示例#1
0
/**
 * boot_get_fdt - main fdt handling routine
 * @argc: command argument count
 * @argv: command argument list
 * @arch: architecture (IH_ARCH_...)
 * @images: pointer to the bootm images structure
 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
 * @of_size: pointer to a ulong variable, will hold fdt length
 *
 * boot_get_fdt() is responsible for finding a valid flat device tree image.
 * Curently supported are the following ramdisk sources:
 *      - multicomponent kernel/ramdisk image,
 *      - commandline provided address of decicated ramdisk image.
 *
 * returns:
 *     0, if fdt image was found and valid, or skipped
 *     of_flat_tree and of_size are set to fdt start address and length if
 *     fdt image is found and valid
 *
 *     1, if fdt image is found but corrupted
 *     of_flat_tree and of_size are set to 0 if no fdt exists
 */
int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
		bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
{
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	const image_header_t *fdt_hdr;
	ulong		load, load_end;
	ulong		image_start, image_data, image_end;
#endif
	ulong		fdt_addr;
	char		*fdt_blob = NULL;
	void		*buf;
#if CONFIG_IS_ENABLED(FIT)
	const char	*fit_uname_config = images->fit_uname_cfg;
	const char	*fit_uname_fdt = NULL;
	ulong		default_addr;
	int		fdt_noffset;
#endif
	const char *select = NULL;
	int		ok_no_fdt = 0;

	*of_flat_tree = NULL;
	*of_size = 0;

	if (argc > 2)
		select = argv[2];
	if (select || genimg_has_config(images)) {
#if CONFIG_IS_ENABLED(FIT)
		if (select) {
			/*
			 * If the FDT blob comes from the FIT image and the
			 * FIT image address is omitted in the command line
			 * argument, try to use ramdisk or os FIT image
			 * address or default load address.
			 */
			if (images->fit_uname_rd)
				default_addr = (ulong)images->fit_hdr_rd;
			else if (images->fit_uname_os)
				default_addr = (ulong)images->fit_hdr_os;
			else
				default_addr = load_addr;

			if (fit_parse_conf(select, default_addr,
					   &fdt_addr, &fit_uname_config)) {
				debug("*  fdt: config '%s' from image at 0x%08lx\n",
				      fit_uname_config, fdt_addr);
			} else if (fit_parse_subimage(select, default_addr,
				   &fdt_addr, &fit_uname_fdt)) {
				debug("*  fdt: subimage '%s' from image at 0x%08lx\n",
				      fit_uname_fdt, fdt_addr);
			} else
#endif
			{
				fdt_addr = simple_strtoul(select, NULL, 16);
				debug("*  fdt: cmdline image address = 0x%08lx\n",
				      fdt_addr);
			}
#if CONFIG_IS_ENABLED(FIT)
		} else {
			/* use FIT configuration provided in first bootm
			 * command argument
			 */
			fdt_addr = map_to_sysmem(images->fit_hdr_os);
			fdt_noffset = fit_get_node_from_config(images,
							       FIT_FDT_PROP,
							       fdt_addr);
			if (fdt_noffset == -ENOLINK)
				return 0;
			else if (fdt_noffset < 0)
				return 1;
		}
#endif
		debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
		      fdt_addr);

		/* copy from dataflash if needed */
		fdt_addr = genimg_get_image(fdt_addr);

		/*
		 * Check if there is an FDT image at the
		 * address provided in the second bootm argument
		 * check image type, for FIT images get a FIT node.
		 */
		buf = map_sysmem(fdt_addr, 0);
		switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
		case IMAGE_FORMAT_LEGACY:
			/* verify fdt_addr points to a valid image header */
			printf("## Flattened Device Tree from Legacy Image at %08lx\n",
			       fdt_addr);
			fdt_hdr = image_get_fdt(fdt_addr);
			if (!fdt_hdr)
				goto no_fdt;

