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d0bce0d1cb
Define the common shared block environment for the host interface in preperation for the sandbox build to use config_distro_bootcmd. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Stephen Warren <swarren@nvidia.com>
250 lines
8.7 KiB
C
250 lines
8.7 KiB
C
/*
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* (C) Copyright 2014
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* NVIDIA Corporation <www.nvidia.com>
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*
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* Copyright 2014 Red Hat, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
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#define _CONFIG_CMD_DISTRO_BOOTCMD_H
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/*
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* A note on error handling: It is possible for BOOT_TARGET_DEVICES to
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* reference a device that is not enabled in the U-Boot configuration, e.g.
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* it may include MMC in the list without CONFIG_CMD_MMC being enabled. Given
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* that BOOT_TARGET_DEVICES is a macro that's expanded by the C pre-processor
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* at compile time, it's not possible to detect and report such problems via
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* a simple #ifdef/#error combination. Still, the code needs to report errors.
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* The best way I've found to do this is to make BOOT_TARGET_DEVICES expand to
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* reference a non-existent symbol, and have the name of that symbol encode
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* the error message. Consequently, this file contains references to e.g.
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* BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC. Given the
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* prevalence of capitals here, this looks like a pre-processor macro and
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* hence seems like it should be all capitals, but it's really an error
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* message that includes some other pre-processor symbols in the text.
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*/
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/* We need the part command */
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#define CONFIG_PARTITION_UUIDS
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#define CONFIG_CMD_PART
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#define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
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"if " #devtypel " dev ${devnum}; then " \
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"setenv devtype " #devtypel "; " \
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"run scan_dev_for_boot_part; " \
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"fi\0"
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#define BOOTENV_SHARED_BLKDEV(devtypel) \
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#devtypel "_boot=" \
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BOOTENV_SHARED_BLKDEV_BODY(devtypel)
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#define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
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"bootcmd_" #devtypel #instance "=" \
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"setenv devnum " #instance "; " \
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"run " #devtypel "_boot\0"
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#define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
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#devtypel #instance " "
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#ifdef CONFIG_SANDBOX
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#define BOOTENV_SHARED_HOST BOOTENV_SHARED_BLKDEV(host)
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#define BOOTENV_DEV_HOST BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_HOST BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_HOST
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#define BOOTENV_DEV_HOST \
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BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
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#define BOOTENV_DEV_NAME_HOST \
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BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
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#endif
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#ifdef CONFIG_CMD_MMC
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#define BOOTENV_SHARED_MMC BOOTENV_SHARED_BLKDEV(mmc)
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#define BOOTENV_DEV_MMC BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_MMC BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_MMC
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#define BOOTENV_DEV_MMC \
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BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
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#define BOOTENV_DEV_NAME_MMC \
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BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
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#endif
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#ifdef CONFIG_CMD_SATA
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#define BOOTENV_SHARED_SATA BOOTENV_SHARED_BLKDEV(sata)
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#define BOOTENV_DEV_SATA BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_SATA BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_SATA
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#define BOOTENV_DEV_SATA \
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BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
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#define BOOTENV_DEV_NAME_SATA \
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BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
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#endif
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#ifdef CONFIG_CMD_SCSI
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#define BOOTENV_RUN_SCSI_INIT "run scsi_init; "
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#define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; "
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#define BOOTENV_SHARED_SCSI \
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"scsi_init=" \
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"if ${scsi_need_init}; then " \
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"setenv scsi_need_init false; " \
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"scsi scan; " \
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"fi\0" \
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\
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"scsi_boot=" \
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BOOTENV_RUN_SCSI_INIT \
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BOOTENV_SHARED_BLKDEV_BODY(scsi)
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#define BOOTENV_DEV_SCSI BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_SCSI BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_RUN_SCSI_INIT
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#define BOOTENV_SET_SCSI_NEED_INIT
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#define BOOTENV_SHARED_SCSI
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#define BOOTENV_DEV_SCSI \
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BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
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#define BOOTENV_DEV_NAME_SCSI \
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BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
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#endif
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#ifdef CONFIG_CMD_IDE
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#define BOOTENV_SHARED_IDE BOOTENV_SHARED_BLKDEV(ide)
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#define BOOTENV_DEV_IDE BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_IDE BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_SHARED_IDE
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#define BOOTENV_DEV_IDE \
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BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
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#define BOOTENV_DEV_NAME_IDE \
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BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
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#endif
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#ifdef CONFIG_CMD_USB
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#define BOOTENV_RUN_USB_INIT "usb start; "
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#define BOOTENV_SHARED_USB \
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"usb_boot=" \
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BOOTENV_RUN_USB_INIT \
