2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <fdt_support.h>
11 #include <linux/libfdt.h>
14 #include <tee/optee.h>
16 DECLARE_GLOBAL_DATA_PTR
;
18 static int do_bootm_standalone(int flag
, int argc
, char * const argv
[],
19 bootm_headers_t
*images
)
22 int (*appl
)(int, char *const[]);
24 /* Don't start if "autostart" is set to "no" */
25 s
= env_get("autostart");
26 if ((s
!= NULL
) && !strcmp(s
, "no")) {
27 env_set_hex("filesize", images
->os
.image_len
);
30 appl
= (int (*)(int, char * const []))images
->ep
;
35 /*******************************************************************/
36 /* OS booting routines */
37 /*******************************************************************/
39 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
40 static void copy_args(char *dest
, int argc
, char * const argv
[], char delim
)
44 for (i
= 0; i
< argc
; i
++) {
47 strcpy(dest
, argv
[i
]);
48 dest
+= strlen(argv
[i
]);
53 #ifdef CONFIG_BOOTM_NETBSD
54 static int do_bootm_netbsd(int flag
, int argc
, char * const argv
[],
55 bootm_headers_t
*images
)
57 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
58 image_header_t
*os_hdr
, *hdr
;
59 ulong kernel_data
, kernel_len
;
62 if (flag
!= BOOTM_STATE_OS_GO
)
65 #if defined(CONFIG_FIT)
66 if (!images
->legacy_hdr_valid
) {
67 fit_unsupported_reset("NetBSD");
71 hdr
= images
->legacy_hdr_os
;
74 * Booting a (NetBSD) kernel image
76 * This process is pretty similar to a standalone application:
77 * The (first part of an multi-) image must be a stage-2 loader,
78 * which in turn is responsible for loading & invoking the actual
79 * kernel. The only differences are the parameters being passed:
80 * besides the board info strucure, the loader expects a command
81 * line, the name of the console device, and (optionally) the
82 * address of the original image header.
85 if (image_check_type(&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
86 image_multi_getimg(hdr
, 1, &kernel_data
, &kernel_len
);
95 for (i
= 0, len
= 0; i
< argc
; i
+= 1)
96 len
+= strlen(argv
[i
]) + 1;
97 cmdline
= malloc(len
);
98 copy_args(cmdline
, argc
, argv
, ' ');
100 cmdline
= env_get("bootargs");
105 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
107 printf("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
110 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
113 * NetBSD Stage-2 Loader Parameters:
114 * arg[0]: pointer to board info data
115 * arg[1]: image load address
116 * arg[2]: char pointer to the console device to use
117 * arg[3]: char pointer to the boot arguments
119 (*loader
)(gd
->bd
, os_hdr
, "", cmdline
);
123 #endif /* CONFIG_BOOTM_NETBSD*/
125 #ifdef CONFIG_LYNXKDI
126 static int do_bootm_lynxkdi(int flag
, int argc
, char * const argv
[],
127 bootm_headers_t
*images
)
129 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
131 if (flag
!= BOOTM_STATE_OS_GO
)
134 #if defined(CONFIG_FIT)
135 if (!images
->legacy_hdr_valid
) {
136 fit_unsupported_reset("Lynx");
141 lynxkdi_boot((image_header_t
*)hdr
);
145 #endif /* CONFIG_LYNXKDI */
147 #ifdef CONFIG_BOOTM_RTEMS
148 static int do_bootm_rtems(int flag
, int argc
, char * const argv
[],
149 bootm_headers_t
*images
)
151 void (*entry_point
)(bd_t
*);
153 if (flag
!= BOOTM_STATE_OS_GO
)
156 #if defined(CONFIG_FIT)
157 if (!images
->legacy_hdr_valid
) {
158 fit_unsupported_reset("RTEMS");
163 entry_point
= (void (*)(bd_t
*))images