			/*
			 * move image data to the load address,
			 * make sure we don't overwrite initial image
			 */
			image_start = (ulong)fdt_hdr;
			image_data = (ulong)image_get_data(fdt_hdr);
			image_end = image_get_image_end(fdt_hdr);

			load = image_get_load(fdt_hdr);
			load_end = load + image_get_data_size(fdt_hdr);

			if (load == image_start ||
			    load == image_data) {
				fdt_addr = load;
				break;
			}

			if ((load < image_end) && (load_end > image_start)) {
				fdt_error("fdt overwritten");
				goto error;
			}

			debug("   Loading FDT from 0x%08lx to 0x%08lx\n",
			      image_data, load);

			memmove((void *)load,
				(void *)image_data,
				image_get_data_size(fdt_hdr));

			fdt_addr = load;
			break;
#endif
		case IMAGE_FORMAT_FIT:
			/*
			 * This case will catch both: new uImage format
			 * (libfdt based) and raw FDT blob (also libfdt
			 * based).
			 */
#if CONFIG_IS_ENABLED(FIT)
			/* check FDT blob vs FIT blob */
			if (fit_check_format(buf)) {
				ulong load, len;

				fdt_noffset = fit_image_load(images,
					fdt_addr, &fit_uname_fdt,
					&fit_uname_config,
					arch, IH_TYPE_FLATDT,
					BOOTSTAGE_ID_FIT_FDT_START,
					FIT_LOAD_OPTIONAL, &load, &len);

				images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
				images->fit_uname_fdt = fit_uname_fdt;
				images->fit_noffset_fdt = fdt_noffset;
				fdt_addr = load;
				break;
			} else
#endif
			{
				/*
				 * FDT blob
				 */
				debug("*  fdt: raw FDT blob\n");
				printf("## Flattened Device Tree blob at %08lx\n",
				       (long)fdt_addr);
			}
			break;
		default:
			puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
			goto no_fdt;
		}

		printf("   Booting using the fdt blob at %#08lx\n", fdt_addr);
		fdt_blob = map_sysmem(fdt_addr, 0);
	} else if (images->legacy_hdr_valid &&
			image_check_type(&images->legacy_hdr_os_copy,
					 IH_TYPE_MULTI)) {
		ulong fdt_data, fdt_len;

		/*
		 * Now check if we have a legacy multi-component image,
		 * get second entry data start address and len.
		 */
		printf("## Flattened Device Tree from multi component Image at %08lX\n",
		       (ulong)images->legacy_hdr_os);

		image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data,
				   &fdt_len);
		if (fdt_len) {
			fdt_blob = (char *)fdt_data;
			printf("   Booting using the fdt at 0x%p\n", fdt_blob);

			if (fdt_check_header(fdt_blob) != 0) {
				fdt_error("image is not a fdt");
				goto error;
			}

			if (fdt_totalsize(fdt_blob) != fdt_len) {
				fdt_error("fdt size != image size");
				goto error;
			}
		} else {
			debug("## No Flattened Device Tree\n");
			goto no_fdt;
		}
	} else {
		debug("## No Flattened Device Tree\n");
		goto no_fdt;
	}

	*of_flat_tree = fdt_blob;
	*of_size = fdt_totalsize(fdt_blob);
	debug("   of_flat_tree at 0x%08lx size 0x%08lx\n",
	      (ulong)*of_flat_tree, *of_size);

	return 0;

no_fdt:
	ok_no_fdt = 1;
error:
	*of_flat_tree = NULL;
	*of_size = 0;
	if (!select && ok_no_fdt) {
		debug("Continuing to boot without FDT\n");
		return 0;
	}
	return 1;
}
示例#2
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	ulong		mem_start;
	phys_size_t	mem_size;
	void		*os_hdr;
	int		ret;

	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");

	lmb_init(&images.lmb);

	mem_start = getenv_bootm_low();
	mem_size = getenv_bootm_size();

	lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);

	arch_lmb_reserve(&images.lmb);
	board_lmb_reserve(&images.lmb);

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type (os_hdr);
		images.os.comp = image_get_comp (os_hdr);
		images.os.os = image_get_os (os_hdr);

		images.os.end = image_get_image_end (os_hdr);
		images.os.load = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		images.os.end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep (&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry (images.fit_hdr_os,
				images.fit_noffset_os, &images.ep);
		if (ret) {
			puts ("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts ("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.os == IH_OS_LINUX) {
		/* find ramdisk */
		ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
				&images.rd_start, &images.rd_end);
		if (ret) {
			puts ("Ramdisk image is corrupt or invalid\n");
			return 1;
		}

