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From: James Morse <james.morse@arm.com>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: catalin.marinas@arm.com, will.deacon@arm.com,
	dhowells@redhat.com, vgoyal@redhat.com,
	herbert@gondor.apana.org.au, davem@davemloft.net,
	dyoung@redhat.com, bhe@redhat.com, arnd@arndb.de,
	ard.biesheuvel@linaro.org, bhsharma@redhat.com,
	kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 05/14] arm64: add image head flag definitions
Date: Tue, 3 Jul 2018 17:34:34 +0100	[thread overview]
Message-ID: <15a8c694-ea85-8d9f-7498-62995f46ca1a@arm.com> (raw)
In-Reply-To: <20180623022058.10935-6-takahiro.akashi@linaro.org>

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

  reply	other threads:[~2018-07-03 16:34 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-23  2:20 [PATCH v10 00/14] arm64: kexec: add kexec_file_load() support AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 01/14] asm-generic: add kexec_file_load system call to unistd.h AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 02/14] kexec_file: make kexec_image_post_load_cleanup_default() global AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 03/14] powerpc, kexec_file: factor out memblock-based arch_kexec_walk_mem() AKASHI Takahiro
2018-07-03 16:36   ` James Morse
2018-07-09  5:49     ` AKASHI Takahiro
2018-07-09 11:03       ` James Morse
2018-06-23  2:20 ` [PATCH v10 04/14] of/fdt: add helper functions for handling properties AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 05/14] arm64: add image head flag definitions AKASHI Takahiro
2018-07-03 16:34   ` James Morse [this message]
2018-06-23  2:20 ` [PATCH v10 06/14] arm64: cpufeature: add MMFR0 helper functions AKASHI Takahiro
2018-07-03 16:33   ` James Morse
2018-06-23  2:20 ` [PATCH v10 07/14] arm64: enable KEXEC_FILE config AKASHI Takahiro
2018-07-03 16:33   ` James Morse
2018-07-09  6:31     ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 08/14] arm64: kexec_file: load initrd and device-tree AKASHI Takahiro
2018-07-03 16:32   ` James Morse
2018-07-10  7:37     ` AKASHI Takahiro
2018-07-10 15:25       ` James Morse
2018-07-11  2:49         ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 09/14] arm64: kexec_file: allow for loading Image-format kernel AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 10/14] arm64: kexec_file: add crash dump support AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 11/14] arm64: kexec_file: invoke the kernel without purgatory AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 12/14] include: pe.h: remove message[] from mz header definition AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 13/14] arm64: kexec_file: add kernel signature verification support AKASHI Takahiro
2018-07-03 17:47   ` James Morse
2018-07-09  9:01     ` AKASHI Takahiro
2018-06-23  2:20 ` [PATCH v10 14/14] arm64: kexec_file: add kaslr support AKASHI Takahiro

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