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-rw-r--r--doc/guix.texi32
1 files changed, 27 insertions, 5 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 72741e034a..b4a59e793a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -7322,8 +7322,8 @@ Access to @file{/dev/sdX} usually requires root privileges.
@end enumerate
Once this is done, you should be able to reboot the system and boot from
-the USB stick. The latter usually requires you to get in the BIOS' boot
-menu, where you can choose to boot from the USB stick.
+the USB stick. The latter usually requires you to get in the BIOS' or
+UEFI boot menu, where you can choose to boot from the USB stick.
@xref{Installing GuixSD in a VM}, if, instead, you would like to install
GuixSD in a virtual machine (VM).
@@ -7477,6 +7477,17 @@ install BIOS-based GRUB (which is the default), make sure a BIOS Boot
Partition is available (@pxref{BIOS installation,,, grub, GNU GRUB
manual}).
+@cindex EFI, installation
+@cindex UEFI, installation
+@cindex ESP, EFI system partition
+If you instead wish to use EFI-based GRUB, a FAT32 @dfn{EFI System Partition}
+(ESP) is required. This partition should be mounted at @file{/boot/efi} and
+must have the @code{esp} flag set. E.g., for @command{parted}:
+
+@example
+parted /dev/sda set 1 esp on
+@end example
+
Once you are done partitioning the target hard disk drive, you have to
create a file system on the relevant partition(s)@footnote{Currently
GuixSD only supports ext4 and btrfs file systems. In particular, code
@@ -7516,6 +7527,11 @@ root partition):
mount LABEL=my-root /mnt
@end example
+Also mount any other partitions you would like to use on the target
+system relative to this path. If you have @file{/boot} on a separate
+partition for example, mount it at @file{/mnt/boot} now so it is found
+by @code{guix system init} afterwards.
+
Finally, if you plan to use one or more swap partitions (@pxref{Memory
Concepts, swap space,, libc, The GNU C Library Reference Manual}), make
sure to initialize them with @command{mkswap}. Assuming you have one
@@ -7590,7 +7606,8 @@ in particular:
@itemize
@item
Make sure the @code{grub-configuration} form refers to the device you
-want to install GRUB on.
+want to install GRUB on. You also need to specify the @code{grub-efi}
+package if you wish to use native UEFI boot.
@item
Be sure that your partition labels match the value of their respective
@@ -7879,7 +7896,7 @@ management, power management, and more, would look like this:
@include os-config-desktop.texi
@end lisp
-A graphical environment with a choice of lightweight window managers
+A graphical UEFI system with a choice of lightweight window managers
instead of full-blown desktop environments would look like this:
@lisp
@@ -15277,7 +15294,12 @@ The number of seconds to wait for keyboard input before booting. Set to
The @code{grub-theme} object describing the theme to use.
@item @code{grub} (default: @code{grub})
-The GRUB package to use.
+@cindex EFI, bootloader
+@cindex UEFI, bootloader
+@cindex BIOS, bootloader
+The GRUB package to use. Currently either @code{grub}, for ``legacy''
+x86 BIOS systems, or @code{grub-efi}, for modern systems using the
+@dfn{Unified Extensible Firmware Interface} (UEFI).
@item @code{terminal-outputs} (default: @code{'gfxterm})
The output terminals used for the GRUB boot menu, as a list of symbols.