[thirdparty/u-boot.git] / common / cmd_elf.c

/*
 * Copyright (c) 2001 William L. Pitts
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are freely
 * permitted provided that the above copyright notice and this
 * paragraph and the following disclaimer are duplicated in all
 * such forms.
 *
 * This software is provided "AS IS" and without any express or
 * implied warranties, including, without limitation, the implied
 * warranties of merchantability and fitness for a particular
 * purpose.
 */

#include <common.h>
#include <command.h>
#include <elf.h>
#include <net.h>
#include <vxworks.h>

/*
 * A very simple elf loader, assumes the image is valid, returns the
 * entry point address.
 */
static unsigned long load_elf_image_phdr(unsigned long addr)
{
	Elf32_Ehdr *ehdr; /* Elf header structure pointer */
	Elf32_Phdr *phdr; /* Program header structure pointer */
	int i;

	ehdr = (Elf32_Ehdr *)addr;
	phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff);

	/* Load each program header */
	for (i = 0; i < ehdr->e_phnum; ++i) {
		void *dst = (void *)(uintptr_t)phdr->p_paddr;
		void *src = (void *)addr + phdr->p_offset;
		debug("Loading phdr %i to 0x%p (%i bytes)\n",
		      i, dst, phdr->p_filesz);
		if (phdr->p_filesz)
			memcpy(dst, src, phdr->p_filesz);
		if (phdr->p_filesz != phdr->p_memsz)
			memset(dst + phdr->p_filesz, 0x00,
			       phdr->p_memsz - phdr->p_filesz);
		flush_cache((unsigned long)dst, phdr->p_filesz);
		++phdr;
	}

	return ehdr->e_entry;
}

static unsigned long load_elf_image_shdr(unsigned long addr)
{
	Elf32_Ehdr *ehdr; /* Elf header structure pointer */
	Elf32_Shdr *shdr; /* Section header structure pointer */
	unsigned char *strtab = 0; /* String table pointer */
	unsigned char *image; /* Binary image pointer */
	int i; /* Loop counter */

	ehdr = (Elf32_Ehdr *)addr;

	/* Find the section header string table for output info */
	shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
			     (ehdr->e_shstrndx * sizeof(Elf32_Shdr)));

	if (shdr->sh_type == SHT_STRTAB)
		strtab = (unsigned char *)(addr + shdr->sh_offset);

	/* Load each appropriate section */
	for (i = 0; i < ehdr->e_shnum; ++i) {
		shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
				     (i * sizeof(Elf32_Shdr)));

		if (!(shdr->sh_flags & SHF_ALLOC) ||
		    shdr->sh_addr == 0 || shdr->sh_size == 0) {
			continue;
		}

		if (strtab) {
			debug("%sing %s @ 0x%08lx (%ld bytes)\n",
			      (shdr->sh_type == SHT_NOBITS) ? "Clear" : "Load",
			       &strtab[shdr->sh_name],
			       (unsigned long)shdr->sh_addr,
			       (long)shdr->sh_size);
		}

		if (shdr->sh_type == SHT_NOBITS) {
			memset((void *)(uintptr_t)shdr->sh_addr, 0,
			       shdr->sh_size);
		} else {
			image = (unsigned char *)addr + shdr->sh_offset;
			memcpy((void *)(uintptr_t)shdr->sh_addr,
			       (const void *)image, shdr->sh_size);
		}
		flush_cache(shdr->sh_addr, shdr->sh_size);
	}

	return ehdr->e_entry;
}

/* Allow ports to override the default behavior */
static unsigned long do_bootelf_exec(ulong (*entry)(int, char * const[]),
				     int argc, char * const argv[])
{
	unsigned long ret;

	/*
	 * QNX images require the data cache is disabled.
	 * Data cache is already flushed, so just turn it off.
	 */
	int dcache = dcache_status();
	if (dcache)
		dcache_disable();

