GNU bug report logs - #34356
[PATCH] gnu: u-boot-novena: Allow booting from raw device offset.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#34356: closed ([PATCH] gnu: u-boot-novena: Allow booting from
 raw device offset.)
Date: Mon, 11 Feb 2019 10:05:01 +0000

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Your message dated Mon, 11 Feb 2019 11:04:03 +0100
with message-id <20190211110403.2c03580c <at> scratchpost.org>
and subject line Re: [bug#34356] [PATCH] gnu: u-boot-novena: Allow booting from raw device offset.
has caused the debbugs.gnu.org bug report #34356,
regarding [PATCH] gnu: u-boot-novena: Allow booting from raw device offset.
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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34356: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34356
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From: Vagrant Cascadian <vagrant <at> debian.org>
To: guix-patches <at> gnu.org
Subject: [PATCH] gnu: u-boot-novena: Allow booting from raw device offset.
Date: Wed, 06 Feb 2019 14:35:54 -0800

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* gnu/packages/bootloaders.scm (u-boot-novena): Disable loading u-boot.img
  from FAT partition.
---
 gnu/packages/bootloaders.scm | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index 5bd784f73c..40b14fcce8 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -624,7 +624,20 @@ board-independent tools.")))
   (make-u-boot-package "mx6cuboxi" "arm-linux-gnueabihf"))
 
 (define-public u-boot-novena
-  (make-u-boot-package "novena" "arm-linux-gnueabihf"))
+  (let ((base (make-u-boot-package "novena" "arm-linux-gnueabihf")))
+    (package
+      (inherit base)
+      (arguments
+       (substitute-keyword-arguments (package-arguments base)
+         ((#:phases phases)
+          `(modify-phases ,phases
+             (add-after 'unpack 'patch-novena-defconfig
+               ;; Patch configuration to disable loading u-boot.img from FAT partition,
+               ;; allowing it to be installed at a device offset.
+               (lambda _
+                 (substitute* "configs/novena_defconfig"
+                   (("CONFIG_SPL_FAT_SUPPORT=y") "# CONFIG_SPL_FAT_SUPPORT is not set"))
+                 #t)))))))))
 
 (define-public u-boot-cubieboard
   (make-u-boot-package "Cubieboard" "arm-linux-gnueabihf"))
-- 
2.20.1

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From: Danny Milosavljevic <dannym <at> scratchpost.org>
To: Vagrant Cascadian <vagrant <at> debian.org>
Cc: 34356-done <at> debbugs.gnu.org
Subject: Re: [bug#34356] [PATCH] gnu: u-boot-novena: Allow booting from raw
 device offset.
Date: Mon, 11 Feb 2019 11:04:03 +0100

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Hi Vagrant,

On Sun, 10 Feb 2019 17:23:28 -0800
Vagrant Cascadian <vagrant <at> debian.org> wrote:

> The more complicated way would be to make novena-installation-os and/or
> embedded-installation-os smart enough to drop "u-boot.img" in the
> correct place, on the first FAT or EXT* partition of the microSD. That
> is certainly currently over my head to attempt that at the moment.
> 
> I think we had touched on this in the bugs where I introduced
> u-boot-novena in #31404.

Fair enough.  For something as basic as a bootloader, I guess it's better
for it to be contained in one place anyway.  I'm now reasonably sure that
it works fine in this configuration.

I've amended the description and applied your patch to guix master.

(If we wanted to add the original functionality anyway, grub-efi already
requires something like it and could be used as a template).

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