1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2009
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
11 #include <efi_loader.h>
13 #include <fdt_support.h>
17 #include <linux/libfdt.h>
21 #include <tee/optee.h>
23 DECLARE_GLOBAL_DATA_PTR
;
25 static int do_bootm_standalone(int flag
, int argc
, char *const argv
[],
26 bootm_headers_t
*images
)
29 int (*appl
)(int, char *const[]);
31 /* Don't start if "autostart" is set to "no" */
32 s
= env_get("autostart");
33 if ((s
!= NULL
) && !strcmp(s
, "no")) {
34 env_set_hex("filesize", images
->os
.image_len
);
37 appl
= (int (*)(int, char * const []))images
->ep
;
42 /*******************************************************************/
43 /* OS booting routines */
44 /*******************************************************************/
46 #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
47 static void copy_args(char *dest
, int argc
, char *const argv
[], char delim
)
51 for (i
= 0; i
< argc
; i
++) {
54 strcpy(dest
, argv
[i
]);
55 dest
+= strlen(argv
[i
]);
60 #ifdef CONFIG_BOOTM_NETBSD
61 static int do_bootm_netbsd(int flag
, int argc
, char *const argv
[],
62 bootm_headers_t
*images
)
64 void (*loader
)(bd_t
*, image_header_t
*, char *, char *);
65 image_header_t
*os_hdr
, *hdr
;
66 ulong kernel_data
, kernel_len
;
69 if (flag
!= BOOTM_STATE_OS_GO
)
72 #if defined(CONFIG_FIT)
73 if (!images
->legacy_hdr_valid
) {
74 fit_unsupported_reset("NetBSD");
78 hdr
= images
->legacy_hdr_os
;
81 * Booting a (NetBSD) kernel image
83 * This process is pretty similar to a standalone application:
84 * The (first part of an multi-) image must be a stage-2 loader,
85 * which in turn is responsible for loading & invoking the actual
86 * kernel. The only differences are the parameters being passed:
87 * besides the board info strucure, the loader expects a command
88 * line, the name of the console device, and (optionally) the
89 * address of the original image header.
92 if (image_check_type(&images
->legacy_hdr_os_copy
, IH_TYPE_MULTI
)) {
93 image_multi_getimg(hdr
, 1, &kernel_data
, &kernel_len
);
102 for (i
= 0, len
= 0; i
< argc
; i
+= 1)
103 len
+= strlen(argv
[i
]) + 1;
104 cmdline
= malloc(len
);
105 copy_args(cmdline
, argc
, argv
, ' ');
107 cmdline
= env_get("bootargs");
112 loader
= (void (*)(bd_t
*, image_header_t
*, char *, char *))images
->ep
;
114 printf("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
117 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
120 * NetBSD Stage-2 Loader Parameters:
121 * arg[0]: pointer to board info data
122 * arg[1]: image load address
123 * arg[2]: char pointer to the console device to use
124 * arg[3]: char pointer to the boot arguments
126 (*loader
)(gd
->bd
, os_hdr
, "", cmdline
);
130 #endif /* CONFIG_BOOTM_NETBSD*/
132 #ifdef CONFIG_LYNXKDI
133 static int do_bootm_lynxkdi(int flag
, int argc
, char *const argv
[],
134 bootm_headers_t
*images
)
136 image_header_t
*hdr
= &images
->legacy_hdr_os_copy
;
138 if (flag
!= BOOTM_STATE_OS_GO
)
141 #if defined(CONFIG_FIT)
142 if (!images
->legacy_hdr_valid
) {
143 fit_unsupported_reset("Lynx");
