x86: move cpufreq Kconfigs to the same directory
[safe/jmp/linux-2.6] / arch / x86_64 / Makefile
index 1c0f18d..f48d862 100644 (file)
@@ -21,6 +21,9 @@
 #
 # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $
 
+# Fill in SRCARCH
+SRCARCH        := x86
+
 LDFLAGS                := -m elf_x86_64
 OBJCOPYFLAGS   := -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux :=
@@ -30,20 +33,18 @@ cflags-y    :=
 cflags-kernel-y        :=
 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
+# gcc doesn't support -march=core2 yet as of gcc 4.3, but I hope it
+# will eventually. Use -mtune=generic as fallback
+cflags-$(CONFIG_MCORE2) += \
+       $(call cc-option,-march=core2,$(call cc-option,-mtune=generic))
 cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
 
 cflags-y += -m64
 cflags-y += -mno-red-zone
 cflags-y += -mcmodel=kernel
 cflags-y += -pipe
-cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections
-# this makes reading assembly source easier, but produces worse code
-# actually it makes the kernel smaller too.
-cflags-y += -fno-reorder-blocks
 cflags-y += -Wno-sign-compare
-ifneq ($(CONFIG_UNWIND_INFO),y)
 cflags-y += -fno-asynchronous-unwind-tables
-endif
 ifneq ($(CONFIG_DEBUG_INFO),y)
 # -fweb shrinks the kernel a bit, but the difference is very small
 # it also messes up debugging, so don't use it for now.
@@ -54,32 +55,37 @@ endif
 cflags-y += $(call cc-option,-funit-at-a-time)
 # prevent gcc from generating any FP code by mistake
 cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+# this works around some issues with generating unwind tables in older gccs
+# newer gccs do it by default
+cflags-y += -maccumulate-outgoing-args
+
 # do binutils support CFI?
-cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
-AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset rsp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
 
 # is .cfi_signal_frame supported too?
 cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
-AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
+KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
 
-cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector )
-cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector-all )
+cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector )
+cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh "$(CC)" -fstack-protector-all )
 
-CFLAGS += $(cflags-y)
+KBUILD_CFLAGS += $(cflags-y)
 CFLAGS_KERNEL += $(cflags-kernel-y)
-AFLAGS += -m64
+KBUILD_AFLAGS += -m64
 
-head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o
+head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task_64.o
 
-libs-y                                         += arch/x86_64/lib/
-core-y                                 += arch/x86_64/kernel/ \
-                                          arch/x86_64/mm/ \
-                                          arch/x86_64/crypto/
-core-$(CONFIG_IA32_EMULATION)          += arch/x86_64/ia32/
-drivers-$(CONFIG_PCI)                  += arch/x86_64/pci/
-drivers-$(CONFIG_OPROFILE)             += arch/x86_64/oprofile/
+libs-y                                         += arch/x86/lib/
+core-y                                 += arch/x86/kernel/ \
+                                          arch/x86/mm/ \
+                                          arch/x86/crypto/ \
+                                          arch/x86/vdso/
+core-$(CONFIG_IA32_EMULATION)          += arch/x86/ia32/
+drivers-$(CONFIG_PCI)                  += arch/x86/pci/
+drivers-$(CONFIG_OPROFILE)             += arch/x86/oprofile/
 
-boot := arch/x86_64/boot
+boot := arch/x86/boot
 
 PHONY += bzImage bzlilo install archmrproper \
         fdimage fdimage144 fdimage288 isoimage archclean
@@ -87,11 +93,13 @@ PHONY += bzImage bzlilo install archmrproper \
 #Default target when executing "make"
 all: bzImage
 
-BOOTIMAGE                     := arch/x86_64/boot/bzImage
+BOOTIMAGE                     := arch/x86/boot/bzImage
 KBUILD_IMAGE                  := $(BOOTIMAGE)
 
 bzImage: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE)
+       $(Q)mkdir -p $(objtree)/arch/x86_64/boot
+       $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/x86_64/boot/bzImage
 
 bzlilo: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo
@@ -102,10 +110,17 @@ bzdisk: vmlinux
 fdimage fdimage144 fdimage288 isoimage: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
 
-install:
+install: vdso_install
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ 
 
+vdso_install:
+ifeq ($(CONFIG_IA32_EMULATION),y)
+       $(Q)$(MAKE) $(build)=arch/x86/ia32 $@
+endif
+       $(Q)$(MAKE) $(build)=arch/x86/vdso $@
+
 archclean:
+       $(Q)rm -rf $(objtree)/arch/x86_64/boot
        $(Q)$(MAKE) $(clean)=$(boot)
 
 define archhelp