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