#if defined(CONFIG_OF_LIBFDT)
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
		/* find flattened device tree */
		ret = boot_get_fdt (flag, argc, argv, &images,
				    &images.ft_addr, &images.ft_len);
		if (ret) {
			puts ("Could not find a valid device tree\n");
			return 1;
		}

		set_working_fdt_addr(images.ft_addr);
#endif
#endif
	}

	images.os.start = (ulong)os_hdr;
	images.state = BOOTM_STATE_START;

	return 0;
}
示例#3
0
文件: cmd_bootm.c 项目: kontar/u-boot
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	const void *os_hdr;
	int ret;

	memset((void *)&images, 0, sizeof(images));
	images.verify = getenv_yesno("verify");

	boot_start_lmb(&images);

	bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format(os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type(os_hdr);
		images.os.comp = image_get_comp(os_hdr);
		images.os.os = image_get_os(os_hdr);

		images.os.end = image_get_image_end(os_hdr);
		images.os.load = image_get_load(os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts("Can't get image type!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
			return 1;
		}

		if (fit_image_get_comp(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts("Can't get image compression!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
			return 1;
		}

		if (fit_image_get_os(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts("Can't get image OS!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_OS);
			return 1;
		}

		images.os.end = fit_get_end(images.fit_hdr_os);

		if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts("Can't get image load address!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
			return 1;
		}
		break;
#endif
	default:
		puts("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry(images.fit_hdr_os,
					  images.fit_noffset_os, &images.ep);
		if (ret) {
			puts("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
		images.os.load = images.os.image_start;
		images.ep += images.os.load;
	}

	if (((images.os.type == IH_TYPE_KERNEL) ||
	     (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
	     (images.os.type == IH_TYPE_MULTI)) &&
	    (images.os.os == IH_OS_LINUX)) {
		/* find ramdisk */
		ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
				&images.rd_start, &images.rd_end);
		if (ret) {
			puts("Ramdisk image is corrupt or invalid\n");
			return 1;
		}

#if defined(CONFIG_OF_LIBFDT)
		/* find flattened device tree */
		ret = boot_get_fdt(flag, argc, argv, &images,
				   &images.ft_addr, &images.ft_len);
		if (ret) {
			puts("Could not find a valid device tree\n");
			return 1;
		}

		set_working_fdt_addr(images.ft_addr);
#endif
	}

	images.os.start = (ulong)os_hdr;
	images.state = BOOTM_STATE_START;

	return 0;
}
示例#4
0
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
			 char * const argv[])
{
	const void *os_hdr;
	bool ep_found = false;

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format(os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type(os_hdr);
		images.os.comp = image_get_comp(os_hdr);
		images.os.os = image_get_os(os_hdr);

		images.os.end = image_get_image_end(os_hdr);
		images.os.load = image_get_load(os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts("Can't get image type!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
			return 1;
		}

		if (fit_image_get_comp(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts("Can't get image compression!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
			return 1;
		}

		if (fit_image_get_os(images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts("Can't get image OS!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_OS);
			return 1;
		}

		images.os.end = fit_get_end(images.fit_hdr_os);

		if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts("Can't get image load address!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
			return 1;
		}
		break;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
	case IMAGE_FORMAT_ANDROID:
		images.os.type = IH_TYPE_KERNEL;
		images.os.comp = IH_COMP_NONE;
		images.os.os = IH_OS_LINUX;
		images.ep = images.os.load;
		ep_found = true;

		images.os.end = android_image_get_end(os_hdr);
		images.os.load = android_image_get_kload(os_hdr);
		break;
#endif
	default:
		puts("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		int ret;

		ret = fit_image_get_entry(images.fit_hdr_os,
					  images.fit_noffset_os, &images.ep);
		if (ret) {
			puts("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else if (!ep_found) {
		puts("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
		images.os.load = images.os.image_start;
		images.ep += images.os.load;
	}

	images.os.start = (ulong)os_hdr;

	return 0;
}
示例#5
0
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	image_header_t	*hdr;
	ulong		addr;
	ulong		iflag;
	const char	*type_name;
	uint		unc_len = CONFIG_SYS_BOOTM_LEN;
	uint8_t		comp, type, os;

	void		*os_hdr;
	ulong		os_data, os_len;
	ulong		image_start, image_end;
	ulong		load_start, load_end;
	ulong		mem_start;
	phys_size_t	mem_size;

	struct lmb lmb;

#if defined(CONFIG_SECURE_BOOT)
	int rv;
#endif

#if defined(CONFIG_SECURE_BOOT)
	rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
                                (unsigned char*)CONFIG_SECURE_KERNEL_BASE,
                                CONFIG_SECURE_KERNEL_SIZE-128,
                                (unsigned char*)(CONFIG_SECURE_KERNEL_BASE+CONFIG_SECURE_KERNEL_SIZE-128),
                                128 );
        if(rv != SB_OK) {
                printf("Kernel Integrity check fail\nSystem Halt....");
                while(1);
        }
        printf("Kernel Integirty check success.\n");

	rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
                                (unsigned char*)CONFIG_SECURE_ROOTFS_BASE,
                                CONFIG_SECURE_ROOTFS_SIZE-128,
                                (unsigned char*)(CONFIG_SECURE_ROOTFS_BASE+CONFIG_SECURE_ROOTFS_SIZE-128),
                                128 );
	if(rv != SB_OK) {
                printf("rootfs Integrity check fail\nSystem Halt....");
                while(1);
        }

        printf("rootfs Integirty check success.\n");

#endif
	
	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");
//	images.lmb = &lmb;
	memcpy (&images.lmb, &lmb, sizeof(struct lmb));

	lmb_init(&lmb);

	mem_start = getenv_bootm_low();
	mem_size = getenv_bootm_size();

	lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);

	board_lmb_reserve(&lmb);

#ifdef CONFIG_ZIMAGE_BOOT
#define LINUX_ZIMAGE_MAGIC	0x016f2818
	/* find out kernel image address */
	if (argc < 2) {
		addr = load_addr;
		debug ("*  kernel: default image load address = 0x%08lx\n",
				load_addr);
	} else {
		addr = simple_strtoul(argv[1], NULL, 16);
		//debug ("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
	}


	if (*(ulong *)(addr + 9*4) == LINUX_ZIMAGE_MAGIC) {
		printf("Boot with zImage\n");
		addr = virt_to_phys(addr);
		hdr = (image_header_t *)addr;
		hdr->ih_os = IH_OS_LINUX;
		hdr->ih_ep = ntohl(addr);

		memmove (&images.legacy_hdr_os_copy, hdr, sizeof(image_header_t));

		/* save pointer to image header */
		images.legacy_hdr_os = hdr;

		images.legacy_hdr_valid = 1;

		goto after_header_check;
	}
#endif

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &os_data, &os_len);
	if (os_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		type = image_get_type (os_hdr);
		comp = image_get_comp (os_hdr);
		os = image_get_os (os_hdr);

		image_end = image_get_image_end (os_hdr);
		load_start = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		image_end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&load_start)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	image_start = (ulong)os_hdr;
	load_end = 0;
	type_name = genimg_get_type_name (type);

	/*
	 * We have reached the point of no return: we are going to
	 * overwrite all exception vector code, so we cannot easily
	 * recover from any failures any more...
	 */
	iflag = disable_interrupts();

#if defined(CONFIG_CMD_USB)
	/*
	 * turn off USB to prevent the host controller from writing to the
	 * SDRAM while Linux is booting. This could happen (at least for OHCI
	 * controller), because the HCCA (Host Controller Communication Area)
	 * lies within the SDRAM and the host controller writes continously to
	 * this area (as busmaster!). The HccaFrameNumber is for example
	 * updated every 1 ms within the HCCA structure in SDRAM! For more
	 * details see the OpenHCI specification.
	 */
	usb_stop();
#endif


