11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# s390/Makefile 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# This file is included by the global makefile so that you can add your own 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# architecture-specific flags and dependencies. Remember to do have actions 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# for "archclean" and "archdep" for cleaning up and making dependencies for 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# this architecture 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# This file is subject to the terms and conditions of the GNU General Public 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# License. See the file "COPYING" in the main directory of this archive 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# for more details. 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# Copyright (C) 1994 by Linus Torvalds 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16347a8dc3b815f0c0fa62a1df075184ffe4cbdcf1Martin Schwidefskyifndef CONFIG_64BIT 171844c9bc0b2fed3023551c1affe033ab38e90b9aMartin SchwidefskyLD_BFD := elf32-s390 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsLDFLAGS := -m elf_s390 19a0f97e06a43cf524e616f09e6af3398e1e9c1c5bSam RavnborgKBUILD_CFLAGS += -m31 20222d394d30e74bb7a2a65029fcea68107b0d0eb6Sam RavnborgKBUILD_AFLAGS += -m31 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsUTS_MACHINE := s390 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsSTACK_SIZE := 8192 2322bb3e9e24e08a59efcb49943609ae88b6f628d0Al ViroCHECKFLAGS += -D__s390__ -msize-long 24347a8dc3b815f0c0fa62a1df075184ffe4cbdcf1Martin Schwidefskyelse 251844c9bc0b2fed3023551c1affe033ab38e90b9aMartin SchwidefskyLD_BFD := elf64-s390 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsLDFLAGS := -m elf64_s390 276588169d516560f68672e2928680b71c647b7806Sam RavnborgKBUILD_AFLAGS_MODULE += -fpic -D__PIC__ 286588169d516560f68672e2928680b71c647b7806Sam RavnborgKBUILD_CFLAGS_MODULE += -fpic -D__PIC__ 29a0f97e06a43cf524e616f09e6af3398e1e9c1c5bSam RavnborgKBUILD_CFLAGS += -m64 30222d394d30e74bb7a2a65029fcea68107b0d0eb6Sam RavnborgKBUILD_AFLAGS += -m64 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsUTS_MACHINE := s390x 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsSTACK_SIZE := 16384 33d310a35a487388859432648daa2ea4fc5e51c049Al ViroCHECKFLAGS += -D__s390__ -D__s390x__ 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyexport LD_BFD 371844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefsky 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) 410efa470363699ecba49e67cc3c75f46b300f98a4Christian Borntraegercflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109) 42e37f50e1811d68170e4d58a087cf634b2bf1cef9Martin Schwidefskycflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10) 43f861e4057263033ad9134bfd6745f91b2165b351Heiko Carstenscflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196) 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451681cedaee9f8dcb59d499a9277bc3a190a2378dChristian Borntraeger#KBUILD_IMAGE is necessary for make rpm 461681cedaee9f8dcb59d499a9277bc3a190a2378dChristian BorntraegerKBUILD_IMAGE :=arch/s390/boot/image 471681cedaee9f8dcb59d499a9277bc3a190a2378dChristian Borntraeger 48cbbd1fa72d22896332301ca7e6b7164284be105cHeiko Carstens# 49cbbd1fa72d22896332301ca7e6b7164284be105cHeiko Carstens# Prevent tail-call optimizations, to get clearer backtraces: 50cbbd1fa72d22896332301ca7e6b7164284be105cHeiko Carstens# 51cbbd1fa72d22896332301ca7e6b7164284be105cHeiko Carstenscflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls 52cbbd1fa72d22896332301ca7e6b7164284be105cHeiko Carstens 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# old style option for packed stacks 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifeq ($(call cc-option-yn,-mkernel-backchain),y) 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsaflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsaflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifdef CONFIG_SMALL_STACK 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsSTACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# new style option for packed stacks 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifeq ($(call cc-option-yn,-mpacked-stack),y) 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsaflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsaflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifdef CONFIG_SMALL_STACK 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsSTACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) 77be7962856d299a0f231ac36f89f4a89cbecfe0ffMartin Schwidefskyifneq ($(call cc-option-yn,-mstack-size=8192),y) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 80be7962856d299a0f231ac36f89f4a89cbecfe0ffMartin Schwidefskyendif 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) 832c190da477c9ab167f5bb37414d99ef2063b388aJan Glaubercflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendif 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 86a0f97e06a43cf524e616f09e6af3398e1e9c1c5bSam RavnborgKBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y) 87a0f97e06a43cf524e616f09e6af3398e1e9c1c5bSam RavnborgKBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare 88222d394d30e74bb7a2a65029fcea68107b0d0eb6Sam RavnborgKBUILD_AFLAGS += $(aflags-y) 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsOBJCOPYFLAGS := -O binary 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyhead-y := arch/s390/kernel/head.o 931844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyhead-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) 941844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyhead-y += arch/s390/kernel/init_task.o 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 96014859430ba72ffeb363a4acd2200851765fe6deHeiko Carstens# See arch/s390/Kbuild for content of core part of the kernel 97014859430ba72ffeb363a4acd2200851765fe6deHeiko Carstenscore-y += arch/s390/ 98155af2f95f905c830688dd0ca7c7cac4107334fdHans-Joachim Picht 994562c9fffc3f8fca99f22671ad497aedd1737a5eMichael Holzheulibs-y += arch/s390/lib/ 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdrivers-y += drivers/s390/ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# must be linked after kernel 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdrivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1054562c9fffc3f8fca99f22671ad497aedd1737a5eMichael Holzheuboot := arch/s390/boot 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyall: image bzImage 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsinstall: vmlinux 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds $(Q)$(MAKE) $(build)=$(boot) $@ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefskyimage bzImage: vmlinux 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 115411ed3225733dbd83b4cbaaa992ef80d6ec1534eMichael Holzheuzfcpdump: 116411ed3225733dbd83b4cbaaa992ef80d6ec1534eMichael Holzheu $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ 117411ed3225733dbd83b4cbaaa992ef80d6ec1534eMichael Holzheu 118f3cb31e495668eae568c584c666631e26c68bdeaHendrik Bruecknervdso_install: 119f3cb31e495668eae568c584c666631e26c68bdeaHendrik Bruecknerifeq ($(CONFIG_64BIT),y) 120f3cb31e495668eae568c584c666631e26c68bdeaHendrik Brueckner $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ 121f3cb31e495668eae568c584c666631e26c68bdeaHendrik Bruecknerendif 122f3cb31e495668eae568c584c666631e26c68bdeaHendrik Brueckner $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ 123f3cb31e495668eae568c584c666631e26c68bdeaHendrik Brueckner 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsarchclean: 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds $(Q)$(MAKE) $(clean)=$(boot) 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds# Don't use tabs in echo arguments 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdefine archhelp 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds echo '* image - Kernel image for IPL ($(boot)/image)' 1301844c9bc0b2fed3023551c1affe033ab38e90b9aMartin Schwidefsky echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)' 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsendef 132