mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 10:01:43 +00:00
94e90f727f
For the same reason as commit 19514fc665 ("arm, kbuild: make "make
install" not depend on vmlinux"), the install targets should never
trigger the rebuild of the kernel.
The variable, CONFIGURE, is not set by anyone. Remove it as well.
Link: https://lkml.kernel.org/r/20200216144829.27023-1-masahiroy@kernel.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
180 lines
5.6 KiB
Makefile
180 lines
5.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# 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
|
|
#
|
|
# Copyright (C) 1994 by Linus Torvalds
|
|
#
|
|
|
|
LD_BFD := elf64-s390
|
|
KBUILD_LDFLAGS := -m elf64_s390
|
|
KBUILD_AFLAGS_MODULE += -fPIC
|
|
KBUILD_CFLAGS_MODULE += -fPIC
|
|
KBUILD_AFLAGS += -m64
|
|
KBUILD_CFLAGS += -m64
|
|
ifeq ($(CONFIG_RELOCATABLE),y)
|
|
KBUILD_CFLAGS += -fPIE
|
|
LDFLAGS_vmlinux := -pie
|
|
endif
|
|
aflags_dwarf := -Wa,-gdwarf-2
|
|
KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -D__ASSEMBLY__
|
|
KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
|
|
KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2
|
|
KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
|
|
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float
|
|
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
|
|
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
|
|
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
|
|
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
|
|
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
|
|
UTS_MACHINE := s390x
|
|
STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384)
|
|
CHECKFLAGS += -D__s390__ -D__s390x__
|
|
|
|
export LD_BFD
|
|
|
|
mflags-$(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
|
|
mflags-$(CONFIG_MARCH_Z14) := -march=z14
|
|
mflags-$(CONFIG_MARCH_Z15) := -march=z15
|
|
|
|
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-$(CONFIG_MARCH_Z14_TUNE) += -mtune=z14
|
|
cflags-$(CONFIG_MARCH_Z15_TUNE) += -mtune=z15
|
|
|
|
cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
|
|
|
|
#
|
|
# Prevent tail-call optimizations, to get clearer backtraces:
|
|
#
|
|
cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
|
|
|
|
ifeq ($(call cc-option-yn,-mpacked-stack -mbackchain -msoft-float),y)
|
|
cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK
|
|
aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
|
|
endif
|
|
|
|
KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y)
|
|
KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y)
|
|
|
|
ifeq ($(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=$(CONFIG_STACK_GUARD)
|
|
endif
|
|
endif
|
|
|
|
ifdef CONFIG_WARN_DYNAMIC_STACK
|
|
ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
|
|
KBUILD_CFLAGS += -mwarn-dynamicstack
|
|
KBUILD_CFLAGS_DECOMPRESSOR += -mwarn-dynamicstack
|
|
endif
|
|
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 += $(CC_FLAGS_EXPOLINE) -DCC_USING_EXPOLINE
|
|
aflags-y += -DCC_USING_EXPOLINE
|
|
endif
|
|
endif
|
|
|
|
ifdef CONFIG_FUNCTION_TRACER
|
|
ifeq ($(call cc-option-yn,-mfentry -mnop-mcount),n)
|
|
# 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
|
|
endif
|
|
|
|
# Test CFI features of binutils
|
|
cfi := $(call as-instr,.cfi_startproc\n.cfi_val_offset 15$(comma)-160\n.cfi_endproc,-DCONFIG_AS_CFI_VAL_OFFSET=1)
|
|
|
|
KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)
|
|
KBUILD_CFLAGS += -pipe -Wno-sign-compare
|
|
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables $(cfi)
|
|
KBUILD_AFLAGS += $(aflags-y) $(cfi)
|
|
export KBUILD_AFLAGS_DECOMPRESSOR
|
|
export KBUILD_CFLAGS_DECOMPRESSOR
|
|
|
|
OBJCOPYFLAGS := -O binary
|
|
|
|
head-y := arch/s390/kernel/head64.o
|
|
|
|
# See arch/s390/Kbuild for content of core part of the kernel
|
|
core-y += arch/s390/
|
|
|
|
libs-y += arch/s390/lib/
|
|
drivers-y += drivers/s390/
|
|
|
|
# must be linked after kernel
|
|
drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/
|
|
|
|
boot := arch/s390/boot
|
|
syscalls := arch/s390/kernel/syscalls
|
|
tools := arch/s390/tools
|
|
|
|
all: bzImage
|
|
|
|
#KBUILD_IMAGE is necessary for packaging targets like rpm-pkg, deb-pkg...
|
|
KBUILD_IMAGE := $(boot)/bzImage
|
|
|
|
install:
|
|
$(Q)$(MAKE) $(build)=$(boot) $@
|
|
|
|
bzImage: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
|
|
|
zfcpdump:
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
|
|
|
vdso_install:
|
|
$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
|
|
|
|
archclean:
|
|
$(Q)$(MAKE) $(clean)=$(boot)
|
|
$(Q)$(MAKE) $(clean)=$(tools)
|
|
|
|
archheaders:
|
|
$(Q)$(MAKE) $(build)=$(syscalls) uapi
|
|
|
|
archprepare:
|
|
$(Q)$(MAKE) $(build)=$(syscalls) kapi
|
|
$(Q)$(MAKE) $(build)=$(tools) kapi
|
|
|
|
# Don't use tabs in echo arguments
|
|
define archhelp
|
|
echo '* bzImage - 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
|