diff options
| author | Simon Glass <sjg@chromium.org> | 2023-10-01 19:13:06 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-10-11 15:43:54 -0400 |
| commit | 33eb0b9eef3360396aa0f650f8e1e01baf6dc181 (patch) | |
| tree | c92ca08093001fca4f2ec92257b1b3f2850e09b4 /doc | |
| parent | 0f97e944b2bb08b7e13210fc6bea75817aee3237 (diff) | |
| download | u-boot-33eb0b9eef3360396aa0f650f8e1e01baf6dc181.zip u-boot-33eb0b9eef3360396aa0f650f8e1e01baf6dc181.tar.gz u-boot-33eb0b9eef3360396aa0f650f8e1e01baf6dc181.tar.bz2 | |
cli: Add a command to show cmdline history
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>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/usage/cmd/history.rst | 67 | ||||
| -rw-r--r-- | doc/usage/index.rst | 1 |
2 files changed, 68 insertions, 0 deletions
diff --git a/doc/usage/cmd/history.rst b/doc/usage/cmd/history.rst new file mode 100644 index 0000000..33d3fcd --- /dev/null +++ b/doc/usage/cmd/history.rst @@ -0,0 +1,67 @@ +.. SPDX-License-Identifier: GPL-2.0+: + +history command +=============== + +Synopis +------- + +:: + + history + +Description +----------- + +The *history* command shows a list of previously entered commands on the +command line. When U-Boot starts, this it is initially empty. Each new command +entered is added to the list. + +Normally these commands can be accessed by pressing the `up arrow` and +`down arrow` keys, which cycle through the list. The `history` command provides +a simple way to view the list. + +Example +------- + +This example shows entering three commands, then `history`. Note that `history` +itself is added to the list. + +:: + + => bootflow scan -l + Scanning for bootflows in all bootdevs + Seq Method State Uclass Part Name Filename + --- ----------- ------ -------- ---- ------------------------ ---------------- + Scanning global bootmeth 'firmware0': + Hunting with: simple_bus + Found 2 extension board(s). + Scanning bootdev 'mmc2.bootdev': + Scanning bootdev 'mmc1.bootdev': + 0 extlinux ready mmc 1 mmc1.bootdev.part_1 /extlinux/extlinux.conf + No more bootdevs + --- ----------- ------ -------- ---- ------------------------ ---------------- + (1 bootflow, 1 valid) + => bootflow select 0 + => bootflow info + Name: mmc1.bootdev.part_1 + Device: mmc1.bootdev + Block dev: mmc1.blk + Method: extlinux + State: ready + Partition: 1 + Subdir: (none) + Filename: /extlinux/extlinux.conf + Buffer: aebdea0 + Size: 253 (595 bytes) + OS: Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl) + Cmdline: (none) + Logo: (none) + FDT: <NULL> + Error: 0 + => history + bootflow scan -l + bootflow select 0 + bootflow info + history + => diff --git a/doc/usage/index.rst b/doc/usage/index.rst index fa70292..98b4719 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -67,6 +67,7 @@ Shell commands cmd/fwu_mdata cmd/gpio cmd/gpt + cmd/history cmd/host cmd/imxtract cmd/load |