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420 lines
16 KiB
420 lines
16 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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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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#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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#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_UBIFS |
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#define BOOTENV_SHARED_UBIFS \ |
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"ubifs_boot=" \ |
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"env exists bootubipart || " \ |
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"env set bootubipart UBI; " \ |
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"env exists bootubivol || " \ |
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"env set bootubivol boot; " \ |
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"if ubi part ${bootubipart} && " \ |
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"ubifsmount ubi${devnum}:${bootubivol}; " \ |
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"then " \ |
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"setenv devtype ubi; " \ |
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"run scan_dev_for_boot; " \ |
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"fi\0" |
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#define BOOTENV_DEV_UBIFS BOOTENV_DEV_BLKDEV |
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#define BOOTENV_DEV_NAME_UBIFS BOOTENV_DEV_NAME_BLKDEV |
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#else |
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#define BOOTENV_SHARED_UBIFS |
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#define BOOTENV_DEV_UBIFS \ |
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BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS |
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#define BOOTENV_DEV_NAME_UBIFS \ |
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BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS |
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#endif |
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#ifdef CONFIG_EFI_LOADER |
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#if defined(CONFIG_ARM64) |
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#define BOOTEFI_NAME "bootaa64.efi" |
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#elif defined(CONFIG_ARM) |
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#define BOOTEFI_NAME "bootarm.efi" |
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#elif defined(CONFIG_X86_RUN_32BIT) |
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#define BOOTEFI_NAME "bootia32.efi" |
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#elif defined(CONFIG_X86_RUN_64BIT) |
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#define BOOTEFI_NAME "bootx64.efi" |
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#elif defined(CONFIG_CPU_RISCV_32) |
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#define BOOTEFI_NAME "bootriscv32.efi" |
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#elif defined(CONFIG_CPU_RISCV_64) |
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#define BOOTEFI_NAME "bootriscv64.efi" |
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#endif |
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#endif |
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#ifdef BOOTEFI_NAME |
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#if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) |
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/* |
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* On 32bit ARM systems there is a reasonable number of systems that follow |
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* the $soc-$board$boardver.dtb name scheme for their device trees. Use that |
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* scheme if we don't have an explicit fdtfile variable. |
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*/ |
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#define BOOTENV_EFI_SET_FDTFILE_FALLBACK \ |
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"if test -z \"${fdtfile}\" -a -n \"${soc}\"; then " \ |
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"setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; " \ |
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"fi; " |
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#else |
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#define BOOTENV_EFI_SET_FDTFILE_FALLBACK |
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#endif |
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#define BOOTENV_SHARED_EFI \ |
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"boot_efi_binary=" \ |
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"if fdt addr ${fdt_addr_r}; then " \ |
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"bootefi bootmgr ${fdt_addr_r};" \ |
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"else " \ |
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"bootefi bootmgr ${fdtcontroladdr};" \ |
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"fi;" \ |
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"load ${devtype} ${devnum}:${distro_bootpart} " \ |
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"${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; " \ |
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"if fdt addr ${fdt_addr_r}; then " \ |
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"bootefi ${kernel_addr_r} ${fdt_addr_r};" \ |
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"else " \ |
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"bootefi ${kernel_addr_r} ${fdtcontroladdr};" \ |
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"fi\0" \ |
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\ |
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"load_efi_dtb=" \ |
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"load ${devtype} ${devnum}:${distro_bootpart} " \ |
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"${fdt_addr_r} ${prefix}${efi_fdtfile}\0" \ |
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\ |
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"efi_dtb_prefixes=/ /dtb/ /dtb/current/\0" \ |
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"scan_dev_for_efi=" \ |
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"setenv efi_fdtfile ${fdtfile}; " \ |
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BOOTENV_EFI_SET_FDTFILE_FALLBACK \ |
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"for prefix in ${efi_dtb_prefixes}; do " \ |
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"if test -e ${devtype} " \ |
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"${devnum}:${distro_bootpart} " \ |
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"${prefix}${efi_fdtfile}; then " \ |
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"run load_efi_dtb; " \ |
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"fi;" \ |
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"done;" \ |
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"if test -e ${devtype} ${devnum}:${distro_bootpart} " \ |
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"efi/boot/"BOOTEFI_NAME"; then " \ |
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"echo Found EFI removable media binary " \ |
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"efi/boot/"BOOTEFI_NAME"; " \ |
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"run boot_efi_binary; " \ |
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"echo EFI LOAD FAILED: continuing...; " \ |
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"fi; " \ |
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"setenv efi_fdtfile\0" |
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#define SCAN_DEV_FOR_EFI "run scan_dev_for_efi;" |
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#else |
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#define BOOTENV_SHARED_EFI |
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#define SCAN_DEV_FOR_EFI |
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#endif |
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#ifdef CONFIG_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_SATA |
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#define BOOTENV_DEV_NAME_SATA \ |
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BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_SATA |
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#endif |
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#ifdef CONFIG_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_SCSI |
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#define BOOTENV_DEV_NAME_SCSI \ |
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BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_SCSI |
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#endif |
