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#

# x86_64/Makefile

#

# This file is included by the global makefile so that you can add your own

# architecture-specific flags and dependencies. Remember to do have actions

# for "archclean" and "archdep" for cleaning up and making dependencies for

# this architecture

#

# This file is subject to the terms and conditions of the GNU General Public

# License.  See the file "COPYING" in the main directory of this archive

# for more details.

#

# Copyright (C) 1994 by Linus Torvalds

#

# 19990713  Artur Skawina 

#           Added '-march' and '-mpreferred-stack-boundary' support

# 20000913  Pavel Machek 

#           Converted for x86_64 architecture

# 20010105  Andi Kleen, add IA32 compiler.

#           ....and later removed it again....

#

# $Id: Makefile,v 1.1.1.1 2004-04-15 01:36:24 phoenix Exp $

#

# early bootup linking needs 32bit. You can either use real 32bit tools

# here or 64bit tools switch to 32bit mode.

#

IA32_CC := $(CROSS_COMPILE)gcc -m32 -O2 -fomit-frame-pointer -nostdinc -I $(HPATH)

IA32_LD := $(CROSS_COMPILE)ld -m elf_i386

IA32_AS := $(CROSS_COMPILE)gcc -m32 -Wa,--32 -D__ASSEMBLY__ -traditional -c -nostdinc -I $(HPATH)

IA32_OBJCOPY := $(CROSS_COMPILE)objcopy

IA32_CPP := $(CROSS_COMPILE)gcc -m32 -E

export IA32_CC IA32_LD IA32_AS IA32_OBJCOPY IA32_CPP

LD=$(CROSS_COMPILE)ld -m elf_x86_64

OBJCOPY=$(CROSS_COMPILE)objcopy -O binary -R .note -R .comment -S

LDFLAGS=-e stext

LINKFLAGS =-T $(TOPDIR)/arch/x86_64/vmlinux.lds $(LDFLAGS)

check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1 ; then echo "$(1)"; else echo "$(2)"; fi)

CFLAGS += -mno-red-zone

CFLAGS += -mcmodel=kernel

CFLAGS += -pipe

CFLAGS += -fno-reorder-blocks

# needed for later gcc 3.1

CFLAGS += -finline-limit=2000

# needed for earlier gcc 3.1

CFLAGS += -fno-strength-reduce

CFLAGS += -Wno-sign-compare

#CFLAGS += -g

ifneq ($(CONFIG_X86_REMOTE_DEBUG),y)

CFLAGS += -fno-asynchronous-unwind-tables

endif

# this is needed right now for the 32bit ioctl code

CFLAGS += $(call check_gcc,-fno-unit-at-a-time,)

ifdef CONFIG_MK8

CFLAGS += $(call check_gcc,-march=k8,)

endif

ifdef CONFIG_MPSC

CFLAGS += $(call check_gcc,-march=nocona,)

endif

HEAD := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o

SUBDIRS := arch/x86_64/tools $(SUBDIRS) arch/x86_64/kernel arch/x86_64/mm arch/x86_64/lib

CORE_FILES := arch/x86_64/kernel/kernel.o $(CORE_FILES)

CORE_FILES +=  arch/x86_64/mm/mm.o

LIBS := $(TOPDIR)/arch/x86_64/lib/lib.a $(LIBS)

ifdef CONFIG_IA32_EMULATION

SUBDIRS += arch/x86_64/ia32

CORE_FILES += arch/x86_64/ia32/ia32.o

endif

ifdef CONFIG_HOSTFS

SUBDIRS += arch/x86_64/hostfs

core-$(CONFIG_HOSTFS) += arch/x86_64/hostfs/hostfs.o

endif

CORE_FILES += $(core-y)

arch/x86_64/tools: dummy

        $(MAKE) linuxsubdirs SUBDIRS=arch/x86_64/tools

arch/x86_64/kernel: dummy

        $(MAKE) linuxsubdirs SUBDIRS=arch/x86_64/kernel

arch/x86_64/mm: dummy

        $(MAKE) linuxsubdirs SUBDIRS=arch/x86_64/mm

MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot

vmlinux: arch/x86_64/vmlinux.lds

FORCE: ;

.PHONY: zImage bzImage compressed zlilo bzlilo zdisk bzdisk install \

                clean archclean archmrproper archdep checkoffset

checkoffset: FORCE

        make -C arch/$(ARCH)/tools $(TOPDIR)/include/asm-x86_64/offset.h

bzImage: checkoffset vmlinux

        @$(MAKEBOOT) bzImage

bzImage-padded: checkoffset vmlinux

        @$(MAKEBOOT) bzImage-padded

tmp:

        @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo

bzlilo: checkoffset vmlinux

        @$(MAKEBOOT) BOOTIMAGE=bzImage zlilo

bzdisk: checkoffset vmlinux

        @$(MAKEBOOT) BOOTIMAGE=bzImage zdisk

install: checkoffset vmlinux

        @$(MAKEBOOT) BOOTIMAGE=bzImage install

archclean:

        @$(MAKEBOOT) clean

        @$(MAKE) -C $(TOPDIR)/arch/x86_64/tools clean

archmrproper:

        rm -f $(TOPDIR)/arch/x86_64/tools/offset.h

        rm -f $(TOPDIR)/arch/x86_64/tools/offset.tmp

        rm -f $(TOPDIR)/include/asm-x86_64/offset.h

archdep:

        @$(MAKE) -C $(TOPDIR)/arch/x86_64/tools all

        @$(MAKEBOOT) dep