On 2026-09-21 12:18, Ahmad Fatoum wrote:
> +
> +static int do_smhexit(int argc, char *argv[])
> +{
> + bool extended_flag = true, shutdown_flag = true;
> + int opt, status = 0;
> +
> + while ((opt = getopt(argc, argv, "pf")) > 0) {
> + switch (opt) {
> + case 'p':
> + extended_flag = false;
> + break;
> + case 'f':
> + shutdown_flag = false;
> + break;
> + default:
> + return COMMAND_ERROR_USAGE;
> + }
> + }
> +
> + argc -= optind;
> + argv += optind;
> +
> + if (argc > 1)
> + return COMMAND_ERROR_USAGE;
> +
> + if (argc == 1 && kstrtoint(argv[0], 0, &status))
> + return COMMAND_ERROR_USAGE;
> +
> + if (shutdown_flag)
> + shutdown_barebox();
> +
> + console_flush();
> + semihosting_exit(status, extended_flag);
> +
> + /* Unreachable */
unreachable();
> + return 1;
> +}
> +
> +BAREBOX_CMD_HELP_START(smhexit)
> +BAREBOX_CMD_HELP_TEXT("Tell the debugger or emulator barebox runs under that
> the session")
> +BAREBOX_CMD_HELP_TEXT("is over and hand it STATUS (0 if none is given) as
> the exit status.")
> +BAREBOX_CMD_HELP_TEXT("QEMU exits with it, so a boot driven from the outside
> can report")
> +BAREBOX_CMD_HELP_TEXT("its outcome without anything having to read the
> console.")
> +BAREBOX_CMD_HELP_TEXT("")
> +BAREBOX_CMD_HELP_TEXT("Options:")
> +BAREBOX_CMD_HELP_OPT("-p", "use the plain SYS_EXIT call for a host that has
> no")
> +BAREBOX_CMD_HELP_OPT("", "SYS_EXIT_EXTENDED. On 32-bit, this loses
> STATUS.")
-f option is not documented.
> +BAREBOX_CMD_HELP_TEXT("")
> +BAREBOX_CMD_HELP_TEXT("Without a host listening the trap instruction is
> undefined and the")
> +BAREBOX_CMD_HELP_TEXT("machine stops instead.")
> +BAREBOX_CMD_HELP_END
> +
Sascha
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