treewide: move build helper to more fitting places
Change-Id: I3d0cfe9283222d403ae369ec9db09201ad511e15
Reviewed-on: https://review.monogon.dev/c/monogon/+/3327
Reviewed-by: Serge Bazanski <serge@monogon.tech>
Tested-by: Jenkins CI
diff --git a/osbase/build/mkimage/def.bzl b/osbase/build/mkimage/def.bzl
new file mode 100644
index 0000000..1663e3d
--- /dev/null
+++ b/osbase/build/mkimage/def.bzl
@@ -0,0 +1,48 @@
+def _node_image_impl(ctx):
+ img_file = ctx.actions.declare_file(ctx.label.name + ".img")
+ ctx.actions.run(
+ mnemonic = "MkImage",
+ executable = ctx.executable._mkimage,
+ arguments = [
+ "-efi",
+ ctx.file.kernel.path,
+ "-system",
+ ctx.file.system.path,
+ "-out",
+ img_file.path,
+ ],
+ inputs = [
+ ctx.file.kernel,
+ ctx.file.system,
+ ],
+ outputs = [img_file],
+ )
+
+ return [DefaultInfo(files = depset([img_file]), runfiles = ctx.runfiles(files = [img_file]))]
+
+node_image = rule(
+ implementation = _node_image_impl,
+ doc = """
+ Build a disk image from an EFI kernel payload and system partition
+ contents. See //osbase/build/mkimage for more information.
+ """,
+ attrs = {
+ "kernel": attr.label(
+ doc = "EFI binary containing a kernel.",
+ mandatory = True,
+ allow_single_file = True,
+ ),
+ "system": attr.label(
+ doc = "Contents of the system partition.",
+ mandatory = True,
+ allow_single_file = True,
+ ),
+ "_mkimage": attr.label(
+ doc = "The mkimage executable.",
+ default = "//osbase/build/mkimage",
+ allow_single_file = True,
+ executable = True,
+ cfg = "exec",
+ ),
+ },
+)