X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fs390%2FMakefile;h=6598e526857334bdf3f167cd8e9d721842e10a9d;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=68c1a72b0d9272235b9f17dad99e7a693dca1073;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 68c1a72b0..6598e5268 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -13,39 +13,79 @@
 # Copyright (C) 1994 by Linus Torvalds
 #
 
-ifdef CONFIG_ARCH_S390_31
+ifndef CONFIG_64BIT
 LDFLAGS		:= -m elf_s390
 CFLAGS		+= -m31
 AFLAGS		+= -m31
 UTS_MACHINE	:= s390
-endif
-
-ifdef CONFIG_ARCH_S390X
+STACK_SIZE	:= 8192
+CHECKFLAGS	+= -D__s390__
+else
 LDFLAGS		:= -m elf64_s390
 MODFLAGS	+= -fpic -D__PIC__
 CFLAGS		+= -m64
 AFLAGS		+= -m64
 UTS_MACHINE	:= s390x
+STACK_SIZE	:= 16384
+CHECKFLAGS	+= -D__s390__ -D__s390x__
 endif
 
-cflags-$(CONFIG_MARCH_G5)   += $(call check_gcc,-march=g5,)
-cflags-$(CONFIG_MARCH_Z900) += $(call check_gcc,-march=z900,)
-cflags-$(CONFIG_MARCH_Z990) += $(call check_gcc,-march=z990,)
+cflags-$(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) += $(call cc-option,-march=z9-109)
+
+#KBUILD_IMAGE is necessary for make rpm
+KBUILD_IMAGE	:=arch/s390/boot/image
+
+#
+# Prevent tail-call optimizations, to get clearer backtraces:
+#
+cflags-$(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
 
-CFLAGS		+= $(cflags-y)
-CFLAGS		+= $(call check_gcc,-finline-limit=10000,)
+# new style option for packed stacks
+ifeq ($(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)
+cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD)
+endif
+
+ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
+cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack
+cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE)
+endif
+
+CFLAGS		+= -mbackchain -msoft-float $(cflags-y)
 CFLAGS 		+= -pipe -fno-strength-reduce -Wno-sign-compare 
-CFLAGS		+= -mbackchain
+AFLAGS		+= $(aflags-y)
 
 OBJCOPYFLAGS	:= -O binary
 LDFLAGS_vmlinux := -e start
 
-head-$(CONFIG_ARCH_S390_31)	+= arch/$(ARCH)/kernel/head.o
-head-$(CONFIG_ARCH_S390X)	+= arch/$(ARCH)/kernel/head64.o
-head-y				+= arch/$(ARCH)/kernel/init_task.o
+head-y		:= arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
 
 core-y		+= arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/ arch/$(ARCH)/crypto/ \
-		   arch/$(ARCH)/appldata/
+		   arch/$(ARCH)/appldata/ arch/$(ARCH)/hypfs/
 libs-y		+= arch/$(ARCH)/lib/
 drivers-y	+= drivers/s390/
 drivers-$(CONFIG_MATHEMU) += arch/$(ARCH)/math-emu/
@@ -66,16 +106,6 @@ image: vmlinux
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 
-prepare: include/asm-$(ARCH)/offsets.h
-
-arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
-				   include/config/MARKER
-
-include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
-	$(call filechk,gen-asm-offsets)
-
-CLEAN_FILES += include/asm-$(ARCH)/offsets.h
-
 # Don't use tabs in echo arguments
 define archhelp
   echo  '* image           - Kernel image for IPL ($(boot)/image)'