->ep
;
165 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
168 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
172 * r3: ptr to board info data
174 (*entry_point
)(gd
->bd
);
178 #endif /* CONFIG_BOOTM_RTEMS */
180 #if defined(CONFIG_BOOTM_OSE)
181 static int do_bootm_ose(int flag
, int argc
, char * const argv
[],
182 bootm_headers_t
*images
)
184 void (*entry_point
)(void);
186 if (flag
!= BOOTM_STATE_OS_GO
)
189 #if defined(CONFIG_FIT)
190 if (!images
->legacy_hdr_valid
) {
191 fit_unsupported_reset("OSE");
196 entry_point
= (void (*)(void))images
->ep
;
198 printf("## Transferring control to OSE (at address %08lx) ...\n",
201 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
211 #endif /* CONFIG_BOOTM_OSE */
213 #if defined(CONFIG_BOOTM_PLAN9)
214 static int do_bootm_plan9(int flag
, int argc
, char * const argv
[],
215 bootm_headers_t
*images
)
217 void (*entry_point
)(void);
220 if (flag
!= BOOTM_STATE_OS_GO
)
223 #if defined(CONFIG_FIT)
224 if (!images
->legacy_hdr_valid
) {
225 fit_unsupported_reset("Plan 9");
230 /* See README.plan9 */
231 s
= env_get("confaddr");
233 char *confaddr
= (char *)simple_strtoul(s
, NULL
, 16);
236 copy_args(confaddr
, argc
, argv
, '\n');
238 s
= env_get("bootargs");
244 entry_point
= (void (*)(void))images
->ep
;
246 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
249 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
259 #endif /* CONFIG_BOOTM_PLAN9 */
261 #if defined(CONFIG_BOOTM_VXWORKS) && \
262 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
264 void do_bootvx_fdt(bootm_headers_t
*images
)
266 #if defined(CONFIG_OF_LIBFDT)
269 ulong of_size
= images
->ft_len
;
270 char **of_flat_tree
= &images
->ft_addr
;
271 struct lmb
*lmb
= &images
->lmb
;
274 boot_fdt_add_mem_rsv_regions(lmb
, *of_flat_tree
);
276 ret
= boot_relocate_fdt(lmb
, of_flat_tree
, &of_size
);
280 /* Update ethernet nodes */
281 fdt_fixup_ethernet(*of_flat_tree
);
283 ret
= fdt_add_subnode(*of_flat_tree
, 0, "chosen");
284 if ((ret
>= 0 || ret
== -FDT_ERR_EXISTS
)) {
285 bootline
= env_get("bootargs");
287 ret
= fdt_find_and_setprop(*of_flat_tree
,
288 "/chosen", "bootargs",
290 strlen(bootline
) + 1, 1);
292 printf("## ERROR: %s : %s\n", __func__
,
298 printf("## ERROR: %s : %s\n", __func__
,
305 boot_prep_vxworks(images
);
307 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
309 #if defined(CONFIG_OF_LIBFDT)
310 printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
311 (ulong
)images
->ep
, (ulong
)*of_flat_tree
);
313 printf("## Starting vxWorks at 0x%08lx\n", (ulong
)images
->ep
);
316 boot_jump_vxworks(images
);
318 puts("## vxWorks terminated\n");
321 static int do_bootm_vxworks(int flag
, int argc
, char * const argv
[],
322 bootm_headers_t
*images
)
324 if (flag
!= BOOTM_STATE_OS_GO
)
327 #if defined(CONFIG_FIT)
328 if (!images
->legacy_hdr_valid
) {
329 fit_unsupported_reset("VxWorks");
334 do_bootvx_fdt(images
);
340 #if defined(CONFIG_CMD_ELF)
341 static int do_bootm_qnxelf(int flag
, int argc
, char * const argv
[],
342 bootm_headers_t
*images
)
348 if (flag
!= BOOTM_STATE_OS_GO
)
351 #if defined(CONFIG_FIT)
352 if (!images
->legacy_hdr_valid
) {
353 fit_unsupported_reset("QNX");
358 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
359 local_args
[0] = argv
[0];
360 local_args
[1] = str
; /* and provide it via the arguments */
363 * QNX images require the data cache is disabled.
