Update to 3.4-final.

[linux-flexiantxendom0-3.2.10.git] / arch / x86 / Makefile

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 953b676..b30eaa3 100644 (file)
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -74,7 +74,7 @@ endif
 
 ifdef CONFIG_CC_STACKPROTECTOR
        cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
-        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
+        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
                 stackp-y := -fstack-protector
                 KBUILD_CFLAGS += $(stackp-y)
         else
@@ -82,6 +82,22 @@ ifdef CONFIG_CC_STACKPROTECTOR
         endif
 endif
 
+ifdef CONFIG_X86_X32
+       x32_ld_ok := $(call try-run,\
+                       /bin/echo -e '1: .quad 1b' | \
+                       $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" - && \
+                       $(OBJCOPY) -O elf32-x86-64 "$$TMP" "$$TMPO" && \
+                       $(LD) -m elf32_x86_64 "$$TMPO" -o "$$TMP",y,n)
+        ifeq ($(x32_ld_ok),y)
+                CONFIG_X86_X32_ABI := y
+                KBUILD_AFLAGS += -DCONFIG_X86_X32_ABI
+                KBUILD_CFLAGS += -DCONFIG_X86_X32_ABI
+        else
+                $(warning CONFIG_X86_X32 enabled but no binutils support)
+        endif
+endif
+export CONFIG_X86_X32_ABI
+
 # Don't unroll struct assignments with kmemcheck enabled
 ifeq ($(CONFIG_KMEMCHECK),y)
        KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy)
@@ -95,8 +111,13 @@ sp-$(CONFIG_X86_64) := rsp
 cfi := $(call as-instr,.cfi_startproc\n.cfi_rel_offset $(sp-y)$(comma)0\n.cfi_endproc,-DCONFIG_AS_CFI=1)
 # is .cfi_signal_frame supported too?
 cfi-sigframe := $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1)
-KBUILD_AFLAGS += $(cfi) $(cfi-sigframe)
-KBUILD_CFLAGS += $(cfi) $(cfi-sigframe)
+cfi-sections := $(call as-instr,.cfi_sections .debug_frame,-DCONFIG_AS_CFI_SECTIONS=1)
+
+# does binutils support specific instructions?
+asinstr := $(call as-instr,fxsaveq (%rax),-DCONFIG_AS_FXSAVEQ=1)
+
+KBUILD_AFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr)
+KBUILD_CFLAGS += $(cfi) $(cfi-sigframe) $(cfi-sections) $(asinstr)
 
 LDFLAGS := -m elf_$(UTS_MACHINE)
 
@@ -110,10 +131,20 @@ KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
 endif
 # prevent gcc from generating any FP code by mistake
 KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
 
 KBUILD_CFLAGS += $(mflags-y)
 KBUILD_AFLAGS += $(mflags-y)
 
+archscripts:
+       $(Q)$(MAKE) $(build)=arch/x86/tools relocs
+
+###
+# Syscall table generation
+
+archheaders:
+       $(Q)$(MAKE) $(build)=arch/x86/syscalls all
+
 ###
 # Kernel objects
 
@@ -137,12 +168,7 @@ drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/
 # suspend and hibernation support
 drivers-$(CONFIG_PM) += arch/x86/power/
 
-ifeq ($(CONFIG_X86_32),y)
 drivers-$(CONFIG_FB) += arch/x86/video/
-endif
-
-# KDB support
-drivers-$(CONFIG_KDB) += arch/x86/kdb/
 
 ####
 # boot loader support. Several targets are kept for legacy purposes
@@ -151,9 +177,28 @@ boot := arch/x86/boot
 
 BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage
 
-PHONY += bzImage $(BOOT_TARGETS)
+PHONY += bzImage vmlinuz $(BOOT_TARGETS)
+
+ifdef CONFIG_XEN
+LINUXINCLUDE := -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION) \
+       -I$(srctree)/arch/x86/include/mach-xen $(LINUXINCLUDE)
+
+ifdef CONFIG_X86_64
+LDFLAGS_vmlinux := -e startup_64
+endif
 
 # Default kernel to build
+all: vmlinuz
+
+# KBUILD_IMAGE specifies the target image being built
+KBUILD_IMAGE := $(boot)/vmlinuz
+
+vmlinuz: vmlinux
+       $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
+       $(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
+       $(Q)ln -fsn ../../x86/boot/$@ $(objtree)/arch/$(UTS_MACHINE)/boot/$@
+else
+# Default kernel to build
 all: bzImage
 
 # KBUILD_IMAGE specify target image being built
@@ -166,6 +211,7 @@ endif
        $(Q)$(MAKE) $(build)=$(boot) $(KBUILD_IMAGE)
        $(Q)mkdir -p $(objtree)/arch/$(UTS_MACHINE)/boot
        $(Q)ln -fsn ../../x86/boot/bzImage $(objtree)/arch/$(UTS_MACHINE)/boot/$@
+endif
 
 $(BOOT_TARGETS): vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $@