1 /* 2 * Copyright (c) 2011-2012 The Chromium OS Authors. 3 * SPDX-License-Identifier: GPL-2.0+ 4 */ 5 6 #include <common.h> 7 #include <errno.h> 8 #include <os.h> 9 #include <cli.h> 10 #include <malloc.h> 11 #include <asm/getopt.h> 12 #include <asm/io.h> 13 #include <asm/sections.h> 14 #include <asm/state.h> 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 int sandbox_early_getopt_check(void) 19 { 20 struct sandbox_state *state = state_get_current(); 21 struct sandbox_cmdline_option **sb_opt = __u_boot_sandbox_option_start; 22 size_t num_options = __u_boot_sandbox_option_count(); 23 size_t i; 24 int max_arg_len, max_noarg_len; 25 26 /* parse_err will be a string of the faulting option */ 27 if (!state->parse_err) 28 return 0; 29 30 if (strcmp(state->parse_err, "help")) { 31 printf("u-boot: error: failed while parsing option: %s\n" 32 "\ttry running with --help for more information.\n", 33 state->parse_err); 34 os_exit(1); 35 } 36 37 printf( 38 "u-boot, a command line test interface to U-Boot\n\n" 39 "Usage: u-boot [options]\n" 40 "Options:\n"); 41 42 max_arg_len = 0; 43 for (i = 0; i < num_options; ++i) 44 max_arg_len = max((int)strlen(sb_opt[i]->flag), max_arg_len); 45 max_noarg_len = max_arg_len + 7; 46 47 for (i = 0; i < num_options; ++i) { 48 struct sandbox_cmdline_option *opt = sb_opt[i]; 49 50 /* first output the short flag if it has one */ 51 if (opt->flag_short >= 0x100) 52 printf(" "); 53 else 54 printf(" -%c, ", opt->flag_short); 55 56 /* then the long flag */ 57 if (opt->has_arg) 58 printf("--%-*s <arg> ", max_arg_len, opt->flag); 59 else 60 printf("--%-*s", max_noarg_len, opt->flag); 61 62 /* finally the help text */ 63 printf(" %s\n", opt->help); 64 } 65 66 os_exit(0); 67 } 68 69 static int sandbox_cmdline_cb_help(struct sandbox_state *state, const char *arg) 70 { 71 /* just flag to sandbox_early_getopt_check to show usage */ 72 return 1; 73 } 74 SANDBOX_CMDLINE_OPT_SHORT(help, 'h', 0, "Display help"); 75 76 int sandbox_main_loop_init(void) 77 { 78 struct sandbox_state *state = state_get_current(); 79 80 /* Execute command if required */ 81 if (state->cmd || state->run_distro_boot) { 82 int retval = 0; 83 84 cli_init(); 85 86 #ifdef CONFIG_CMDLINE 87 if (state->cmd) 88 retval = run_command_list(state->cmd, -1, 0); 89 90 if (state->run_distro_boot) 91 retval = cli_simple_run_command("run distro_bootcmd", 92 0); 93 #endif 94 if (!state->interactive) 95 os_exit(retval); 96 } 97 98 return 0; 99 } 100 101 static int sandbox_cmdline_cb_boot(struct sandbox_state *state, 102 const char *arg) 103 { 104 state->run_distro_boot = true; 105 return 0; 106 } 107 SANDBOX_CMDLINE_OPT_SHORT(boot, 'b', 0, "Run distro boot commands"); 108 109 static int sandbox_cmdline_cb_command(struct sandbox_state *state, 110 const char *arg) 111 { 112 state->cmd = arg; 113 return 0; 114 } 115 SANDBOX_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command"); 116 117 static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) 118 { 119 state->fdt_fname = arg; 120 return 0; 121 } 122 SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT"); 123 124 static int sandbox_cmdline_cb_default_fdt(struct sandbox_state *state, 125 const char *arg) 126 { 127 const char *fmt = "%s.dtb"; 128 char *fname; 129 int len; 130 131 len = strlen(state->argv[0]) + strlen(fmt) + 1; 132 fname = os_malloc(len); 133 if (!fname) 134 return -ENOMEM; 135 snprintf(fname, len, fmt, state->argv[0]); 136 state->fdt_fname = fname; 137 138 return 0; 139 } 140 SANDBOX_CMDLINE_OPT_SHORT(default_fdt, 'D', 0, 141 "Use the default u-boot.dtb control FDT in U-Boot directory"); 142 143 static int sandbox_cmdline_cb_interactive(struct sandbox_state *state, 144 const char *arg) 145 { 146 state->interactive = true; 147 return 0; 148 } 149 150 SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode"); 151 152 static int sandbox_cmdline_cb_jump(struct sandbox_state *state, 153 const char *arg) 154 { 155 /* Remember to