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