148 lynxkdi_boot((image_header_t
*)hdr
);
152 #endif /* CONFIG_LYNXKDI */
154 #ifdef CONFIG_BOOTM_RTEMS
155 static int do_bootm_rtems(int flag
, int argc
, char *const argv
[],
156 bootm_headers_t
*images
)
158 void (*entry_point
)(bd_t
*);
160 if (flag
!= BOOTM_STATE_OS_GO
)
163 #if defined(CONFIG_FIT)
164 if (!images
->legacy_hdr_valid
) {
165 fit_unsupported_reset("RTEMS");
170 entry_point
= (void (*)(bd_t
*))images
->ep
;
172 printf("## Transferring control to RTEMS (at address %08lx) ...\n",
175 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
179 * r3: ptr to board info data
181 (*entry_point
)(gd
->bd
);
185 #endif /* CONFIG_BOOTM_RTEMS */
187 #if defined(CONFIG_BOOTM_OSE)
188 static int do_bootm_ose(int flag
, int argc
, char *const argv
[],
189 bootm_headers_t
*images
)
191 void (*entry_point
)(void);
193 if (flag
!= BOOTM_STATE_OS_GO
)
196 #if defined(CONFIG_FIT)
197 if (!images
->legacy_hdr_valid
) {
198 fit_unsupported_reset("OSE");
203 entry_point
= (void (*)(void))images
->ep
;
205 printf("## Transferring control to OSE (at address %08lx) ...\n",
208 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
218 #endif /* CONFIG_BOOTM_OSE */
220 #if defined(CONFIG_BOOTM_PLAN9)
221 static int do_bootm_plan9(int flag
, int argc
, char *const argv
[],
222 bootm_headers_t
*images
)
224 void (*entry_point
)(void);
227 if (flag
!= BOOTM_STATE_OS_GO
)
230 #if defined(CONFIG_FIT)
231 if (!images
->legacy_hdr_valid
) {
232 fit_unsupported_reset("Plan 9");
237 /* See README.plan9 */
238 s
= env_get("confaddr");
240 char *confaddr
= (char *)simple_strtoul(s
, NULL
, 16);
243 copy_args(confaddr
, argc
, argv
, '\n');
245 s
= env_get("bootargs");
251 entry_point
= (void (*)(void))images
->ep
;
253 printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
256 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
266 #endif /* CONFIG_BOOTM_PLAN9 */
268 #if defined(CONFIG_BOOTM_VXWORKS) && \
269 (defined(CONFIG_PPC) || defined(CONFIG_ARM))
271 static void do_bootvx_fdt(bootm_headers_t
*images
)
273 #if defined(CONFIG_OF_LIBFDT)
276 ulong of_size
= images
->ft_len
;
277 char **of_flat_tree
= &images
->ft_addr
;
278 struct lmb
*lmb
= &images
->lmb
;
281 boot_fdt_add_mem_rsv_regions(lmb
, *of_flat_tree
);
283 ret
= boot_relocate_fdt(lmb
, of_flat_tree
, &of_size
);
287 /* Update ethernet nodes */
288 fdt_fixup_ethernet(*of_flat_tree
);
290 ret
= fdt_add_subnode(*of_flat_tree
, 0, "chosen");
291 if ((ret
>= 0 || ret
== -FDT_ERR_EXISTS
)) {
292 bootline
= env_get("bootargs");
294 ret
= fdt_find_and_setprop(*of_flat_tree
,
295 "/chosen", "bootargs",
297 strlen(bootline
) + 1, 1);
299 printf("## ERROR: %s : %s\n", __func__
,
305 printf("## ERROR: %s : %s\n", __func__
,
312 boot_prep_vxworks(images
);
314 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
316 #if defined(CONFIG_OF_LIBFDT)
317 printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
318 (ulong
)images
->ep
, (ulong
)*of_flat_tree
);
320 printf("## Starting vxWorks at 0x%08lx\n", (ulong
)images
->ep
);
323 boot_jump_vxworks(images
);
325 puts("## vxWorks terminated\n");
