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https://github.com/AsahiLinux/u-boot
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distro_bootcmd: Introduce support for extension command
Try to load required DTB overlays if the board supports extensions and CONFIG_CMD_EXTENSION is enabled. Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
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1 changed files with 32 additions and 0 deletions
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@ -160,11 +160,13 @@
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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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BOOTENV_RUN_EXTENSION_INIT \
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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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BOOTENV_RUN_EXTENSION_APPLY \
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"fi;" \
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"done;" \
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"run boot_efi_bootmgr;" \
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@ -416,6 +418,34 @@
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BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
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#endif
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#if defined(CONFIG_CMD_EXTENSION)
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#define BOOTENV_RUN_EXTENSION_INIT "run extension_init; "
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#define BOOTENV_RUN_EXTENSION_APPLY "run extension_apply; "
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#define BOOTENV_SET_EXTENSION_NEED_INIT \
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"extension_need_init=; " \
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"setenv extension_overlay_addr ${fdtoverlay_addr_r}; "
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#define BOOTENV_SHARED_EXTENSION \
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"extension_init=" \
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"echo Extension init...; " \
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"if ${extension_need_init}; then " \
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"extension_need_init=false; " \
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"extension scan; " \
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"fi\0" \
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\
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"extension_overlay_cmd=" \
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"load ${devtype} ${devnum}:${distro_bootpart} " \
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"${extension_overlay_addr} ${prefix}${extension_overlay_name}\0" \
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"extension_apply=" \
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"if fdt addr -q ${fdt_addr_r}; then " \
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"extension apply all; " \
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"fi\0"
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#else
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#define BOOTENV_RUN_EXTENSION_INIT
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#define BOOTENV_RUN_EXTENSION_APPLY
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#define BOOTENV_SET_EXTENSION_NEED_INIT
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#define BOOTENV_SHARED_EXTENSION
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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, ## __VA_ARGS__)
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#define BOOTENV_BOOT_TARGETS \
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@ -435,6 +465,7 @@
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BOOTENV_SHARED_UBIFS \
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BOOTENV_SHARED_EFI \
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BOOTENV_SHARED_VIRTIO \
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BOOTENV_SHARED_EXTENSION \
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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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@ -499,6 +530,7 @@
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BOOTENV_SET_NVME_NEED_INIT \
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BOOTENV_SET_IDE_NEED_INIT \
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BOOTENV_SET_VIRTIO_NEED_INIT \
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BOOTENV_SET_EXTENSION_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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