2 # Kbuild for top-level directory of U-Boot
3 # This file takes care of the following:
4 # 1) Generate generic-asm-offsets.h
5 # 2) Generate asm-offsets.h
7 # Default sed regexp - multiline due to syntax constraints
9 "s:[[:space:]]*\.ascii[[:space:]]*\"\(.*\)\":\1:; \
10 /^->/{s:->#\(.*\):/* \1 */:; \
11 s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
12 s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
16 quiet_cmd_offsets = GEN $@
22 echo " * DO NOT MODIFY."; \
24 echo " * This file was generated by Kbuild"; \
28 sed -ne $(sed-y) $<; \
34 # 1) Generate generic-asm-offsets.h
36 generic-offsets-file := include/generated/generic-asm-offsets.h
38 always := $(generic-offsets-file)
39 targets := $(generic-offsets-file) lib/asm-offsets.s
41 # We use internal kbuild rules to avoid the "is up to date" message from make
42 lib/asm-offsets.s: lib/asm-offsets.c FORCE
43 $(Q)mkdir -p $(dir $@)
44 $(call if_changed_dep,cc_s_c)
46 $(obj)/$(generic-offsets-file): lib/asm-offsets.s Kbuild
47 $(Q)mkdir -p $(dir $@)
48 $(call cmd,offsets,__GENERIC_ASM_OFFSETS_H__)
51 # 2) Generate asm-offsets.h
54 ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/asm-offsets.c),)
55 offsets-file := include/generated/asm-offsets.h
58 always += $(offsets-file)
59 targets += $(offsets-file)
60 targets += arch/$(ARCH)/lib/asm-offsets.s
62 CFLAGS_asm-offsets.o := -DDO_DEPS_ONLY
64 # We use internal kbuild rules to avoid the "is up to date" message from make
65 arch/$(ARCH)/lib/asm-offsets.s: arch/$(ARCH)/lib/asm-offsets.c FORCE
66 $(Q)mkdir -p $(dir $@)
67 $(call if_changed_dep,cc_s_c)
69 $(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s Kbuild
70 $(call cmd,offsets,__ASM_OFFSETS_H__)