	/*
	 * pass address parameter as argv[0] (aka command name),
	 * and all remaining args
	 */
	ret = entry(argc, argv);

	if (dcache)
		dcache_enable();

	return ret;
}

/*
 * Determine if a valid ELF image exists at the given memory location.
 * First look at the ELF header magic field, then make sure that it is
 * executable.
 */
int valid_elf_image(unsigned long addr)
{
	Elf32_Ehdr *ehdr; /* Elf header structure pointer */

	ehdr = (Elf32_Ehdr *)addr;

	if (!IS_ELF(*ehdr)) {
		printf("## No elf image at address 0x%08lx\n", addr);
		return 0;
	}

	if (ehdr->e_type != ET_EXEC) {
		printf("## Not a 32-bit elf image at address 0x%08lx\n", addr);
		return 0;
	}

	return 1;
}

/* Interpreter command to boot an arbitrary ELF image from memory */
int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	unsigned long addr; /* Address of the ELF image */
	unsigned long rc; /* Return value from user code */
	char *sload, *saddr;
	const char *ep = getenv("autostart");

	int rcode = 0;

	sload = saddr = NULL;
	if (argc == 3) {
		sload = argv[1];
		saddr = argv[2];
	} else if (argc == 2) {
		if (argv[1][0] == '-')
			sload = argv[1];
		else
			saddr = argv[1];
	}

	if (saddr)
		addr = simple_strtoul(saddr, NULL, 16);
	else
		addr = load_addr;

	if (!valid_elf_image(addr))
		return 1;

	if (sload && sload[1] == 'p')
		addr = load_elf_image_phdr(addr);
	else
		addr = load_elf_image_shdr(addr);

	if (ep && !strcmp(ep, "no"))
		return rcode;

	printf("## Starting application at 0x%08lx ...\n", addr);

	/*
	 * pass address parameter as argv[0] (aka command name),
	 * and all remaining args
	 */
	rc = do_bootelf_exec((void *)addr, argc - 1, argv + 1);
	if (rc != 0)
		rcode = 1;

	printf("## Application terminated, rc = 0x%lx\n", rc);

	return rcode;
}

/*
 * Interpreter command to boot VxWorks from a memory image.  The image can
 * be either an ELF image or a raw binary.  Will attempt to setup the
 * bootline and other parameters correctly.
 */
int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	unsigned long addr; /* Address of image */
	unsigned long bootaddr; /* Address to put the bootline */
	char *bootline; /* Text of the bootline */
	char *tmp; /* Temporary char pointer */
	char build_buf[128]; /* Buffer for building the bootline */
	int ptr = 0;

	/*
	 * Check the loadaddr variable.
	 * If we don't know where the image is then we're done.
	 */
	if (argc < 2)
		addr = load_addr;
	else
		addr = simple_strtoul(argv[1], NULL, 16);

#if defined(CONFIG_CMD_NET)
	/*
	 * Check to see if we need to tftp the image ourselves
	 * before starting
	 */
	if ((argc == 2) && (strcmp(argv[1], "tftp") == 0)) {
		if (net_loop(TFTPGET) <= 0)
			return 1;
		printf("Automatic boot of VxWorks image at address 0x%08lx ...\n",
			addr);
	}
#endif

	/*
	 * This should equate to
	 * NV_RAM_ADRS + NV_BOOT_OFFSET + NV_ENET_OFFSET
	 * from the VxWorks BSP header files.
	 * This will vary from board to board
	 */
#if defined(CONFIG_WALNUT)
	tmp = (char *)CONFIG_SYS_NVRAM_BASE_ADDR + 0x500;
	eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
	memcpy(tmp, &build_buf[3], 3);
#elif defined(CONFIG_SYS_VXWORKS_MAC_PTR)
	tmp = (char *)CONFIG_SYS_VXWORKS_MAC_PTR;
	eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
	memcpy(tmp, build_buf, 6);
#else
	puts("## Ethernet MAC address not copied to NV RAM\n");
#endif

	/*
	 * Use bootaddr to find the location in memory that VxWorks
	 * will look for the bootline string. The default value for
	 * PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which
	 * defaults to 0x4200.
	 */
	tmp = getenv("bootaddr");
	if (!tmp)
		bootaddr = CONFIG_SYS_VXWORKS_BOOT_ADDR;
	else
		bootaddr = simple_strtoul(tmp, NULL, 16);

	/*
	 * Check to see if the bootline is defined in the 'bootargs'
	 * parameter. If it is not defined, we may be able to
	 * construct the info.
	 */
	bootline = getenv("bootargs");
	if (bootline) {
		memcpy((void *)bootaddr, bootline,
		       max(strlen(bootline), (size_t)255));
		flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
	} else {
		ptr = sprintf(build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
		tmp = getenv("bootfile");
		if (tmp)
			ptr += sprintf(build_buf + ptr, "%s:%s ",
				       CONFIG_SYS_VXWORKS_SERVERNAME, tmp);
		else
			ptr += sprintf(build_buf + ptr, "%s:file ",
				       CONFIG_SYS_VXWORKS_SERVERNAME);

		tmp = getenv("ipaddr");
		if (tmp)
			ptr += sprintf(build_buf + ptr, "e=%s ", tmp);

		tmp = getenv("serverip");
		if (tmp)
			ptr += sprintf(build_buf + ptr, "h=%s ", tmp);

		tmp = getenv("hostname");
		if (tmp)
			ptr += sprintf(build_buf + ptr, "tn=%s ", tmp);

