diff options
| -rw-r--r-- | Kbuild | 41 | ||||
| -rw-r--r-- | Makefile | 39 | ||||
| -rw-r--r-- | arch/i386/Makefile | 9 | ||||
| -rw-r--r-- | arch/i386/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/vsyscall-sigreturn.S | 2 | ||||
| -rw-r--r-- | arch/i386/kernel/vsyscall.lds.S | 2 | ||||
| -rw-r--r-- | arch/i386/power/swsusp.S | 2 | ||||
| -rw-r--r-- | include/asm-i386/thread_info.h | 2 |
8 files changed, 57 insertions, 42 deletions
diff --git a/Kbuild b/Kbuild new file mode 100644 index 000000000000..197ece85034b --- /dev/null +++ b/Kbuild @@ -0,0 +1,41 @@ +# +# Kbuild for top-level directory of the kernel +# This file takes care of the following: +# 1) Generate asm-offsets.h + +##### +# 1) Generate asm-offsets.h +# + +offsets-file := include/asm-$(ARCH)/asm-offsets.h + +always := $(offsets-file) +targets := $(offsets-file) +targets += arch/$(ARCH)/kernel/asm-offsets.s + +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 " *"; \ + echo " */"; \ + echo ""; \ + sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \ + 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 + $(Q)mkdir -p $(dir $@) + $(call if_changed_dep,cc_s_c) + +$(srctree)/$(offsets-file): arch/$(ARCH)/kernel/asm-offsets.s Kbuild + $(call cmd,offsets) + @@ -776,14 +776,14 @@ $(vmlinux-dirs): prepare-all scripts # A multi level approach is used. prepare1 is updated first, then prepare0. # prepare-all is the collection point for the prepare targets. -.PHONY: prepare-all prepare prepare0 prepare1 prepare2 +.PHONY: prepare-all prepare prepare0 prepare1 prepare2 prepare3 -# prepare2 is used to check if we are building in a separate output directory, +# prepare3 is used to check if we are building in a separate output directory, # and if so do: # 1) Check that make has not been executed in the kernel src $(srctree) # 2) Create the include2 directory, used for the second asm symlink -prepare2: +prepare3: ifneq ($(KBUILD_SRC),) @echo ' Using $(srctree) as source for kernel' $(Q)if [ -f $(srctree)/.config ]; then \ @@ -795,18 +795,21 @@ ifneq ($(KBUILD_SRC),) $(Q)ln -fsn $(srctree)/include/asm-$(ARCH) include2/asm endif -# prepare1 creates a makefile if using a separate output directory -prepare1: prepare2 outputmakefile +# prepare2 creates a makefile if using a separate output directory +prepare2: prepare3 outputmakefile -prepare0: prepare1 include/linux/version.h include/asm \ +prepare1: prepare2 include/linux/version.h include/asm \ include/config/MARKER ifneq ($(KBUILD_MODULES),) $(Q)rm -rf $(MODVERDIR) $(Q)mkdir -p $(MODVERDIR) endif +prepare0: prepare prepare1 FORCE + $(Q)$(MAKE) $(build)=$(srctree) + # All the preparing.. -prepare-all: prepare0 prepare +prepare-all: prepare0 # Leave this as default for preprocessing vmlinux.lds.S, which is now # done in arch/$(ARCH)/kernel/Makefile @@ -949,26 +952,6 @@ modules modules_install: FORCE endif # CONFIG_MODULES -# Generate asm-offsets.h -# --------------------------------------------------------------------------- - -define filechk_gen-asm-offsets - (set -e; \ - echo "#ifndef __ASM_OFFSETS_H__"; \ - echo "#define __ASM_OFFSETS_H__"; \ - echo "/*"; \ - echo " * DO NOT MODIFY."; \ - echo " *"; \ - echo " * This file was generated by arch/$(ARCH)/Makefile"; \ - echo " *"; \ - echo " */"; \ - echo ""; \ - sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \ - echo ""; \ - echo "#endif" ) -endef - - ### # Cleaning is done on three levels. # make clean Delete most generated files @@ -991,7 +974,7 @@ MRPROPER_FILES += .config .config.old include/asm .version \ # clean: rm-dirs := $(CLEAN_DIRS) clean: rm-files := $(CLEAN_FILES) -clean-dirs := $(addprefix _clean_,$(vmlinux-alldirs)) +clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs)) .PHONY: $(clean-dirs) clean archclean $(clean-dirs): diff --git a/arch/i386/Makefile b/arch/i386/Makefile index bf7c9ba709f3..09951990a622 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile @@ -156,15 +156,6 @@ install: vmlinux install kernel_install: $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install -prepare: include/asm-$(ARCH)/asm_offsets.h -CLEAN_FILES += include/asm-$(ARCH)/asm_offsets.h - -arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ - include/config/MARKER - -include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s - $(call filechk,gen-asm-offsets) - archclean: $(Q)$(MAKE) $(clean)=arch/i386/boot diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index 0480ca9e9e57..e437fb367498 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -17,7 +17,7 @@ #include <asm/desc.h> #include <asm/cache.h> #include <asm/thread_info.h> -#include <asm/asm_offsets.h> +#include <asm/asm-offsets.h> #include <asm/setup.h> /* diff --git a/arch/i386/kernel/vsyscall-sigreturn.S b/arch/i386/kernel/vsyscall-sigreturn.S index 68afa50dd7cf..fadb5bc3c374 100644 --- a/arch/i386/kernel/vsyscall-sigreturn.S +++ b/arch/i386/kernel/vsyscall-sigreturn.S @@ -7,7 +7,7 @@ */ #include <asm/unistd.h> -#include <asm/asm_offsets.h> +#include <asm/asm-offsets.h> /* XXX diff --git a/arch/i386/kernel/vsyscall.lds.S b/arch/i386/kernel/vsyscall.lds.S index a7977707c8e5..98699ca6e52d 100644 --- a/arch/i386/kernel/vsyscall.lds.S +++ b/arch/i386/kernel/vsyscall.lds.S @@ -3,7 +3,7 @@ * object prelinked to its virtual address, and with only one read-only * segment (that fits in one page). This script controls its layout. */ -#include <asm/asm_offsets.h> +#include <asm/asm-offsets.h> SECTIONS { diff --git a/arch/i386/power/swsusp.S b/arch/i386/power/swsusp.S index c4105286ff26..c893b897217f 100644 --- a/arch/i386/power/swsusp.S +++ b/arch/i386/power/swsusp.S @@ -12,7 +12,7 @@ #include <linux/linkage.h> #include <asm/segment.h> #include <asm/page.h> -#include <asm/asm_offsets.h> +#include <asm/asm-offsets.h> .text diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h index e2cb9fa6f563..8fbf791651bf 100644 --- a/include/asm-i386/thread_info.h +++ b/include/asm-i386/thread_info.h @@ -48,7 +48,7 @@ struct thread_info { #else /* !__ASSEMBLY__ */ -#include <asm/asm_offsets.h> +#include <asm/asm-offsets.h> #endif |