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* [PATCH v2] Documentation: x86: boot: reserve type_of_loader=13 for barebox
@ 2022-10-02 12:57 Ahmad Fatoum
  0 siblings, 0 replies; only message in thread
From: Ahmad Fatoum @ 2022-10-02 12:57 UTC (permalink / raw)
  To: hpa, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen,
	x86, Jonathan Corbet
  Cc: barebox, linux-kernel, linux-doc, Ahmad Fatoum

barebox[1], a bootloader for mostly ARM and MIPS embedded systems,
can also be built as EFI payload for x86[2] to provide redundant
power-fail safe, watchdog-supervised boot up.

Since its v2015.09.0 release, it has been booting Linux on x86 with
type_of_loader=0xff[3]. Reserve 13, the next free id, so that can be
used instead in the future.


Signed-off-by: Ahmad Fatoum <>
v1 -> v2:
  - elaborate on what barebox is and add some links to commit
    message (Boris)

v1 was here:
 Documentation/x86/boot.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/x86/boot.rst b/Documentation/x86/boot.rst
index 894a19897005..240d084782a6 100644
--- a/Documentation/x86/boot.rst
+++ b/Documentation/x86/boot.rst
@@ -455,6 +455,7 @@ Protocol:	2.00+
 	11 Minimal Linux Bootloader
 	12 OVMF UEFI virtualization stack
+	13 barebox
 	== =======================================
   Please contact <> if you need a bootloader ID value assigned.

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2022-10-02 12:57 [PATCH v2] Documentation: x86: boot: reserve type_of_loader=13 for barebox Ahmad Fatoum

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