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BOOTENV_SHARED_BLKDEV_BODY(usb)
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#define BOOTENV_DEV_USB BOOTENV_DEV_BLKDEV
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#define BOOTENV_DEV_NAME_USB BOOTENV_DEV_NAME_BLKDEV
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#else
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#define BOOTENV_RUN_USB_INIT
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#define BOOTENV_SHARED_USB
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#define BOOTENV_DEV_USB \
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BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
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#define BOOTENV_DEV_NAME_USB \
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BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
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#endif
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#if defined(CONFIG_CMD_DHCP)
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#define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
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"bootcmd_dhcp=" \
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BOOTENV_RUN_USB_INIT \
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"if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
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"source ${scriptaddr}; " \
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"fi\0"
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#define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
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"dhcp "
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#else
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#define BOOTENV_DEV_DHCP \
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BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
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#define BOOTENV_DEV_NAME_DHCP \
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BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
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#endif
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#if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
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#define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
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"bootcmd_pxe=" \
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BOOTENV_RUN_USB_INIT \
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"dhcp; " \
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"if pxe get; then " \
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"pxe boot; " \
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"fi\0"
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#define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
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"pxe "
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#else
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#define BOOTENV_DEV_PXE \
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BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
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#define BOOTENV_DEV_NAME_PXE \
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BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
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#endif
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#define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
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BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
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#define BOOTENV_BOOT_TARGETS \
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"boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
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#define BOOTENV_DEV(devtypeu, devtypel, instance) \
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BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
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#define BOOTENV \
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BOOTENV_SHARED_HOST \
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BOOTENV_SHARED_MMC \
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BOOTENV_SHARED_USB \
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BOOTENV_SHARED_SATA \
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BOOTENV_SHARED_SCSI \
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BOOTENV_SHARED_IDE \
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"boot_prefixes=/ /boot/\0" \
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"boot_scripts=boot.scr.uimg boot.scr\0" \
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"boot_script_dhcp=boot.scr.uimg\0" \
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BOOTENV_BOOT_TARGETS \
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\
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"boot_extlinux=" \
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"sysboot ${devtype} ${devnum}:${bootpart} any " \
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"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
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\
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"scan_dev_for_extlinux=" \
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"if test -e ${devtype} ${devnum}:${bootpart} " \
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"${prefix}extlinux/extlinux.conf; then " \
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"echo Found ${prefix}extlinux/extlinux.conf; " \
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"run boot_extlinux; " \
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"echo SCRIPT FAILED: continuing...; " \
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"fi\0" \
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\
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"boot_a_script=" \
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"load ${devtype} ${devnum}:${bootpart} " \
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"${scriptaddr} ${prefix}${script}; " \
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"source ${scriptaddr}\0" \
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\
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"scan_dev_for_scripts=" \
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"for script in ${boot_scripts}; do " \
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"if test -e ${devtype} ${devnum}:${bootpart} " \
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"${prefix}${script}; then " \
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"echo Found U-Boot script " \
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"${prefix}${script}; " \
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"run boot_a_script; " \
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"echo SCRIPT FAILED: continuing...; " \
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"fi; " \
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"done\0" \
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\
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"scan_dev_for_boot=" \
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"echo Scanning ${devtype} ${devnum}:${bootpart}...; " \
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"for prefix in ${boot_prefixes}; do " \
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"run scan_dev_for_extlinux; " \
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"run scan_dev_for_scripts; " \
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"done\0" \
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\
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"scan_dev_for_boot_part=" \
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"part list ${devtype} ${devnum} -bootable devplist; " \
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"env exists devplist || setenv devplist 1; " \
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"for bootpart in ${devplist}; do " \
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"if fstype ${devtype} ${devnum}:${bootpart} " \
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"bootfstype; then " \
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"run scan_dev_for_boot; " \
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"fi; " \
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"done\0" \
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\
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BOOT_TARGET_DEVICES(BOOTENV_DEV) \
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\
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"distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT \
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"for target in ${boot_targets}; do " \
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"run bootcmd_${target}; " \
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"done\0"
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#ifndef CONFIG_BOOTCOMMAND
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#define CONFIG_BOOTCOMMAND "run distro_bootcmd"
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#endif
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#endif /* _CONFIG_CMD_DISTRO_BOOTCMD_H */
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