init: Export Android version from kernel command line

This flag will be provided by our flasher to facilitate support for both Android Pie and 10 in the same kernel. Signed-off-by: Danny Lin <[email protected]> Signed-off-by: Oktapra Amtono <[email protected]> Signed-off-by: RyuujiX <[email protected]> Signed-off-by: Kneba <[email protected]> Signed-off-by: negrroo <[email protected]>
reocat · Jan 24, 2024 · d812587 · d812587
1 parent 9d2db6d
commit d812587
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diff --git a/include/linux/android_version.h b/include/linux/android_version.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+unsigned int get_android_version(void);
diff --git a/init/main.c b/init/main.c
@@ -129,6 +129,20 @@ static char *initcall_command_line;
 static char *execute_command;
 static char *ramdisk_execute_command;
 
+static unsigned int android_version = 9;
+
+static int __init set_android_version(char *val)
+{
+	get_option(&val, &android_version);
+	return 0;
+}
+__setup("androidboot.version=", set_android_version);
+
+unsigned int get_android_version(void)
+{
+	return android_version;
+}
+
 /*
  * Used to generate warnings if static_key manipulation functions are used
  * before jump_label_init is called.