make memdisk work with bios cmdpath

build.sh

@@ -108,19 +108,16 @@ echo -n "
 → ${MEMDISK_FILE}
 "
 echo -n "\
-# header
+echo \"prefix | \${prefix}\"
+search --no-floppy --set root --fs-uuid '${ESP}'
+prefix=\"(\${root})/boot/grub\"
+echo \"prefix | \${prefix}\"
 " > "${MEMDISK_FILE}"
 echo -n "
 ↙ ${GRUB_SHIGNED}
 ↘ ${MEMDISK_FILE}
 "
 cat "${GRUB_SHIGNED}" >> "${MEMDISK_FILE}"
-echo -n "
-→ ${MEMDISK_FILE}
-"
-echo -n "\
-# footer
-" >> "${MEMDISK_FILE}"
 
 echo -n "
 ↙ ${MEMDISK_ROOT}

grub.cfg.sh

@@ -74,6 +74,7 @@ function grub_list_xtra {
 }
 
 function grub_main {
+    echo '---'
     ls
     grub_list_const
     grub_split

readme.md

@@ -58,13 +58,14 @@ Build an ESP File System including:
 
 ## Tasks
 
-* build.sh
+* bash
   * args/pgp
   * args/esp & lsgm/cp
   * mimic grubx64.efi.signed
     * efi
     * bios
-* grub.cfg
+  * --prefix '(memdisk)'
+* live
   * check squashfs option
 * python