summaryrefslogtreecommitdiff
path: root/arch/s390/Makefile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/Makefile')
-rw-r--r--arch/s390/Makefile49
1 files changed, 20 insertions, 29 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index a53a36ee0731..d78ad6885ca2 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -14,15 +14,18 @@ KBUILD_AFLAGS_MODULE += -fPIC
KBUILD_CFLAGS_MODULE += -fPIC
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64
-KBUILD_CFLAGS += -fPIE
-LDFLAGS_vmlinux := -pie
+KBUILD_CFLAGS += -fPIC
+LDFLAGS_vmlinux := $(call ld-option,-no-pie)
+extra_tools := relocs
aflags_dwarf := -Wa,-gdwarf-2
KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -D__ASSEMBLY__
ifndef CONFIG_AS_IS_LLVM
KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
endif
-KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -mpacked-stack
+KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -mpacked-stack -std=gnu11 -fms-extensions
KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
+KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR
+KBUILD_CFLAGS_DECOMPRESSOR += -Wno-pointer-sign
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding
@@ -32,9 +35,10 @@ KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-membe
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_NO_ARRAY_BOUNDS),-Wno-array-bounds)
+KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_IS_CLANG),-Wno-microsoft-anon-tag)
UTS_MACHINE := s390x
-STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384)
+STACK_SIZE := $(if $(CONFIG_KASAN),65536,$(if $(CONFIG_KMSAN),65536,16384))
CHECKFLAGS += -D__s390__ -D__s390x__
export LD_BFD
@@ -46,6 +50,7 @@ mflags-$(CONFIG_MARCH_Z13) := -march=z13
mflags-$(CONFIG_MARCH_Z14) := -march=z14
mflags-$(CONFIG_MARCH_Z15) := -march=z15
mflags-$(CONFIG_MARCH_Z16) := -march=z16
+mflags-$(CONFIG_MARCH_Z17) := -march=z17
export CC_FLAGS_MARCH := $(mflags-y)
@@ -59,6 +64,7 @@ cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13
cflags-$(CONFIG_MARCH_Z14_TUNE) += -mtune=z14
cflags-$(CONFIG_MARCH_Z15_TUNE) += -mtune=z15
cflags-$(CONFIG_MARCH_Z16_TUNE) += -mtune=z16
+cflags-$(CONFIG_MARCH_Z17_TUNE) += -mtune=z17
cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
@@ -70,18 +76,8 @@ cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
KBUILD_AFLAGS_DECOMPRESSOR += $(aflags-y)
KBUILD_CFLAGS_DECOMPRESSOR += $(cflags-y)
-ifneq ($(call cc-option,-mstack-size=8192 -mstack-guard=128),)
- CC_FLAGS_CHECK_STACK := -mstack-size=$(STACK_SIZE)
- ifeq ($(call cc-option,-mstack-size=8192),)
- CC_FLAGS_CHECK_STACK += -mstack-guard=$(CONFIG_STACK_GUARD)
- endif
- export CC_FLAGS_CHECK_STACK
- cflags-$(CONFIG_CHECK_STACK) += $(CC_FLAGS_CHECK_STACK)
-endif
-
ifdef CONFIG_EXPOLINE
ifdef CONFIG_EXPOLINE_EXTERN
- KBUILD_LDFLAGS_MODULE += arch/s390/lib/expoline/expoline.o
CC_FLAGS_EXPOLINE := -mindirect-branch=thunk-extern
CC_FLAGS_EXPOLINE += -mfunction-return=thunk-extern
else
@@ -94,6 +90,10 @@ ifdef CONFIG_EXPOLINE
aflags-y += -DCC_USING_EXPOLINE
endif
+ifeq ($(CONFIG_STACKPROTECTOR),y)
+ KBUILD_CFLAGS += -mstack-protector-guard=global -mstack-protector-guard-record
+endif
+
ifdef CONFIG_FUNCTION_TRACER
ifeq ($(call cc-option,-mfentry -mnop-mcount),)
# make use of hotpatch feature if the compiler supports it
@@ -138,15 +138,11 @@ bzImage: vmlinux
zfcpdump:
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
-vdso_install:
- $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
-
archheaders:
- $(Q)$(MAKE) $(build)=$(syscalls) uapi
+ $(Q)$(MAKE) $(build)=$(syscalls) all
archprepare:
- $(Q)$(MAKE) $(build)=$(syscalls) kapi
- $(Q)$(MAKE) $(build)=$(tools) kapi
+ $(Q)$(MAKE) $(build)=$(tools) kapi $(extra_tools)
ifeq ($(KBUILD_EXTMOD),)
# We need to generate vdso-offsets.h before compiling certain files in kernel/.
# In order to do that, we should use the archprepare target, but we can't since
@@ -156,15 +152,10 @@ ifeq ($(KBUILD_EXTMOD),)
# this hack.
prepare: vdso_prepare
vdso_prepare: prepare0
- $(Q)$(MAKE) $(build)=arch/s390/kernel/vdso64 include/generated/vdso64-offsets.h
- $(if $(CONFIG_COMPAT),$(Q)$(MAKE) \
- $(build)=arch/s390/kernel/vdso32 include/generated/vdso32-offsets.h)
-
-ifdef CONFIG_EXPOLINE_EXTERN
-modules_prepare: expoline_prepare
-expoline_prepare: scripts
- $(Q)$(MAKE) $(build)=arch/s390/lib/expoline arch/s390/lib/expoline/expoline.o
-endif
+ $(Q)$(MAKE) $(build)=arch/s390/kernel/vdso include/generated/vdso-offsets.h
+
+vdso-install-y += arch/s390/kernel/vdso/vdso.so.dbg
+
endif
# Don't use tabs in echo arguments