m68k: cache: add an empty stub functions for invalidate/flush dcache

[karo-tx-uboot.git] / Kbuild

diff --git a/Kbuild b/Kbuild
index 1d897613dea3af17438f7f71206fb9195c541d7c..e2e3b2995f16ef68abaef1d15acd8d4aa1ef6eb4 100644 (file)
--- a/Kbuild
+++ b/Kbuild
@@ -4,84 +4,65 @@
 # 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
+# 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
 
-quiet_cmd_generic-offsets = GEN     $@
-define cmd_generic-offsets
+# Use filechk to avoid rebuilds when a header changes, but the resulting file
+# does not
+define filechk_offsets
        (set -e; \
-        echo "#ifndef __GENERIC_ASM_OFFSETS_H__"; \
-        echo "#define __GENERIC_ASM_OFFSETS_H__"; \
+        echo "#ifndef $2"; \
+        echo "#define $2"; \
         echo "/*"; \
         echo " * DO NOT MODIFY."; \
         echo " *"; \
         echo " * This file was generated by Kbuild"; \
-        echo " *"; \
         echo " */"; \
         echo ""; \
-        sed -ne $(sed-y) $<; \
+        sed -ne $(sed-y); \
         echo ""; \
-        echo "#endif" ) > $@
+        echo "#endif" )
 endef
 
+#####
+# 1) Generate generic-asm-offsets.h
+
+generic-offsets-file := include/generated/generic-asm-offsets.h
+
+always  := $(generic-offsets-file)
+targets := lib/asm-offsets.s
+
 # 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 $@)
-       $(call cmd,generic-offsets)
+$(obj)/$(generic-offsets-file): lib/asm-offsets.s FORCE
+       $(call filechk,offsets,__GENERIC_ASM_OFFSETS_H__)
 
 #####
 # 2) Generate asm-offsets.h
 #
 
-ifneq ($(wildcard $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c),)
+ifneq ($(wildcard $(srctree)/arch/$(ARCH)/lib/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
+targets += arch/$(ARCH)/lib/asm-offsets.s
 
 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
+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): $(CPUDIR)/$(SOC)/asm-offsets.s
-       $(call cmd,offsets)
+$(obj)/$(offsets-file): arch/$(ARCH)/lib/asm-offsets.s FORCE
+       $(call filechk,offsets,__ASM_OFFSETS_H__)