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 [thread overview]
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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next prev parent reply other threads:[~2018-11-21 5:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 5:55 [PATCH] RISC-V: Build flat and compressed kernel images Anup Patel
2018-11-12 5:55 ` Anup Patel
2018-11-16 21:13 ` Palmer Dabbelt
2018-11-16 21:13 ` Palmer Dabbelt
2018-11-17 3:32 ` Anup Patel
2018-11-17 3:32 ` Anup Patel
2018-11-19 20:10 ` Palmer Dabbelt
2018-11-19 20:10 ` Palmer Dabbelt
2018-11-21 5:06 ` Bin Meng [this message]
2018-11-21 5:06 ` Bin Meng
2018-11-21 16:28 ` Palmer Dabbelt
2018-11-21 16:28 ` Palmer Dabbelt
2018-11-22 1:43 ` Bin Meng
2018-11-22 1:43 ` Bin Meng
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