From: Alan Ott <alan@softiron.co.uk>
To: Matt Fleming <matt@codeblueprint.co.uk>,
Jonathan Corbet <corbet@lwn.net>
Cc: Roy Franz <roy.franz@linaro.org>,
linux-efi@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] doc: efi-stub.txt: Fix arm64 paths
Date: Sat, 28 Nov 2015 11:12:00 -0500 [thread overview]
Message-ID: <5659D250.3000609@softiron.co.uk> (raw)
In-Reply-To: <1448726603-17600-1-git-send-email-alan@softiron.co.uk>
On 11/28/2015 11:03 AM, Alan Ott wrote:
> Update documented paths for arm64 files to match current tree.
> ---
> Documentation/efi-stub.txt | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/efi-stub.txt b/Documentation/efi-stub.txt
> index 7747024..e157469 100644
> --- a/Documentation/efi-stub.txt
> +++ b/Documentation/efi-stub.txt
> @@ -10,12 +10,12 @@ arch/x86/boot/header.S and arch/x86/boot/compressed/eboot.c,
> respectively. For ARM the EFI stub is implemented in
> arch/arm/boot/compressed/efi-header.S and
> arch/arm/boot/compressed/efi-stub.c. EFI stub code that is shared
> -between architectures is in drivers/firmware/efi/efi-stub-helper.c.
> +between architectures is in drivers/firmware/efi/libstub.
>
> For arm64, there is no compressed kernel support, so the Image itself
> masquerades as a PE/COFF image and the EFI stub is linked into the
> kernel. The arm64 EFI stub lives in arch/arm64/kernel/efi-entry.S
> -and arch/arm64/kernel/efi-stub.c.
> +and drivers/firmware/efi/libstub/arm64-stub.c.
>
> By using the EFI boot stub it's possible to boot a Linux kernel
> without the use of a conventional EFI boot loader, such as grub or
To follow up on this one, it additionally appears that commit
719e284369d23c3feb02d02ad58b3a516df47806 [1] was premature, as ARM
support for EFI never fully made it into mainline, and the files
referenced[2] do not exist anywhere in the history.
Alan.
[1] https://lkml.org/lkml/2014/4/4/401
[2] arch/arm/boot/compressed/efi-header.S, and
arch/arm/boot/compressed/efi-stub.c
next prev parent reply other threads:[~2015-11-28 16:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-28 16:03 [PATCH] doc: efi-stub.txt: Fix arm64 paths Alan Ott
2015-11-28 16:12 ` Alan Ott [this message]
2015-11-30 11:28 ` Matt Fleming
2015-11-30 11:32 ` Matt Fleming
2015-11-30 14:36 ` [PATCH v2] " Alan Ott
2015-12-02 9:24 ` Matt Fleming
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