diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/sandbox/cpu/start.c')
| -rw-r--r-- | qemu/roms/u-boot/arch/sandbox/cpu/start.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/sandbox/cpu/start.c b/qemu/roms/u-boot/arch/sandbox/cpu/start.c new file mode 100644 index 000000000..aad3b8b14 --- /dev/null +++ b/qemu/roms/u-boot/arch/sandbox/cpu/start.c @@ -0,0 +1,250 @@ +/* + * Copyright (c) 2011-2012 The Chromium OS Authors. + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <os.h> +#include <asm/getopt.h> +#include <asm/sections.h> +#include <asm/state.h> + +DECLARE_GLOBAL_DATA_PTR; + +int sandbox_early_getopt_check(void) +{ + struct sandbox_state *state = state_get_current(); + struct sandbox_cmdline_option **sb_opt = __u_boot_sandbox_option_start; + size_t num_options = __u_boot_sandbox_option_count(); + size_t i; + int max_arg_len, max_noarg_len; + + /* parse_err will be a string of the faulting option */ + if (!state->parse_err) + return 0; + + if (strcmp(state->parse_err, "help")) { + printf("u-boot: error: failed while parsing option: %s\n" + "\ttry running with --help for more information.\n", + state->parse_err); + os_exit(1); + } + + printf( + "u-boot, a command line test interface to U-Boot\n\n" + "Usage: u-boot [options]\n" + "Options:\n"); + + max_arg_len = 0; + for (i = 0; i < num_options; ++i) + max_arg_len = max(strlen(sb_opt[i]->flag), max_arg_len); + max_noarg_len = max_arg_len + 7; + + for (i = 0; i < num_options; ++i) { + struct sandbox_cmdline_option *opt = sb_opt[i]; + + /* first output the short flag if it has one */ + if (opt->flag_short >= 0x100) + printf(" "); + else + printf(" -%c, ", opt->flag_short); + + /* then the long flag */ + if (opt->has_arg) + printf("--%-*s <arg> ", max_arg_len, opt->flag); + else + printf("--%-*s", max_noarg_len, opt->flag); + + /* finally the help text */ + printf(" %s\n", opt->help); + } + + os_exit(0); +} + +static int sandbox_cmdline_cb_help(struct sandbox_state *state, const char *arg) +{ + /* just flag to sandbox_early_getopt_check to show usage */ + return 1; +} +SANDBOX_CMDLINE_OPT_SHORT(help, 'h', 0, "Display help"); + +int sandbox_main_loop_init(void) +{ + struct sandbox_state *state = state_get_current(); + + /* Execute command if required */ + if (state->cmd) { + run_command_list(state->cmd, -1, 0); + if (!state->interactive) + os_exit(state->exit_type); + } + + return 0; +} + +static int sandbox_cmdline_cb_command(struct sandbox_state *state, + const char *arg) +{ + state->cmd = arg; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(command, 'c', 1, "Execute U-Boot command"); + +static int sandbox_cmdline_cb_fdt(struct sandbox_state *state, const char *arg) +{ + state->fdt_fname = arg; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(fdt, 'd', 1, "Specify U-Boot's control FDT"); + +static int sandbox_cmdline_cb_interactive(struct sandbox_state *state, + const char *arg) +{ + state->interactive = true; + return 0; +} + +SANDBOX_CMDLINE_OPT_SHORT(interactive, 'i', 0, "Enter interactive mode"); + +static int sandbox_cmdline_cb_jump(struct sandbox_state *state, + const char *arg) +{ + /* Remember to delete this U-Boot image later */ + state->jumped_fname = arg; + + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(jump, 'j', 1, "Jumped from previous U-Boot"); + +static int sandbox_cmdline_cb_memory(struct sandbox_state *state, + const char *arg) +{ + int err; + + /* For now assume we always want to write it */ + state->write_ram_buf = true; + state->ram_buf_fname = arg; + + if (os_read_ram_buf(arg)) { + printf("Failed to read RAM buffer\n"); + return err; + } + + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(memory, 'm', 1, + "Read/write ram_buf memory contents from file"); + +static int sandbox_cmdline_cb_rm_memory(struct sandbox_state *state, + const char *arg) +{ + state->ram_buf_rm = true; + + return 0; +} +SANDBOX_CMDLINE_OPT(rm_memory, 0, "Remove memory file after reading"); + +static int sandbox_cmdline_cb_state(struct sandbox_state *state, + const char *arg) +{ + state->state_fname = arg; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(state, 's', 1, "Specify the sandbox state FDT"); + +static int sandbox_cmdline_cb_read(struct sandbox_state *state, + const char *arg) +{ + state->read_state = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(read, 'r', 0, "Read the state FDT on startup"); + +static int sandbox_cmdline_cb_write(struct sandbox_state *state, + const char *arg) +{ + state->write_state = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(write, 'w', 0, "Write state FDT on exit"); + +static int sandbox_cmdline_cb_ignore_missing(struct sandbox_state *state, + const char *arg) +{ + state->ignore_missing_state_on_read = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(ignore_missing, 'n', 0, + "Ignore missing state on read"); + +static int sandbox_cmdline_cb_show_lcd(struct sandbox_state *state, + const char *arg) +{ + state->show_lcd = true; + return 0; +} +SANDBOX_CMDLINE_OPT_SHORT(show_lcd, 'l', 0, + "Show the sandbox LCD display"); + +static const char *term_args[STATE_TERM_COUNT] = { + "raw-with-sigs", + "raw", + "cooked", +}; + +static int sandbox_cmdline_cb_terminal(struct sandbox_state *state, + const char *arg) +{ + int i; + + for (i = 0; i < STATE_TERM_COUNT; i++) { + if (!strcmp(arg, term_args[i])) { + state->term_raw = i; + return 0; + } + } + + printf("Unknown terminal setting '%s' (", arg); + for (i = 0; i < STATE_TERM_COUNT; i++) + printf("%s%s", i ? ", " : "", term_args[i]); + puts(")\n"); + + return 1; +} +SANDBOX_CMDLINE_OPT_SHORT(terminal, 't', 1, + "Set terminal to raw/cooked mode"); + +int main(int argc, char *argv[]) +{ + struct sandbox_state *state; + int ret; + + ret = state_init(); + if (ret) + goto err; + + state = state_get_current(); + if (os_parse_args(state, argc, argv)) + return 1; + + ret = sandbox_read_state(state, state->state_fname); + if (ret) + goto err; + + /* Remove old memory file if required */ + if (state->ram_buf_rm && state->ram_buf_fname) + os_unlink(state->ram_buf_fname); + + /* Do pre- and post-relocation init */ + board_init_f(0); + + board_init_r(gd->new_gd, 0); + + /* NOTREACHED - board_init_r() does not return */ + return 0; + +err: + printf("Error %d\n", ret); + return 1; +} |