Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | LDFLAGS := -m elf_x86_64 |
| 25 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
Eric W. Biederman | 5ded01e | 2005-06-25 14:57:48 -0700 | [diff] [blame] | 26 | LDFLAGS_vmlinux := |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | CHECKFLAGS += -D__x86_64__ -m64 |
| 28 | |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 29 | cflags-y := |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8) |
| 31 | cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona) |
Andi Kleen | dca99a3 | 2006-03-25 16:29:06 +0100 | [diff] [blame] | 32 | cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 34 | cflags-y += -m64 |
| 35 | cflags-y += -mno-red-zone |
| 36 | cflags-y += -mcmodel=kernel |
| 37 | cflags-y += -pipe |
Arjan van de Ven | 4bdc3b7 | 2006-03-25 16:30:49 +0100 | [diff] [blame] | 38 | cflags-$(CONFIG_REORDER) += -ffunction-sections |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | # this makes reading assembly source easier, but produces worse code |
| 40 | # actually it makes the kernel smaller too. |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 41 | cflags-y += -fno-reorder-blocks |
| 42 | cflags-y += -Wno-sign-compare |
Jan Beulich | 6e0c47e | 2006-01-11 22:42:05 +0100 | [diff] [blame] | 43 | ifneq ($(CONFIG_UNWIND_INFO),y) |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 44 | cflags-y += -fno-asynchronous-unwind-tables |
Jan Beulich | 6e0c47e | 2006-01-11 22:42:05 +0100 | [diff] [blame] | 45 | endif |
| 46 | ifneq ($(CONFIG_DEBUG_INFO),y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | # -fweb shrinks the kernel a bit, but the difference is very small |
| 48 | # it also messes up debugging, so don't use it for now. |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 49 | #cflags-y += $(call cc-option,-fweb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | endif |
| 51 | # -funit-at-a-time shrinks the kernel .text considerably |
| 52 | # unfortunately it makes reading oopses harder. |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 53 | cflags-y += $(call cc-option,-funit-at-a-time) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | # prevent gcc from generating any FP code by mistake |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 55 | cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
Sam Ravnborg | bbd3aff | 2006-04-07 19:50:28 +0200 | [diff] [blame^] | 57 | CFLAGS += $(cflags-y) |
Andi Kleen | bb33421 | 2006-01-11 22:43:54 +0100 | [diff] [blame] | 58 | AFLAGS += -m64 |
| 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | head-y := arch/x86_64/kernel/head.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task.o |
| 61 | |
| 62 | libs-y += arch/x86_64/lib/ |
Andreas Steinmetz | a2a892a | 2005-07-06 13:55:00 -0700 | [diff] [blame] | 63 | core-y += arch/x86_64/kernel/ \ |
| 64 | arch/x86_64/mm/ \ |
| 65 | arch/x86_64/crypto/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | core-$(CONFIG_IA32_EMULATION) += arch/x86_64/ia32/ |
| 67 | drivers-$(CONFIG_PCI) += arch/x86_64/pci/ |
| 68 | drivers-$(CONFIG_OPROFILE) += arch/x86_64/oprofile/ |
| 69 | |
| 70 | boot := arch/x86_64/boot |
| 71 | |
Paul Smith | 4f19336 | 2006-03-05 17:14:10 -0500 | [diff] [blame] | 72 | PHONY += bzImage bzlilo install archmrproper \ |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 73 | fdimage fdimage144 fdimage288 isoimage archclean |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
| 75 | #Default target when executing "make" |
| 76 | all: bzImage |
| 77 | |
| 78 | BOOTIMAGE := arch/x86_64/boot/bzImage |
| 79 | KBUILD_IMAGE := $(BOOTIMAGE) |
| 80 | |
| 81 | bzImage: vmlinux |
| 82 | $(Q)$(MAKE) $(build)=$(boot) $(BOOTIMAGE) |
| 83 | |
| 84 | bzlilo: vmlinux |
| 85 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zlilo |
| 86 | |
| 87 | bzdisk: vmlinux |
| 88 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk |
| 89 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 90 | fdimage fdimage144 fdimage288 isoimage: vmlinux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ |
| 92 | |
H. Peter Anvin | 0d20bab | 2006-01-07 17:38:39 -0800 | [diff] [blame] | 93 | install: |
| 94 | $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ |
| 95 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | archclean: |
| 97 | $(Q)$(MAKE) $(clean)=$(boot) |
| 98 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | define archhelp |
| 100 | echo '* bzImage - Compressed kernel image (arch/$(ARCH)/boot/bzImage)' |
| 101 | echo ' install - Install kernel using' |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 102 | echo ' (your) ~/bin/installkernel or' |
| 103 | echo ' (distribution) /sbin/installkernel or' |
| 104 | echo ' install to $$(INSTALL_PATH) and run lilo' |
| 105 | echo ' bzdisk - Create a boot floppy in /dev/fd0' |
| 106 | echo ' fdimage - Create a boot floppy image' |
| 107 | echo ' isoimage - Create a boot CD-ROM image' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | endef |
| 109 | |
H. Peter Anvin | 841b8a4 | 2006-03-26 01:36:59 -0800 | [diff] [blame] | 110 | CLEAN_FILES += arch/$(ARCH)/boot/fdimage \ |
| 111 | arch/$(ARCH)/boot/image.iso \ |
| 112 | arch/$(ARCH)/boot/mtools.conf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | |
| 114 | |