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122 lines
3.3 KiB
Plaintext
122 lines
3.3 KiB
Plaintext
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#!/usr/bin/make -f
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#
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# \brief Tool for creating an MMC image with a platform specific U-Boot setup
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# \author Martin Stein
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# \date 2015-09-30
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#
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#
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# Print help text
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#
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help:
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$(ECHO)
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$(ECHO) "Tool for creating an MMC image with a platform specific U-Boot setup"
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$(ECHO)
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$(ECHO) "usage:"
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$(ECHO)
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$(ECHO) " create_uboot <platform> [BUILD_DIR=<build-dir>]"
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$(ECHO)
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$(ECHO) " <platform> can be:"
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$(ECHO) " 'hw_wand_quad'"
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$(ECHO)
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$(ECHO) " The image will be located at:"
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$(ECHO) " $(UBOOT_BUILD_DIR)<platform>/$(shell basename $(MMC_IMG))"
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$(ECHO)
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PLATFORMS_ARM := hw_wand_quad
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PLATFORMS := $(PLATFORMS_ARM)
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# get targeted platform based on the make target
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PLATFORM := $(firstword $(filter $(PLATFORMS),$(MAKECMDGOALS)))
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# get Genode base directory based on the known location of this tool
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GENODE_DIR := $(realpath $(dir $(firstword $(MAKEFILE_LIST)))/..)
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UBOOT_URL := https://github.com/m-stein/uboot
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UBOOT_DIR := $(GENODE_DIR)/contrib/uboot
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UBOOT_TAG := $(UBOOT_DIR)/.gitignore
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UBOOT_BRANCH := genode_$(PLATFORM)
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UBOOT_BRANCH_TAG := $(UBOOT_DIR)/$(UBOOT_BRANCH)
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UBOOT_BUILD_ROOT := $(UBOOT_DIR)/build
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UBOOT_BUILD_DIR := $(UBOOT_BUILD_ROOT)/$(PLATFORM)
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UBOOT_BUILD_CONF := $(UBOOT_BUILD_DIR)/.config
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MMC_IMG := $(UBOOT_BUILD_DIR)/mmc_img
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MMC_IMG_SIZE := 8M
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SHELL := bash
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VERBOSE := @
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ECHO := @echo -e
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BRIGHT_COL := \033[01;33m
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DEFAULT_COL := \033[0m
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#
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# Determine architecture based on the given platform
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#
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ifeq ($(filter-out $(PLATFORMS_ARM),$(PLATFORM)),)
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ARCH := arm
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endif
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UBOOT_MAKE := \
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$(VERBOSE)make ARCH=$(ARCH) \
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CROSS_COMPILE=/usr/local/genode-gcc/bin/genode-$(ARCH)- \
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O=$(UBOOT_BUILD_DIR) \
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-j4
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#
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# Platform settings
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#
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ifeq ($(PLATFORM), hw_wand_quad)
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UBOOT_IMG := $(UBOOT_BUILD_DIR)/u-boot.img
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UBOOT_IMG_SPL := $(UBOOT_BUILD_DIR)/SPL
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UBOOT_IMGS := $(UBOOT_IMG) $(UBOOT_IMG_SPL)
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UBOOT_CONF := wandboard_config
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FINISH_IMAGE := \
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dd if=$(UBOOT_IMG_SPL) of=$(MMC_IMG) bs=1k seek=1 conv=notrunc,fsync; \
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dd if=$(UBOOT_IMG) of=$(MMC_IMG) bs=1k seek=69 conv=notrunc,fsync;
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endif
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#
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# Generic rules for the creation of the image
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#
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$(PLATFORM): $(MMC_IMG)
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$(MMC_IMG): $(UBOOT_IMGS)
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$(ECHO) "$(BRIGHT_COL)Composing MMC image...$(DEFAULT_COL)"
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$(VERBOSE)dd if=/dev/zero of=$(MMC_IMG) bs=$(MMC_IMG_SIZE) seek=1 count=0
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$(VERBOSE)$(FINISH_IMAGE)
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$(ECHO)
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$(ECHO) "Successfully created MMC image."
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$(ECHO) "You can install the image on an empty MMC for example via:"
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$(ECHO) "sudo dd if=$(MMC_IMG) of=/dev/<YOUR_MMC> conv=fsync"
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$(ECHO)
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$(UBOOT_IMGS): $(UBOOT_BUILD_CONF) $(UBOOT_DIR)
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$(ECHO) "$(BRIGHT_COL)Building U-Boot images...$(DEFAULT_COL)"
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$(UBOOT_MAKE) -C $(UBOOT_BUILD_DIR)
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$(UBOOT_BUILD_CONF): $(UBOOT_BRANCH_TAG)
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$(ECHO) "$(BRIGHT_COL)Building U-Boot config...$(DEFAULT_COL)"
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$(VERBOSE)mkdir -p $(UBOOT_BUILD_DIR)
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$(UBOOT_MAKE) -C $(UBOOT_DIR) $(UBOOT_CONF)
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$(UBOOT_BRANCH_TAG): $(UBOOT_TAG)
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$(VERBOSE)git -C $(UBOOT_DIR) checkout $(UBOOT_BRANCH)
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$(UBOOT_TAG):
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$(ECHO) "$(BRIGHT_COL)Downloading U-Boot sources...$(DEFAULT_COL)"
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$(VERBOSE)git clone $(UBOOT_URL) $(UBOOT_DIR)
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.PHONY: $(PLATFORM)
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#
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# Clean-up rules
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#
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clean:
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rm -rf $(UBOOT_BUILD_ROOT)
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cleanall:
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rm -rf $(UBOOT_DIR)
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