126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
/*
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* Copyright (c) 2011-2012 The Chromium OS Authors.
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/getopt.h>
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#include <asm/sections.h>
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#include <asm/state.h>
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#include <os.h>
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int sandbox_early_getopt_check(void)
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{
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struct sandbox_state *state = state_get_current();
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struct sb_cmdline_option **sb_opt = __u_boot_sandbox_option_start;
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size_t num_options = __u_boot_sandbox_option_count();
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size_t i;
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int max_arg_len, max_noarg_len;
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/* parse_err will be a string of the faulting option */
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if (!state->parse_err)
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return 0;
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if (strcmp(state->parse_err, "help")) {
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printf("u-boot: error: failed while parsing option: %s\n"
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"\ttry running with --help for more information.\n",
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state->parse_err);
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os_exit(1);
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}
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printf(
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"u-boot, a command line test interface to U-Boot\n\n"
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"Usage: u-boot [options]\n"
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"Options:\n");
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max_arg_len = 0;
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for (i = 0; i < num_options; ++i)
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max_arg_len = max(strlen(sb_opt[i]->flag), max_arg_len);
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max_noarg_len = max_arg_len + 7;
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for (i = 0; i < num_options; ++i) {
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struct sb_cmdline_option *opt = sb_opt[i];
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/* first output the short flag if it has one */
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if (opt->flag_short >= 0x100)
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printf(" ");
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else
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printf(" -%c, ", opt->flag_short);
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/* then the long flag */
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if (opt->has_arg)
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printf("--%-*s", max_noarg_len, opt->flag);
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else
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printf("--%-*s <arg> ", max_arg_len, opt->flag);
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/* finally the help text */
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printf(" %s\n", opt->help);
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}
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os_exit(0);
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}
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static int sb_cmdline_cb_help(struct sandbox_state *state, const char *arg)
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{
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/* just flag to sandbox_early_getopt_check to show usage */
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return 1;
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}
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SB_CMDLINE_OPT_SHORT(help, 'h', 0, "Display help");
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int sandbox_main_loop_init(void)
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{
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struct sandbox_state *state = state_get_current();
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/* Execute command if required */
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if (state->cmd) {
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run_command(state->cmd, 0);
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os_exit(state->exit_type);
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}
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return 0;
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}
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static int sb_cmdline_cb_command(struct sandbox_state *state, const char *arg)
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{
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state->cmd = arg;
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return 0;
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}
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SB_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command");
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int main(int argc, char *argv[])
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{
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struct sandbox_state *state;
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int err;
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err = state_init();
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if (err)
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return err;
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state = state_get_current();
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if (os_parse_args(state, argc, argv))
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return 1;
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/*
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* Do pre- and post-relocation init, then start up U-Boot. This will
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* never return.
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*/
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board_init_f(0);
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}
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