initial_commit

1 files changed, 133 insertions, 0 deletions

diff --git a/arch/s390/Makefile b/arch/s390/Makefile
new file mode 100644
index 00000000..27a0b5df
--- /dev/null
+++ b/arch/s390/Makefile
@@ -0,0 +1,133 @@
+#
+# 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
+#
+
+ifndef CONFIG_64BIT
+LD_BFD		:= elf32-s390
+LDFLAGS		:= -m elf_s390
+KBUILD_CFLAGS	+= -m31
+KBUILD_AFLAGS	+= -m31
+UTS_MACHINE	:= s390
+STACK_SIZE	:= 8192
+CHECKFLAGS	+= -D__s390__ -msize-long
+else
+LD_BFD		:= elf64-s390
+LDFLAGS		:= -m elf64_s390
+KBUILD_AFLAGS_MODULE += -fpic -D__PIC__
+KBUILD_CFLAGS_MODULE += -fpic -D__PIC__
+KBUILD_CFLAGS	+= -m64
+KBUILD_AFLAGS	+= -m64
+UTS_MACHINE	:= s390x
+STACK_SIZE	:= 16384
+CHECKFLAGS	+= -D__s390__ -D__s390x__
+endif
+
+export LD_BFD
+
+cflags-$(CONFIG_MARCH_G5)   += $(call cc-option,-march=g5)
+cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900)
+cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
+cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)
+cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)
+cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196)
+
+#KBUILD_IMAGE is necessary for make rpm
+KBUILD_IMAGE	:=arch/s390/boot/image
+
+#
+# Prevent tail-call optimizations, to get clearer backtraces:
+#
+cflags-$(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-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
+cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
+aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
+ifdef CONFIG_SMALL_STACK
+STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
+endif
+endif
+
+# new style option for packed stacks
+ifeq ($(call cc-option-yn,-mpacked-stack),y)
+cflags-$(CONFIG_PACK_STACK)  += -mpacked-stack -D__PACK_STACK
+aflags-$(CONFIG_PACK_STACK)  += -D__PACK_STACK
+cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
+aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK
+ifdef CONFIG_SMALL_STACK
+STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) )
+endif
+endif
+
+ifeq ($(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
+
+KBUILD_CFLAGS	+= -mbackchain -msoft-float $(cflags-y)
+KBUILD_CFLAGS	+= -pipe -fno-strength-reduce -Wno-sign-compare
+KBUILD_AFLAGS	+= $(aflags-y)
+
+OBJCOPYFLAGS	:= -O binary
+LDFLAGS_vmlinux := -e start
+
+head-y		:= arch/s390/kernel/head.o
+head-y		+= arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o)
+head-y		+= arch/s390/kernel/init_task.o
+
+# See arch/s390/Kbuild for content of core part of the kernel
+core-y		+= arch/s390/
+
+libs-y		+= arch/s390/lib/
+drivers-y	+= drivers/s390/
+drivers-$(CONFIG_MATHEMU) += arch/s390/math-emu/
+
+# 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:
+ifeq ($(CONFIG_64BIT),y)
+	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
+endif
+	$(Q)$(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