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 int misc_init_f(void) 70 { 71 return sandbox_early_getopt_check(); 72 } 73 74 static int sandbox_cmdline_cb_help(struct sandbox_state *state, const char *arg) 75 { 76 /* just flag to sandbox_early_getopt_check to show usage */ 77 return 1; 78 } 79 SANDBOX_CMDLINE_OPT_SHORT(help, 'h', 0, "Display help"); 80 81 #ifndef CONFIG_SPL_BUILD 82 int sandbox_main_loop_init(void) 83 { 84 struct sandbox_state *state = state_get_current(); 85 86 /* Execute command if required */ 87 if (state->cmd || state->run_distro_boot) { 88 int retval = 0; 89 90 cli_init(); 91 92 #ifdef CONFIG_CMDLINE 93 if (state->cmd) 94 retval = run_command_list(state->cmd, -1, 0); 95 96 if (state->run_distro_boot) 97 retval = cli_simple_run_command("run distro_bootcmd", 98 0); 99 #endif 100 if (!state->interactive) 101 os_exit(retval); 102 } 103 104 return 0; 105 } 106 #endif 107 108 static int sandbox_cmdline_cb_boot(struct sandbox_state *state, 109 const char *arg) 110 { 111 state->run_distro_boot = true; 112 return 0; 113 } 114 SANDBOX_CMDLINE_OPT_SHORT(boot, 'b', 0, "Run distro boot commands"); 115 116 static int sandbox_cmdline_cb_command(struct sandbox_state *state, 117 const char *arg) 118 { 119 state->cmd = arg; 120 return 0; 121 } 122 SANDBOX_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command"); 123 124 static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) 125 { 126 state->fdt_fname = arg; 127 return 0; 128 } 129 SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT"); 130 131 static int sandbox_cmdline_cb_default_fdt(struct sandbox_state *state, 132 const char *arg) 133 { 134 const char *fmt = "%s.dtb"; 135 char *fname; 136 int len; 137 138 len = strlen(state->argv[0]) + strlen(fmt) + 1; 139 fname = os_malloc(len); 140 if (!fname) 141 return -ENOMEM; 142 snprintf(fname, len, fmt, state->argv[0]); 143 state->fdt_fname = fname; 144 145 return 0; 146 } 147 SANDBOX_CMDLINE_OPT_SHORT(default_fdt, 'D', 0, 148 "Use the default u-boot.dtb control FDT in U-Boot directory"); 149 150 static int sandbox_cmdline_cb_interactive(struct sandbox_state *state, 151 const char *arg) 152 { 153 state->interactive = true; 154 return 0; 155 } 156 157 SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode"); 158 159 static int sandbox_cmdline_cb_jump(struct sandbox_state *state, 160 const char *arg) 161 { 162 /* Remember to delete this U-Boot image later */ 163 state->jumped_fname = arg; 164 165 return 0; 166 } 167 SANDBOX_CMDLINE_OPT_SHORT(jump, 'j', 1, "Jumped from previous U-Boot"); 168 169 static int sandbox_cmdline_cb_memory(struct sandbox_state *state, 170 const char *arg) 171 { 172 int err; 173 174 /* For now assume we always want to write it */ 175 state->write_ram_buf = true; 176 state->ram_buf_fname = arg; 177 178 err = os_read_ram_buf(arg); 179 if (err) { 180 printf("Failed to read RAM buffer\n"); 181 return err; 182 } 183 184 return 0; 185 } 186 SANDBOX_CMDLINE_OPT_SHORT(memory, 'm', 1, 187 "Read/write ram_buf memory contents from file"); 188 189 static int sandbox_cmdline_cb_rm_memory(struct sandbox_state *state, 190 const char *arg) 191 { 192 state->ram_buf_rm = true; 193 194 return 0; 195 } 196 SANDBOX_CMDLINE_OPT(rm_memory, 0, "Remove memory file after reading"); 