/* * (C) Copyright 2014 * NVIDIA Corporation * * Copyright 2014 Red Hat, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H #define _CONFIG_CMD_DISTRO_BOOTCMD_H /* * A note on error handling: It is possible for BOOT_TARGET_DEVICES to * reference a device that is not enabled in the U-Boot configuration, e.g. * it may include MMC in the list without CONFIG_CMD_MMC being enabled. Given * that BOOT_TARGET_DEVICES is a macro that's expanded by the C pre-processor * at compile time, it's not possible to detect and report such problems via * a simple #ifdef/#error combination. Still, the code needs to report errors. * The best way I've found to do this is to make BOOT_TARGET_DEVICES expand to * reference a non-existent symbol, and have the name of that symbol encode * the error message. Consequently, this file contains references to e.g. * BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC. Given the * prevalence of capitals here, this looks like a pre-processor macro and * hence seems like it should be all capitals, but it's really an error * message that includes some other pre-processor symbols in the text. */ /* We need the part command */ #define CONFIG_PARTITION_UUIDS #define CONFIG_CMD_PART #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \ "if " #devtypel " dev ${devnum}; then " \ "setenv devtype " #devtypel "; " \ "run scan_dev_for_boot_part; " \ "fi\0" #define BOOTENV_SHARED_BLKDEV(devtypel) \ #devtypel "_boot=" \ BOOTENV_SHARED_BLKDEV_BODY(devtypel) #define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \ "bootcmd_" #devtypel #instance "=" \ "setenv devnum " #instance "; " \ "run " #devtypel "_boot\0" #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \ #devtypel #instance " " #ifdef CONFIG_SANDBOX #define BOOTENV_SHARED_HOST BOOTENV_SHARED_BLKDEV(host) #define BOOTENV_DEV_HOST BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_HOST BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_SHARED_HOST #define BOOTENV_DEV_HOST \ BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX #define BOOTENV_DEV_NAME_HOST \ BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX #endif #ifdef CONFIG_CMD_MMC #define BOOTENV_SHARED_MMC BOOTENV_SHARED_BLKDEV(mmc) #define BOOTENV_DEV_MMC BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_MMC BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_SHARED_MMC #define BOOTENV_DEV_MMC \ BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC #define BOOTENV_DEV_NAME_MMC \ BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC #endif #ifdef CONFIG_CMD_UBIFS #define BOOTENV_SHARED_UBIFS \ "ubifs_boot=" \ "if ubi part UBI && ubifsmount ubi${devnum}:boot; then " \ "setenv devtype ubi; " \ "setenv bootpart 0; " \ "run scan_dev_for_boot; " \ "fi\0" #define BOOTENV_DEV_UBIFS BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_UBIFS BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_SHARED_UBIFS #define BOOTENV_DEV_UBIFS \ BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS #define BOOTENV_DEV_NAME_UBIFS \ BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS #endif #ifdef CONFIG_EFI_LOADER #if defined(CONFIG_ARM64) #define BOOTEFI_NAME "bootaa64.efi" #elif defined(CONFIG_ARM) #define BOOTEFI_NAME "bootarm.efi" #endif #endif #ifdef BOOTEFI_NAME #if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) /* * On 32bit ARM systems there is a reasonable number of systems that follow * the $soc-$board$boardver.dtb name scheme for their device trees. Use that * scheme if we don't have an