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[109.252.15.116]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52e7ab3b2e4sm963434e87.272.2024.06.30.07.15.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jun 2024 07:15:49 -0700 (PDT) From: Maxim Moskalets X-Google-Original-From: Maxim Moskalets To: trini@konsulko.com, u-boot@lists.denx.de, sjg@chromium.org Cc: Maxim Moskalets , Maxim Moskalets Subject: [PATCH v2] doc: add bootelf command documentation Date: Sun, 30 Jun 2024 17:15:45 +0300 Message-Id: <20240630141545.215907-1-Maxim.Moskalets@kaspersky.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Signed-off-by: Maxim Moskalets --- v2: Add Configuration section. --- doc/usage/cmd/bootelf.rst | 58 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 doc/usage/cmd/bootelf.rst diff --git a/doc/usage/cmd/bootelf.rst b/doc/usage/cmd/bootelf.rst new file mode 100644 index 0000000000..748c3e2e4b --- /dev/null +++ b/doc/usage/cmd/bootelf.rst @@ -0,0 +1,58 @@ +.. SPDX-License-Identifier: GPL-2.0+ +.. Copyright 2024, Maxim Moskalets + +.. index:: + single: bootelf (command) + +bootelf command +=============== + +Synopsis +-------- + +:: + + bootelf [-p|-s] [-d ] [ []...] + +Description +----------- + +The *bootelf* command is used to launch a ELF binary at *image_addr*. If +*image_addr* is not specified, the bootelf command will try to find image in +*image_load_addr* variable (*CONFIG\_SYS\_LOAD\_ADDR* by default). + +Args after *image_addr* will be passed to application in common *argc*, *argv* +format. + +A command sequence to run a ELF image using FDT might look like + +:: + + load mmc 0:1 ${loadaddr} /kernel.elf + load mmc 0:1 ${fdt_addr_r} /soc-board.dtb + bootelf -d ${fdt_addr_r} ${loadaddr} ${loadaddr} + +image_addr + Address of the ELF binary. + +fdt_addr + Address of the device-tree. This argument in only needed if bootable + application uses FDT that requires additional setup (like /memory node). + +arg + Any text arguments for bootable application. This is usually the address + of the device-tree. + +Flags: + +-p|-s + Load ELF image via program headers (-p) or via section headers (-s). + +-d + Setup FDT by address. + +Configuration +------------- + +The bootelf command is only available if CONFIG_CMD_ELF=y. FDT setup by flag -d +need CONFIG_CMD_ELF_FDT_SETUP=y.