#ifdef CONFIG_AMIGAONEG3SE
	/*
	 * We've possible left the caches enabled during
	 * bios emulation, so turn them off again
	 */
	icache_disable();
	invalidate_l1_instruction_cache();
	flush_data_cache();
	dcache_disable();
#endif

	switch (comp) {
	case IH_COMP_NONE:
		if (load_start == (ulong)os_hdr) {
			printf ("   XIP %s ... ", type_name);
		} else {
			printf ("   Loading %s ... ", type_name);

			memmove_wd ((void *)load_start,
				   (void *)os_data, os_len, CHUNKSZ);
		}
		load_end = load_start + os_len;
		puts("OK\n");
		break;
	case IH_COMP_GZIP:
		printf ("   Uncompressing %s ... ", type_name);
		if (gunzip ((void *)load_start, unc_len,
					(uchar *)os_data, &os_len) != 0) {
			puts ("GUNZIP: uncompress or overwrite error "
				"- must RESET board to recover\n");
			show_boot_progress (-6);
			do_reset (cmdtp, flag, argc, argv);
		}

		load_end = load_start + os_len;
		break;
#ifdef CONFIG_BZIP2
	case IH_COMP_BZIP2:
		printf ("   Uncompressing %s ... ", type_name);
		/*
		 * If we've got less than 4 MB of malloc() space,
		 * use slower decompression algorithm which requires
		 * at most 2300 KB of memory.
		 */
		int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
					&unc_len, (char *)os_data, os_len,
					CFG_MALLOC_LEN < (4096 * 1024), 0);
		if (i != BZ_OK) {
			printf ("BUNZIP2: uncompress or overwrite error %d "
				"- must RESET board to recover\n", i);
			show_boot_progress (-6);
			do_reset (cmdtp, flag, argc, argv);
		}

		load_end = load_start + unc_len;
		break;
#endif /* CONFIG_BZIP2 */
	default:
		if (iflag)
			enable_interrupts();
		printf ("Unimplemented compression type %d\n", comp);
		show_boot_progress (-7);
		return 1;
	}
	puts ("OK\n");
	debug ("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
	show_boot_progress (7);

	if ((load_start < image_end) && (load_end > image_start)) {
		debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
		debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);

		if (images.legacy_hdr_valid) {
			if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
				puts ("WARNING: legacy format multi component "
					"image overwritten\n");
		} else {
			puts ("ERROR: new format image overwritten - "
				"must RESET the board to recover\n");
			show_boot_progress (-113);
			do_reset (cmdtp, flag, argc, argv);
		}
	}

	show_boot_progress (8);

	lmb_reserve(&lmb, load_start, (load_end - load_start));

#if defined(CONFIG_ZIMAGE_BOOT)
after_header_check:
	os = hdr->ih_os;
#endif

	switch (os) {
	default:			/* handled by (original) Linux case */
	case IH_OS_LINUX:
#ifdef CONFIG_SILENT_CONSOLE
	    fixup_silent_linux();
#endif
	    do_bootm_linux (flag, argc, argv, &images);
	    break;
#ifdef CONFIG_BOOTM_NETBSD
	case IH_OS_NETBSD:
	    do_bootm_netbsd (flag, argc, argv, &images);
	    break;
#endif
#ifdef CONFIG_LYNXKDI
	case IH_OS_LYNXOS:
	    do_bootm_lynxkdi (flag, argc, argv, &images);
	    break;
#endif
#ifdef CONFIG_BOOTM_RTEMS
	case IH_OS_RTEMS:
	    do_bootm_rtems (flag, argc, argv, &images);
	    break;
#endif
/*
#if defined(CONFIG_CMD_ELF)
	case IH_OS_VXWORKS:
	    do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
	    break;

	case IH_OS_QNX:
	    do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
	    break;
#endif
*/
#ifdef CONFIG_ARTOS
	case IH_OS_ARTOS:
	    do_bootm_artos (cmdtp, flag, argc, argv, &images);
	    break;
#endif
	}

	show_boot_progress (-9);
#ifdef DEBUG
	puts ("\n## Control returned to monitor - resetting...\n");
	do_reset (cmdtp, flag, argc, argv);
#endif
	if (iflag)
		enable_interrupts();

	return 1;
}
示例#6
0
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
			 char * const argv[])
{
	const void *os_hdr;
	bool ep_found = false;
	int ret;

