mirror of
https://github.com/linuxboot/linuxboot
synced 2024-11-21 23:59:59 +00:00
157 lines
3.6 KiB
Makefile
157 lines
3.6 KiB
Makefile
#
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# Builds the LinuxBoot firmware image.
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#
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# This requires the vendor firmware image, a Linux kernel and an initrd.cpio.xz file.
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#
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#
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all: linuxboot
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-include .config
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include Makefile.rules
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include Makefile.uefi
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# The config file should set the BOARD variable
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# as well as point to the bzImage and initrd.cpio files
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BOARD ?= qemu
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KERNEL ?= bzImage
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INITRD ?= initrd.cpio.xz
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BUILD := build/$(BOARD)
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# Make sure that we have a board file for the user
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$(shell \
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if [ ! -r boards/$(BOARD)/Makefile.board ]; then \
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echo >&2 "BOARD=$(BOARD) is not valid."; \
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echo >&2 ; \
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echo >&2 "Supported mainboards:"; \
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ls boards/*/Makefile.board | cut -d/ -f2 >&2 ; \
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echo >&2 ; \
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exit 1 ; \
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fi; \
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mkdir -p $(BUILD) ; \
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)
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# Bring in the board specific things
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include boards/$(BOARD)/Makefile.board
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# If they don't define a vendor ROM file
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ROM ?= boards/$(BOARD)/$(BOARD).rom
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ifdef USE_UTK
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include Makefile.utk
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endif
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linuxboot: $(BUILD)/linuxboot.rom
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# Create a .config file based on the current parameters
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config:
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echo '# Generated $(DATE)' > .config
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echo 'BOARD ?= $(BOARD)' >> .config
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echo 'KERNEL ?= $(KERNEL)' >> .config
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echo 'INITRD ?= $(INITRD)' >> .config
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echo 'ROM ?= $(ROM)' >> .config
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# edk2 outputs will be in this deeply nested directory
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EDK2_OUTPUT_DIR := edk2/Build/MdeModule/DEBUG_GCC5/X64
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vendor:
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$(EDK2_OUTPUT_DIR)/DxeCore.efi: edk2/.git
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$(MAKE) -C edk2
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edk2.force: edk2/.git
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$(MAKE) -C edk2 build
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# If the edk2 directory doesn't exist, checkout a shallow branch of it
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# and build the various Dxe/Smm files
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edk2/.git:
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git clone --depth 1 --branch UDK2018 https://github.com/linuxboot/edk2
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$(BUILD)/Linux.ffs: $(KERNEL)
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$(BUILD)/Initrd.ffs: $(INITRD)
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$(BUILD)/%.ffs: $(BUILD)/%.vol
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./bin/create-ffs \
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-o $@ \
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--type FIRMWARE_VOLUME_IMAGE \
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$^
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$(BUILD)/%.ffs: $(EDK2_OUTPUT_DIR)/%.efi
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$(create-ffs)
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$(BUILD)/%.ffs:
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$(create-ffs)
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$(BUILD)/%.rom:
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cat > $@.tmp $^
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@if [ `stat -c"%s" $@.tmp` -ne `stat -c"%s" $(ROM)` ]; then \
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printf >&2 "%s: Wrong output size 0x%x != expected 0x%x\n" \
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$@ `stat -c'%s' $@.tmp` `stat -c'%s' $(ROM)` ; \
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exit 1; \
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fi
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mv $@.tmp $@
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$(BUILD)/%.vol:
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./bin/create-fv \
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-v \
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-o $@ \
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--size $(or $($(basename $(notdir $@))-size),0x400000) \
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--compress $(or $($(basename $(notdir $@))-compress),0) \
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$(filter-out $(BUILD)/$(BOARD).txt,$^)
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create-ffs = \
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./bin/create-ffs \
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-o $@ \
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--name $(basename $(notdir $@)) \
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--version 1.0 \
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--type $(or $($(basename $(notdir $@))-type),DRIVER) \
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--depex "$($(basename $(notdir $@))-depex)" \
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--guid "$($(basename $(notdir $@))-guid)" \
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$^
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#
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# Extract all of the firmware files from the vendor provided ROM
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# --repack \
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#
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$(BUILD)/$(BOARD).txt: $(ROM)
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( \
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cd $(BUILD) ; \
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$(pwd)/bin/extract-firmware \
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-o rom \
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) < $^ \
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> $@.tmp
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mv $@.tmp $@
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# All of the output volumes depend on extracting the firmware
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$(patsubst %.vol,,$(FVS)): $(BUILD)/$(BOARD).txt
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$(patsubst %.fv,,$(FVS)): $(BUILD)/$(BOARD).txt
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# Most of the boards define a $(dxe-files) that are extracted
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# from the vendor ROM. Make sure they depend on the board target
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$(dxe-files): $(BUILD)/$(BOARD).txt
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@true
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# Any of the DXE modules are produced by running make in the dxe subdir
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dxe/%.ffs:
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$(MAKE) -C dxe $(notdir $@)
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ifndef USE_UTK
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$(BUILD)/linuxboot.rom: $(FVS)
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else
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DXE_FFS += dxe/linuxboot.ffs
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DXE_FFS += $(BUILD)/Linux.ffs
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DXE_FFS += $(BUILD)/Initrd.ffs
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$(BUILD)/linuxboot.rom: bin/utk $(DXE_FFS)
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$< \
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$(ROM) \
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remove_dxes_except boards/$(BOARD)/image-files.txt \
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$(foreach ffs,$(DXE_FFS), insert_dxe $(ffs)) \
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$(UTK_EXTRA_OPS) \
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save $@
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endif
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clean:
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$(RM) $(BUILD)/{*.ffs,*.rom,*.vol,*.tmp}
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$(RM) ./bin/utk
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