projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | # |
| 2 | # x86_64/Makefile | |
| 3 | # | |
| 4 | # This file is included by the global makefile so that you can add your own | |
| 5 | # architecture-specific flags and dependencies. Remember to do have actions | |
| 6 | # for "archclean" and "archdep" for cleaning up and making dependencies for | |
| 7 | # this architecture | |
| 8 | # | |
| 9 | # This file is subject to the terms and conditions of the GNU General Public | |
| 10 | # License. See the file "COPYING" in the main directory of this archive | |
| 11 | # for more details. | |
| 12 | # | |
| 13 | # Copyright (C) 1994 by Linus Torvalds | |
| 14 | # | |
| 15 | # 19990713 Artur Skawina <skawina@geocities.com> | |
| 16 | # Added '-march' and '-mpreferred-stack-boundary' support | |
| 17 | # 20000913 Pavel Machek <pavel@suse.cz> | |
| 18 | # Converted for x86_64 architecture | |
| 19 | # 20010105 Andi Kleen, add IA32 compiler. | |
| 20 | # ....and later removed it again.... | |
| 21 | # | |
| 22 | # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $ | |
| 23 | ||
| 24 | # | |
| 25 | # early bootup linking needs 32bit. You can either use real 32bit tools | |
| 26 | # here or 64bit tools in 32bit mode. | |
| 27 | # | |
| 28 | IA32_CC := $(CC) $(CPPFLAGS) -m32 -O2 -fomit-frame-pointer | |
| 29 | IA32_LD := $(LD) -m elf_i386 | |
| 30 | IA32_AS := $(CC) $(AFLAGS) -m32 -Wa,--32 -traditional -c | |
| 31 | IA32_OBJCOPY := $(CROSS_COMPILE)objcopy | |
| 32 | IA32_CPP := $(CROSS_COMPILE)gcc -m32 -E | |
| 33 | export IA32_CC IA32_LD IA32_AS IA32_OBJCOPY IA32_CPP | |
| 34 | ||
| 35 | ||
| 36 | LDFLAGS := -m elf_x86_64 | |
| 37 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | |
| 38 | LDFLAGS_vmlinux := -e stext | |
| 39 | ||
| 40 | CHECKFLAGS += -D__x86_64__ -m64 | |
| 41 | ||
| 42 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) | |
| 43 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) | |
| 44 | CFLAGS += $(cflags-y) | |
| 45 | ||
| 46 | CFLAGS += -mno-red-zone | |
| 47 | CFLAGS += -mcmodel=kernel | |
| 48 | CFLAGS += -pipe | |
| 49 | # this makes reading assembly source easier, but produces worse code | |
| 50 | # actually it makes the kernel smaller too. | |
| 51 | CFLAGS += -fno-reorder-blocks | |
| 52 | CFLAGS += -Wno-sign-compare | |
| 53 | ifneq ($(CONFIG_DEBUG_INFO),y) | |
| 54 | CFLAGS += -fno-asynchronous-unwind-tables | |
| 55 | # -fweb shrinks the kernel a bit, but the difference is very small | |
| 56 | # it also messes up debugging, so don't use it for now. | |
| 57 | #CFLAGS += $(call cc-option,-fweb) | |
| 58 | endif | |
| 59 | # -funit-at-a-time shrinks the kernel .text considerably | |
| 60 | # unfortunately it makes reading oopses harder. | |
| 61 | CFLAGS += $(call cc-option,-funit-at-a-time) | |
| 62 | # prevent gcc from generating any FP code by mistake | |
| 63 | CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) | |
| 64 | ||
| 65 | head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o | |
| 66 | ||
| 67 | libs-y += arch/x86_64/lib/ | |
| 68 | core-y += arch/x86_64/kernel/ arch/x86_64/mm/ | |
| 69 | core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ | |
| 70 | drivers-$(CONFIG_PCI) += arch/x86_64/pci/ | |
| 71 | drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ | |
| 72 | ||
| 73 | boot := arch/x86_64/boot | |
| 74 | ||
| 75 | .PHONY: bzImage bzlilo install archmrproper \ | |
| 76 | fdimage fdimage144 fdimage288 archclean | |
| 77 | ||
| 78 | #Default target when executing "make" | |
| 79 | all: bzImage | |
| 80 | ||
| 81 | BOOTIMAGE := arch/x86_64/boot/bzImage | |
| 82 | KBUILD_IMAGE := $(BOOTIMAGE) | |
| 83 | ||
| 84 | bzImage: vmlinux | |
| 85 | $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) | |
| 86 | ||
| 87 | bzlilo: vmlinux | |
| 88 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo | |
| 89 | ||
| 90 | bzdisk: vmlinux | |
| 91 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk | |
| 92 | ||
| 93 | install fdimage fdimage144 fdimage288: vmlinux | |
| 94 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ | |
| 95 | ||
| 96 | archclean: | |
| 97 | $(Q)$(MAKE) $(clean)=$(boot) | |
| 98 | ||
| 99 | prepare: include/asm-$(ARCH)/offset.h | |
| 100 | ||
| 101 | arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \ | |
| 102 | include/config/MARKER | |
| 103 | ||
| 104 | include/asm-$(ARCH)/offset.h: arch/$(ARCH)/kernel/asm-offsets.s | |
| 105 | $(call filechk,gen-asm-offsets) | |
| 106 | ||
| 107 | CLEAN_FILES += include/asm-$(ARCH)/offset.h | |
| 108 | ||
| 109 | define archhelp | |
| 110 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' | |
| 111 | echo ' install - Install kernel using' | |
| 112 | echo ' (your) ~/bin/installkernel or' | |
| 113 | echo ' (distribution) /sbin/installkernel or' | |
| 114 | echo ' install to $$(INSTALL_PATH) and run lilo' | |
| 115 | endef | |
| 116 | ||
| 117 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf | |
| 118 | ||
| 119 |