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format(os_hdr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type(os_hdr);
		images.os.comp = image_get_comp(os_hdr);
		images.os.os = image_get_os(os_hdr);

		images.os.end = image_get_image_end(os_hdr);
		images.os.load = image_get_load(os_hdr);
		images.os.arch = image_get_arch(os_hdr);
		break;
#endif
#if IMAGE_ENABLE_FIT
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type(images.fit_hdr_os,
				       images.fit_noffset_os,
				       &images.os.type)) {
			puts("Can't get image type!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
			return 1;
		}

		if (fit_image_get_comp(images.fit_hdr_os,
				       images.fit_noffset_os,
				       &images.os.comp)) {
			puts("Can't get image compression!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
			return 1;
		}

		if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
				     &images.os.os)) {
			puts("Can't get image OS!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_OS);
			return 1;
		}

		if (fit_image_get_arch(images.fit_hdr_os,
				       images.fit_noffset_os,
				       &images.os.arch)) {
			puts("Can't get image ARCH!\n");
			return 1;
		}

		images.os.end = fit_get_end(images.fit_hdr_os);

		if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
				       &images.os.load)) {
			puts("Can't get image load address!\n");
			bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
			return 1;
		}
		break;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
	case IMAGE_FORMAT_ANDROID:
		images.os.type = IH_TYPE_KERNEL;
		images.os.comp = IH_COMP_NONE;
		images.os.os = IH_OS_LINUX;

		images.os.end = android_image_get_end(os_hdr);
		images.os.load = android_image_get_kload(os_hdr);
		images.ep = images.os.load;
		ep_found = true;
		break;
#endif
	default:
		puts("ERROR: unknown image format type!\n");
		return 1;
	}

	/* If we have a valid setup.bin, we will use that for entry (x86) */
	if (images.os.arch == IH_ARCH_I386 ||
	    images.os.arch == IH_ARCH_X86_64) {
		ulong len;

		ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
		if (ret < 0 && ret != -ENOENT) {
			puts("Could not find a valid setup.bin for x86\n");
			return 1;
		}
		/* Kernel entry point is the setup.bin */
	} else if (images.legacy_hdr_valid) {
		images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if IMAGE_ENABLE_FIT
	} else if (images.fit_uname_os) {
		int ret;

		ret = fit_image_get_entry(images.fit_hdr_os,
					  images.fit_noffset_os, &images.ep);
		if (ret) {
			puts("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else if (!ep_found) {
		puts("Could not find kernel entry point!\n");
		return 1;
	}

	if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
		if (CONFIG_IS_ENABLED(CMD_BOOTI) &&
		    images.os.arch == IH_ARCH_ARM64) {
			ulong image_addr;
			ulong image_size;

			ret = booti_setup(images.os.image_start, &image_addr,
					  &image_size, true);
			if (ret != 0)
				return 1;

			images.os.type = IH_TYPE_KERNEL;
			images.os.load = image_addr;
			images.ep = image_addr;
		} else {
			images.os.load = images.os.image_start;
			images.ep += images.os.image_start;
		}
	}

	images.os.start = map_to_sysmem(os_hdr);

	return 0;
}
示例#7
0
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	void		*os_hdr;
	int		ret;
#if defined(CONFIG_ANDROID_IMG)
	void	*temp_os_hdr = NULL;
	boot_img_hdr *temp_android_hdr = NULL;
#endif

	memset ((void *)&images, 0, sizeof (images));
	images.verify = getenv_yesno ("verify");

	bootm_start_lmb();

	/* get kernel image header, start address and length */
	os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
			&images, &images.os.image_start, &images.os.image_len);
	if (images.os.image_len == 0) {
		puts ("ERROR: can't get kernel image!\n");
		return 1;
	}

