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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 <skawina@geocities.com>
# Added '-march' and '-mpreferred-stack-boundary' support
# 20000913 Pavel Machek <pavel@suse.cz>
# Converted for x86_64 architecture
# 20010105 Andi Kleen, add IA32 compiler.
# ....and later removed it again....
#
# $Id: Makefile,v 1.1.1.4 2003/10/14 08:07:51 sparq 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)
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 += -g
# prevent gcc from keeping the stack 16 byte aligned (FIXME)
#CFLAGS += -mpreferred-stack-boundary=2
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
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