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board/pc: drop unused grub-efi.cfg file

Following commit fee29b05bb7db25e37c8a5175ce00dc712554edf
("configs/pc_x86_64_efi: use a GPT partition table"),
board/pc/grub-efi.cfg is no longer used anywhere: the
post-image-efi-gpt.sh script generates the grub configuration.

Also, since post-image-efi-gpt.sh generates a grub configuration file
that uses the root filesystem partition UUID as the root= kernel
argument, the instructions in the readme.txt file to tweak root= from
/dev/sda2 to /dev/vda2 is no longer relevant. This was noted in the
commit log of fee29b05bb7db25e37c8a5175ce00dc712554edf:

    The root filesystem location is passed to the kernel by a partition
    UUID, so it is possible to boot on QEMU, directly from the disk image,
    or dump the image to a physical device.

Fixes: #11841
Cc: Pete Morici <pmorici@dev295.com>
Cc: Carlos A. M. dos Santos <unixmania@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Thomas Petazzoni 5 years ago
parent
commit
79b8540d62
2 changed files with 1 additions and 13 deletions
  1. 0 6
      board/pc/grub-efi.cfg
  2. 1 7
      board/pc/readme.txt

+ 0 - 6
board/pc/grub-efi.cfg

@@ -1,6 +0,0 @@
-set default="0"
-set timeout="5"
-
-menuentry "Buildroot" {
-	linux /bzImage root=/dev/sda2 rootwait console=tty1
-}

+ 1 - 7
board/pc/readme.txt

@@ -57,13 +57,7 @@ qemu-system-x86_64 \
 Emulation in qemu (UEFI)
 ========================
 
-1. Edit grub-efi.cfg
-
-  Since the driver will show up in the virtual machine as /dev/vda,
-  change board/pc/grub-efi.cfg to use root=/dev/vda2 instead of
-  root=/dev/sda2. Then rebuild grub2 and the image.
-
-2. Run the emulation with:
+Run the emulation with:
 
 qemu-system-x86_64 \
 	-M pc \