summaryrefslogtreecommitdiff
path: root/Kbuild
diff options
context:
space:
mode:
authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-02-24 11:12:11 +0900
committerTom Rini <trini@ti.com>2014-02-25 11:01:28 -0500
commit6a44d80634f7bf78182f5988ed0b93f2349a25ce (patch)
treeb42ae2d8b8a1bb10182316f5dcee461fd323b870 /Kbuild
parent6378008a445cde64c0bd82fbab450bd9dba627b1 (diff)
downloadu-boot-imx-6a44d80634f7bf78182f5988ed0b93f2349a25ce.zip
u-boot-imx-6a44d80634f7bf78182f5988ed0b93f2349a25ce.tar.gz
u-boot-imx-6a44d80634f7bf78182f5988ed0b93f2349a25ce.tar.bz2
kbuild: move asm-offsets.h rules to ./Kbuild
Generate include/generated/generic-asm-offsets.h and include/generated/asm-offsets.h in ./Kbuild. This commit also changes the include guard. Before this commit, __ASM_OFFSETS_H__ was used for both of them. So we could not include generic-asm-offsets.h and asm-offsets.h at the same time. This commit renames the include guard of the former to __GENERIC_ASM_OFFSETS_H__. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'Kbuild')
-rw-r--r--Kbuild87
1 files changed, 87 insertions, 0 deletions
diff --git a/Kbuild b/Kbuild
new file mode 100644
index 0000000..1d89761
--- /dev/null
+++ b/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 $(srctree)/$(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)