| #include <stdio.h> |
| #include <string.h> |
| #include <getopt.h> |
| #include <gpxe/command.h> |
| #include <usr/autoboot.h> |
| |
| FILE_LICENCE ( GPL2_OR_LATER ); |
| |
| /** |
| * "sanboot" command syntax message |
| * |
| * @v argv Argument list |
| */ |
| static void sanboot_syntax ( char **argv ) { |
| printf ( "Usage:\n" |
| " %s <root-path>\n" |
| "\n" |
| "Boot from SAN target\n", |
| argv[0] ); |
| } |
| |
| /** |
| * The "sanboot" command |
| * |
| * @v argc Argument count |
| * @v argv Argument list |
| * @ret rc Exit code |
| */ |
| static int sanboot_exec ( int argc, char **argv ) { |
| static struct option longopts[] = { |
| { "help", 0, NULL, 'h' }, |
| { NULL, 0, NULL, 0 }, |
| }; |
| const char *root_path = NULL; |
| int c; |
| int rc; |
| |
| /* Parse options */ |
| while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){ |
| switch ( c ) { |
| case 'h': |
| /* Display help text */ |
| default: |
| /* Unrecognised/invalid option */ |
| sanboot_syntax ( argv ); |
| return 1; |
| } |
| } |
| |
| /* Need exactly one image name remaining after the options */ |
| if ( optind != ( argc - 1 ) ) { |
| sanboot_syntax ( argv ); |
| return 1; |
| } |
| root_path = argv[optind]; |
| |
| /* Boot from root path */ |
| if ( ( rc = boot_root_path ( root_path ) ) != 0 ) { |
| printf ( "Could not boot from %s: %s\n", |
| root_path, strerror ( rc ) ); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| struct command sanboot_command __command = { |
| .name = "sanboot", |
| .exec = sanboot_exec, |
| }; |