linux-kernel - Re: [PATCH] MIPS: Allow compressed images to be loaded at the usual address

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Message-ID: <1762cdb0-c0f1-f667-e136-cfb40205aa88@cogentembedded.com>
Date:   Mon, 6 Feb 2017 11:52:09 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Alban <albeu@...e.fr>, linux-mips@...ux-mips.org
Cc:     Ralf Baechle <ralf@...ux-mips.org>,
        Jonas Gorski <jogo@...nwrt.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: Allow compressed images to be loaded at the usual
 address

Hello!

On 2/5/2017 11:21 PM, Alban wrote:

> From: Alban Bedel <albeu@...e.fr>
>
> Normally compressed images have to be loaded at a different address to
> allow the decompressor to run. This add an option to let vmlinuz copy
> itself to the correct address from the normal vmlinux address.
>
> Signed-off-by: Alban Bedel <albeu@...e.fr>
[...]

    Just some grammar nitpicking...

> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index b3c5bde..8074fc5 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -2961,6 +2961,14 @@ choice
>  		bool "Extend builtin kernel arguments with bootloader arguments"
>  endchoice
>
> +config ZBOOT_VMLINUZ_AT_VMLINUX_LOAD_ADDRESS
> +	bool "Load compressed images at the same address as uncompressed"
> +	depends on SYS_SUPPORTS_ZBOOT
> +	help
> +	  vmlinux and vmlinuz normally have different load addresses, with
> +	  this option vmlinuz expect to be loaded at the same address as

    Expects.

[...]

MBR, Sergei