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b6396403 SG |
1 | /* |
2 | * (C) Copyright 2000-2009 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <bootm.h> | |
10 | #include <fdt_support.h> | |
11 | #include <libfdt.h> | |
12 | #include <malloc.h> | |
13 | #include <vxworks.h> | |
14 | ||
15 | DECLARE_GLOBAL_DATA_PTR; | |
16 | ||
17 | static int do_bootm_standalone(int flag, int argc, char * const argv[], | |
18 | bootm_headers_t *images) | |
19 | { | |
20 | char *s; | |
21 | int (*appl)(int, char *const[]); | |
22 | ||
23 | /* Don't start if "autostart" is set to "no" */ | |
24 | s = getenv("autostart"); | |
25 | if ((s != NULL) && !strcmp(s, "no")) { | |
26 | setenv_hex("filesize", images->os.image_len); | |
27 | return 0; | |
28 | } | |
29 | appl = (int (*)(int, char * const []))images->ep; | |
30 | appl(argc, argv); | |
31 | return 0; | |
32 | } | |
33 | ||
34 | /*******************************************************************/ | |
35 | /* OS booting routines */ | |
36 | /*******************************************************************/ | |
37 | ||
38 | #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9) | |
39 | static void copy_args(char *dest, int argc, char * const argv[], char delim) | |
40 | { | |
41 | int i; | |
42 | ||
43 | for (i = 0; i < argc; i++) { | |
44 | if (i > 0) | |
45 | *dest++ = delim; | |
46 | strcpy(dest, argv[i]); | |
47 | dest += strlen(argv[i]); | |
48 | } | |
49 | } | |
50 | #endif | |
51 | ||
52 | #ifdef CONFIG_BOOTM_NETBSD | |
53 | static int do_bootm_netbsd(int flag, int argc, char * const argv[], | |
54 | bootm_headers_t *images) | |
55 | { | |
56 | void (*loader)(bd_t *, image_header_t *, char *, char *); | |
57 | image_header_t *os_hdr, *hdr; | |
58 | ulong kernel_data, kernel_len; | |
b6396403 SG |
59 | char *cmdline; |
60 | ||
61 | if (flag != BOOTM_STATE_OS_GO) | |
62 | return 0; | |
63 | ||
64 | #if defined(CONFIG_FIT) | |
65 | if (!images->legacy_hdr_valid) { | |
66 | fit_unsupported_reset("NetBSD"); | |
67 | return 1; | |
68 | } | |
69 | #endif | |
70 | hdr = images->legacy_hdr_os; | |
71 | ||
72 | /* | |
73 | * Booting a (NetBSD) kernel image | |
74 | * | |
75 | * This process is pretty similar to a standalone application: | |
76 | * The (first part of an multi-) image must be a stage-2 loader, | |
77 | * which in turn is responsible for loading & invoking the actual | |
78 | * kernel. The only differences are the parameters being passed: | |
79 | * besides the board info strucure, the loader expects a command | |
80 | * line, the name of the console device, and (optionally) the | |
81 | * address of the original image header. | |
82 | */ | |
83 | os_hdr = NULL; | |
84 | if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { | |
85 | image_multi_getimg(hdr, 1, &kernel_data, &kernel_len); | |
86 | if (kernel_len) | |
87 | os_hdr = hdr; | |
88 | } | |
89 | ||
b6396403 SG |
90 | if (argc > 0) { |
91 | ulong len; | |
92 | int i; | |
93 | ||
94 | for (i = 0, len = 0; i < argc; i += 1) | |
95 | len += strlen(argv[i]) + 1; | |
