diff options
Diffstat (limited to 'arch/um/Makefile')
| -rw-r--r-- | arch/um/Makefile | 80 |
1 files changed, 59 insertions, 21 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile index 97bca6b5ca95..f2a0c40a9204 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -17,7 +17,7 @@ core-y += $(ARCH_DIR)/kernel/ \ # Have to precede the include because the included Makefiles reference them. SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \ - arch-signal.h module.h vm-flags.h + module.h vm-flags.h elf.h SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header)) # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes @@ -44,6 +44,11 @@ ifneq ($(MAKEFILES-INCL),) endif ARCH_INCLUDE := -I$(ARCH_DIR)/include +ifneq ($(KBUILD_SRC),) +ARCH_INCLUDE += -I$(ARCH_DIR)/include2 +ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include +MRPROPER_DIRS += $(ARCH_DIR)/include2 +endif SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH) include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH) @@ -94,17 +99,18 @@ define archhelp echo ' find in the kernel root.' endef +ifneq ($(KBUILD_SRC),) +$(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig_$(SUBARCH) $(ARCH_DIR)/Kconfig_arch) +CLEAN_FILES += $(ARCH_DIR)/Kconfig_arch +else $(shell cd $(ARCH_DIR) && ln -sf Kconfig_$(SUBARCH) Kconfig_arch) +endif -prepare: $(ARCH_SYMLINKS) $(SYS_HEADERS) $(GEN_HEADERS) \ - $(ARCH_DIR)/kernel/vmlinux.lds.S +prepare: $(ARCH_SYMLINKS) $(SYS_HEADERS) $(GEN_HEADERS) LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib -LD_SCRIPT-$(CONFIG_LD_SCRIPT_STATIC) := uml.lds.S -LD_SCRIPT-$(CONFIG_LD_SCRIPT_DYN) := dyn.lds.S - CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT CONFIG_KERNEL_STACK_ORDER ?= 2 STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] ) @@ -126,7 +132,7 @@ define cmd_vmlinux__ $(CC) $(CFLAGS_vmlinux) -o $@ \ -Wl,-T,$(vmlinux-lds) $(vmlinux-init) \ -Wl,--start-group $(vmlinux-main) -Wl,--end-group \ - -L/usr/lib -lutil \ + -lutil \ $(filter-out $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) \ FORCE ,$^) ; rm -f linux endef @@ -145,31 +151,42 @@ archclean: @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f -#We need to re-preprocess this when the symlink dest changes. -#So we touch it when needed. -$(ARCH_DIR)/kernel/vmlinux.lds.S: FORCE - $(Q)if [ "$(shell readlink $@)" != "$(LD_SCRIPT-y)" ]; then \ - echo ' SYMLINK $@'; \ - ln -sf $(LD_SCRIPT-y) $@; \ - touch $@; \ - fi; - $(SYMLINK_HEADERS): @echo ' SYMLINK $@' +ifneq ($(KBUILD_SRC),) + ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@ +else $(Q)cd $(TOPDIR)/$(dir $@) ; \ ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $(notdir $@) +endif include/asm-um/arch: @echo ' SYMLINK $@' +ifneq ($(KBUILD_SRC),) + $(Q)mkdir -p include/asm-um + $(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch +else $(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch +endif $(ARCH_DIR)/include/sysdep: @echo ' SYMLINK $@' +ifneq ($(KBUILD_SRC),) + $(Q)mkdir -p $(ARCH_DIR)/include + $(Q)mkdir -p $(ARCH_DIR)/include2 + $(Q)ln -fsn sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep + $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include2/sysdep +else $(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep +endif $(ARCH_DIR)/os: @echo ' SYMLINK $@' +ifneq ($(KBUILD_SRC),) + $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $(ARCH_DIR)/os +else $(Q)cd $(ARCH_DIR) && ln -sf os-$(OS) os +endif # Generated files define filechk_umlconfig @@ -179,10 +196,31 @@ endef $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h $(call filechk,umlconfig) +$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c + $(CC) $(USER_CFLAGS) -S -o $@ $< + +$(ARCH_DIR)/user-offsets.h: $(ARCH_DIR)/user-offsets.s + $(call filechk,gen-asm-offsets) + +CLEAN_FILES += $(ARCH_DIR)/user-offsets.s $(ARCH_DIR)/user-offsets.h + +$(ARCH_DIR)/kernel-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/kernel-offsets.c \ + $(ARCH_SYMLINKS) \ + $(SYS_DIR)/sc.h \ + include/asm include/linux/version.h \ + include/config/MARKER \ + $(ARCH_DIR)/include/user_constants.h + $(CC) $(CFLAGS) $(NOSTDINC_FLAGS) $(CPPFLAGS) -S -o $@ $< + +$(ARCH_DIR)/kernel-offsets.h: $(ARCH_DIR)/kernel-offsets.s + $(call filechk,gen-asm-offsets) + +CLEAN_FILES += $(ARCH_DIR)/kernel-offsets.s $(ARCH_DIR)/kernel-offsets.h + $(ARCH_DIR)/include/task.h: $(ARCH_DIR)/util/mk_task $(call filechk,gen_header) -$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/os/util/mk_user_constants +$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/os-$(OS)/util/mk_user_constants $(call filechk,gen_header) $(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/util/mk_constants @@ -191,20 +229,20 @@ $(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/util/mk_constants $(ARCH_DIR)/include/skas_ptregs.h: $(ARCH_DIR)/kernel/skas/util/mk_ptregs $(call filechk,gen_header) -$(ARCH_DIR)/os/util/mk_user_constants: $(ARCH_DIR)/os/util FORCE ; +$(ARCH_DIR)/os-$(OS)/util/mk_user_constants: $(ARCH_DIR)/os-$(OS)/util FORCE ; $(ARCH_DIR)/util/mk_task $(ARCH_DIR)/util/mk_constants: $(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/util \ FORCE ; $(ARCH_DIR)/kernel/skas/util/mk_ptregs: $(ARCH_DIR)/kernel/skas/util FORCE ; -$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h FORCE +$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h $(ARCH_DIR)/kernel-offsets.h FORCE $(Q)$(MAKE) $(build)=$@ -$(ARCH_DIR)/kernel/skas/util: scripts_basic FORCE +$(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE $(Q)$(MAKE) $(build)=$@ -$(ARCH_DIR)/os/util: scripts_basic FORCE +$(ARCH_DIR)/os-$(OS)/util: scripts_basic FORCE $(Q)$(MAKE) $(build)=$@ export SUBARCH USER_CFLAGS OS |