328 static int do_bootm_vxworks_legacy(int flag
, int argc
, char *const argv
[],
329 bootm_headers_t
*images
)
331 if (flag
!= BOOTM_STATE_OS_GO
)
334 #if defined(CONFIG_FIT)
335 if (!images
->legacy_hdr_valid
) {
336 fit_unsupported_reset("VxWorks");
341 do_bootvx_fdt(images
);
346 int do_bootm_vxworks(int flag
, int argc
, char *const argv
[],
347 bootm_headers_t
*images
)
351 unsigned long vxflags
;
352 bool std_dtb
= false;
354 /* get bootargs env */
355 bootargs
= env_get("bootargs");
357 if (bootargs
!= NULL
) {
358 for (pos
= 0; pos
< strlen(bootargs
); pos
++) {
359 /* find f=0xnumber flag */
360 if ((bootargs
[pos
] == '=') && (pos
>= 1) &&
361 (bootargs
[pos
- 1] == 'f')) {
362 vxflags
= simple_strtoul(&bootargs
[pos
+ 1],
364 if (vxflags
& VXWORKS_SYSFLG_STD_DTB
)
371 if (flag
& BOOTM_STATE_OS_PREP
)
372 printf(" Using standard DTB\n");
373 return do_bootm_linux(flag
, argc
, argv
, images
);
375 if (flag
& BOOTM_STATE_OS_PREP
)
376 printf(" !!! WARNING !!! Using legacy DTB\n");
377 return do_bootm_vxworks_legacy(flag
, argc
, argv
, images
);
382 #if defined(CONFIG_CMD_ELF)
383 static int do_bootm_qnxelf(int flag
, int argc
, char *const argv
[],
384 bootm_headers_t
*images
)
390 if (flag
!= BOOTM_STATE_OS_GO
)
393 #if defined(CONFIG_FIT)
394 if (!images
->legacy_hdr_valid
) {
395 fit_unsupported_reset("QNX");
400 sprintf(str
, "%lx", images
->ep
); /* write entry-point into string */
401 local_args
[0] = argv
[0];
402 local_args
[1] = str
; /* and provide it via the arguments */
405 * QNX images require the data cache is disabled.
407 dcache
= dcache_status();
411 do_bootelf(NULL
, 0, 2, local_args
);
420 #ifdef CONFIG_INTEGRITY
421 static int do_bootm_integrity(int flag
, int argc
, char *const argv
[],
422 bootm_headers_t
*images
)
424 void (*entry_point
)(void);
426 if (flag
!= BOOTM_STATE_OS_GO
)
429 #if defined(CONFIG_FIT)
430 if (!images
->legacy_hdr_valid
) {
431 fit_unsupported_reset("INTEGRITY");
436 entry_point
= (void (*)(void))images
->ep
;
438 printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
441 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
444 * INTEGRITY Parameters:
453 #ifdef CONFIG_BOOTM_OPENRTOS
454 static int do_bootm_openrtos(int flag
, int argc
, char *const argv
[],
455 bootm_headers_t
*images
)
457 void (*entry_point
)(void);
459 if (flag
!= BOOTM_STATE_OS_GO
)
462 entry_point
= (void (*)(void))images
->ep
;
464 printf("## Transferring control to OpenRTOS (at address %08lx) ...\n",
467 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
470 * OpenRTOS Parameters:
479 #ifdef CONFIG_BOOTM_OPTEE
480 static int do_bootm_tee(int flag
, int argc
, char *const argv
[],
481 bootm_headers_t
*images
)
486 if (images
->os
.os
!= IH_OS_TEE
) {
490 /* Validate OPTEE header */
491 ret
= optee_verify_bootm_image(images
->os
.image_start
,
493 images
->os
.image_len
);
498 ret
= bootm_find_images(flag
, argc
, argv
);
502 /* From here we can run the regular linux boot path */
503 return do_bootm_linux(flag
, argc
, argv
, images
);
507 #ifdef CONFIG_BOOTM_EFI
508 static int do_bootm_efi(int flag
, int argc
, char *const argv
