1 // SPDX-License-Identifier: GPL-2.0+
6 #include <asm/global_data.h>
8 DECLARE_GLOBAL_DATA_PTR;
10 static const char *gd_flags_to_parser_name(void)
12 if (gd->flags & GD_FLG_HUSH_OLD_PARSER)
14 if (gd->flags & GD_FLG_HUSH_MODERN_PARSER)
19 static int do_cli_get(struct cmd_tbl *cmdtp, int flag, int argc,
22 const char *current = gd_flags_to_parser_name();
25 printf("current cli value is not valid, this should not happen!\n");
26 return CMD_RET_FAILURE;
29 printf("%s\n", current);
31 return CMD_RET_SUCCESS;
34 static int parser_string_to_gd_flags(const char *parser)
36 if (!strcmp(parser, "old"))
37 return GD_FLG_HUSH_OLD_PARSER;
38 if (!strcmp(parser, "modern"))
39 return GD_FLG_HUSH_MODERN_PARSER;
43 static int gd_flags_to_parser_config(int flag)
45 if (gd->flags & GD_FLG_HUSH_OLD_PARSER)
46 return CONFIG_VAL(HUSH_OLD_PARSER);
47 if (gd->flags & GD_FLG_HUSH_MODERN_PARSER)
48 return CONFIG_VAL(HUSH_MODERN_PARSER);
52 static void reset_parser_gd_flags(void)
54 gd->flags &= ~GD_FLG_HUSH_OLD_PARSER;
55 gd->flags &= ~GD_FLG_HUSH_MODERN_PARSER;
58 static int do_cli_set(struct cmd_tbl *cmdtp, int flag, int argc,
68 parser_name = argv[1];
70 parser_flag = parser_string_to_gd_flags(parser_name);
71 if (parser_flag == -1) {
72 printf("Bad value for parser name: %s\n", parser_name);
76 parser_config = gd_flags_to_parser_config(parser_flag);
77 switch (parser_config) {
79 printf("Bad value for parser flags: %d\n", parser_flag);
80 return CMD_RET_FAILURE;
82 printf("Want to set current parser to %s, but its code was not compiled!\n",
84 return CMD_RET_FAILURE;
87 reset_parser_gd_flags();
88 gd->flags |= parser_flag;
93 /* cli_loop() should never return. */
94 return CMD_RET_FAILURE;
97 static struct cmd_tbl parser_sub[] = {
98 U_BOOT_CMD_MKENT(get, 1, 1, do_cli_get, "", ""),
99 U_BOOT_CMD_MKENT(set, 2, 1, do_cli_set, "", ""),
102 static int do_cli(struct cmd_tbl *cmdtp, int flag, int argc,
108 return CMD_RET_USAGE;
110 /* drop initial "parser" arg */
114 cp = find_cmd_tbl(argv[0], parser_sub, ARRAY_SIZE(parser_sub));
116 return cp->cmd(cmdtp, flag, argc, argv);
118 return CMD_RET_USAGE;
122 "get - print current cli\n"
123 "set - set the current cli, possible value are: old, modern\n");
125 U_BOOT_CMD(cli, 3, 1, do_cli,