154 lines
4.4 KiB
Makefile
154 lines
4.4 KiB
Makefile
|
#
|
||
|
|
# s390/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
|
||
|
|
#
|
||
|
|
|
||
|
|
LD_BFD := elf64-s390
|
||
|
|
LDFLAGS := -m elf64_s390
|
||
|
|
KBUILD_AFLAGS_MODULE += -fPIC
|
||
|
|
KBUILD_CFLAGS_MODULE += -fPIC
|
||
|
|
KBUILD_CFLAGS += -m64
|
||
|
|
KBUILD_AFLAGS += -m64
|
||
|
|
UTS_MACHINE := s390x
|
||
|
|
STACK_SIZE := 16384
|
||
|
|
CHECKFLAGS += -D__s390__ -D__s390x__
|
||
|
|
|
||
|
|
export LD_BFD
|
||
|
|
|
||
|
|
mflags-$(CONFIG_MARCH_Z900) := -march=z900
|
||
|
|
mflags-$(CONFIG_MARCH_Z990) := -march=z990
|
||
|
|
mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109
|
||
|
|
mflags-$(CONFIG_MARCH_Z10) := -march=z10
|
||
|
|
mflags-$(CONFIG_MARCH_Z196) := -march=z196
|
||
|
|
mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12
|
||
|
|
mflags-$(CONFIG_MARCH_Z13) := -march=z13
|
||
|
|
|
||
|
|
export CC_FLAGS_MARCH := $(mflags-y)
|
||
|
|
|
||
|
|
aflags-y += $(mflags-y)
|
||
|
|
cflags-y += $(mflags-y)
|
||
|
|
|
||
|
|
cflags-$(CONFIG_MARCH_Z900_TUNE) += -mtune=z900
|
||
|
|
cflags-$(CONFIG_MARCH_Z990_TUNE) += -mtune=z990
|
||
|
|
cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109
|
||
|
|
cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10
|
||
|
|
cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196
|
||
|
|
cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12
|
||
|
|
cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13
|
||
|
|
|
||
|
|
cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
|
||
|
|
|
||
|
|
#KBUILD_IMAGE is necessary for make rpm
|
||
|
|
KBUILD_IMAGE :=arch/s390/boot/image
|
||
|
|
|
||
|
|
#
|
||
|
|
# Prevent tail-call optimizations, to get clearer backtraces:
|
||
|
|
#
|
||
|
|
cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
|
||
|
|
|
||
|
|
# old style option for packed stacks
|
||
|
|
ifeq ($(call cc-option-yn,-mkernel-backchain),y)
|
||
|
|
cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK
|
||
|
|
aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
|
||
|
|
endif
|
||
|
|
|
||
|
|
# new style option for packed stacks
|
||
|
|
ifeq ($(call cc-option-yn,-mpacked-stack),y)
|
||
|
|
cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK
|
||
|
|
aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y)
|
||
|
|
cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE)
|
||
|
|
ifneq ($(call cc-option-yn,-mstack-size=8192),y)
|
||
|
|
cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
|
||
|
|
cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifdef CONFIG_EXPOLINE
|
||
|
|
ifeq ($(call cc-option-yn,$(CC_FLAGS_MARCH) -mindirect-branch=thunk),y)
|
||
|
|
CC_FLAGS_EXPOLINE := -mindirect-branch=thunk
|
||
|
|
CC_FLAGS_EXPOLINE += -mfunction-return=thunk
|
||
|
|
CC_FLAGS_EXPOLINE += -mindirect-branch-table
|
||
|
|
export CC_FLAGS_EXPOLINE
|
||
|
|
cflags-y += $(CC_FLAGS_EXPOLINE) -DCC_USING_EXPOLINE
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifdef CONFIG_FUNCTION_TRACER
|
||
|
|
# make use of hotpatch feature if the compiler supports it
|
||
|
|
cc_hotpatch := -mhotpatch=0,3
|
||
|
|
ifeq ($(call cc-option-yn,$(cc_hotpatch)),y)
|
||
|
|
CC_FLAGS_FTRACE := $(cc_hotpatch)
|
||
|
|
KBUILD_AFLAGS += -DCC_USING_HOTPATCH
|
||
|
|
KBUILD_CFLAGS += -DCC_USING_HOTPATCH
|
||
|
|
endif
|
||
|
|
endif
|
||
|
|
|
||
|
|
KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)
|
||
|
|
KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare
|
||
|
|
KBUILD_AFLAGS += $(aflags-y)
|
||
|
|
|
||
|
|
OBJCOPYFLAGS := -O binary
|
||
|
|
|
||
|
|
head-y := arch/s390/kernel/head.o
|
||
|
|
head-y += arch/s390/kernel/head64.o
|
||
|
|
|
||
|
|
# See arch/s390/Kbuild for content of core part of the kernel
|
||
|
|
core-y += arch/s390/
|
||
|
|
|
||
|
|
libs-y += arch/s390/lib/
|
||
|
|
drivers-y += drivers/s390/
|
||
|
|
|
||
|
|
# must be linked after kernel
|
||
|
|
drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/
|
||
|
|
|
||
|
|
boot := arch/s390/boot
|
||
|
|
tools := arch/s390/tools
|
||
|
|
|
||
|
|
all: image bzImage
|
||
|
|
|
||
|
|
install: vmlinux
|
||
|
|
$(Q)$(MAKE) $(build)=$(boot) $@
|
||
|
|
|
||
|
|
image bzImage: vmlinux
|
||
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
||
|
|
|
||
|
|
zfcpdump:
|
||
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
||
|
|
|
||
|
|
vdso_install:
|
||
|
|
$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
|
||
|
|
$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
|
||
|
|
|
||
|
|
archclean:
|
||
|
|
$(Q)$(MAKE) $(clean)=$(boot)
|
||
|
|
$(Q)$(MAKE) $(clean)=$(tools)
|
||
|
|
|
||
|
|
archprepare:
|
||
|
|
$(Q)$(MAKE) $(build)=$(tools) include/generated/facilities.h
|
||
|
|
|
||
|
|
# Don't use tabs in echo arguments
|
||
|
|
define archhelp
|
||
|
|
echo '* image - Kernel image for IPL ($(boot)/image)'
|
||
|
|
echo '* bzImage - Compressed kernel image for IPL ($(boot)/bzImage)'
|
||
|
|
echo ' install - Install kernel using'
|
||
|
|
echo ' (your) ~/bin/$(INSTALLKERNEL) or'
|
||
|
|
echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
|
||
|
|
echo ' install to $$(INSTALL_PATH)'
|
||
|
|
endef
|