linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / arch / i386 / Makefile
index 4c7b1e7..36bef65 100644 (file)
 # 19990713  Artur Skawina <skawina@geocities.com>
 #           Added '-march' and '-mpreferred-stack-boundary' support
 #
+# 20050320  Kianusch Sayah Karadji <kianusch@sk-tech.net>
+#           Added support for GEODE CPU
+
+HAS_BIARCH      := $(call cc-option-yn, -m32)
+ifeq ($(HAS_BIARCH),y)
+AS              := $(AS) --32
+LD              := $(LD) -m elf_i386
+CC              := $(CC) -m32
+endif
 
 LDFLAGS                := -m elf_i386
 OBJCOPYFLAGS   := -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux :=
 CHECKFLAGS     += -D__i386__
 
-CFLAGS += -pipe -msoft-float -m32 -fno-builtin-sprintf -fno-builtin-log2 -fno-builtin-puts 
+CFLAGS += -pipe -msoft-float
 
 # prevent gcc from keeping the stack 16 byte aligned
 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
 
-align := $(subst -functions=0,,$(call cc-option,-falign-functions=0,-malign-functions=0))
-cflags-$(CONFIG_M386)          += -march=i386
-cflags-$(CONFIG_M486)          += -march=i486
-cflags-$(CONFIG_M586)          += -march=i586
-cflags-$(CONFIG_M586TSC)       += -march=i586
-cflags-$(CONFIG_M586MMX)       += $(call cc-option,-march=pentium-mmx,-march=i586)
-cflags-$(CONFIG_M686)          += -march=i686
-cflags-$(CONFIG_MPENTIUMII)    += $(call cc-option,-march=pentium2,-march=i686)
-cflags-$(CONFIG_MPENTIUMIII)   += $(call cc-option,-march=pentium3,-march=i686)
-cflags-$(CONFIG_MPENTIUMM)     += $(call cc-option,-march=pentium3,-march=i686)
-cflags-$(CONFIG_MPENTIUM4)     += $(call cc-option,-march=pentium4,-march=i686)
-cflags-$(CONFIG_MK6)           += -march=k6
-# Please note, that patches that add -march=athlon-xp and friends are pointless.
-# They make zero difference whatsosever to performance at this time.
-cflags-$(CONFIG_MK7)           += $(call cc-option,-march=athlon,-march=i686 $(align)-functions=4)
-cflags-$(CONFIG_MK8)           += $(call cc-option,-march=k8,$(call cc-option,-march=athlon,-march=i686 $(align)-functions=4))
-cflags-$(CONFIG_MCRUSOE)       += -march=i686 $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
-cflags-$(CONFIG_MWINCHIPC6)    += $(call cc-option,-march=winchip-c6,-march=i586)
-cflags-$(CONFIG_MWINCHIP2)     += $(call cc-option,-march=winchip2,-march=i586)
-cflags-$(CONFIG_MWINCHIP3D)    += $(call cc-option,-march=winchip2,-march=i586)
-cflags-$(CONFIG_MCYRIXIII)     += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0
-cflags-$(CONFIG_MVIAC3_2)      += $(call cc-option,-march=c3-2,-march=i686)
-
-# AMD Elan support
-cflags-$(CONFIG_X86_ELAN)      += -march=i486
-
-# -mregparm=3 works ok on gcc-3.0 and later
-#
-GCC_VERSION                    := $(call cc-version)
-cflags-$(CONFIG_REGPARM)       += $(shell if [ $(GCC_VERSION) -ge 0300 ] ; then echo "-mregparm=3"; fi ;)
+# CPU-specific tuning. Anything which can be shared with UML should go here.
+include $(srctree)/arch/i386/Makefile.cpu
+
+cflags-$(CONFIG_REGPARM) += -mregparm=3
 
-# Disable unit-at-a-time mode, it makes gcc use a lot more stack
-# due to the lack of sharing of stacklots.
-CFLAGS += $(call cc-option,-fno-unit-at-a-time)
+# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
+# a lot more stack due to the lack of sharing of stacklots:
+CFLAGS                         += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
 
 CFLAGS += $(cflags-y)
 
@@ -112,7 +95,7 @@ drivers-$(CONFIG_OPROFILE)           += arch/i386/oprofile/
 drivers-$(CONFIG_PM)                   += arch/i386/power/
 
 CFLAGS += $(mflags-y)
-AFLAGS += $(mflags-y) -m32
+AFLAGS += $(mflags-y)
 
 boot := arch/i386/boot
 
@@ -136,17 +119,11 @@ zlilo bzlilo: vmlinux
 zdisk bzdisk: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
 
-install fdimage fdimage144 fdimage288: vmlinux
+fdimage fdimage144 fdimage288: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
 
-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)
+install:
+       $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
 
 archclean:
        $(Q)$(MAKE) $(clean)=arch/i386/boot