Support some special Win7PE

[Ventoy.git] / INSTALL / grub / grub.cfg

diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 284cce0807df47ac755811dafb8682c0c7f9c82d..0ef39ea6b778cff203c88a89284b29dcbf4768c8 100644 (file)
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -130,6 +130,11 @@ function get_os_type {
 
 function vt_check_compatible_pe {
     #Check for PE without external tools
+    #set compatible if ISO file is less than 80MB
+    if [ $vt_chosen_size -gt 33554432 -a $vt_chosen_size -le 83886080 ]; then
+        set ventoy_compatible=YES
+    fi
+
     return
 }
 
@@ -961,6 +966,14 @@ function legacy_linux_menu_func {
             set ventoy_fs_probe=iso9660
             loopback loop "$1$2"
         fi
+
+        if [ -f (loop)/isolinux/isolinux.cfg ]; then
+            if vt_iso9660_isjoliet; then
+                vt_iso9660_nojoliet 1
+                loopback -d loop
+                loopback loop "$1$2"
+            fi
+        fi
     
         vt_load_cpio  $vtoy_path  "$2" "$1" "busybox=$ventoy_busybox_ver"