96 | cmdline = malloc(len); | |
97 | copy_args(cmdline, argc, argv, ' '); | |
98 | } else { | |
99 | cmdline = getenv("bootargs"); | |
100 | if (cmdline == NULL) | |
101 | cmdline = ""; | |
102 | } | |
103 | ||
104 | loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep; | |
105 | ||
106 | printf("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n", | |
107 | (ulong)loader); | |
108 | ||
109 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
110 | ||
111 | /* | |
112 | * NetBSD Stage-2 Loader Parameters: | |
113 | * arg[0]: pointer to board info data | |
114 | * arg[1]: image load address | |
115 | * arg[2]: char pointer to the console device to use | |
116 | * arg[3]: char pointer to the boot arguments | |
117 | */ | |
5b8e76c3 | 118 | (*loader)(gd->bd, os_hdr, "", cmdline); |
b6396403 SG |
119 | |
120 | return 1; | |
121 | } | |
122 | #endif /* CONFIG_BOOTM_NETBSD*/ | |
123 | ||
124 | #ifdef CONFIG_LYNXKDI | |
125 | static int do_bootm_lynxkdi(int flag, int argc, char * const argv[], | |
126 | bootm_headers_t *images) | |
127 | { | |
128 | image_header_t *hdr = &images->legacy_hdr_os_copy; | |
129 | ||
130 | if (flag != BOOTM_STATE_OS_GO) | |
131 | return 0; | |
132 | ||
133 | #if defined(CONFIG_FIT) | |
134 | if (!images->legacy_hdr_valid) { | |
135 | fit_unsupported_reset("Lynx"); | |
136 | return 1; | |
137 | } | |
138 | #endif | |
139 | ||
140 | lynxkdi_boot((image_header_t *)hdr); | |
141 | ||
142 | return 1; | |
143 | } | |
144 | #endif /* CONFIG_LYNXKDI */ | |
145 | ||
146 | #ifdef CONFIG_BOOTM_RTEMS | |
147 | static int do_bootm_rtems(int flag, int argc, char * const argv[], | |
148 | bootm_headers_t *images) | |
149 | { | |
150 | void (*entry_point)(bd_t *); | |
151 | ||
152 | if (flag != BOOTM_STATE_OS_GO) | |
153 | return 0; | |
154 | ||
155 | #if defined(CONFIG_FIT) | |
156 | if (!images->legacy_hdr_valid) { | |
157 | fit_unsupported_reset("RTEMS"); | |
158 | return 1; | |
159 | } | |
160 | #endif | |
161 | ||
162 | entry_point = (void (*)(bd_t *))images->ep; | |
163 | ||
164 | printf("## Transferring control to RTEMS (at address %08lx) ...\n", | |
165 | (ulong)entry_point); | |
166 | ||
167 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
168 | ||
169 | /* | |
170 | * RTEMS Parameters: | |
171 | * r3: ptr to board info data | |
172 | */ | |
173 | (*entry_point)(gd->bd); | |
174 | ||
175 | return 1; | |
176 | } | |
177 | #endif /* CONFIG_BOOTM_RTEMS */ | |
178 | ||
179 | #if defined(CONFIG_BOOTM_OSE) | |
180 | static int do_bootm_ose(int flag, int argc, char * const argv[], | |
181 | bootm_headers_t *images) | |
182 | { | |
183 | void (*entry_point)(void); | |
184 | ||
185 | if (flag != BOOTM_STATE_OS_GO) | |
186 | return 0; | |
187 | ||
188 | #if defined(CONFIG_FIT) | |
189 | if (!images->legacy_hdr_valid) { | |
190 | fit_unsupported_reset("OSE"); | |
191 | return 1; | |
192 | } | |
193 | #endif | |
194 | ||
195 | entry_point = (void (*)(void))images->ep; | |
196 | ||
197 | printf("## Transferring control to OSE (at address %08lx) ...\n", | |
198 | (ulong)entry_point); | |
199 | ||