#ifdef CONFIG_SYS_VXWORKS_ADD_PARAMS
		ptr += sprintf(build_buf + ptr, CONFIG_SYS_VXWORKS_ADD_PARAMS);
#endif

		memcpy((void *)bootaddr, build_buf,
		       max(strlen(build_buf), (size_t)255));
		flush_cache(bootaddr, max(strlen(build_buf), (size_t)255));
	}

	/*
	 * If the data at the load address is an elf image, then
	 * treat it like an elf image. Otherwise, assume that it is a
	 * binary image.
	 */
	if (valid_elf_image(addr))
		addr = load_elf_image_shdr(addr);
	else
		puts("## Not an ELF image, assuming binary\n");

	printf("## Using bootline (@ 0x%lx): %s\n", bootaddr,
	       (char *)bootaddr);
	printf("## Starting vxWorks at 0x%08lx ...\n", addr);

	dcache_disable();
	((void (*)(int))addr)(0);

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

	return 1;
}

U_BOOT_CMD(
	bootelf, 3, 0, do_bootelf,
	"Boot from an ELF image in memory",
	"[-p|-s] [address]\n"
	"\t- load ELF image at [address] via program headers (-p)\n"
	"\t  or via section headers (-s)"
);

U_BOOT_CMD(
	bootvx, 2, 0, do_bootvx,
	"Boot vxWorks from an ELF image",
	" [address] - load address of vxWorks ELF image."
);
Commit	Line	Data
458ded34 WD	1	/*
	2	* Copyright (c) 2001 William L. Pitts
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are freely
	6	* permitted provided that the above copyright notice and this
	7	* paragraph and the following disclaimer are duplicated in all
	8	* such forms.
	9	*
	10	* This software is provided "AS IS" and without any express or
	11	* implied warranties, including, without limitation, the implied
	12	* warranties of merchantability and fitness for a particular
	13	* purpose.
	14	*/
	15
	16	#include <common.h>
	17	#include <command.h>
458ded34	18	#include <elf.h>
ebca3df7	19	#include <net.h>
29a4c24d	20	#include <vxworks.h>
458ded34	21
9dffa52d BM	22	/*
	23	* A very simple elf loader, assumes the image is valid, returns the
	24	* entry point address.
	25	*/
	26	static unsigned long load_elf_image_phdr(unsigned long addr)
	27	{
	28	Elf32_Ehdr ehdr; / Elf header structure pointer */
	29	Elf32_Phdr phdr; / Program header structure pointer */
	30	int i;
	31
	32	ehdr = (Elf32_Ehdr *)addr;
	33	phdr = (Elf32_Phdr *)(addr + ehdr->e_phoff);
	34
	35	/* Load each program header */
	36	for (i = 0; i < ehdr->e_phnum; ++i) {
	37	void dst = (void )(uintptr_t)phdr->p_paddr;
	38	void src = (void )addr + phdr->p_offset;
	39	debug("Loading phdr %i to 0x%p (%i bytes)\n",
	40	i, dst, phdr->p_filesz);
	41	if (phdr->p_filesz)
	42	memcpy(dst, src, phdr->p_filesz);
	43	if (phdr->p_filesz != phdr->p_memsz)
	44	memset(dst + phdr->p_filesz, 0x00,
	45	phdr->p_memsz - phdr->p_filesz);
	46	flush_cache((unsigned long)dst, phdr->p_filesz);
	47	++phdr;
	48	}
	49
	50	return ehdr->e_entry;
	51	}
	52
	53	static unsigned long load_elf_image_shdr(unsigned long addr)
	54	{
	55	Elf32_Ehdr ehdr; / Elf header structure pointer */
	56	Elf32_Shdr shdr; / Section header structure pointer */
	57	unsigned char strtab = 0; / String table pointer */
	58	unsigned char image; / Binary image pointer */
	59	int i; /* Loop counter */
	60
	61	ehdr = (Elf32_Ehdr *)addr;
	62
	63	/* Find the section header string table for output info */
