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106 lines
5.0 KiB
Makefile
106 lines
5.0 KiB
Makefile
# Makefile for the test helper UEFI applications that run in guests.
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#
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# Copyright (C) 2019, Red Hat, Inc.
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#
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# This program and the accompanying materials are licensed and made available
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# under the terms and conditions of the BSD License that accompanies this
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# distribution. The full text of the license may be found at
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# <http://opensource.org/licenses/bsd-license.php>.
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
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# WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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edk2_dir := ../../roms/edk2
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images_dir := ../data/uefi-boot-images
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emulation_targets := arm aarch64 i386 x86_64 riscv64
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uefi_binaries := bios-tables-test
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intermediate_suffixes := .efi .fat .iso.raw
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images: $(foreach binary,$(uefi_binaries), \
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$(foreach target,$(emulation_targets), \
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$(images_dir)/$(binary).$(target).iso.qcow2))
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# Preserve all intermediate targets if the build succeeds.
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# - Intermediate targets help with development & debugging.
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# - Preserving intermediate targets also keeps spurious changes out of the
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# final build products, in case the user re-runs "make" without any changes
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# to the UEFI source code. Normally, the intermediate files would have been
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# removed by the last "make" invocation, hence the re-run would rebuild them
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# from the unchanged UEFI sources. Unfortunately, the "mkdosfs" and
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# "genisoimage" utilities embed timestamp-based information in their outputs,
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# which causes git to report differences for the tracked qcow2 ISO images.
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.SECONDARY: $(foreach binary,$(uefi_binaries), \
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$(foreach target,$(emulation_targets), \
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$(foreach suffix,$(intermediate_suffixes), \
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Build/$(binary).$(target)$(suffix))))
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# In the pattern rules below, the stem (%, $*) stands for
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# "$(binary).$(target)".
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# Convert the raw ISO image to a qcow2 one, enabling compression, and using a
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# small cluster size. This allows for small binary files under git control,
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# hence for small binary patches.
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$(images_dir)/%.iso.qcow2: Build/%.iso.raw
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mkdir -p -- $(images_dir)
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$${QTEST_QEMU_IMG:-qemu-img} convert -f raw -O qcow2 -c \
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-o cluster_size=512 -- $< $@
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# Embed the "UEFI system partition" into an ISO9660 file system as an ElTorito
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# boot image.
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Build/%.iso.raw: Build/%.fat
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genisoimage -input-charset ASCII -efi-boot $(notdir $<) -no-emul-boot \
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-quiet -o $@ -- $<
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# Define chained macros in order to map QEMU system emulation targets to
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# *short* UEFI architecture identifiers. Periods are allowed in, and ultimately
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# stripped from, the argument.
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map_arm_to_uefi = $(subst arm,ARM,$(1))
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map_aarch64_to_uefi = $(subst aarch64,AA64,$(call map_arm_to_uefi,$(1)))
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map_riscv64_to_uefi = $(subst riscv64,RISCV64,$(call map_aarch64_to_uefi,$(1)))
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map_i386_to_uefi = $(subst i386,IA32,$(call map_riscv64_to_uefi,$(1)))
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map_x86_64_to_uefi = $(subst x86_64,X64,$(call map_i386_to_uefi,$(1)))
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map_to_uefi = $(subst .,,$(call map_x86_64_to_uefi,$(1)))
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# Format a "UEFI system partition", using the UEFI binary as the default boot
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# loader. Add 10% size for filesystem metadata, round up to the next KB, and
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# make sure the size is large enough for a FAT filesystem. Name the filesystem
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# after the UEFI binary. (Excess characters are automatically dropped from the
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# filesystem label.)
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Build/%.fat: Build/%.efi
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rm -f -- $@
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uefi_bin_b=$$(stat --format=%s -- $<) && \
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uefi_fat_kb=$$(( (uefi_bin_b * 11 / 10 + 1023) / 1024 )) && \
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uefi_fat_kb=$$(( uefi_fat_kb >= 64 ? uefi_fat_kb : 64 )) && \
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mkdosfs -C $@ -n "bios-test" -- $$uefi_fat_kb
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MTOOLS_SKIP_CHECK=1 mmd -i $@ ::EFI
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MTOOLS_SKIP_CHECK=1 mmd -i $@ ::EFI/BOOT
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MTOOLS_SKIP_CHECK=1 mcopy -i $@ -- $< \
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::EFI/BOOT/BOOT$(call map_to_uefi,$(suffix $*)).EFI
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# In the pattern rules below, the stem (%, $*) stands for "$(target)" only. The
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# association between the UEFI binary (such as "bios-tables-test") and the
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# component name from the edk2 platform DSC file (such as "BiosTablesTest") is
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# explicit in each rule.
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# "build.sh" invokes the "build" utility of edk2 BaseTools. In any given edk2
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# workspace, at most one "build" instance may be operating at a time. Therefore
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# we must serialize the rebuilding of targets in this Makefile.
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.NOTPARALLEL:
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# In turn, the "build" utility of edk2 BaseTools invokes another "make".
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# Although the outer "make" process advertises its job server to all child
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# processes via MAKEFLAGS in the environment, the outer "make" closes the job
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# server file descriptors (exposed in MAKEFLAGS) before executing a recipe --
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# unless the recipe is recognized as a recursive "make" recipe. Recipes that
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# call $(MAKE) are classified automatically as recursive; for "build.sh" below,
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# we must mark the recipe manually as recursive, by using the "+" indicator.
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# This way, when the inner "make" starts a parallel build of the target edk2
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# module, it can communicate with the outer "make"'s job server.
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Build/bios-tables-test.%.efi:
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$(PYTHON) ../../roms/edk2-build.py --config uefi-test-build.config \
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--match $*
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clean:
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rm -rf Build Conf log
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$(MAKE) -C $(edk2_dir)/BaseTools clean
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