delete this U-Boot image later */ 156 state->jumped_fname = arg; 157 158 return 0; 159 } 160 SANDBOX_CMDLINE_OPT_SHORT(jump, 'j', 1, "Jumped from previous U-Boot"); 161 162 static int sandbox_cmdline_cb_memory(struct sandbox_state *state, 163 const char *arg) 164 { 165 int err; 166 167 /* For now assume we always want to write it */ 168 state->write_ram_buf = true; 169 state->ram_buf_fname = arg; 170 171 err = os_read_ram_buf(arg); 172 if (err) { 173 printf("Failed to read RAM buffer\n"); 174 return err; 175 } 176 177 return 0; 178 } 179 SANDBOX_CMDLINE_OPT_SHORT(memory, 'm', 1, 180 "Read/write ram_buf memory contents from file"); 181 182 static int sandbox_cmdline_cb_rm_memory(struct sandbox_state *state, 183 const char *arg) 184 { 185 state->ram_buf_rm = true; 186 187 return 0; 188 } 189 SANDBOX_CMDLINE_OPT(rm_memory, 0, "Remove memory file after reading"); 190 191 static int sandbox_cmdline_cb_state(struct sandbox_state *state, 192 const char *arg) 193 { 194 state->state_fname = arg; 195 return 0; 196 } 197 SANDBOX_CMDLINE_OPT_SHORT(state, 's', 1, "Specify the sandbox state FDT"); 198 199 static int sandbox_cmdline_cb_read(struct sandbox_state *state, 200 const char *arg) 201 { 202 state->read_state = true; 203 return 0; 204 } 205 SANDBOX_CMDLINE_OPT_SHORT(read, 'r', 0, "Read the state FDT on startup"); 206 207 static int sandbox_cmdline_cb_write(struct sandbox_state *state, 208 const char *arg) 209 { 210 state->write_state = true; 211 return 0; 212 } 213 SANDBOX_CMDLINE_OPT_SHORT(write, 'w', 0, "Write state FDT on exit"); 214 215 static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state, 216 const char *arg) 217 { 218 state->ignore_missing_state_on_read = true; 219 return 0; 220 } 221 SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0, 222 "Ignore missing state on read"); 223 224 static int sandbox_cmdline_cb_show_lcd(struct sandbox_state *state, 225 const char *arg) 226 { 227 state->show_lcd = true; 228 return 0; 229 } 230 SANDBOX_CMDLINE_OPT_SHORT(show_lcd, 'l', 0, 231 "Show the sandbox LCD display"); 232 233 static const char *term_args[STATE_TERM_COUNT] = { 234 "raw-with-sigs", 235 "raw", 236 "cooked", 237 }; 238 239 static int sandbox_cmdline_cb_terminal(struct sandbox_state *state, 240 const char *arg) 241 { 242 int i; 243 244 for (i = 0; i < STATE_TERM_COUNT; i++) { 245 if (!strcmp(arg, term_args[i])) { 246 state->term_raw = i; 247 return 0; 248 } 249 } 250 251 printf("Unknown terminal setting '%s' (", arg); 252 for (i = 0; i < STATE_TERM_COUNT; i++) 253 printf("%s%s", i ? ", " : "", term_args[i]); 254 puts(")\n"); 255 256 return 1; 257 } 258 SANDBOX_CMDLINE_OPT_SHORT(terminal, 't', 1, 259 "Set terminal to raw/cooked mode"); 260 261 static int sandbox_cmdline_cb_verbose(struct sandbox_state *state, 262 const char *arg) 263 { 264 state->show_test_output = true; 265 return 0; 266 } 267 SANDBOX_CMDLINE_OPT_SHORT(verbose, 'v', 0, "Show test output"); 268 269 int board_run_command(const char *cmdline) 270 { 271 printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n"); 272 273 return 1; 274 } 275 276 int main(int argc, char *argv[]) 277 { 278 struct sandbox_state *state; 279 gd_t data; 280 int ret; 281 282 ret = state_init(); 283 if (ret) 284 goto err; 285 286 state = state_get_current(); 287 if (os_parse_args(state, argc, argv)) 288 return 1; 289 290 ret = sandbox_read_state(state, state->state_fname); 291 if (ret) 292 goto err; 293 294 /* Remove old memory file if required */ 295 if (state->ram_buf_rm && state->ram_buf_fname) 296 os_unlink(state->ram_buf_fname); 297 298 memset(&data, '\0', sizeof(data)); 299 gd = &data; 300 #ifdef CONFIG_SYS_MALLOC_F_LEN 301 gd->malloc_base = CONFIG_MALLOC_F_ADDR; 302 #endif 303 304 /* Do pre- and post-relocation init */ 305 board_init_f(0); 306 307 board_init_r(gd->new_gd, 0); 308 309 /* NOTREACHED - board_init_r() does not return */ 310 return 0; 311 312 err: 313 printf("Error %d\n", ret); 314 return 1; 315 } 316