core: 完善 tty

redhat.cfg

@@ -46,22 +46,8 @@ done
 
 # 设置 tty
 include=/tmp/include-bootloader
-str=
-for tty in tty0 ttyS0 ttyAMA0; do
-    dev_tty=/dev/$tty
-    if [ -e $dev_tty ] && echo >$dev_tty 2>/dev/null; then
-        if [ -z "$str" ]; then
-            str="console=$tty"
-        else
-            str="$str console=$tty"
-        fi
-    fi
-done
-if [ -n "$str" ]; then
-    echo "bootloader --append=\"$str\"" >$include
-else
-    echo "bootloader" >$include
-fi
+console_cmdline=$(wget $confhome/ttys.sh -O- | sh -s console=)
+echo "bootloader --append=\"$console_cmdline\"" >$include
 
 # 有 installer 分区，表示用了两步安装
 include=/tmp/include-packages-for-resize