explicit fdtfile variable. */ #define BOOTENV_EFI_SET_FDTFILE_FALLBACK \ "if test -z \"${fdtfile}\" -a -n \"${soc}\"; then " \ "setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; " \ "fi; " #else #define BOOTENV_EFI_SET_FDTFILE_FALLBACK #endif #define BOOTENV_SHARED_EFI \ "boot_efi_binary=" \ "load ${devtype} ${devnum}:${distro_bootpart} " \ "${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; " \ "if fdt addr ${fdt_addr_r}; then " \ "bootefi ${kernel_addr_r} ${fdt_addr_r};" \ "else" \ "bootefi ${kernel_addr_r} ${fdtcontroladdr};" \ "fi\0" \ \ "load_efi_dtb=" \ "load ${devtype} ${devnum}:${distro_bootpart} " \ "${fdt_addr_r} ${prefix}${efi_fdtfile}\0" \ \ "efi_dtb_prefixes=/ /dtb/ /dtb/current/\0" \ "scan_dev_for_efi=" \ "setenv efi_fdtfile ${fdtfile}; " \ BOOTENV_EFI_SET_FDTFILE_FALLBACK \ "for prefix in ${efi_dtb_prefixes}; do " \ "if test -e ${devtype} " \ "${devnum}:${distro_bootpart} " \ "${prefix}${efi_fdtfile}; then " \ "run load_efi_dtb; " \ "fi;" \ "done;" \ "if test -e ${devtype} ${devnum}:${distro_bootpart} " \ "efi/boot/"BOOTEFI_NAME"; then " \ "echo Found EFI removable media binary " \ "efi/boot/"BOOTEFI_NAME"; " \ "run boot_efi_binary; " \ "echo EFI LOAD FAILED: continuing...; " \ "fi; " \ "setenv efi_fdtfile\0" #define SCAN_DEV_FOR_EFI "run scan_dev_for_efi;" #else #define BOOTENV_SHARED_EFI #define SCAN_DEV_FOR_EFI #endif #ifdef CONFIG_CMD_SATA #define BOOTENV_SHARED_SATA BOOTENV_SHARED_BLKDEV(sata) #define BOOTENV_DEV_SATA BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_SATA BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_SHARED_SATA #define BOOTENV_DEV_SATA \ BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA #define BOOTENV_DEV_NAME_SATA \ BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA #endif #ifdef CONFIG_CMD_SCSI #define BOOTENV_RUN_SCSI_INIT "run scsi_init; " #define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; " #define BOOTENV_SHARED_SCSI \ "scsi_init=" \ "if ${scsi_need_init}; then " \ "setenv scsi_need_init false; " \ "scsi scan; " \ "fi\0" \ \ "scsi_boot=" \ BOOTENV_RUN_SCSI_INIT \ BOOTENV_SHARED_BLKDEV_BODY(scsi) #define BOOTENV_DEV_SCSI BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_SCSI BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_RUN_SCSI_INIT #define BOOTENV_SET_SCSI_NEED_INIT #define BOOTENV_SHARED_SCSI #define BOOTENV_DEV_SCSI \ BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI #define BOOTENV_DEV_NAME_SCSI \ BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI #endif #ifdef CONFIG_CMD_IDE #define BOOTENV_SHARED_IDE BOOTENV_SHARED_BLKDEV(ide) #define BOOTENV_DEV_IDE BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_IDE BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_SHARED_IDE #define BOOTENV_DEV_IDE \ BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE #define BOOTENV_DEV_NAME_IDE \ BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE #endif #if defined(CONFIG_CMD_PCI_ENUM) || defined(CONFIG_DM_PCI) #define BOOTENV_RUN_NET_PCI_ENUM "run boot_net_pci_enum; " #define BOOTENV_SHARED_PCI \ "boot_net_pci_enum=pci enum\0" #else #define BOOTENV_RUN_NET_PCI_ENUM #define BOOTENV_SHARED_PCI #endif #ifdef CONFIG_CMD_USB #define BOOTENV_RUN_NET_USB_START "run boot_net_usb_start; " #define BOOTENV_SHARED_USB \ "boot_net_usb_start=usb start\0" \ "usb_boot=" \ "usb start; " \ BOOTENV_SHARED_BLKDEV_BODY(usb) #define BOOTENV_DEV_USB BOOTENV_DEV_BLKDEV #define BOOTENV_DEV_NAME_USB BOOTENV_DEV_NAME_BLKDEV #else #define BOOTENV_RUN_NET_USB_START #define BOOTENV_SHARED_USB #define BOOTENV_DEV_USB \ BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB #define BOOTENV_DEV_NAME_USB \ BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB #endif #if defined(CONFIG_CMD_DHCP) #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \ "bootcmd_dhcp=" \ BOOTENV_RUN_NET_USB_START \ BOOTENV_RUN_NET_PCI_ENUM \ "if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \ "source ${scriptaddr}; " \ "fi\0" #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \ "dhcp " #else #define BOOTENV_DEV_DHCP \ BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP #define BOOTENV_DEV_NAME_DHCP \ BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP #endif #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE) #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \ "bootcmd_pxe=" \ BOOTENV_RUN_NET_USB_START \ BOOTENV_RUN_NET_PCI_ENUM \ "dhcp; " \ "if pxe get; then " \ "pxe boot; " \ "fi\0" #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \ "pxe " #else #define BOOTENV_DEV_PXE \ BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE #define BOOTENV_DEV_NAME_PXE \ BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE #endif #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \ BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance) #define BOOTENV_BOOT_TARGETS \ "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0" #define BOOTENV_DEV(devtypeu, devtypel, instance) \ BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance) #define BOOTENV \ BOOTENV_SHARED_HOST \ BOOTENV_SHARED_MMC \ BOOTENV_SHARED_PCI \ BOOTENV_SHARED_USB \ BOOTENV_SHARED_SATA \ BOOTENV_SHARED_SCSI \ BOOTENV_SHARED_IDE \ BOOTENV_SHARED_UBIFS \ BOOTENV_SHARED_EFI \ "boot_prefixes=/ /boot/\0" \ "boot_scripts=boot.scr.uimg boot.scr\0" \ "boot_script_dhcp=boot.scr.uimg\0" \ BOOTENV_BOOT_TARGETS \ \ "boot_extlinux=" \ "sysboot ${devtype} ${devnum}:${distro_bootpart} any " \ "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \ \ "scan_dev_for_extlinux=" \ "if test -e ${devtype} " \ "${devnum}:${distro_bootpart} " \ "${prefix}extlinux/extlinux.conf; then " \ "echo Found ${prefix}extlinux/extlinux.conf; " \ "run boot_extlinux; " \ "echo SCRIPT FAILED: continuing...; " \ "fi\0" \ \ "boot_a_script=" \ "load ${devtype} ${devnum}:${distro_bootpart} " \ "${scriptaddr} ${prefix}${script}; " \ "source ${scriptaddr}\0" \ \ "scan_dev_for_scripts=" \ "for script in ${boot_scripts}; do " \ "if test -e ${devtype} " \ "${devnum}:${distro_bootpart} " \ "${prefix}${script}; then " \ "echo Found U-Boot script " \ "${prefix}${script}; " \ "run boot_a_script; " \ "echo SCRIPT FAILED: continuing...; " \ "fi; " \ "done\0" \ \ "scan_dev_for_boot=" \ "echo Scanning ${devtype} " \ "${devnum}:${distro_bootpart}...; " \ "for prefix in ${boot_prefixes}; do " \ "run scan_dev_for_extlinux; " \ "run scan_dev_for_scripts; " \ "done;" \ SCAN_DEV_FOR_EFI \ "\0" \ \ "scan_dev_for_boot_part=" \ "part list ${devtype} ${devnum} -bootable devplist; " \ "env exists devplist || setenv devplist 1; " \ "for distro_bootpart in ${devplist}; do " \ "if fstype ${devtype} " \ "${devnum}:${distro_bootpart} " \ "bootfstype; then " \ "run scan_dev_for_boot; " \ "fi; " \ "done\0" \ \ BOOT_TARGET_DEVICES(BOOTENV_DEV) \ \ "distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT \ "for target in ${boot_targets}; do " \ "run bootcmd_${target}; " \ "done\0" #ifndef CONFIG_BOOTCOMMAND #define CONFIG_BOOTCOMMAND "run distro_bootcmd" #endif #endif /* _CONFIG_CMD_DISTRO_BOOTCMD_H */