Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 2 | # s390/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 | |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 16 | ifndef CONFIG_64BIT |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 17 | LD_BFD := elf32-s390 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | LDFLAGS := -m elf_s390 |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 19 | KBUILD_CFLAGS += -m31 |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 20 | KBUILD_AFLAGS += -m31 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | UTS_MACHINE := s390 |
| 22 | STACK_SIZE := 8192 |
Al Viro | 22bb3e9 | 2007-07-15 21:00:41 +0100 | [diff] [blame] | 23 | CHECKFLAGS += -D__s390__ -msize-long |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 24 | else |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 25 | LD_BFD := elf64-s390 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | LDFLAGS := -m elf64_s390 |
Martin Schwidefsky | 7bdc229 | 2013-01-11 15:26:01 +0100 | [diff] [blame] | 27 | KBUILD_AFLAGS_MODULE += -fPIC |
| 28 | KBUILD_CFLAGS_MODULE += -fPIC |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 29 | KBUILD_CFLAGS += -m64 |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 30 | KBUILD_AFLAGS += -m64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | UTS_MACHINE := s390x |
| 32 | STACK_SIZE := 16384 |
viro@ZenIV.linux.org.uk | d310a35a | 2005-09-09 16:56:05 +0100 | [diff] [blame] | 33 | CHECKFLAGS += -D__s390__ -D__s390x__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | endif |
| 35 | |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 36 | export LD_BFD |
| 37 | |
Heiko Carstens | 0f1b1ff | 2014-08-14 16:06:02 +0200 | [diff] [blame^] | 38 | mflags-$(CONFIG_MARCH_G5) := -march=g5 |
| 39 | mflags-$(CONFIG_MARCH_Z900) := -march=z900 |
| 40 | mflags-$(CONFIG_MARCH_Z990) := -march=z990 |
| 41 | mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109 |
| 42 | mflags-$(CONFIG_MARCH_Z10) := -march=z10 |
| 43 | mflags-$(CONFIG_MARCH_Z196) := -march=z196 |
| 44 | mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12 |
| 45 | |
| 46 | aflags-y += $(mflags-y) |
| 47 | cflags-y += $(mflags-y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Heiko Carstens | 1db9e05 | 2013-10-30 12:12:50 +0100 | [diff] [blame] | 49 | cflags-$(CONFIG_MARCH_G5_TUNE) += -mtune=g5 |
| 50 | cflags-$(CONFIG_MARCH_Z900_TUNE) += -mtune=z900 |
| 51 | cflags-$(CONFIG_MARCH_Z990_TUNE) += -mtune=z990 |
| 52 | cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109 |
| 53 | cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10 |
| 54 | cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196 |
| 55 | cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12 |
| 56 | |
Christian Borntraeger | 1681ced | 2006-12-04 15:40:49 +0100 | [diff] [blame] | 57 | #KBUILD_IMAGE is necessary for make rpm |
| 58 | KBUILD_IMAGE :=arch/s390/boot/image |
| 59 | |
Heiko Carstens | cbbd1fa | 2006-07-03 00:24:38 -0700 | [diff] [blame] | 60 | # |
| 61 | # Prevent tail-call optimizations, to get clearer backtraces: |
| 62 | # |
| 63 | cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls |
| 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | # old style option for packed stacks |
| 66 | ifeq ($(call cc-option-yn,-mkernel-backchain),y) |
| 67 | cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK |
| 68 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | endif |
| 70 | |
| 71 | # new style option for packed stacks |
| 72 | ifeq ($(call cc-option-yn,-mpacked-stack),y) |
| 73 | cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK |
| 74 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | endif |
| 76 | |
| 77 | ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) |
| 78 | cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) |
Martin Schwidefsky | be79628 | 2007-04-27 16:01:46 +0200 | [diff] [blame] | 79 | ifneq ($(call cc-option-yn,-mstack-size=8192),y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) |
| 81 | endif |
Martin Schwidefsky | be79628 | 2007-04-27 16:01:46 +0200 | [diff] [blame] | 82 | endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) |
Jan Glauber | 2c190da | 2011-03-15 17:08:19 +0100 | [diff] [blame] | 85 | cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | endif |
| 87 | |
Sam Ravnborg | a0f97e0 | 2007-10-14 22:21:35 +0200 | [diff] [blame] | 88 | KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) |
| 89 | KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare |
Sam Ravnborg | 222d394 | 2007-10-15 21:59:31 +0200 | [diff] [blame] | 90 | KBUILD_AFLAGS += $(aflags-y) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
| 92 | OBJCOPYFLAGS := -O binary |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 94 | head-y := arch/s390/kernel/head.o |
| 95 | head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
Heiko Carstens | 0148594 | 2010-10-25 16:10:09 +0200 | [diff] [blame] | 97 | # See arch/s390/Kbuild for content of core part of the kernel |
| 98 | core-y += arch/s390/ |
Hans-Joachim Picht | 155af2f | 2009-06-16 10:30:52 +0200 | [diff] [blame] | 99 | |
Michael Holzheu | 4562c9f | 2007-02-21 10:55:46 +0100 | [diff] [blame] | 100 | libs-y += arch/s390/lib/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | drivers-y += drivers/s390/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | |
| 103 | # must be linked after kernel |
| 104 | drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ |
| 105 | |
Michael Holzheu | 4562c9f | 2007-02-21 10:55:46 +0100 | [diff] [blame] | 106 | boot := arch/s390/boot |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 108 | all: image bzImage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | |
| 110 | install: vmlinux |
| 111 | $(Q)$(MAKE) $(build)=$(boot) $@ |
| 112 | |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 113 | image bzImage: vmlinux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| 115 | |
Michael Holzheu | 411ed32 | 2007-04-27 16:01:49 +0200 | [diff] [blame] | 116 | zfcpdump: |
| 117 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
| 118 | |
Hendrik Brueckner | f3cb31e | 2010-05-17 10:00:09 +0200 | [diff] [blame] | 119 | vdso_install: |
| 120 | ifeq ($(CONFIG_64BIT),y) |
| 121 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ |
| 122 | endif |
| 123 | $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ |
| 124 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | archclean: |
| 126 | $(Q)$(MAKE) $(clean)=$(boot) |
| 127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | # Don't use tabs in echo arguments |
| 129 | define archhelp |
| 130 | echo '* image - Kernel image for IPL ($(boot)/image)' |
Martin Schwidefsky | 1844c9b | 2010-02-26 22:37:53 +0100 | [diff] [blame] | 131 | echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | endef |