[],
509 bootm_headers_t
*images
)
512 efi_status_t efi_ret
;
515 if (flag
!= BOOTM_STATE_OS_GO
)
518 /* Locate FDT, if provided */
519 ret
= bootm_find_images(flag
, argc
, argv
);
523 /* Initialize EFI drivers */
524 efi_ret
= efi_init_obj_list();
525 if (efi_ret
!= EFI_SUCCESS
) {
526 printf("## Failed to initialize UEFI sub-system: r = %lu\n",
527 efi_ret
& ~EFI_ERROR_MASK
);
531 /* Install device tree */
532 efi_ret
= efi_install_fdt(images
->ft_len
533 ? images
->ft_addr
: EFI_FDT_USE_INTERNAL
);
534 if (efi_ret
!= EFI_SUCCESS
) {
535 printf("## Failed to install device tree: r = %lu\n",
536 efi_ret
& ~EFI_ERROR_MASK
);
541 printf("## Transferring control to EFI (at address %08lx) ...\n",
543 bootstage_mark(BOOTSTAGE_ID_RUN_OS
);
545 image_buf
= map_sysmem(images
->ep
, images
->os
.image_len
);
547 efi_ret
= efi_run_image(image_buf
, images
->os
.image_len
);
548 if (efi_ret
!= EFI_SUCCESS
) {
549 printf("## Failed to run EFI image: r = %lu\n",
550 efi_ret
& ~EFI_ERROR_MASK
);
558 static boot_os_fn
*boot_os
[] = {
559 [IH_OS_U_BOOT
] = do_bootm_standalone
,
560 #ifdef CONFIG_BOOTM_LINUX
561 [IH_OS_LINUX
] = do_bootm_linux
,
563 #ifdef CONFIG_BOOTM_NETBSD
564 [IH_OS_NETBSD
] = do_bootm_netbsd
,
566 #ifdef CONFIG_LYNXKDI
567 [IH_OS_LYNXOS
] = do_bootm_lynxkdi
,
569 #ifdef CONFIG_BOOTM_RTEMS
570 [IH_OS_RTEMS
] = do_bootm_rtems
,
572 #if defined(CONFIG_BOOTM_OSE)
573 [IH_OS_OSE
] = do_bootm_ose
,
575 #if defined(CONFIG_BOOTM_PLAN9)
576 [IH_OS_PLAN9
] = do_bootm_plan9
,
578 #if defined(CONFIG_BOOTM_VXWORKS) && \
579 (defined(CONFIG_PPC) || defined(CONFIG_ARM) || defined(CONFIG_RISCV))
580 [IH_OS_VXWORKS
] = do_bootm_vxworks
,
582 #if defined(CONFIG_CMD_ELF)
583 [IH_OS_QNX
] = do_bootm_qnxelf
,
585 #ifdef CONFIG_INTEGRITY
586 [IH_OS_INTEGRITY
] = do_bootm_integrity
,
588 #ifdef CONFIG_BOOTM_OPENRTOS
589 [IH_OS_OPENRTOS
] = do_bootm_openrtos
,
591 #ifdef CONFIG_BOOTM_OPTEE
592 [IH_OS_TEE
] = do_bootm_tee
,
594 #ifdef CONFIG_BOOTM_EFI
595 [IH_OS_EFI
] = do_bootm_efi
,
599 /* Allow for arch specific config before we boot */
600 __weak
void arch_preboot_os(void)
602 /* please define platform specific arch_preboot_os() */
605 /* Allow for board specific config before we boot */
606 __weak
void board_preboot_os(void)
608 /* please define board specific board_preboot_os() */
611 int boot_selected_os(int argc
, char *const argv
[], int state
,
612 bootm_headers_t
*images
, boot_os_fn
*boot_fn
)
616 boot_fn(state
, argc
, argv
, images
);
618 /* Stand-alone may return when 'autostart' is 'no' */
619 if (images
->os
.type
== IH_TYPE_STANDALONE
||
620 IS_ENABLED(CONFIG_SANDBOX
) ||
621 state
== BOOTM_STATE_OS_FAKE_GO
) /* We expect to return */
623 bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED
);
624 debug("\n## Control returned to monitor - resetting...\n");
626 return BOOTM_ERR_RESET
;
629 boot_os_fn
*bootm_os_get_boot_func(int os
)
631 #ifdef CONFIG_NEEDS_MANUAL_RELOC
632 static bool relocated
;
637 /* relocate boot function table */
638 for (i
= 0; i
< ARRAY_SIZE(boot_os
); i
++)
639 if (boot_os
[i
] != NULL
)
640 boot_os
[i
] += gd
->reloc_off
;