lkml.org 
[lkml]   [2018]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v10 05/14] arm64: add image head flag definitions
From
Date
Hi Akashi,

On 23/06/18 03:20, AKASHI Takahiro wrote:
> Those image head's flags will be used later by kexec_file loader.

> diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
> index 355e552a9175..0bab7eed3012 100644
> --- a/arch/arm64/include/asm/boot.h
> +++ b/arch/arm64/include/asm/boot.h
> @@ -5,6 +5,21 @@
>
> #include <asm/sizes.h>
>
> +#define ARM64_MAGIC "ARM\x64"
> +
> +#define HEAD_FLAG_BE_SHIFT 0
> +#define HEAD_FLAG_PAGE_SIZE_SHIFT 1
> +#define HEAD_FLAG_BE_MASK 0x1
> +#define HEAD_FLAG_PAGE_SIZE_MASK 0x3
> +
> +#define HEAD_FLAG_BE 1
> +#define HEAD_FLAG_PAGE_SIZE_4K 1
> +#define HEAD_FLAG_PAGE_SIZE_16K 2
> +#define HEAD_FLAG_PAGE_SIZE_64K 3

These match the linker-script-header kernel/image.h.
Generating one from the other is something we can do later.

Acked-by: James Morse <james.morse@arm.com>


Thanks,

James

\
 
 \ /
  Last update: 2018-07-03 18:34    [W:0.163 / U:4.884 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site