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