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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 $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),)
offsets-file := include/generated/asm-offsets.h
endif
always += $(offsets-file)
targets += $(offsets-file)
targets += arch/$(ARCH)/lib/asm-offsets.s
# Default sed regexp - multiline due to syntax constraints
define sed-y
"s:[[:space:]]*\.ascii[[:space:]]*\"\(.*\)\":\1:; \
/^->/{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" ) > $@
endef
# We use internal kbuild rules to avoid the "is up to date" message from make
arch/$(ARCH)/lib/asm-offsets.s: arch/$(ARCH)/lib/asm-offsets.c FORCE
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
$(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s Kbuild
$(call cmd,offsets)
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