b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2000-2003 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Misc boot support |
| 10 | */ |
| 11 | #include <common.h> |
| 12 | #include <command.h> |
| 13 | #include <net.h> |
| 14 | |
| 15 | #ifdef CONFIG_CMD_GO |
| 16 | |
| 17 | /* Allow ports to override the default behavior */ |
| 18 | __attribute__((weak)) |
| 19 | unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc, |
| 20 | char * const argv[]) |
| 21 | { |
| 22 | return entry (argc, argv); |
| 23 | } |
| 24 | |
| 25 | static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| 26 | { |
| 27 | ulong addr, rc; |
| 28 | int rcode = 0; |
| 29 | |
| 30 | if (argc < 2) |
| 31 | return CMD_RET_USAGE; |
| 32 | |
| 33 | addr = simple_strtoul(argv[1], NULL, 16); |
| 34 | |
| 35 | printf ("## Starting application at 0x%08lX ...\n", addr); |
| 36 | |
| 37 | /* |
| 38 | * pass address parameter as argv[0] (aka command name), |
| 39 | * and all remaining args |
| 40 | */ |
| 41 | rc = do_go_exec ((void *)addr, argc - 1, argv + 1); |
| 42 | if (rc != 0) rcode = 1; |
| 43 | |
| 44 | printf ("## Application terminated, rc = 0x%lX\n", rc); |
| 45 | return rcode; |
| 46 | } |
| 47 | |
| 48 | /* -------------------------------------------------------------------- */ |
| 49 | |
| 50 | U_BOOT_CMD( |
| 51 | go, CONFIG_SYS_MAXARGS, 1, do_go, |
| 52 | "start application at address 'addr'", |
| 53 | "addr [arg ...]\n - start application at address 'addr'\n" |
| 54 | " passing 'arg' as arguments" |
| 55 | ); |
| 56 | |
| 57 | #endif |
| 58 | |
| 59 | U_BOOT_CMD( |
| 60 | reset, 1, 0, do_reset, |
| 61 | "Perform RESET of the CPU", |
| 62 | "" |
| 63 | ); |