MAJOR=4 MINOR=62 DEVNAME=tty62 "#ˆl–Ü4ý(© ³( Å €fàD¦-ÿÄ ƒp.=ÁÈ## 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 KBUILD_CFLAGS += -fPIC LDFLAGS_vmlinux := $(call ld-option,-no-pie) --emit-relocs --discard-none 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 += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables KBUILD_CFLAGS_DECOMPRESSOR += -ffreestanding KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-protector KBUILD_CFLAGS_DECOMPRESSOR += -fPIE 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,)) KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_NO_ARRAY_BOUNDS),-Wno-array-bounds) UTS_MACHINE := s390x STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384) CHECKFLAGS += -D__s390__ -D__s390x__ export LD_BFD mflags-$(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-$(CONFIG_MARCH_Z15) := -march=z15 mflags-$(CONFIG_MARCH_Z16) := -march=z16 export CC_FLAGS_MARCH := $(mflags-y) aflags-y += $(mflags-y) cflags-y += $(mflags-y) cflags-$(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-$(CONFIG_MARCH_Z15_TUNE) += -mtune=z15 cflags-$(CONFIG_MARCH_Z16_TUNE) += -mtune=z16 cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include # # Prevent tail-call optimizations, to get clearer backtraces: # 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 CC_FLAGS_EXPOLINE := -mindirect-branch=thunk-extern CC_FLAGS_EXPOLINE += -mfunction-return=thunk-extern else CC_FLAGS_EXPOLINE := -mindirect-branch=thunk CC_FLAGS_EXPOLINE += -mfunction-return=thunk endif CC_FLAGS_EXPOLINE += -mindirect-branch-table export CC_FLAGS_EXPOLINE cflags-y += $(CC_FLAGS_EXPOLINE) -DCC_USING_EXPOLINE aflags-y += -DCC_USING_EXPOLINE endif ifdef CONFIG_FUNCTION_TRACER ifeq ($(call cc-option,-mfentry -mnop-mcount),) # make use of hotpatch feature if the compiler supports it cc_hotpatch := -mhotpatch=0,3 ifneq ($(call cc-option,$(cc_hotpatch)),) 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_C