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This command can be used to print the current parser with 'cli get'. It can also be used to set the current parser with 'cli set'. For the moment, only one value is valid for set: old. Signed-off-by: Francis Laniel <francis.laniel@amarulasolutions.com>
114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include <common.h>
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#include <cli.h>
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#include <command.h>
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#include <string.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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static const char *gd_flags_to_parser_name(void)
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{
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if (gd->flags & GD_FLG_HUSH_OLD_PARSER)
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return "old";
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return NULL;
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}
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static int do_cli_get(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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const char *current = gd_flags_to_parser_name();
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if (!current) {
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printf("current cli value is not valid, this should not happen!\n");
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return CMD_RET_FAILURE;
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}
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printf("%s\n", current);
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return CMD_RET_SUCCESS;
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}
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static int parser_string_to_gd_flags(const char *parser)
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{
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if (!strcmp(parser, "old"))
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return GD_FLG_HUSH_OLD_PARSER;
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return -1;
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}
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static void reset_parser_gd_flags(void)
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{
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gd->flags &= ~GD_FLG_HUSH_OLD_PARSER;
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}
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static int do_cli_set(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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char *parser_name;
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int parser_flag;
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if (argc < 2)
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return CMD_RET_USAGE;
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parser_name = argv[1];
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parser_flag = parser_string_to_gd_flags(parser_name);
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if (parser_flag == -1) {
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printf("Bad value for parser name: %s\n", parser_name);
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return CMD_RET_USAGE;
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}
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if (parser_flag == GD_FLG_HUSH_OLD_PARSER &&
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!CONFIG_IS_ENABLED(HUSH_OLD_PARSER)) {
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printf("Want to set current parser to old, but its code was not compiled!\n");
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return CMD_RET_FAILURE;
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}
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reset_parser_gd_flags();
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gd->flags |= parser_flag;
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cli_init();
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cli_loop();
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/* cli_loop() should never return. */
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return CMD_RET_FAILURE;
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}
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static struct cmd_tbl parser_sub[] = {
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U_BOOT_CMD_MKENT(get, 1, 1, do_cli_get, "", ""),
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U_BOOT_CMD_MKENT(set, 2, 1, do_cli_set, "", ""),
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};
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static int do_cli(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *cp;
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if (argc < 2)
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return CMD_RET_USAGE;
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/* drop initial "parser" arg */
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argc--;
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argv++;
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cp = find_cmd_tbl(argv[0], parser_sub, ARRAY_SIZE(parser_sub));
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if (cp)
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return cp->cmd(cmdtp, flag, argc, argv);
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return CMD_RET_USAGE;
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}
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#if CONFIG_IS_ENABLED(SYS_LONGHELP)
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static char cli_help_text[] =
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"get - print current cli\n"
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"set - set the current cli, possible value is: old"
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;
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#endif
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U_BOOT_CMD(cli, 3, 1, do_cli,
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"cli",
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#if CONFIG_IS_ENABLED(SYS_LONGHELP)
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cli_help_text
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#endif
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);
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