365 dcache
= dcache_status();
369 do_bootelf(NULL
, 0, 2, local_args
);
378 #ifdef CONFIG_INTEGRITY
379 static int do_bootm_integrity(int flag
, int argc
, char * const argv
[],
380 bootm_headers_t
*images
)
382 void (*entry_point
)(void);
384 if (flag
!= BOOTM_STATE_OS_GO
)
387 #if defined(CONFIG_FIT)
388 if (!images
->legacy_hdr_valid
) {
389 fit_unsupported_reset("INTEGRITY");
394 entry_point
= (void (*)(void))images
->ep
;
396 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
399 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
402 * INTEGRITY Parameters:
411 #ifdef CONFIG_BOOTM_OPENRTOS
412 static int do_bootm_openrtos(int flag
, int argc
, char * const argv
[],
413 bootm_headers_t
*images
)
415 void (*entry_point
)(void);
417 if (flag
!= BOOTM_STATE_OS_GO
)
420 entry_point
= (void (*)(void))images
->ep
;
422 printf("## Transferring control to OpenRTOS (at address %08lx) ...\n",
425 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
428 * OpenRTOS Parameters:
437 #ifdef CONFIG_BOOTM_OPTEE
438 static int do_bootm_tee(int flag
, int argc
, char * const argv
[],
439 bootm_headers_t
*images
)
444 if (images
->os
.os
!= IH_OS_TEE
) {
448 /* Validate OPTEE header */
449 ret
= optee_verify_bootm_image(images
->os
.image_start
,
451 images
->os
.image_len
);
456 ret
= bootm_find_images(flag
, argc
, argv
);
460 /* From here we can run the regular linux boot path */
461 return do_bootm_linux(flag
, argc
, argv
, images
);
465 static boot_os_fn
*boot_os
[] = {
466 [IH_OS_U_BOOT
] = do_bootm_standalone
,
467 #ifdef CONFIG_BOOTM_LINUX
468 [IH_OS_LINUX
] = do_bootm_linux
,
470 #ifdef CONFIG_BOOTM_NETBSD
471 [IH_OS_NETBSD
] = do_bootm_netbsd
,
473 #ifdef CONFIG_LYNXKDI
474 [IH_OS_LYNXOS
] = do_bootm_lynxkdi
,
476 #ifdef CONFIG_BOOTM_RTEMS
477 [IH_OS_RTEMS
] = do_bootm_rtems
,
479 #if defined(CONFIG_BOOTM_OSE)
480 [IH_OS_OSE
] = do_bootm_ose
,
482 #if defined(CONFIG_BOOTM_PLAN9)
483 [IH_OS_PLAN9
] = do_bootm_plan9
,
485 #if defined(CONFIG_BOOTM_VXWORKS) && \
486 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
487 [IH_OS_VXWORKS
] = do_bootm_vxworks
,
489 #if defined(CONFIG_CMD_ELF)
490 [IH_OS_QNX
] = do_bootm_qnxelf
,
492 #ifdef CONFIG_INTEGRITY
493 [IH_OS_INTEGRITY
] = do_bootm_integrity
,
495 #ifdef CONFIG_BOOTM_OPENRTOS
496 [IH_OS_OPENRTOS
] = do_bootm_openrtos
,
498 #ifdef CONFIG_BOOTM_OPTEE
499 [IH_OS_TEE
] = do_bootm_tee
,
503 /* Allow for arch specific config before we boot */
504 __weak
void arch_preboot_os(void)
506 /* please define platform specific arch_preboot_os() */
509 int boot_selected_os(int argc
, char * const argv
[], int state
,
510 bootm_headers_t
*images
, boot_os_fn
*boot_fn
)
513 boot_fn(state
, argc
, argv
, images
);
515 /* Stand-alone may return when 'autostart' is 'no' */
516 if (images
->os
.type
== IH_TYPE_STANDALONE
||
517 IS_ENABLED(CONFIG_SANDBOX
) ||
518 state
== BOOTM_STATE_OS_FAKE_GO
) /* We expect to return */
520 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED
);
521 debug("\n## Control returned to monitor - resetting...\n");
523 return BOOTM_ERR_RESET
;
526 boot_os_fn
*bootm_os_get_boot_func(int os
)
528 #ifdef CONFIG_NEEDS_MANUAL_RELOC
529 static bool relocated
;
534 /* relocate boot function table */
535 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
536 if (boot_os
[i
] != NULL
)
537 boot_os
[i
] += gd
->reloc_off
;