C++ (Cpp) boot_from_devices примеры использования

Пример #1

Файл: spl.c Проект: Philippe12/u-boot-sunxi

void board_init_r(gd_t *dummy1, ulong dummy2)
{
	u32 spl_boot_list[] = {
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
	};
	struct spl_image_info spl_image;

	debug(">>spl:board_init_r()\n");

#if defined(CONFIG_SYS_SPL_MALLOC_START)
	mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
			CONFIG_SYS_SPL_MALLOC_SIZE);
	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
#endif
	if (!(gd->flags & GD_FLG_SPL_INIT)) {
		if (spl_init())
			hang();
	}
#ifndef CONFIG_PPC
	/*
	 * timer_init() does not exist on PPC systems. The timer is initialized
	 * and enabled (decrementer) in interrupt_init() here.
	 */
	timer_init();
#endif

#ifdef CONFIG_SPL_BOARD_INIT
	spl_board_init();
#endif

	memset(&spl_image, '\0', sizeof(spl_image));
	board_boot_order(spl_boot_list);

	if (boot_from_devices(&spl_image, spl_boot_list,
			      ARRAY_SIZE(spl_boot_list))) {
		puts("SPL: failed to boot from all boot devices\n");
		hang();
	}

	switch (spl_image.os) {
	case IH_OS_U_BOOT:
		debug("Jumping to U-Boot\n");
		break;
#ifdef CONFIG_SPL_OS_BOOT
	case IH_OS_LINUX:
		debug("Jumping to Linux\n");
		spl_board_prepare_for_linux();
		jump_to_image_linux(&spl_image,
				    (void *)CONFIG_SYS_SPL_ARGS_ADDR);
#endif
	default:
		debug("Unsupported OS image.. Jumping nevertheless..\n");
	}
#if defined(CONFIG_SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
	debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
	      gd->malloc_ptr / 1024);
#endif

	debug("loaded - jumping to U-Boot...\n");
	spl_board_prepare_for_boot();
	jump_to_image_no_args(&spl_image);
}

Пример #2

Файл: spl.c Проект: analogdevicesinc/u-boot-xlnx

void board_init_r(gd_t *dummy1, ulong dummy2)
{
	u32 spl_boot_list[] = {
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
		BOOT_DEVICE_NONE,
	};
	struct spl_image_info spl_image;

	debug(">>spl:board_init_r()\n");

	spl_set_bd();

#ifdef CONFIG_SPL_OS_BOOT
	dram_init_banksize();
#endif

#if defined(CONFIG_SYS_SPL_MALLOC_START)
	mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
			CONFIG_SYS_SPL_MALLOC_SIZE);
	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
#endif
	if (!(gd->flags & GD_FLG_SPL_INIT)) {
		if (spl_init())
			hang();
	}
#if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
	/*
	 * timer_init() does not exist on PPC systems. The timer is initialized
	 * and enabled (decrementer) in interrupt_init() here.
	 */
	timer_init();
#endif

#ifdef CONFIG_SPL_BOARD_INIT
	spl_board_init();
#endif

	memset(&spl_image, '\0', sizeof(spl_image));
#ifdef CONFIG_SYS_SPL_ARGS_ADDR
	spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
#endif
	board_boot_order(spl_boot_list);

	if (boot_from_devices(&spl_image, spl_boot_list,
			      ARRAY_SIZE(spl_boot_list))) {
		puts("SPL: failed to boot from all boot devices\n");
		hang();
	}

#ifdef CONFIG_CPU_V7M
	spl_image.entry_point |= 0x1;
#endif
	switch (spl_image.os) {
	case IH_OS_U_BOOT:
		debug("Jumping to U-Boot\n");
		break;
#if CONFIG_IS_ENABLED(ATF)
	case IH_OS_ARM_TRUSTED_FIRMWARE:
		debug("Jumping to U-Boot via ARM Trusted Firmware\n");
		spl_invoke_atf(&spl_image);
		break;
#endif
#ifdef CONFIG_SPL_OS_BOOT
	case IH_OS_LINUX:
		debug("Jumping to Linux\n");
		spl_fixup_fdt();
		spl_board_prepare_for_linux();
		jump_to_image_linux(&spl_image);
#endif
	default:
		debug("Unsupported OS image.. Jumping nevertheless..\n");
	}
#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
	debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
	      gd->malloc_ptr / 1024);
#endif
#ifdef CONFIG_BOOTSTAGE_STASH
	int ret;

	bootstage_mark_name(BOOTSTAGE_ID_END_SPL, "end_spl");
	ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
			      CONFIG_BOOTSTAGE_STASH_SIZE);
	if (ret)
		debug("Failed to stash bootstage: err=%d\n", ret);
#endif

	debug("loaded - jumping to U-Boot...\n");
	spl_board_prepare_for_boot();
	jump_to_image_no_args(&spl_image);
}