mounting these is the rc's job

bin/rc

@@ -1,5 +1,11 @@
 #!/bin/bash
 
+# Default virtual mounts for linux systems
+cfg_mounts+=( 'proc:proc:/proc:' )
+cfg_mounts+=( 'run:tmpfs:/run:' )
+cfg_mounts+=( 'sys:sysfs:/sys:' )
+cfg_mounts+=( 'dev:devtmpfs:/dev:' )
+
 # Functions
 rc.rescue() { exec "${cfg_rc_rescue_shell:-"$SHELL"}"; }
 
@@ -13,23 +19,14 @@ rc.motd() {
 	return 0
 }
 
-rc.mount() {
-	local fs
-	local fs_type
-	local mountpoint
-	local mount_options
-	
-	fs="$1"
-	fs_type="$2"
-	mountpoint="$3"
-	mount_options="${4:-defaults}"
-
-	mount "$1" -n -t "$2" -o "$mount_options" "$3"
-}
-
 rc.mount_misc() {
-	mountpoint -q /proc || { rc.mount proc proc /proc; }
-	mountpoint -q /dev || { rc.mount dev devtmpfs /dev; }
+	for m in "${cfg_mounts[@]}"; do
+		IFS=':' read fs fs_type mountpoint mount_options <<< "$m"
+
+		[[ "$mount_options" ]] || { mount_options='defaults' }
+
+		mount "$fs" -n -t "$fs_type" -o "$mount_options" "$mountpoint"
+	done
 }
 
 rc.parse_cmdline() {