blob: d9e6e937f7ca627852d595ff23496b8d5af86fce [file] [log] [blame]
Simon Glassb6396402014-06-12 07:24:46 -06001/*
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
15DECLARE_GLOBAL_DATA_PTR;
16
17static 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)
39static 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
53static 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;
Simon Glassb6396402014-06-12 07:24:46 -060059 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
Simon Glassb6396402014-06-12 07:24:46 -060090 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 */
Heiko Schocher5b8e76c2017-06-07 17:33:09 +0200118 (*loader)(gd->bd, os_hdr, "", cmdline);
Simon Glassb6396402014-06-12 07:24:46 -0600119
120 return 1;
121}
122#endif /* CONFIG_BOOTM_NETBSD*/
123
124#ifdef CONFIG_LYNXKDI
125static 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
147static 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)
180static 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)
213static 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
263void 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
317static 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)
337static 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];
Emmanuel Vadot995eab82017-01-19 10:23:56 +0100342 int dcache;
Simon Glassb6396402014-06-12 07:24:46 -0600343
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 */
Emmanuel Vadot995eab82017-01-19 10:23:56 +0100357
358 /*
359 * QNX images require the data cache is disabled.
360 */
361 dcache = dcache_status();
362 if (dcache)
363 dcache_disable();
364
Simon Glassb6396402014-06-12 07:24:46 -0600365 do_bootelf(NULL, 0, 2, local_args);
366
Emmanuel Vadot995eab82017-01-19 10:23:56 +0100367 if (dcache)
368 dcache_enable();
369
Simon Glassb6396402014-06-12 07:24:46 -0600370 return 1;
371}
372#endif
373
374#ifdef CONFIG_INTEGRITY
375static 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
Marek Vasut67ddd952014-12-16 14:07:21 +0100407#ifdef CONFIG_BOOTM_OPENRTOS
408static 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
Simon Glassb6396402014-06-12 07:24:46 -0600433static 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
Marek Vasut67ddd952014-12-16 14:07:21 +0100463#ifdef CONFIG_BOOTM_OPENRTOS
464 [IH_OS_OPENRTOS] = do_bootm_openrtos,
465#endif
Simon Glassb6396402014-06-12 07:24:46 -0600466};
467
468/* Allow for arch specific config before we boot */
Jeroen Hofstee82c3a4c2014-07-10 23:06:25 +0200469__weak void arch_preboot_os(void)
Simon Glassb6396402014-06-12 07:24:46 -0600470{
471 /* please define platform specific arch_preboot_os() */
472}
Simon Glassb6396402014-06-12 07:24:46 -0600473
474int 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 ||
Simon Glassb9c771b2016-07-03 09:40:35 -0600482 IS_ENABLED(CONFIG_SANDBOX) ||
Simon Glassb6396402014-06-12 07:24:46 -0600483 state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
484 return 0;
485 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
Lukasz Majewski851bda82016-05-08 08:52:21 +0200486 debug("\n## Control returned to monitor - resetting...\n");
487
Simon Glassb6396402014-06-12 07:24:46 -0600488 return BOOTM_ERR_RESET;
489}
490
491boot_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}