200 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
201 | ||
202 | /* | |
203 | * OSE Parameters: | |
204 | * None | |
205 | */ | |
206 | (*entry_point)(); | |
207 | ||
208 | return 1; | |
209 | } | |
210 | #endif /* CONFIG_BOOTM_OSE */ | |
211 | ||
212 | #if defined(CONFIG_BOOTM_PLAN9) | |
213 | static int do_bootm_plan9(int flag, int argc, char * const argv[], | |
214 | bootm_headers_t *images) | |
215 | { | |
216 | void (*entry_point)(void); | |
217 | char *s; | |
218 | ||
219 | if (flag != BOOTM_STATE_OS_GO) | |
220 | return 0; | |
221 | ||
222 | #if defined(CONFIG_FIT) | |
223 | if (!images->legacy_hdr_valid) { | |
224 | fit_unsupported_reset("Plan 9"); | |
225 | return 1; | |
226 | } | |
227 | #endif | |
228 | ||
229 | /* See README.plan9 */ | |
230 | s = getenv("confaddr"); | |
231 | if (s != NULL) { | |
232 | char *confaddr = (char *)simple_strtoul(s, NULL, 16); | |
233 | ||
234 | if (argc > 0) { | |
235 | copy_args(confaddr, argc, argv, '\n'); | |
236 | } else { | |
237 | s = getenv("bootargs"); | |
238 | if (s != NULL) | |
239 | strcpy(confaddr, s); | |
240 | } | |
241 | } | |
242 | ||
243 | entry_point = (void (*)(void))images->ep; | |
244 | ||
245 | printf("## Transferring control to Plan 9 (at address %08lx) ...\n", | |
246 | (ulong)entry_point); | |
247 | ||
248 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
249 | ||
250 | /* | |
251 | * Plan 9 Parameters: | |
252 | * None | |
253 | */ | |
254 | (*entry_point)(); | |
255 | ||
256 | return 1; | |
257 | } | |
258 | #endif /* CONFIG_BOOTM_PLAN9 */ | |
259 | ||
260 | #if defined(CONFIG_BOOTM_VXWORKS) && \ | |
261 | (defined(CONFIG_PPC) || defined(CONFIG_ARM)) | |
262 | ||
263 | void do_bootvx_fdt(bootm_headers_t *images) | |
264 | { | |
265 | #if defined(CONFIG_OF_LIBFDT) | |
266 | int ret; | |
267 | char *bootline; | |
268 | ulong of_size = images->ft_len; | |
269 | char **of_flat_tree = &images->ft_addr; | |
270 | struct lmb *lmb = &images->lmb; | |
271 | ||
272 | if (*of_flat_tree) { | |
273 | boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); | |
274 | ||
275 | ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); | |
276 | if (ret) | |
277 | return; | |
278 | ||
279 | ret = fdt_add_subnode(*of_flat_tree, 0, "chosen"); | |
280 | if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) { | |
281 | bootline = getenv("bootargs"); | |
282 | if (bootline) { | |
283 | ret = fdt_find_and_setprop(*of_flat_tree, | |
284 | "/chosen", "bootargs", | |
285 | bootline, | |
286 | strlen(bootline) + 1, 1); | |
287 | if (ret < 0) { | |
288 | printf("## ERROR: %s : %s\n", __func__, | |
289 | fdt_strerror(ret)); | |
290 | return; | |
291 | } | |
292 | } | |
293 | } else { | |
294 | printf("## ERROR: %s : %s\n", __func__, | |
295 | fdt_strerror(ret)); | |
296 | return; | |
297 | } | |
298 | } | |
299 | #endif | |
300 | ||
301 | boot_prep_vxworks(images); | |
302 | ||
303 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
304 | ||
305 | #if defined(CONFIG_OF_LIBFDT) | |
306 | printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n", | |
