[people/ms/u-boot.git] / common / bootm_os.c

/*
 * (C) Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <bootm.h>
#include <fdt_support.h>
#include <libfdt.h>
#include <malloc.h>
#include <vxworks.h>

DECLARE_GLOBAL_DATA_PTR;

static int do_bootm_standalone(int flag, int argc, char * const argv[],
			       bootm_headers_t *images)
{
	char *s;
	int (*appl)(int, char *const[]);

	/* Don't start if "autostart" is set to "no" */
	s = getenv("autostart");
	if ((s != NULL) && !strcmp(s, "no")) {
		setenv_hex("filesize", images->os.image_len);
		return 0;
	}
	appl = (int (*)(int, char * const []))images->ep;
	appl(argc, argv);
	return 0;
}

/*******************************************************************/
/* OS booting routines */
/*******************************************************************/

#if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9)
static void copy_args(char *dest, int argc, char * const argv[], char delim)
{
	int i;

	for (i = 0; i < argc; i++) {
		if (i > 0)
			*dest++ = delim;
		strcpy(dest, argv[i]);
		dest += strlen(argv[i]);
	}
}
#endif

#ifdef CONFIG_BOOTM_NETBSD
static int do_bootm_netbsd(int flag, int argc, char * const argv[],
			    bootm_headers_t *images)
{
	void (*loader)(bd_t *, image_header_t *, char *, char *);
	image_header_t *os_hdr, *hdr;
	ulong kernel_data, kernel_len;
	char *cmdline;

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("NetBSD");
		return 1;
	}
#endif
	hdr = images->legacy_hdr_os;

	/*
	 * Booting a (NetBSD) kernel image
	 *
	 * This process is pretty similar to a standalone application:
	 * The (first part of an multi-) image must be a stage-2 loader,
	 * which in turn is responsible for loading & invoking the actual
	 * kernel.  The only differences are the parameters being passed:
	 * besides the board info strucure, the loader expects a command
	 * line, the name of the console device, and (optionally) the
	 * address of the original image header.
	 */
	os_hdr = NULL;
	if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
		image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
		if (kernel_len)
			os_hdr = hdr;
	}

	if (argc > 0) {
		ulong len;
		int   i;

		for (i = 0, len = 0; i < argc; i += 1)
			len += strlen(argv[i]) + 1;
		cmdline = malloc(len);
		copy_args(cmdline, argc, argv, ' ');
	} else {
		cmdline = getenv("bootargs");
		if (cmdline == NULL)
			cmdline = "";
	}

	loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;

	printf("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
	       (ulong)loader);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * NetBSD Stage-2 Loader Parameters:
	 *   arg[0]: pointer to board info data
	 *   arg[1]: image load address
	 *   arg[2]: char pointer to the console device to use
	 *   arg[3]: char pointer to the boot arguments
	 */
	(*loader)(gd->bd, os_hdr, "", cmdline);

	return 1;
}
#endif /* CONFIG_BOOTM_NETBSD*/

#ifdef CONFIG_LYNXKDI
static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
			     bootm_headers_t *images)
{
	image_header_t *hdr = &images->legacy_hdr_os_copy;

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("Lynx");
		return 1;
	}
#endif

	lynxkdi_boot((image_header_t *)hdr);

	return 1;
}
#endif /* CONFIG_LYNXKDI */

#ifdef CONFIG_BOOTM_RTEMS
static int do_bootm_rtems(int flag, int argc, char * const argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(bd_t *);

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("RTEMS");
		return 1;
	}
#endif

	entry_point = (void (*)(bd_t *))images->ep;

	printf("## Transferring control to RTEMS (at address %08lx) ...\n",
	       (ulong)entry_point);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * RTEMS Parameters:
	 *   r3: ptr to board info data
	 */
	(*entry_point)(gd->bd);

	return 1;
}
#endif /* CONFIG_BOOTM_RTEMS */

#if defined(CONFIG_BOOTM_OSE)
static int do_bootm_ose(int flag, int argc, char * const argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(void);

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("OSE");
		return 1;
	}
#endif

	entry_point = (void (*)(void))images->ep;

	printf("## Transferring control to OSE (at address %08lx) ...\n",
	       (ulong)entry_point);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * OSE Parameters:
	 *   None
	 */
	(*entry_point)();

	return 1;
}
#endif /* CONFIG_BOOTM_OSE */

#if defined(CONFIG_BOOTM_PLAN9)
static int do_bootm_plan9(int flag, int argc, char * const argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(void);
	char *s;

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("Plan 9");
		return 1;
	}
#endif

	/* See README.plan9 */
	s = getenv("confaddr");
	if (s != NULL) {
		char *confaddr = (char *)simple_strtoul(s, NULL, 16);

		if (argc > 0) {
			copy_args(confaddr, argc, argv, '\n');
		} else {
			s = getenv("bootargs");
			if (s != NULL)
				strcpy(confaddr, s);
		}
	}

	entry_point = (void (*)(void))images->ep;

	printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
	       (ulong)entry_point);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * Plan 9 Parameters:
	 *   None
	 */
	(*entry_point)();

	return 1;
}
#endif /* CONFIG_BOOTM_PLAN9 */

#if defined(CONFIG_BOOTM_VXWORKS) && \
	(defined(CONFIG_PPC) || defined(CONFIG_ARM))

void do_bootvx_fdt(bootm_headers_t *images)
{
#if defined(CONFIG_OF_LIBFDT)
	int ret;
	char *bootline;
	ulong of_size = images->ft_len;
	char **of_flat_tree = &images->ft_addr;
	struct lmb *lmb = &images->lmb;

	if (*of_flat_tree) {
		boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);

