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From: Bin Meng <bmeng.cn@gmail.com>
To: Anup Patel <anup@brainfault.org>
Cc: aou@eecs.berkeley.edu, palmer@sifive.com,
	linux-kernel <linux-kernel@vger.kernel.org>,
	hch@infradead.org, atish.patra@wdc.com,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH] RISC-V: Build flat and compressed kernel images
Date: Wed, 21 Nov 2018 13:06:18 +0800
Message-ID: <CAEUhbmWskEtQR-kAuAYx=SHOJ4-MrCRUchSQ68WwZ62hxsTQyQ@mail.gmail.com> (raw)
Message-ID: <20181121050618.uXISoAmfbsizQYjE9qe58kCR51zWR6XG7MOtrFV6MpU@z> (raw)
In-Reply-To: <20181112055515.20341-1-anup@brainfault.org>

On Mon, Nov 12, 2018 at 1:55 PM Anup Patel <anup@brainfault.org> wrote:
>
> This patch extends Linux RISC-V build system to build and install:
> Image - Flat uncompressed kernel image
> Image.gz - Flat and GZip compressed kernel image
>
> Quiet a few bootloaders (such as Uboot, UEFI, etc) are capable of

nits: U-Boot

> booting flat and compressed kernel images. In case of Uboot, booting

nits: U-Boot

> Image or Image.gz is achieved using bootm command.
>
> The flat and uncompressed kernel image (i.e. Image) is very useful
> in pre-silicon developent and testing because we can create back-door
> HEX files for RAM on FPGAs from Image.
>
> Signed-off-by: Anup Patel <anup@brainfault.org>
> ---
>  arch/riscv/Makefile             | 15 ++++++++-
>  arch/riscv/boot/.gitignore      |  2 ++
>  arch/riscv/boot/Makefile        | 33 ++++++++++++++++++
>  arch/riscv/boot/install.sh      | 60 +++++++++++++++++++++++++++++++++
>  arch/riscv/kernel/head.S        | 10 ++++++
>  arch/riscv/kernel/vmlinux.lds.S |  2 +-
>  6 files changed, 120 insertions(+), 2 deletions(-)
>  create mode 100644 arch/riscv/boot/.gitignore
>  create mode 100644 arch/riscv/boot/Makefile
>  create mode 100644 arch/riscv/boot/install.sh
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Tested with U-Boot s-mode on QEMU virt, using bootm to boot the kernel
Tested-by: Bin Meng <bmeng.cn@gmail.com>

Regards,
Bin

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  parent reply index

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-12  5:55 anup
2018-11-12  5:55 ` Anup Patel
2018-11-16 21:13 ` palmer
2018-11-16 21:13   ` Palmer Dabbelt
2018-11-17  3:32   ` anup
2018-11-17  3:32     ` Anup Patel
2018-11-19 20:10     ` palmer
2018-11-19 20:10       ` Palmer Dabbelt
2018-11-21  5:06 ` bmeng.cn [this message]
2018-11-21  5:06   ` Bin Meng
2018-11-21 16:28   ` palmer
2018-11-21 16:28     ` Palmer Dabbelt
2018-11-22  1:43     ` bmeng.cn
2018-11-22  1:43       ` Bin Meng

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