307 | (ulong)images->ep, (ulong)*of_flat_tree); | |
308 | #else | |
309 | printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep); | |
310 | #endif | |
311 | ||
312 | boot_jump_vxworks(images); | |
313 | ||
314 | puts("## vxWorks terminated\n"); | |
315 | } | |
316 | ||
317 | static int do_bootm_vxworks(int flag, int argc, char * const argv[], | |
318 | bootm_headers_t *images) | |
319 | { | |
320 | if (flag != BOOTM_STATE_OS_GO) | |
321 | return 0; | |
322 | ||
323 | #if defined(CONFIG_FIT) | |
324 | if (!images->legacy_hdr_valid) { | |
325 | fit_unsupported_reset("VxWorks"); | |
326 | return 1; | |
327 | } | |
328 | #endif | |
329 | ||
330 | do_bootvx_fdt(images); | |
331 | ||
332 | return 1; | |
333 | } | |
334 | #endif | |
335 | ||
336 | #if defined(CONFIG_CMD_ELF) | |
337 | static int do_bootm_qnxelf(int flag, int argc, char * const argv[], | |
338 | bootm_headers_t *images) | |
339 | { | |
340 | char *local_args[2]; | |
341 | char str[16]; | |
995eab8b | 342 | int dcache; |
b6396403 SG |
343 | |
344 | if (flag != BOOTM_STATE_OS_GO) | |
345 | return 0; | |
346 | ||
347 | #if defined(CONFIG_FIT) | |
348 | if (!images->legacy_hdr_valid) { | |
349 | fit_unsupported_reset("QNX"); | |
350 | return 1; | |
351 | } | |
352 | #endif | |
353 | ||
354 | sprintf(str, "%lx", images->ep); /* write entry-point into string */ | |
355 | local_args[0] = argv[0]; | |
356 | local_args[1] = str; /* and provide it via the arguments */ | |
995eab8b EV |
357 | |
358 | /* | |
359 | * QNX images require the data cache is disabled. | |
360 | */ | |
361 | dcache = dcache_status(); | |
362 | if (dcache) | |
363 | dcache_disable(); | |
364 | ||
b6396403 SG |
365 | do_bootelf(NULL, 0, 2, local_args); |
366 | ||
995eab8b EV |
367 | if (dcache) |
368 | dcache_enable(); | |
369 | ||
b6396403 SG |
370 | return 1; |
371 | } | |
372 | #endif | |
373 | ||
374 | #ifdef CONFIG_INTEGRITY | |
375 | static int do_bootm_integrity(int flag, int argc, char * const argv[], | |
376 | bootm_headers_t *images) | |
377 | { | |
378 | void (*entry_point)(void); | |
379 | ||
380 | if (flag != BOOTM_STATE_OS_GO) | |
381 | return 0; | |
382 | ||
383 | #if defined(CONFIG_FIT) | |
384 | if (!images->legacy_hdr_valid) { | |
385 | fit_unsupported_reset("INTEGRITY"); | |
386 | return 1; | |
387 | } | |
388 | #endif | |
389 | ||
390 | entry_point = (void (*)(void))images->ep; | |
391 | ||
392 | printf("## Transferring control to INTEGRITY (at address %08lx) ...\n", | |
393 | (ulong)entry_point); | |
394 | ||
395 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
396 | ||
397 | /* | |
398 | * INTEGRITY Parameters: | |
399 | * None | |
400 | */ | |
401 | (*entry_point)(); | |
402 | ||
403 | return 1; | |
404 | } | |
405 | #endif | |
406 | ||
67ddd955 MV |
407 | #ifdef CONFIG_BOOTM_OPENRTOS |
408 | static int do_bootm_openrtos(int flag, int argc, char * const argv[], | |
409 | bootm_headers_t *images) | |
410 | { | |
411 | void (*entry_point)(void); | |
412 | ||
413 | if (flag != BOOTM_STATE_OS_GO) | |
414 | return 0; | |
415 | ||