	64	shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
	65	(ehdr->e_shstrndx * sizeof(Elf32_Shdr)));
	66
	67	if (shdr->sh_type == SHT_STRTAB)
	68	strtab = (unsigned char *)(addr + shdr->sh_offset);
	69
	70	/* Load each appropriate section */
	71	for (i = 0; i < ehdr->e_shnum; ++i) {
	72	shdr = (Elf32_Shdr *)(addr + ehdr->e_shoff +
	73	(i * sizeof(Elf32_Shdr)));
	74
	75	if (!(shdr->sh_flags & SHF_ALLOC) \|\|
	76	shdr->sh_addr == 0 \|\| shdr->sh_size == 0) {
	77	continue;
	78	}
	79
	80	if (strtab) {
	81	debug("%sing %s @ 0x%08lx (%ld bytes)\n",
	82	(shdr->sh_type == SHT_NOBITS) ? "Clear" : "Load",
	83	&strtab[shdr->sh_name],
	84	(unsigned long)shdr->sh_addr,
	85	(long)shdr->sh_size);
86	}
87
88	if (shdr->sh_type == SHT_NOBITS) {
89	memset((void *)(uintptr_t)shdr->sh_addr, 0,
90	shdr->sh_size);
91	} else {
92	image = (unsigned char *)addr + shdr->sh_offset;
93	memcpy((void *)(uintptr_t)shdr->sh_addr,
94	(const void *)image, shdr->sh_size);
95	}
96	flush_cache(shdr->sh_addr, shdr->sh_size);
97	}
98
99	return ehdr->e_entry;
100	}
017e9b79 MF	101
017e9b79 MF	102	/* Allow ports to override the default behavior */
553d8c3a	103	static unsigned long do_bootelf_exec(ulong (entry)(int, char const[]),
ebca3df7	104	int argc, char * const argv[])
1f1d88dd	105	{
017e9b79 MF	106	unsigned long ret;
017e9b79 MF	107
1f1d88dd MF	108	/*
	109	* QNX images require the data cache is disabled.
	110	* Data cache is already flushed, so just turn it off.
	111	*/
62e03d33	112	int dcache = dcache_status();
017e9b79	113	if (dcache)
62e03d33	114	dcache_disable();
1f1d88dd	115
017e9b79 MF	116	/*
	117	* pass address parameter as argv[0] (aka command name),
	118	* and all remaining args
	119	*/
62e03d33	120	ret = entry(argc, argv);
1f1d88dd	121
017e9b79	122	if (dcache)
62e03d33	123	dcache_enable();
017e9b79 MF	124
	125	return ret;
	126	}
458ded34	127
ebca3df7	128	/*
62e03d33	129	* Determine if a valid ELF image exists at the given memory location.
ebca3df7 BM	130	* First look at the ELF header magic field, then make sure that it is
	131	* executable.
	132	*/
62e03d33 DS	133	int valid_elf_image(unsigned long addr)
62e03d33 DS	134	{
ebca3df7	135	Elf32_Ehdr ehdr; / Elf header structure pointer */
62e03d33	136
ebca3df7	137	ehdr = (Elf32_Ehdr *)addr;
62e03d33 DS	138
	139	if (!IS_ELF(*ehdr)) {
	140	printf("## No elf image at address 0x%08lx\n", addr);
	141	return 0;
	142	}
	143
	144	if (ehdr->e_type != ET_EXEC) {
	145	printf("## Not a 32-bit elf image at address 0x%08lx\n", addr);
	146	return 0;
	147	}
	148
62e03d33 DS	149	return 1;
	150	}
	151
ebca3df7	152	/* Interpreter command to boot an arbitrary ELF image from memory */
62e03d33	153	int do_bootelf(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
458ded34	154	{
ebca3df7 BM	155	unsigned long addr; /* Address of the ELF image */
ebca3df7 BM	156	unsigned long rc; /* Return value from user code */
f44a928e	157	char sload, saddr;
44c8fd3a	158	const char *ep = getenv("autostart");
458ded34	159
458ded34 WD	160	int rcode = 0;
458ded34 WD	161
f44a928e MF	162	sload = saddr = NULL;
	163	if (argc == 3) {
	164	sload = argv[1];
	165	saddr = argv[2];
	166	} else if (argc == 2) {
	167	if (argv[1][0] == '-')
