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cmd: part: Add subcommand to list supported partition tables 

Add a subcommand "types" to the part command, which lists the supported
partition table types.

Signed-off-by: Niel Fourie <lusus@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Niel Fourie 2020-03-24 16:17:03 +01:00 committed by Tom Rini
parent 1e88e78177
commit 0ffdfbd1d0
2 changed files with 39 additions and 2 deletions
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27
cmd/part.c
View File

@ -182,6 +182,26 @@ static int do_part_number(int argc, char *const argv[])
return do_part_info(argc, argv, CMD_PART_INFO_NUMBER);
}
static int do_part_types(int argc, char * const argv[])
{
struct part_driver *drv = ll_entry_start(struct part_driver,
part_driver);
const int n_ents = ll_entry_count(struct part_driver, part_driver);
struct part_driver *entry;
int i = 0;
puts("Supported partition tables");
for (entry = drv; entry != drv + n_ents; entry++) {
printf("%c %s", i ? ',' : ':', entry->name);
i++;
}
if (!i)
puts(": <none>");
puts("\n");
return CMD_RET_SUCCESS;
}
static int do_part(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
@ -198,7 +218,8 @@ static int do_part(struct cmd_tbl *cmdtp, int flag, int argc,
return do_part_size(argc - 2, argv + 2);
else if (!strcmp(argv[1], "number"))
return do_part_number(argc - 2, argv + 2);
else if (!strcmp(argv[1], "types"))
return do_part_types(argc - 2, argv + 2);
return CMD_RET_USAGE;
}
@ -222,5 +243,7 @@ U_BOOT_CMD(
" part can be either partition number or partition name\n"
"part number <interface> <dev> <part> <varname>\n"
" - set environment variable to the partition number using the partition name\n"
" part must be specified as partition name"
" part must be specified as partition name\n"
"part types\n"
" - list supported partition table types"
);

14
test/py/tests/test_part.py Normal file
View File

@ -0,0 +1,14 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2020
# Niel Fourie, DENX Software Engineering, lusus@denx.de
import pytest
@pytest.mark.buildconfigspec('cmd_part')
@pytest.mark.buildconfigspec('partitions')
@pytest.mark.buildconfigspec('efi_partition')
def test_dm_compat(u_boot_console):
"""Test that `part types` prints a result which includes `EFI`."""
output = u_boot_console.run_command('part types')
assert "Supported partition tables:" in output
assert "EFI" in output