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authorFrancis Rowe <info@gluglug.org.uk>2016-01-02 11:59:41 (EST)
committer Francis Rowe <info@gluglug.org.uk>2016-01-02 11:59:41 (EST)
commit417361f8b794ffe433f1400e043c6bd6e9778ffc (patch)
tree7d3f73973f6f02be170aa89006f995a24c1d29f6 /resources/grub/config/menuentries
parentb17525f25651cfd2e98f25fabdb6e0786fbeb2d9 (diff)
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grub.cfg: eliminate use of * wildcard
This causes huge boot delays, because GRUB is extremely slow at enumerating the list of available devices/partitions.
Diffstat (limited to 'resources/grub/config/menuentries')
-rw-r--r--resources/grub/config/menuentries/common.cfg35
1 files changed, 30 insertions, 5 deletions
diff --git a/resources/grub/config/menuentries/common.cfg b/resources/grub/config/menuentries/common.cfg
index feaefe6..b64b4de 100644
--- a/resources/grub/config/menuentries/common.cfg
+++ b/resources/grub/config/menuentries/common.cfg
@@ -11,10 +11,15 @@ menuentry 'Load Operating System (incl. fully encrypted disks) [o]' --hotkey='o
# a) Try RAID first, they might be used (accross multiple (raw) devices)
# b) Try MBR/GPT partitions at last, one might still conviniently uses a single partition
- for d in md/0 ahci0 ahci1 (ahci0,*) (ahci1,*); do
+ for d in md/0 ahci0 ahci1; do
# prompt user for passphrase if LUKS header is found
cryptomount ${d}
done
+ for j in 1 2 3 4 5 6 7 8 9; do
+ for d in ahci0 ahci1; do
+ cryptomount "${d},${j}"
+ done
+ done
# (This way, we only need to scan for encrypted data once while covering every possible disk setup,
# be it BTRFS/ZFS/ext4/etc. (on LUKS) (on RAID) on/across raw devices/MBR/GPT
@@ -22,8 +27,8 @@ menuentry 'Load Operating System (incl. fully encrypted disks) [o]' --hotkey='o
# 2. Look for user config. If the above routine successfully decrypted a LUKS container, its content
# will be searched before everything else for obvious reasons. Regardless of this, the devices'
# hirachy stays the same.
- for d in crypto0 (crypt0,*) md/0 ahci0 ahci1 (ahci0,*) (ahci1,*); do
- set root=${d}
+ for d in crypto0 md/0 ahci0 ahci1; do
+ set root="${d}"
# a) Check possible file locations...
for p in boot/grub/libreboot_ grub/libreboot_ boot/grub/ grub/ boot/grub2 grub2/; do
if [ -f "/${p}grub.cfg" ]; then
@@ -33,6 +38,20 @@ menuentry 'Load Operating System (incl. fully encrypted disks) [o]' --hotkey='o
fi
done
done
+ for j in 1 2 3 4 5 6 7 8 9; do
+ for d in crypto0 ahci0 ahci1; do
+ set root="${d},${j}"
+ # a) Check possible file locations...
+ for p in boot/grub/libreboot_ grub/libreboot_ boot/grub/ grub/ boot/grub2 grub2/; do
+ if [ -f "/${p}grub.cfg" ]; then
+ # b) And eventually try to load the config. Using ESC one can still exit and revert back to
+ # libreboot's menu.
+ configfile /${p}grub.cfg
+ fi
+ done
+ done
+ done
+
# prompt user for passphrase if LUKS header is found but try using external keyfiles first
search -n -f /keyfile --set=kf --hint usb0, --hint usb1,
if [ $? = 0 ]; then
@@ -44,8 +63,14 @@ menuentry 'Load Operating System (incl. fully encrypted disks) [o]' --hotkey='o
cryptomount ${kf} ${d}
done
# 3. Do the same routine again, but for possibly decrypted data this time.
- for d in crypto0 (crypt0,*); do
- set root=${d}
+ set root=crypto0
+ for p in boot/grub/libreboot_ grub/libreboot_ boot/grub/ grub/ boot/grub2 grub2/; do
+ if [ -f "/${p}grub.cfg" ]; then
+ configfile /${p}grub.cfg
+ fi
+ done
+ for j in 1 2 3 4 5 6 7 8 9; do
+ set root=crypto0
for p in boot/grub/libreboot_ grub/libreboot_ boot/grub/ grub/ boot/grub2 grub2/; do
if [ -f "/${p}grub.cfg" ]; then
configfile /${p}grub.cfg