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