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- #
- # Kbuild for top-level directory of U-Boot
- # This file takes care of the following:
- # 1) Generate generic-asm-offsets.h
- # 2) Generate asm-offsets.h
- #####
- # 1) Generate generic-asm-offsets.h
- generic-offsets-file := include/generated/generic-asm-offsets.h
- always := $(generic-offsets-file)
- targets := $(generic-offsets-file) lib/asm-offsets.s
- quiet_cmd_generic-offsets = GEN $@
- define cmd_generic-offsets
- (set -e; \
- echo "#ifndef __GENERIC_ASM_OFFSETS_H__"; \
- echo "#define __GENERIC_ASM_OFFSETS_H__"; \
- echo "/*"; \
- echo " * DO NOT MODIFY."; \
- echo " *"; \
- echo " * This file was generated by Kbuild"; \
- echo " *"; \
- echo " */"; \
- echo ""; \
- sed -ne $(sed-y) $<; \
- echo ""; \
- echo "#endif" ) > $@
- endef
- # We use internal kbuild rules to avoid the "is up to date" message from make
- lib/asm-offsets.s: lib/asm-offsets.c FORCE
- $(Q)mkdir -p $(dir $@)
- $(call if_changed_dep,cc_s_c)
- $(obj)/$(generic-offsets-file): lib/asm-offsets.s Kbuild
- $(Q)mkdir -p $(dir $@)
- $(call cmd,generic-offsets)
- #####
- # 2) Generate asm-offsets.h
- #
- ifneq ($(wildcard $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c),)
- offsets-file := include/generated/asm-offsets.h
- endif
- always += $(offsets-file)
- targets += $(offsets-file)
- targets += $(CPUDIR)/$(SOC)/asm-offsets.s
- # Default sed regexp - multiline due to syntax constraints
- define sed-y
- "/^->/{s:->#\(.*\):/* \1 */:; \
- s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:->::; p;}"
- endef
- CFLAGS_asm-offsets.o := -DDO_DEPS_ONLY
- quiet_cmd_offsets = GEN $@
- define cmd_offsets
- (set -e; \
- echo "#ifndef __ASM_OFFSETS_H__"; \
- echo "#define __ASM_OFFSETS_H__"; \
- echo "/*"; \
- echo " * DO NOT MODIFY."; \
- echo " *"; \
- echo " * This file was generated by Kbuild"; \
- echo " *"; \
- echo " */"; \
- echo ""; \
- sed -ne $(sed-y) $<; \
- echo ""; \
- echo "#endif" ) > $@
- endef
- # We use internal kbuild rules to avoid the "is up to date" message from make
- $(CPUDIR)/$(SOC)/asm-offsets.s: $(CPUDIR)/$(SOC)/asm-offsets.c FORCE
- $(Q)mkdir -p $(dir $@)
- $(call if_changed_dep,cc_s_c)
- $(obj)/$(offsets-file): $(CPUDIR)/$(SOC)/asm-offsets.s
- $(call cmd,offsets)
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