include/config_distro_bootcmd.h - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2014
  * NVIDIA Corporation <www.nvidia.com>
  *
  * 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_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

 #ifdef CONFIG_CMD_USB
 #define BOOTENV_RUN_USB_INIT "usb start; "
 #define BOOTENV_SHARED_USB \
 	"usb_boot=" \
 		BOOTENV_RUN_USB_INIT \
 		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_USB_INIT
 #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_USB_INIT \
 		"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_USB_INIT \
 		"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_USB \
 	BOOTENV_SHARED_SATA \
 	BOOTENV_SHARED_SCSI \
 	BOOTENV_SHARED_IDE \
 	"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} ${devnum}:${bootpart} any "           \
 			"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
 	\
 	"scan_dev_for_extlinux="                                          \
 		"if test -e ${devtype} ${devnum}:${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} ${devnum}:${bootpart} "                  \
 			"${scriptaddr} ${prefix}${script}; "              \
 		"source ${scriptaddr}\0"                                  \
 	\
 	"scan_dev_for_scripts="                                           \
 		"for script in ${boot_scripts}; do "                      \
 			"if test -e ${devtype} ${devnum}:${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} ${devnum}:${bootpart}...; "     \
 		"for prefix in ${boot_prefixes}; do "                     \
 			"run scan_dev_for_extlinux; "                     \
 			"run scan_dev_for_scripts; "                      \
 		"done\0"                                                  \
 	\
 	"scan_dev_for_boot_part="                                         \
 		"part list ${devtype} ${devnum} -bootable devplist; "     \
 		"env exists devplist || setenv devplist 1; "              \
 		"for bootpart in ${devplist}; do "                        \
 			"if fstype ${devtype} ${devnum}:${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 */
	/*
	* (C) Copyright 2014
	* NVIDIA Corporation <www.nvidia.com>
	*
	* 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_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

	#ifdef CONFIG_CMD_USB
	#define BOOTENV_RUN_USB_INIT "usb start; "
	#define BOOTENV_SHARED_USB \
	"usb_boot=" \
	BOOTENV_RUN_USB_INIT \
	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_USB_INIT
	#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_USB_INIT \
	"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_USB_INIT \
	"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_USB \
	BOOTENV_SHARED_SATA \
	BOOTENV_SHARED_SCSI \
	BOOTENV_SHARED_IDE \
	"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} ${devnum}:${bootpart} any " \
	"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
	\
	"scan_dev_for_extlinux=" \
	"if test -e ${devtype} ${devnum}:${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} ${devnum}:${bootpart} " \
	"${scriptaddr} ${prefix}${script}; " \
	"source ${scriptaddr}\0" \
	\
	"scan_dev_for_scripts=" \
	"for script in ${boot_scripts}; do " \
	"if test -e ${devtype} ${devnum}:${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} ${devnum}:${bootpart}...; " \
	"for prefix in ${boot_prefixes}; do " \
	"run scan_dev_for_extlinux; " \
	"run scan_dev_for_scripts; " \
	"done\0" \
	\
	"scan_dev_for_boot_part=" \
	"part list ${devtype} ${devnum} -bootable devplist; " \
	"env exists devplist \|\| setenv devplist 1; " \
	"for bootpart in ${devplist}; do " \
	"if fstype ${devtype} ${devnum}:${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 */