Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / arch / i386 / Makefile
index 1c36ca3..94e0faf 100644 (file)
 # 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
+CFLAGS += -pipe -msoft-float -fno-builtin-sprintf -fno-builtin-log2 -fno-builtin-puts 
 
 # prevent gcc from keeping the stack 16 byte aligned
 CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
 
-align := $(cc-option-align)
-cflags-$(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)    += -march=i686 $(call cc-option,-mtune=pentium2)
-cflags-$(CONFIG_MPENTIUMIII)   += -march=i686 $(call cc-option,-mtune=pentium3)
-cflags-$(CONFIG_MPENTIUMM)     += -march=i686 $(call cc-option,-mtune=pentium3)
-cflags-$(CONFIG_MPENTIUM4)     += -march=i686 $(call cc-option,-mtune=pentium4)
-cflags-$(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_MEFFICEON)     += -march=i686 $(call cc-option,-mtune=pentium3) $(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
-
-# Geode GX1 support
-cflags-$(CONFIG_MGEODEGX1)             += $(call cc-option,-march=pentium-mmx,-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
+
+# temporary until string.h is fixed
+cflags-y += -ffreestanding
 
-# 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)
 
@@ -122,8 +102,8 @@ AFLAGS += $(mflags-y)
 
 boot := arch/i386/boot
 
-.PHONY: zImage bzImage compressed zlilo bzlilo \
-       zdisk bzdisk fdimage fdimage144 fdimage288 install kernel_install
+PHONY += zImage bzImage compressed zlilo bzlilo \
+         zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
 
 all: bzImage
 
@@ -142,22 +122,12 @@ zlilo bzlilo: vmlinux
 zdisk bzdisk: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) zdisk
 
-fdimage fdimage144 fdimage288: vmlinux
+fdimage fdimage144 fdimage288 isoimage: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
 
-install: vmlinux
-install kernel_install:
+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
 
@@ -169,6 +139,9 @@ define archhelp
   echo  '                 install to $$(INSTALL_PATH) and run lilo'
   echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
   echo  '  fdimage      - Create a boot floppy image'
+  echo  '  isoimage     - Create a boot CD-ROM image'
 endef
 
-CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
+CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
+              arch/$(ARCH)/boot/image.iso \
+              arch/$(ARCH)/boot/mtools.conf