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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/Kbuild | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/Kbuild')
| -rw-r--r-- | roms/u-boot/Kbuild | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/roms/u-boot/Kbuild b/roms/u-boot/Kbuild new file mode 100644 index 00000000..6e1698c5 --- /dev/null +++ b/roms/u-boot/Kbuild @@ -0,0 +1,87 @@ +# +# 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:->#\(.*\):/* \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) |