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-rw-r--r--arch/sandbox/cpu/start.c102
1 files changed, 101 insertions, 1 deletions
diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index a429e29..6c3e8eb 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (c) 2011-2012 The Chromium OS Authors.
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -20,9 +20,109 @@
*/
#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) {
+ /* TODO: redo this when cmd tidy-up series lands */
+#ifdef CONFIG_SYS_HUSH_PARSER
+ run_command(state->cmd, 0);
+#else
+ parse_string_outer(state->cmd, FLAG_PARSE_SEMICOLON |
+ FLAG_EXIT_FROM_LOOP);
+#endif
+ 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.