ARM: tegra: Ardbeg: Laguna: Changing LDO3 LP0 voltage

[linux-3.10.git] / Kbuild

diff --git a/Kbuild b/Kbuild
index 197ece85034ba8ad983af531597b6b40610aa2c6..b8b708ad6dc3815eb0d23bfea2c972d03b9477c0 100644 (file)
--- a/Kbuild
+++ b/Kbuild
@@ -1,41 +1,101 @@
 #
 # Kbuild for top-level directory of the kernel
 # This file takes care of the following:
-# 1) Generate asm-offsets.h
+# 1) Generate bounds.h
+# 2) Generate asm-offsets.h (may need bounds.h)
+# 3) Check for missing system calls
 
 #####
-# 1) Generate asm-offsets.h 
+# 1) Generate bounds.h
+
+bounds-file := include/generated/bounds.h
+
+always  := $(bounds-file)
+targets := $(bounds-file) kernel/bounds.s
+
+quiet_cmd_bounds = GEN     $@
+define cmd_bounds
+       (set -e; \
+        echo "#ifndef __LINUX_BOUNDS_H__"; \
+        echo "#define __LINUX_BOUNDS_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
+kernel/bounds.s: kernel/bounds.c FORCE
+       $(Q)mkdir -p $(dir $@)
+       $(call if_changed_dep,cc_s_c)
+
+$(obj)/$(bounds-file): kernel/bounds.s Kbuild
+       $(Q)mkdir -p $(dir $@)
+       $(call cmd,bounds)
+
+#####
+# 2) Generate asm-offsets.h
 #
 
-offsets-file := include/asm-$(ARCH)/asm-offsets.h
+offsets-file := include/generated/asm-offsets.h
 
-always  := $(offsets-file)
-targets := $(offsets-file)
-targets += arch/$(ARCH)/kernel/asm-offsets.s
+always  += $(offsets-file)
+targets += $(offsets-file)
+targets += arch/$(SRCARCH)/kernel/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
 
 quiet_cmd_offsets = GEN     $@
 define cmd_offsets
-       cat $< | \
        (set -e; \
         echo "#ifndef __ASM_OFFSETS_H__"; \
         echo "#define __ASM_OFFSETS_H__"; \
         echo "/*"; \
         echo " * DO NOT MODIFY."; \
         echo " *"; \
-        echo " * This file was generated by $(srctree)/Kbuild"; \
+        echo " * This file was generated by Kbuild"; \
         echo " *"; \
         echo " */"; \
         echo ""; \
-        sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
+        sed -ne $(sed-y) $<; \
         echo ""; \
         echo "#endif" ) > $@
 endef
 
 # We use internal kbuild rules to avoid the "is up to date" message from make
-arch/$(ARCH)/kernel/asm-offsets.s: arch/$(ARCH)/kernel/asm-offsets.c FORCE
+arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
+                                      $(obj)/$(bounds-file) FORCE
        $(Q)mkdir -p $(dir $@)
        $(call if_changed_dep,cc_s_c)
 
-$(srctree)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild
+$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
        $(call cmd,offsets)
 
+#####
+# 3) Check for missing system calls
+#
+
+always += missing-syscalls
+targets += missing-syscalls
+
+quiet_cmd_syscalls = CALL    $<
+      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
+
+missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
+       $(call cmd,syscalls)
+
+# Keep these two files during make clean
+no-clean-files := $(bounds-file) $(offsets-file)