From 4a31eb780a35063a34cad7374987db3be6d1e66b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <soeren+git@soeren-tempel.net>
Date: Mon, 26 Sep 2022 04:06:30 +0200
Subject: [PATCH] init: allow force loading of extra modules via the kernel
 command-line

Fixes #186
---
 docs/manpage.md | 1 +
 init/cmdline.go | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/docs/manpage.md b/docs/manpage.md
index f8912fdb..7a9feb60 100644
--- a/docs/manpage.md
+++ b/docs/manpage.md
@@ -129,6 +129,7 @@ Some parts of booster boot functionality can be modified with kernel boot parame
    If debug level is enabled then kmsg throttling gets disabled automatically.
  * `booster.debug` an obsolete option that is equivalent to `booster.log=debug,console`.
  * `quiet` Set booster init verbosity to minimum. This option is ignored if `booster.debug` or `booster.log` is set.
+ * `modules` a comma-separated list of extra kernel modules which should be force loaded.
  * `init=$PATH` path to user-space init binary. If not specified then default value `/sbin/init` is used.
 
 ## NOTES
diff --git a/init/cmdline.go b/init/cmdline.go
index fb9d4efd..4b458dff 100644
--- a/init/cmdline.go
+++ b/init/cmdline.go
@@ -192,7 +192,13 @@ func parseParams(params string) error {
 			if err != nil {
 				return fmt.Errorf("root=%s: %v", value, err)
 			}
+		case "modules":
+			if (value == "") {
+				break
+			}
 
+			modules := strings.Split(value, ",")
+			config.ModulesForceLoad = append(config.ModulesForceLoad, modules...)
 		case "resume":
 			var err error
 			cmdResume, err = parseDeviceRef(value)