416 | entry_point = (void (*)(void))images->ep; | |
417 | ||
418 | printf("## Transferring control to OpenRTOS (at address %08lx) ...\n", | |
419 | (ulong)entry_point); | |
420 | ||
421 | bootstage_mark(BOOTSTAGE_ID_RUN_OS); | |
422 | ||
423 | /* | |
424 | * OpenRTOS Parameters: | |
425 | * None | |
426 | */ | |
427 | (*entry_point)(); | |
428 | ||
429 | return 1; | |
430 | } | |
431 | #endif | |
432 | ||
b6396403 SG |
433 | static boot_os_fn *boot_os[] = { |
434 | [IH_OS_U_BOOT] = do_bootm_standalone, | |
435 | #ifdef CONFIG_BOOTM_LINUX | |
436 | [IH_OS_LINUX] = do_bootm_linux, | |
437 | #endif | |
438 | #ifdef CONFIG_BOOTM_NETBSD | |
439 | [IH_OS_NETBSD] = do_bootm_netbsd, | |
440 | #endif | |
441 | #ifdef CONFIG_LYNXKDI | |
442 | [IH_OS_LYNXOS] = do_bootm_lynxkdi, | |
443 | #endif | |
444 | #ifdef CONFIG_BOOTM_RTEMS | |
445 | [IH_OS_RTEMS] = do_bootm_rtems, | |
446 | #endif | |
447 | #if defined(CONFIG_BOOTM_OSE) | |
448 | [IH_OS_OSE] = do_bootm_ose, | |
449 | #endif | |
450 | #if defined(CONFIG_BOOTM_PLAN9) | |
451 | [IH_OS_PLAN9] = do_bootm_plan9, | |
452 | #endif | |
453 | #if defined(CONFIG_BOOTM_VXWORKS) && \ | |
454 | (defined(CONFIG_PPC) || defined(CONFIG_ARM)) | |
455 | [IH_OS_VXWORKS] = do_bootm_vxworks, | |
456 | #endif | |
457 | #if defined(CONFIG_CMD_ELF) | |
458 | [IH_OS_QNX] = do_bootm_qnxelf, | |
459 | #endif | |
460 | #ifdef CONFIG_INTEGRITY | |
461 | [IH_OS_INTEGRITY] = do_bootm_integrity, | |
462 | #endif | |
67ddd955 MV |
463 | #ifdef CONFIG_BOOTM_OPENRTOS |
464 | [IH_OS_OPENRTOS] = do_bootm_openrtos, | |
465 | #endif | |
b6396403 SG |
466 | }; |
467 | ||
468 | /* Allow for arch specific config before we boot */ | |
82c3a4c4 | 469 | __weak void arch_preboot_os(void) |
b6396403 SG |
470 | { |
471 | /* please define platform specific arch_preboot_os() */ | |
472 | } | |
b6396403 SG |
473 | |
474 | int boot_selected_os(int argc, char * const argv[], int state, | |
475 | bootm_headers_t *images, boot_os_fn *boot_fn) | |
476 | { | |
477 | arch_preboot_os(); | |
478 | boot_fn(state, argc, argv, images); | |
479 | ||
480 | /* Stand-alone may return when 'autostart' is 'no' */ | |
481 | if (images->os.type == IH_TYPE_STANDALONE || | |
b9c771b0 | 482 | IS_ENABLED(CONFIG_SANDBOX) || |
b6396403 SG |
483 | state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */ |
484 | return 0; | |
485 | bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED); | |
851bda81 LM |
486 | debug("\n## Control returned to monitor - resetting...\n"); |
487 | ||
b6396403 SG |
488 | return BOOTM_ERR_RESET; |
489 | } | |
490 | ||
491 | boot_os_fn *bootm_os_get_boot_func(int os) | |
492 | { | |
493 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
494 | static bool relocated; | |
495 | ||
496 | if (!relocated) { | |
497 | int i; | |
498 | ||
499 | /* relocate boot function table */ | |
500 | for (i = 0; i < ARRAY_SIZE(boot_os); i++) | |
501 | if (boot_os[i] != NULL) | |
502 | boot_os[i] += gd->reloc_off; | |
503 | ||
504 | relocated = true; | |
505 | } | |
506 | #endif | |
507 | return boot_os[os]; | |
508 | } |