multiboot: Add a menu item to attempt booting images from ram.

[monosys] / hacks / multiboot-setup

diff --git a/hacks/multiboot-setup b/hacks/multiboot-setup
index 8abc2be26cc0023191a351dd33b2c6ed156cd6ae..1358aa572e60b3bc185c943641cc493586e17c44 100755 (executable)
--- a/hacks/multiboot-setup
+++ b/hacks/multiboot-setup
@@ -108,17 +108,24 @@ insmod part_msdos
 insmod progress
 insmod regexp
 search --set=root --label $PARTITION_LABEL
+set maybe_to_ram=''
+
+menuentry "Copy ISO image to ram before booting" {
+  # copytoram is used by arch
+  # toram is used by casper based images (tails, Ubuntu, etc)
+  set maybe_to_ram="copytoram toram"
+}
 
 function setup_arch {
   menuentry "\$1" {
     loopback loop \$1
     echo "Loading kernel..."
-    linux (loop)/arch/boot/x86_64/vmlinuz-* img_label=${PARTITION_LABEL} img_loop=\$1 archisobasedir=arch earlymodules=loop
+    linux (loop)/arch/boot/x86_64/vmlinuz-* img_label=${PARTITION_LABEL} img_loop=\$1 archisobasedir=arch earlymodules=loop \$maybe_to_ram
     echo "Loading initrd (and microcode if they exist)..."
     initrd (loop)/arch/boot/*.img (loop)/arch/boot/x86_64/initramfs-*.img
   }
 }
-for iso in /archlinux-*.iso; do
+for iso in /archlinux-*.iso /isos/archlinux-*.iso; do
   if [ -f "\$iso" ]; then
     setup_arch \$iso
   fi
@@ -158,11 +165,13 @@ function setup_fedora {
   menuentry "\$1" {
     loopback loop \$1
     probe -s iso_label -l (loop)
+    echo "Loading kernel..."
     linux (loop)/isolinux/vmlinuz root=live:CDLABEL=\$iso_label rd.live.image quiet iso-scan/filename=\$1
+    echo "Loading initrd..."
     initrd (loop)/isolinux/initrd.img
   }
 }
-for iso in /Fedora-Workstation-Live-*.iso; do
+for iso in /Fedora-Workstation-Live-*.iso /isos/Fedora-Workstation-Live-*.iso; do
   if [ -f "\$iso" ]; then
     setup_fedora \$iso
   fi
@@ -171,16 +180,33 @@ done
 function setup_ubuntu {
   menuentry "\$1" {
     loopback loop \$1
-    linux (loop)/casper/vmlinuz* boot=casper quiet iso-scan/filename=\$1
+    echo "Loading kernel..."
+    linux (loop)/casper/vmlinuz* boot=casper quiet iso-scan/filename=\$1 \$maybe_to_ram
+    echo "Loading initrd..."
     initrd (loop)/casper/initrd*
   }
 }
-for iso in /ubuntu-*-desktop-*.iso; do
+for iso in /ubuntu-*-desktop-*.iso /isos/ubuntu-*-desktop-*.iso; do
   if [ -f "\$iso" ]; then
     setup_ubuntu \$iso
   fi
 done
 
+function setup_tails {
+  menuentry "\$1" {
+    loopback loop \$1
+    echo "Loading kernel..."
+    linux (loop)/live/vmlinuz* initrd=/live/initrd.img boot=live config iso-scan/filename=\$1 findiso=\$1 nopersistence noprompt timezone=Etc/UTC noautologin module=Tails slab_nomerge slub_debug=FZP mce=0 vsyscall=none page_poison=1 init_on_free=1 mds=full,nosmt splash quiet \$maybe_to_ram
+    echo "Loading initrd..."
+    initrd (loop)/live/initrd*
+  }
+}
+for iso in /tails-*.iso /isos/tails-*.iso; do
+  if [ -f "\$iso" ]; then
+    setup_tails \$iso
+  fi
+done
+
 EOT
 }