[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/s390/Makefile b/src/kernel/linux/v4.19/arch/s390/Makefile
new file mode 100644
index 0000000..e6c2e89
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/s390/Makefile
@@ -0,0 +1,174 @@
+# 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
+aflags_dwarf := -Wa,-gdwarf-2
+KBUILD_AFLAGS_DECOMPRESSOR := -m64 -D__ASSEMBLY__
+KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
+KBUILD_CFLAGS_DECOMPRESSOR := -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), $(call cc-option, -gdwarf-4,))
+UTS_MACHINE := s390x
+STACK_SIZE := 16384
+CHECKFLAGS += -D__s390__ -D__s390x__
+
+export LD_BFD
+
+mflags-$(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
+
+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-$(CONFIG_MARCH_Z14_TUNE) += -mtune=z14
+
+cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
+
+#
+# Prevent tail-call optimizations, to get clearer backtraces:
+#
+cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
+
+ifeq ($(call cc-option-yn,-mpacked-stack),y)
+cflags-$(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 -fno-strength-reduce -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: vmlinux
+ $(Q)$(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 $@
+ $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
+
+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