37 lines
1019 B
Makefile
37 lines
1019 B
Makefile
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## SPDX-License-Identifier: GPL-2.0-only
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build_dir=$(CURDIR)/build
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skiboot_dir=$(CURDIR)/skiboot
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skiboot_git_repo=$(CONFIG_SKIBOOT_GIT_REPO)
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skiboot_revision=$(CONFIG_SKIBOOT_REVISION)
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skiboot_elf=$(build_dir)/skiboot.elf
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skiboot_cross=$(or $(CROSS),powerpc64-linux-gnu-)
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unexport $(COREBOOT_EXPORTS)
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.PHONY: all clean distclean
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all: $(skiboot_elf)
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$(skiboot_elf): | $(skiboot_dir) $(build_dir)
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+$(MAKE) -C $(skiboot_dir) CROSS="$(skiboot_cross)"
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cp $(skiboot_dir)/skiboot.elf $@
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# skiboot is always built with debug information due to unconditional -ggdb
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$(skiboot_cross)strip $@
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$(skiboot_dir):
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git clone $(skiboot_git_repo) $(skiboot_dir)
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git -C $(skiboot_dir) checkout $(skiboot_revision)
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$(build_dir):
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mkdir -p $(build_dir)
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distclean: clean
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rm -rf $(skiboot_dir)
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clean:
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# Redefine RM because it's used like `$(RM) non-existent-file`
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# Also ignore useless messages about removing test files
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[ ! -d $(skiboot_dir) ] || $(MAKE) -C $(skiboot_dir) RM="rm -rf" clean > /dev/null
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rm -rf $(build_dir)
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