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da909648e1
Signed-off-by: Maxim Moskalets <maximmosk4@gmail.com> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
62 lines
1.3 KiB
ReStructuredText
62 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0-or-later
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.. Copyright 2024, Maxim Moskalets <maximmosk4@gmail.com>
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.. index::
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single: bootelf (command)
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bootelf command
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===============
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Synopsis
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--------
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::
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bootelf [-p|-s] [-d <fdt_addr>] [<image_addr> [<arg>]...]
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Description
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-----------
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The *bootelf* command is used to launch a ELF binary at *image_addr*. If
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*image_addr* is not specified, the bootelf command will try to find image in
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*image_load_addr* variable (*CONFIG\_SYS\_LOAD\_ADDR* by default).
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Args after *image_addr* will be passed to application in common *argc*, *argv*
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format.
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A command sequence to run a ELF image using FDT might look like
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::
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load mmc 0:1 ${loadaddr} /kernel.elf
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load mmc 0:1 ${fdt_addr_r} /soc-board.dtb
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bootelf -d ${fdt_addr_r} ${loadaddr} ${loadaddr}
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image_addr
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Address of the ELF binary.
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fdt_addr
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Address of the device-tree. This argument in only needed if bootable
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application uses FDT that requires additional setup (like /memory node).
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arg
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Any text arguments for bootable application. This is usually the address
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of the device-tree.
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Flags:
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-p
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Load ELF image via program headers.
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-s
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Load ELF image via section headers.
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-d
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Setup FDT by address.
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Configuration
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-------------
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The bootelf command is only available if CONFIG_CMD_ELF=y. FDT setup by flag -d
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need CONFIG_CMD_ELF_FDT_SETUP=y.
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