Auto use memdisk mode for Memtest86+ iso file.

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

diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index a59b82d02b47ec739a1e7f85c11f7ce30de9a11b..3cf4778987663bc055f57524c39bca1c7e6e276b 100644 (file)
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -1303,14 +1303,30 @@ function iso_common_menuentry {
         set vtcompat=1
     fi
 
+
+    # auto memdisk mode for some special ISO files
+    vt_iso_vd_id_parse "${vtoy_iso_part}${vt_chosen_path}"    
+    unset vtMemDiskBoot
+    if vt_check_mode 0; then
+        set vtMemDiskBoot=1
+    else
+        if [ "$grub_platform" = "pc" ]; then
+            if vt_iso_vd_id_begin 1 0 "Memtest86+"; then
+                set vtMemDiskBoot=1
+            fi
+        fi 
+    fi
+    vt_iso_vd_id_clear
+        
+
     if [ "$grub_platform" = "pc" ]; then
-        if vt_check_mode 0; then
+        if [ -n "$vtMemDiskBoot" ]; then
             legacy_iso_memdisk $vtoy_iso_part "$vt_chosen_path"
         else
             legacy_iso_menu_func $vtoy_iso_part "$vt_chosen_path"
         fi
     else
-        if vt_check_mode 0; then
+        if [ -n "$vtMemDiskBoot" ]; then
             uefi_iso_memdisk $vtoy_iso_part  "$vt_chosen_path"
         else
             uefi_iso_menu_func $vtoy_iso_part  "$vt_chosen_path"