asp_prefix = packie.prefix_of(f"airboot-linux-stage2-arch @{arch.get_target()}")
+    subprocess.run([
+        "mkinitramfs",
+        "-a", f"{asp_prefix}/data",
+        "-o", f"{os.getcwd()}/../initramfs.img",
+        "-m", f"{os.getcwd()}/../kmod_install",
+        "-k", upstream_version,
+    ], check=True)
 
 on_build(build)
 
@@ -78,6 +93,7 @@ def pack_linux(composer):
     except Exception:
         pass
     composer.add_dir(f"../kmod_install/lib/modules/{upstream_version}", "modules")
+    composer.addfile("../initramfs.img", "initramfs.img")
 
 
 package(f"{base_name}")