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-rw-r--r--arch/s390/Makefile130
1 files changed, 130 insertions, 0 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
new file mode 100644
index 000000000..667b1bca5
--- /dev/null
+++ b/arch/s390/Makefile
@@ -0,0 +1,130 @@
+#
+# 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
+
+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
+
+#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-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
+endif
+
+ifdef CONFIG_FUNCTION_TRACER
+# make use of hotpatch feature if the compiler supports it
+cc_hotpatch := -mhotpatch=0,3
+ifeq ($(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
+
+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)
+
+# 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)'
+endef