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33eb0b9eef
There is a function for this but it is never used. Showing the history is a useful feature, so add a new 'history' command. Signed-off-by: Simon Glass <sjg@chromium.org>
67 lines
1.8 KiB
ReStructuredText
67 lines
1.8 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+:
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history command
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===============
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Synopis
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-------
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::
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history
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Description
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-----------
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The *history* command shows a list of previously entered commands on the
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command line. When U-Boot starts, this it is initially empty. Each new command
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entered is added to the list.
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Normally these commands can be accessed by pressing the `up arrow` and
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`down arrow` keys, which cycle through the list. The `history` command provides
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a simple way to view the list.
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Example
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-------
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This example shows entering three commands, then `history`. Note that `history`
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itself is added to the list.
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::
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=> bootflow scan -l
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Scanning for bootflows in all bootdevs
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Seq Method State Uclass Part Name Filename
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--- ----------- ------ -------- ---- ------------------------ ----------------
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Scanning global bootmeth 'firmware0':
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Hunting with: simple_bus
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Found 2 extension board(s).
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Scanning bootdev 'mmc2.bootdev':
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Scanning bootdev 'mmc1.bootdev':
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0 extlinux ready mmc 1 mmc1.bootdev.part_1 /extlinux/extlinux.conf
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No more bootdevs
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--- ----------- ------ -------- ---- ------------------------ ----------------
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(1 bootflow, 1 valid)
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=> bootflow select 0
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=> bootflow info
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Name: mmc1.bootdev.part_1
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Device: mmc1.bootdev
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Block dev: mmc1.blk
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Method: extlinux
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State: ready
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Partition: 1
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Subdir: (none)
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Filename: /extlinux/extlinux.conf
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Buffer: aebdea0
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Size: 253 (595 bytes)
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OS: Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl)
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Cmdline: (none)
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Logo: (none)
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FDT: <NULL>
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Error: 0
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=> history
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bootflow scan -l
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bootflow select 0
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bootflow info
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history
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=>
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