87 lines
2.9 KiB
Makefile
87 lines
2.9 KiB
Makefile
# The location of the directory containing the iPXE make file
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# Override this to build from a different source directory
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IPXE_SRCDIR=ipxe/src
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# The specific image to use as the OVB iPXE boot image
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# Override this to use a different image (e.g. ipxe.hd)
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IPXE_IMG=bin/ipxe.iso
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IPXE_EFI=bin-x86_64-efi/ipxe.efi
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ipxe_img_path=$(IPXE_SRCDIR)/$(IPXE_IMG)
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ipxe_efi_path=$(IPXE_SRCDIR)/$(IPXE_EFI)
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all: ipxe-boot.img
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ipxe-boot.img: $(ipxe_img_path) efi.img
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tmp_dir=$$(mktemp -d) && \
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cp efi.img $$tmp_dir/efi.img && \
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mkdir -p $$tmp_dir/boot/efi && \
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xorriso -osirrox on -indev $(ipxe_img_path) -extract / $$tmp_dir && \
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xorriso -as mkisofs \
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-isohybrid-mbr /usr/share/syslinux/isohdpfx.bin \
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-c boot.catalog \
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-b isolinux.bin \
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-no-emul-boot \
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-boot-load-size 4 \
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-boot-info-table \
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-eltorito-alt-boot \
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-e efi.img \
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-no-emul-boot \
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-isohybrid-gpt-basdat \
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-o ipxe-boot.img \
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$$tmp_dir
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efi.img: $(ipxe_efi_path)
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tmp_dir=$$(mktemp -d) && \
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mkdir -p $$tmp_dir/EFI/BOOT && \
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cp $(ipxe_efi_path) $$tmp_dir/EFI/BOOT/BOOTX64.EFI && \
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virt-make-fs --format=raw --type=fat $$tmp_dir efi.img
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# iPXE is configured by setting config macros in the source tree. The repo
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# contains a number of config headers in ipxe/src/config/*.h which contain
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# defaults. These defaults can be overridden by creating a corresponding header
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# in ipxe/src/config/local.
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# For example, the source repo contains ipxe/src/config/general.h, which
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# explicitly does not define NET_PROTO_IPV6. To enable IPv6 support in iPXE we
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# need to create ipxe/src/config/local/general.h and define NET_PROTO_IPV6 in
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# that header.
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# The following allows OVB to keep iPXE configuration under ipxe-config in this
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# repo, and copies it into place in the iPXE repo during build.
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# config_headers is a list of the filenames of all overridden headers in ipxe-config/
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config_headers = $(foreach header,$(wildcard ipxe-config/*.h),\
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$(patsubst ipxe-config/%,%,$(header)))
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# repo_config_path is the path to local override headers in the ipxe repo
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repo_config_path = $(IPXE_SRCDIR)/config/local
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# repo_config_headers is a list of all overridden headers in the iPXE repo
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repo_config_headers = $(foreach header,$(config_headers),$(repo_config_path)/$(header))
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# Copy individual repo_config_headers from ipxe-config/
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$(repo_config_path): $(IPXE_SRCDIR)
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mkdir -p $@
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$(repo_config_path)/%.h: ipxe-config/%.h | $(repo_config_path)
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cp $< $@
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$(IPXE_SRCDIR):
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git submodule init
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git submodule update
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# We disable -Werror so we can build older commits with newer gcc
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# Don't use parallel make, as this races to initialise config headers in a
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# clean repo.
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$(ipxe_img_path): $(repo_config_headers) script.ipxe
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$(MAKE) -C ipxe/src NO_WERROR=1 EMBED=../../script.ipxe $(IPXE_IMG)
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$(ipxe_efi_path): $(repo_config_headers) script.ipxe
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$(MAKE) -C ipxe/src NO_WERROR=1 EMBED=../../script.ipxe $(IPXE_EFI)
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clean:
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rm -rf ipxe
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mkdir ipxe
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rm -f ipxe-boot.img ipxe-boot.qcow2
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.PHONY: $(ipxe_img_path) clean
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