		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
		if (ret)
			return;

		ret = fdt_add_subnode(*of_flat_tree, 0, "chosen");
		if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) {
			bootline = getenv("bootargs");
			if (bootline) {
				ret = fdt_find_and_setprop(*of_flat_tree,
						"/chosen", "bootargs",
						bootline,
						strlen(bootline) + 1, 1);
				if (ret < 0) {
					printf("## ERROR: %s : %s\n", __func__,
					       fdt_strerror(ret));
					return;
				}
			}
		} else {
			printf("## ERROR: %s : %s\n", __func__,
			       fdt_strerror(ret));
			return;
		}
	}
#endif

	boot_prep_vxworks(images);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

#if defined(CONFIG_OF_LIBFDT)
	printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n",
	       (ulong)images->ep, (ulong)*of_flat_tree);
#else
	printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep);
#endif

	boot_jump_vxworks(images);

	puts("## vxWorks terminated\n");
}

static int do_bootm_vxworks(int flag, int argc, char * const argv[],
			     bootm_headers_t *images)
{
	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("VxWorks");
		return 1;
	}
#endif

	do_bootvx_fdt(images);

	return 1;
}
#endif

#if defined(CONFIG_CMD_ELF)
static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
			    bootm_headers_t *images)
{
	char *local_args[2];
	char str[16];
	int dcache;

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("QNX");
		return 1;
	}
#endif

	sprintf(str, "%lx", images->ep); /* write entry-point into string */
	local_args[0] = argv[0];
	local_args[1] = str;	/* and provide it via the arguments */

	/*
	 * QNX images require the data cache is disabled.
	 */
	dcache = dcache_status();
	if (dcache)
		dcache_disable();

	do_bootelf(NULL, 0, 2, local_args);

	if (dcache)
		dcache_enable();

	return 1;
}
#endif

#ifdef CONFIG_INTEGRITY
static int do_bootm_integrity(int flag, int argc, char * const argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(void);

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

#if defined(CONFIG_FIT)
	if (!images->legacy_hdr_valid) {
		fit_unsupported_reset("INTEGRITY");
		return 1;
	}
#endif

	entry_point = (void (*)(void))images->ep;

	printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
	       (ulong)entry_point);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * INTEGRITY Parameters:
	 *   None
	 */
	(*entry_point)();

	return 1;
}
#endif

#ifdef CONFIG_BOOTM_OPENRTOS
static int do_bootm_openrtos(int flag, int argc, char * const argv[],
			   bootm_headers_t *images)
{
	void (*entry_point)(void);

	if (flag != BOOTM_STATE_OS_GO)
		return 0;

	entry_point = (void (*)(void))images->ep;

	printf("## Transferring control to OpenRTOS (at address %08lx) ...\n",
		(ulong)entry_point);

	bootstage_mark(BOOTSTAGE_ID_RUN_OS);

	/*
	 * OpenRTOS Parameters:
	 *   None
	 */
	(*entry_point)();

	return 1;
}
#endif

static boot_os_fn *boot_os[] = {
	[IH_OS_U_BOOT] = do_bootm_standalone,
#ifdef CONFIG_BOOTM_LINUX
	[IH_OS_LINUX] = do_bootm_linux,
#endif
#ifdef CONFIG_BOOTM_NETBSD
	[IH_OS_NETBSD] = do_bootm_netbsd,
#endif
#ifdef CONFIG_LYNXKDI
	[IH_OS_LYNXOS] = do_bootm_lynxkdi,
#endif
#ifdef CONFIG_BOOTM_RTEMS
	[IH_OS_RTEMS] = do_bootm_rtems,
#endif
#if defined(CONFIG_BOOTM_OSE)
	[IH_OS_OSE] = do_bootm_ose,
#endif
#if defined(CONFIG_BOOTM_PLAN9)
	[IH_OS_PLAN9] = do_bootm_plan9,
#endif
#if defined(CONFIG_BOOTM_VXWORKS) && \
	(defined(CONFIG_PPC) || defined(CONFIG_ARM))
	[IH_OS_VXWORKS] = do_bootm_vxworks,
#endif
#if defined(CONFIG_CMD_ELF)
	[IH_OS_QNX] = do_bootm_qnxelf,
#endif
#ifdef CONFIG_INTEGRITY
	[IH_OS_INTEGRITY] = do_bootm_integrity,
#endif
#ifdef CONFIG_BOOTM_OPENRTOS
	[IH_OS_OPENRTOS] = do_bootm_openrtos,
#endif
};

/* Allow for arch specific config before we boot */
__weak void arch_preboot_os(void)
{
	/* please define platform specific arch_preboot_os() */
}

int boot_selected_os(int argc, char * const argv[], int state,
		     bootm_headers_t *images, boot_os_fn *boot_fn)
{
	arch_preboot_os();
	boot_fn(state, argc, argv, images);

	/* Stand-alone may return when 'autostart' is 'no' */
	if (images->os.type == IH_TYPE_STANDALONE ||
	    IS_ENABLED(CONFIG_SANDBOX) ||
	    state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */
		return 0;
	bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
	debug("\n## Control returned to monitor - resetting...\n");

	return BOOTM_ERR_RESET;
}

boot_os_fn *bootm_os_get_boot_func(int os)
{
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	static bool relocated;

	if (!relocated) {
		int i;

		/* relocate boot function table */
		for (i = 0; i < ARRAY_SIZE(boot_os); i++)
			if (boot_os[i] != NULL)
				boot_os[i] += gd->reloc_off;

		relocated = true;
	}
#endif
	return boot_os[os];
}
Commit	Line	Data
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);
b6396403 SG	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");
851bda81 LM	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	}