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#ifdef CONFIG_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_IDE |
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#define BOOTENV_DEV_NAME_IDE \ |
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BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_IDE |
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#endif |
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#if defined(CONFIG_DM_PCI) |
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#define BOOTENV_RUN_NET_PCI_ENUM "run boot_net_pci_enum; " |
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#define BOOTENV_SHARED_PCI \ |
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"boot_net_pci_enum=pci enum\0" |
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#else |
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#define BOOTENV_RUN_NET_PCI_ENUM |
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#define BOOTENV_SHARED_PCI |
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#endif |
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#ifdef CONFIG_CMD_USB |
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#define BOOTENV_RUN_NET_USB_START "run boot_net_usb_start; " |
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#define BOOTENV_SHARED_USB \ |
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"boot_net_usb_start=usb start\0" \ |
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"usb_boot=" \ |
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"usb start; " \ |
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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_NET_USB_START |
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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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#if defined(CONFIG_EFI_LOADER) |
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/* http://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml */ |
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#if defined(CONFIG_ARM64) || defined(__aarch64__) |
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#define BOOTENV_EFI_PXE_ARCH "0xb" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00011:UNDI:003000" |
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#elif defined(CONFIG_ARM) || defined(__arm__) |
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#define BOOTENV_EFI_PXE_ARCH "0xa" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00010:UNDI:003000" |
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#elif defined(CONFIG_X86) || defined(__x86_64__) |
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#define BOOTENV_EFI_PXE_ARCH "0x7" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00007:UNDI:003000" |
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#elif defined(__i386__) |
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#define BOOTENV_EFI_PXE_ARCH "0x6" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00006:UNDI:003000" |
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#elif defined(CONFIG_CPU_RISCV_32) || ((defined(__riscv) && __riscv_xlen == 32)) |
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#define BOOTENV_EFI_PXE_ARCH "0x19" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00025:UNDI:003000" |
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#elif defined(CONFIG_CPU_RISCV_64) || ((defined(__riscv) && __riscv_xlen == 64)) |
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#define BOOTENV_EFI_PXE_ARCH "0x1b" |
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#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00027:UNDI:003000" |
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#elif defined(CONFIG_SANDBOX) |
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# error "sandbox EFI support is only supported on ARM and x86" |
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#else |
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#error Please specify an EFI client identifier |
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#endif |
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/* |
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* Ask the dhcp server for an EFI binary. If we get one, check for a |
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* device tree in the same folder. Then boot everything. If the file was |
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* not an EFI binary, we just return from the bootefi command and continue. |
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*/ |
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#define BOOTENV_EFI_RUN_DHCP \ |
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"setenv efi_fdtfile ${fdtfile}; " \ |
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BOOTENV_EFI_SET_FDTFILE_FALLBACK \ |
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"setenv efi_old_vci ${bootp_vci};" \ |
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"setenv efi_old_arch ${bootp_arch};" \ |
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"setenv bootp_vci " BOOTENV_EFI_PXE_VCI ";" \ |
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"setenv bootp_arch " BOOTENV_EFI_PXE_ARCH ";" \ |
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"if dhcp ${kernel_addr_r}; then " \ |
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"tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};" \ |
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"if fdt addr ${fdt_addr_r}; then " \ |
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"bootefi ${kernel_addr_r} ${fdt_addr_r}; " \ |
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"else " \ |
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"bootefi ${kernel_addr_r} ${fdtcontroladdr};" \ |
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"fi;" \ |
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"fi;" \ |
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"setenv bootp_vci ${efi_old_vci};" \ |
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"setenv bootp_arch ${efi_old_arch};" \ |
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"setenv efi_fdtfile;" \ |
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"setenv efi_old_arch;" \ |
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"setenv efi_old_vci;" |
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#else |
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#define BOOTENV_EFI_RUN_DHCP |
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#endif |
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#define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \ |
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"bootcmd_dhcp=" \ |
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BOOTENV_RUN_NET_USB_START \ |
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BOOTENV_RUN_NET_PCI_ENUM \ |
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"if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \ |
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"source ${scriptaddr}; " \ |
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"fi;" \ |
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BOOTENV_EFI_RUN_DHCP \ |
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"\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_NET_USB_START \ |
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BOOTENV_RUN_NET_PCI_ENUM \ |
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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_PCI \ |
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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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BOOTENV_SHARED_UBIFS \ |
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BOOTENV_SHARED_EFI \ |
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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} ${devnum}:${distro_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 ${devtype} " \ |
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"${devnum}:${distro_bootpart} " \ |
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"${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} ${devnum}:${distro_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 ${devtype} " \ |
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"${devnum}:${distro_bootpart} " \ |
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"${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 ${devtype} " \ |
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"${devnum}:${distro_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;" \ |
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SCAN_DEV_FOR_EFI \ |
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"\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 distro_bootpart in ${devplist}; do " \ |
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"if fstype ${devtype} " \ |
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"${devnum}:${distro_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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