197 198 static int sandbox_cmdline_cb_state(struct sandbox_state *state, 199 const char *arg) 200 { 201 state->state_fname = arg; 202 return 0; 203 } 204 SANDBOX_CMDLINE_OPT_SHORT(state, 's', 1, "Specify the sandbox state FDT"); 205 206 static int sandbox_cmdline_cb_read(struct sandbox_state *state, 207 const char *arg) 208 { 209 state->read_state = true; 210 return 0; 211 } 212 SANDBOX_CMDLINE_OPT_SHORT(read, 'r', 0, "Read the state FDT on startup"); 213 214 static int sandbox_cmdline_cb_write(struct sandbox_state *state, 215 const char *arg) 216 { 217 state->write_state = true; 218 return 0; 219 } 220 SANDBOX_CMDLINE_OPT_SHORT(write, 'w', 0, "Write state FDT on exit"); 221 222 static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state, 223 const char *arg) 224 { 225 state->ignore_missing_state_on_read = true; 226 return 0; 227 } 228 SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0, 229 "Ignore missing state on read"); 230 231 static int sandbox_cmdline_cb_show_lcd(struct sandbox_state *state, 232 const char *arg) 233 { 234 state->show_lcd = true; 235 return 0; 236 } 237 SANDBOX_CMDLINE_OPT_SHORT(show_lcd, 'l', 0, 238 "Show the sandbox LCD display"); 239 240 static const char *term_args[STATE_TERM_COUNT] = { 241 "raw-with-sigs", 242 "raw", 243 "cooked", 244 }; 245 246 static int sandbox_cmdline_cb_terminal(struct sandbox_state *state, 247 const char *arg) 248 { 249 int i; 250 251 for (i = 0; i < STATE_TERM_COUNT; i++) { 252 if (!strcmp(arg, term_args[i])) { 253 state->term_raw = i; 254 return 0; 255 } 256 } 257 258 printf("Unknown terminal setting '%s' (", arg); 259 for (i = 0; i < STATE_TERM_COUNT; i++) 260 printf("%s%s", i ? ", " : "", term_args[i]); 261 puts(")\n"); 262 263 return 1; 264 } 265 SANDBOX_CMDLINE_OPT_SHORT(terminal, 't', 1, 266 "Set terminal to raw/cooked mode"); 267 268 static int sandbox_cmdline_cb_verbose(struct sandbox_state *state, 269 const char *arg) 270 { 271 state->show_test_output = true; 272 return 0; 273 } 274 SANDBOX_CMDLINE_OPT_SHORT(verbose, 'v', 0, "Show test output"); 275 276 int board_run_command(const char *cmdline) 277 { 278 printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n"); 279 280 return 1; 281 } 282 283 static void setup_ram_buf(struct sandbox_state *state) 284 { 285 gd->arch.ram_buf = state->ram_buf; 286 gd->ram_size = state->ram_size; 287 } 288 289 int main(int argc, char *argv[]) 290 { 291 struct sandbox_state *state; 292 gd_t data; 293 int ret; 294 295 ret = state_init(); 296 if (ret) 297 goto err; 298 299 state = state_get_current(); 300 if (os_parse_args(state, argc, argv)) 301 return 1; 302 303 ret = sandbox_read_state(state, state->state_fname); 304 if (ret) 305 goto err; 306 307 /* Remove old memory file if required */ 308 if (state->ram_buf_rm && state->ram_buf_fname) 309 os_unlink(state->ram_buf_fname); 310 311 memset(&data, '\0', sizeof(data)); 312 gd = &data; 313 #if CONFIG_VAL(SYS_MALLOC_F_LEN) 314 gd->malloc_base = CONFIG_MALLOC_F_ADDR; 315 #endif 316 setup_ram_buf(state); 317 318 /* Do pre- and post-relocation init */ 319 board_init_f(0); 320 321 board_init_r(gd->new_gd, 0); 322 323 /* NOTREACHED - board_init_r() does not return */ 324 return 0; 325 326 err: 327 printf("Error %d\n", ret); 328 return 1; 329 } 330