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d="scan'208";a="42893509" Received: from rwthex-s1-a.rwth-ad.de ([134.130.26.152]) by mail-in-2a.itc.rwth-aachen.de with ESMTP; 14 Apr 2023 09:35:28 +0200 Received: from Tartaros.fritz.box (2a0a:a540:ee49:0:4dac:dbd1:97f4:c51) by rwthex-s1-a.rwth-ad.de (2a00:8a60:1:e500::26:152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 14 Apr 2023 09:35:27 +0200 From: Stefan Lankes To: CC: , , Stefan Lankes Subject: [RFC 0/1] add support of `--initrd` for ELF-ARM kernels Date: Fri, 14 Apr 2023 09:34:31 +0200 Message-ID: <20230414073432.36000-1-slankes@eonerc.rwth-aachen.de> X-Mailer: git-send-email 2.39.2 (Apple Git-143) MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [2a0a:a540:ee49:0:4dac:dbd1:97f4:c51] X-ClientProxiedBy: rwthex-w1-a.rwth-ad.de (2a00:8a60:1:e500::26:156) To rwthex-s1-a.rwth-ad.de (2a00:8a60:1:e500::26:152) Received-SPF: pass client-ip=2a00:8a60:1:e501::5:45; envelope-from=slankes@eonerc.rwth-aachen.de; helo=mail-out-2a.itc.rwth-aachen.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org We are developing an ELF-based kernel for ARM processor and would like to use the flag "—initrd". An initial ramdisk simplifies the boot process, but as far as I know, it is currently not support by Qemu for ARM processors. The flag is only available for pure Linux kernels. This patch enables the flags for ELF kernels and creates a device tree entry, which helps the kernel to find the address of the initial ramdisk. Stefan Lankes (1): add support of `--initrd` for ELF-ARM kernels hw/arm/boot.c | 106 +++++++++++++++++++++++++++++--------------------- 1 file changed, 62 insertions(+), 44 deletions(-) -- 2.39.2 (Apple Git-143)