	168	sload = argv[1];
	169	else
	170	saddr = argv[1];
	171	}
	172
	173	if (saddr)
	174	addr = simple_strtoul(saddr, NULL, 16);
458ded34	175	else
f44a928e	176	addr = load_addr;
458ded34	177
62e03d33	178	if (!valid_elf_image(addr))
458ded34 WD	179	return 1;
458ded34 WD	180
f44a928e MF	181	if (sload && sload[1] == 'p')
	182	addr = load_elf_image_phdr(addr);
	183	else
	184	addr = load_elf_image_shdr(addr);
458ded34	185
44c8fd3a SDPP	186	if (ep && !strcmp(ep, "no"))
	187	return rcode;
	188
62e03d33	189	printf("## Starting application at 0x%08lx ...\n", addr);
458ded34	190
458ded34 WD	191	/*
	192	* pass address parameter as argv[0] (aka command name),
	193	* and all remaining args
	194	*/
62e03d33	195	rc = do_bootelf_exec((void *)addr, argc - 1, argv + 1);
458ded34 WD	196	if (rc != 0)
	197	rcode = 1;
	198
62e03d33	199	printf("## Application terminated, rc = 0x%lx\n", rc);
ebca3df7	200
458ded34 WD	201	return rcode;
	202	}
	203
ebca3df7	204	/*
458ded34 WD	205	* Interpreter command to boot VxWorks from a memory image. The image can
	206	* be either an ELF image or a raw binary. Will attempt to setup the
	207	* bootline and other parameters correctly.
ebca3df7	208	*/
62e03d33	209	int do_bootvx(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
458ded34	210	{
ebca3df7 BM	211	unsigned long addr; /* Address of image */
	212	unsigned long bootaddr; /* Address to put the bootline */
	213	char bootline; / Text of the bootline */
	214	char tmp; / Temporary char pointer */
	215	char build_buf[128]; /* Buffer for building the bootline */
7f0c3c51	216	int ptr = 0;
ebca3df7 BM	217
ebca3df7 BM	218	/*
458ded34 WD	219	* Check the loadaddr variable.
	220	* If we don't know where the image is then we're done.
	221	*/
07a1a0c9	222	if (argc < 2)
1bdd4683 SR	223	addr = load_addr;
1bdd4683 SR	224	else
07a1a0c9	225	addr = simple_strtoul(argv[1], NULL, 16);
458ded34	226
baa26db4	227	#if defined(CONFIG_CMD_NET)
62e03d33	228	/*
ebca3df7 BM	229	* Check to see if we need to tftp the image ourselves
ebca3df7 BM	230	* before starting
62e03d33	231	*/
07a1a0c9	232	if ((argc == 2) && (strcmp(argv[1], "tftp") == 0)) {
bc0571fc	233	if (net_loop(TFTPGET) <= 0)
458ded34	234	return 1;
62e03d33 DS	235	printf("Automatic boot of VxWorks image at address 0x%08lx ...\n",
62e03d33 DS	236	addr);
458ded34 WD	237	}
	238	#endif
	239
ebca3df7 BM	240	/*
	241	* This should equate to
	242	* NV_RAM_ADRS + NV_BOOT_OFFSET + NV_ENET_OFFSET
458ded34 WD	243	* from the VxWorks BSP header files.
	244	* This will vary from board to board
	245	*/
c157d8e2	246	#if defined(CONFIG_WALNUT)
ebca3df7	247	tmp = (char *)CONFIG_SYS_NVRAM_BASE_ADDR + 0x500;
76756e41	248	eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
62c93d92	249	memcpy(tmp, &build_buf[3], 3);
6d0f6bcf	250	#elif defined(CONFIG_SYS_VXWORKS_MAC_PTR)
ebca3df7	251	tmp = (char *)CONFIG_SYS_VXWORKS_MAC_PTR;
76756e41	252	eth_getenv_enetaddr("ethaddr", (uchar *)build_buf);
62c93d92	253	memcpy(tmp, build_buf, 6);
458ded34	254	#else
62e03d33	255	puts("## Ethernet MAC address not copied to NV RAM\n");
458ded34 WD	256	#endif
458ded34 WD	257
8bde7f77 WD	258	/*
	259	* Use bootaddr to find the location in memory that VxWorks
