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