	/* get image parameters */
	switch (genimg_get_format (os_hdr)) {
	case IMAGE_FORMAT_LEGACY:
		images.os.type = image_get_type (os_hdr);
		images.os.comp = image_get_comp (os_hdr);
		images.os.os = image_get_os (os_hdr);

		images.os.end = image_get_image_end (os_hdr);
		images.os.load = image_get_load (os_hdr);
		break;
#if defined(CONFIG_FIT)
	case IMAGE_FORMAT_FIT:
		if (fit_image_get_type (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.type)) {
			puts ("Can't get image type!\n");
			show_boot_progress (-109);
			return 1;
		}

		if (fit_image_get_comp (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.comp)) {
			puts ("Can't get image compression!\n");
			show_boot_progress (-110);
			return 1;
		}

		if (fit_image_get_os (images.fit_hdr_os,
					images.fit_noffset_os, &images.os.os)) {
			puts ("Can't get image OS!\n");
			show_boot_progress (-111);
			return 1;
		}

		images.os.end = fit_get_end (images.fit_hdr_os);

		if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
					&images.os.load)) {
			puts ("Can't get image load address!\n");
			show_boot_progress (-112);
			return 1;
		}
		break;
#endif
#if defined(CONFIG_ANDROID_IMG)
	case IMAGE_FORMAT_ANDROID:
		temp_os_hdr = os_hdr + 0x800;//shift 0x800 Android format head
		temp_android_hdr = (void *) os_hdr;
		images.os.type = image_get_type (temp_os_hdr);
		images.os.comp = image_get_comp (temp_os_hdr);
		images.os.os = image_get_os (temp_os_hdr);

		images.os.end = image_get_image_end (temp_os_hdr);
		images.os.load = image_get_load (temp_os_hdr);
		images.rd_start = ((ulong)temp_android_hdr->kernel_size + 0x800 + (ulong)os_hdr 
			+  ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
		images.rd_end = images.rd_start + (ulong)temp_android_hdr->ramdisk_size;
		printf("    Ramdisk start addr = 0x%x, len = 0x%x\n",images.rd_start,temp_android_hdr->ramdisk_size );
#if defined(CONFIG_OF_LIBFDT)
		if(images.ft_len = (ulong)temp_android_hdr->second_size)
		{
			fdt_addr = (images.rd_end
				+ ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
			/*get_multi_dt_entry, compatible with single dt*/
			fdt_addr = get_multi_dt_entry(fdt_addr);
			images.ft_addr = (char *)fdt_addr;
			images.ft_len = fdt_totalsize(fdt_addr);
			printf("    Flat device tree start addr = 0x%x, len = 0x%x magic=0x%x\n",
			(int *)images.ft_addr,images.ft_len,*(unsigned int*)images.ft_addr);
		}
#endif
		break;
#endif
	default:
		puts ("ERROR: unknown image format type!\n");
		return 1;
	}

	/* find kernel entry point */
	if (images.legacy_hdr_valid) {
		images.ep = image_get_ep (&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
	} else if (images.fit_uname_os) {
		ret = fit_image_get_entry (images.fit_hdr_os,
				images.fit_noffset_os, &images.ep);
		if (ret) {
			puts ("Can't get entry point property!\n");
			return 1;
		}
#endif
	} else {
		puts ("Could not find kernel entry point!\n");
		return 1;
	}

	if (((images.os.type == IH_TYPE_KERNEL) ||
	     (images.os.type == IH_TYPE_MULTI)) &&
	    (images.os.os == IH_OS_LINUX)) {
		/* find ramdisk */
#ifndef CONFIG_ANDROID_IMG
#if defined(CONFIG_AML_MESON_FIT)
		//call boot_get_ramdisk() here for get ramdisk start addr
		boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
						&images.rd_start, &images.rd_end);
#endif
#endif

#if defined(CONFIG_ANDROID_IMG)
		if(!images.rd_start)
#endif
		{
			ret = boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
					&images.rd_start, &images.rd_end);
			if (ret) {
				puts ("Ramdisk image is corrupt or invalid\n");
				return 1;
			}
		}

#if defined(CONFIG_OF_LIBFDT)
		/* find flattened device tree */
#if defined(CONFIG_ANDROID_IMG)
		if(!images.ft_addr)
#endif
		{
			ret = boot_get_fdt (flag, argc, argv, &images,
					    &images.ft_addr, &images.ft_len);
			if (ret) {
				puts ("Could not find a valid device tree\n");
				return 1;
			}
		}

		set_working_fdt_addr(images.ft_addr);
#endif
	}

#if defined(CONFIG_ANDROID_IMG)
	images.os.start = (ulong)temp_os_hdr;
#else
	images.os.start = (ulong)os_hdr;
#endif
	
	images.state = BOOTM_STATE_START;

	return 0;
}