	260	* will look for the bootline string. The default value for
	261	* PowerPC is LOCAL_MEM_LOCAL_ADRS + BOOT_LINE_OFFSET which
ebca3df7	262	* defaults to 0x4200.
458ded34	263	*/
62e03d33	264	tmp = getenv("bootaddr");
1b3e0b19	265	if (!tmp)
29a4c24d	266	bootaddr = CONFIG_SYS_VXWORKS_BOOT_ADDR;
458ded34	267	else
62e03d33	268	bootaddr = simple_strtoul(tmp, NULL, 16);
458ded34	269
8bde7f77 WD	270	/*
	271	* Check to see if the bootline is defined in the 'bootargs'
	272	* parameter. If it is not defined, we may be able to
ebca3df7	273	* construct the info.
458ded34	274	*/
62e03d33 DS	275	bootline = getenv("bootargs");
62e03d33 DS	276	if (bootline) {
b4141195 MY	277	memcpy((void *)bootaddr, bootline,
	278	max(strlen(bootline), (size_t)255));
	279	flush_cache(bootaddr, max(strlen(bootline), (size_t)255));
458ded34	280	} else {
7f0c3c51	281	ptr = sprintf(build_buf, CONFIG_SYS_VXWORKS_BOOT_DEVICE);
62e03d33 DS	282	tmp = getenv("bootfile");
62e03d33 DS	283	if (tmp)
7f0c3c51 BM	284	ptr += sprintf(build_buf + ptr, "%s:%s ",
7f0c3c51 BM	285	CONFIG_SYS_VXWORKS_SERVERNAME, tmp);
62e03d33	286	else
7f0c3c51 BM	287	ptr += sprintf(build_buf + ptr, "%s:file ",
7f0c3c51 BM	288	CONFIG_SYS_VXWORKS_SERVERNAME);
458ded34	289
62e03d33 DS	290	tmp = getenv("ipaddr");
62e03d33 DS	291	if (tmp)
7f0c3c51	292	ptr += sprintf(build_buf + ptr, "e=%s ", tmp);
458ded34	293
62e03d33 DS	294	tmp = getenv("serverip");
62e03d33 DS	295	if (tmp)
7f0c3c51	296	ptr += sprintf(build_buf + ptr, "h=%s ", tmp);
62e03d33 DS	297
	298	tmp = getenv("hostname");
	299	if (tmp)
7f0c3c51	300	ptr += sprintf(build_buf + ptr, "tn=%s ", tmp);
458ded34	301
29a4c24d	302	#ifdef CONFIG_SYS_VXWORKS_ADD_PARAMS
7f0c3c51	303	ptr += sprintf(build_buf + ptr, CONFIG_SYS_VXWORKS_ADD_PARAMS);
458ded34	304	#endif
29a4c24d	305
b4141195 MY	306	memcpy((void *)bootaddr, build_buf,
	307	max(strlen(build_buf), (size_t)255));
	308	flush_cache(bootaddr, max(strlen(build_buf), (size_t)255));
458ded34 WD	309	}
458ded34 WD	310
8bde7f77 WD	311	/*
	312	* If the data at the load address is an elf image, then
	313	* treat it like an elf image. Otherwise, assume that it is a
ebca3df7	314	* binary image.
458ded34	315	*/
ebca3df7	316	if (valid_elf_image(addr))
62e03d33	317	addr = load_elf_image_shdr(addr);
ebca3df7	318	else
62e03d33	319	puts("## Not an ELF image, assuming binary\n");
458ded34	320
62e03d33	321	printf("## Using bootline (@ 0x%lx): %s\n", bootaddr,
ebca3df7	322	(char *)bootaddr);
62e03d33	323	printf("## Starting vxWorks at 0x%08lx ...\n", addr);
458ded34	324
6eee21da	325	dcache_disable();
ebca3df7	326	((void (*)(int))addr)(0);
458ded34	327
62e03d33	328	puts("## vxWorks terminated\n");
ebca3df7	329
458ded34 WD	330	return 1;
	331	}
	332
0d498393	333	U_BOOT_CMD(
ebca3df7	334	bootelf, 3, 0, do_bootelf,
2fb2604d	335	"Boot from an ELF image in memory",
f44a928e MF	336	"[-p\|-s] [address]\n"
	337	"\t- load ELF image at [address] via program headers (-p)\n"
	338	"\t or via section headers (-s)"
8bde7f77 WD	339	);
8bde7f77 WD	340
0d498393	341	U_BOOT_CMD(
ebca3df7	342	bootvx, 2, 0, do_bootvx,
2fb2604d	343	"Boot vxWorks from an ELF image",
a89c33db	344	" [address] - load address of vxWorks ELF image."
8bde7f77	345	);