iso: add support for windows xp (#205)

arch/legacy/ntboot/INSTALLXP

@@ -0,0 +1,47 @@
+!BAT
+:: INSTALLXP
+:: Grub2-FileManager
+:: Copyright (C) 2020  A1ive.
+::
+:: Grub2-FileManager is free software: you can redistribute it and/or modify
+:: it under the terms of the GNU General Public License as published by
+:: the Free Software Foundation, either version 3 of the License, or
+:: (at your option) any later version.
+::
+:: Grub2-FileManager is distributed in the hope that it will be useful,
+:: but WITHOUT ANY WARRANTY; without even the implied warranty of
+:: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+:: GNU General Public License for more details.
+::
+:: You should have received a copy of the GNU General Public License
+:: along with Grub2-FileManager.  If not, see <http://www.gnu.org/licenses/>.
+debug=off
+
+set dev=@
+if /I "%1"=="cd" set dev=(0xff) && set step=1
+if /I "%1"=="hd" set dev=(hd0) && set step=2
+if "%dev%"=="@" echo && echo #1 Parameters ERROR && goto :exit
+shift
+
+echo -e %* | set img=
+find --set-root --ignore-floppies %img%
+if NOT exist %img% echo File not exist && goto :exit
+
+map --mem (rd)+1 (fd0)
+map --mem (rd)+1 (fd1)
+
+echo Loading %img% ...
+map %img% (0xff) || map --mem %img% (0xff)
+map (hd0) (hd1)
+map (hd1) (hd0)
+map --hook
+
+echo Install Windows XP - STEP %step%
+rootnoverify %dev%
+chainloader %dev% || chainloader +1 || chainloader %dev%+1 || goto :exit
+boot
+
+:exit
+echo
+pause press any key to exit ...
+reboot

boot/grubfm/distro/winxp.sh

@@ -0,0 +1,13 @@
+source ${prefix}/func.sh;
+
+menuentry "Install Windows XP - STEP 1" --class nt5 {
+  set g4d_cmd="find --set-root --ignore-floppies /fm.loop;/INSTALLXP cd ${grubfm_path};";
+  linux ${prefix}/grub.exe --config-file=${g4d_cmd};
+  initrd ${prefix}/winvblk.gz;
+}
+
+menuentry "Install Windows XP - STEP 2" --class nt5 {
+  set g4d_cmd="find --set-root --ignore-floppies /fm.loop;/INSTALLXP hd ${grubfm_path};";
+  linux ${prefix}/grub.exe --config-file=${g4d_cmd};
+  initrd ${prefix}/winvblk.gz;
+}

boot/grubfm/rules/iso/loop_detect.sh

@@ -72,6 +72,14 @@ function iso_detect {
       lua ${prefix}/rules/iso/winpe.lua;
     }
   fi;
+  if [ -f (loop)/WIN51 ];
+  then
+    export linux_extra=" ";
+    export icon=nt5;
+    export distro="Windows XP";
+    export src=winxp;
+    return;
+  fi;
   if [ -d (loop)/casper ];
   then
     export linux_extra="iso-scan/filename=${grubfm_path}";