projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | # |
| 2 | # s390/Makefile | |
| 3 | # | |
| 4 | # This file is included by the global makefile so that you can add your own | |
| 5 | # architecture-specific flags and dependencies. Remember to do have actions | |
| 6 | # for "archclean" and "archdep" for cleaning up and making dependencies for | |
| 7 | # this architecture | |
| 8 | # | |
| 9 | # This file is subject to the terms and conditions of the GNU General Public | |
| 10 | # License. See the file "COPYING" in the main directory of this archive | |
| 11 | # for more details. | |
| 12 | # | |
| 13 | # Copyright (C) 1994 by Linus Torvalds | |
| 14 | # | |
| 15 | ||
| 16 | ifdef CONFIG_ARCH_S390_31 | |
| 17 | LDFLAGS := -m elf_s390 | |
| 18 | CFLAGS += -m31 | |
| 19 | AFLAGS += -m31 | |
| 20 | UTS_MACHINE := s390 | |
| 21 | STACK_SIZE := 8192 | |
| d310a35a | 22 | CHECKFLAGS += -D__s390__ |
| 1da177e4 LT |
23 | endif |
| 24 | ||
| 25 | ifdef CONFIG_ARCH_S390X | |
| 26 | LDFLAGS := -m elf64_s390 | |
| 27 | MODFLAGS += -fpic -D__PIC__ | |
| 28 | CFLAGS += -m64 | |
| 29 | AFLAGS += -m64 | |
| 30 | UTS_MACHINE := s390x | |
| 31 | STACK_SIZE := 16384 | |
| d310a35a | 32 | CHECKFLAGS += -D__s390__ -D__s390x__ |
| 1da177e4 LT |
33 | endif |
| 34 | ||
| 35 | cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) | |
| 36 | cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) | |
| 37 | cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) | |
| 38 | ||
| 39 | # old style option for packed stacks | |
| 40 | ifeq ($(call cc-option-yn,-mkernel-backchain),y) | |
| 41 | cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK | |
| 42 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
| 43 | cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK | |
| 44 | aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK | |
| 45 | ifdef CONFIG_SMALL_STACK | |
| 46 | STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) | |
| 47 | endif | |
| 48 | endif | |
| 49 | ||
| 50 | # new style option for packed stacks | |
| 51 | ifeq ($(call cc-option-yn,-mpacked-stack),y) | |
| 52 | cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK | |
| 53 | aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK | |
| 54 | cflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK | |
| 55 | aflags-$(CONFIG_SMALL_STACK) += -D__SMALL_STACK | |
| 56 | ifdef CONFIG_SMALL_STACK | |
| 57 | STACK_SIZE := $(shell echo $$(($(STACK_SIZE)/2)) ) | |
| 58 | endif | |
| 59 | endif | |
| 60 | ||
| 61 | ifeq ($(call cc-option-yn,-mstack-size=8192 -mstack-guard=128),y) | |
| 62 | cflags-$(CONFIG_CHECK_STACK) += -mstack-size=$(STACK_SIZE) | |
| 63 | cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) | |
| 64 | endif | |
| 65 | ||
| 66 | ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y) | |
| 67 | cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack | |
| 68 | cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE) | |
| 69 | endif | |
| 70 | ||
| 71 | CFLAGS += -mbackchain -msoft-float $(cflags-y) | |
| 72 | CFLAGS += $(call cc-option,-finline-limit=10000) | |
| 73 | CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare | |
| 74 | AFLAGS += $(aflags-y) | |
| 75 | ||
| 76 | OBJCOPYFLAGS := -O binary | |
| 77 | LDFLAGS_vmlinux := -e start | |
| 78 | ||
| 0ad775db | 79 | head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o |
| 1da177e4 LT |
80 | |
| 81 | core-y += arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/ arch/$(ARCH)/crypto/ \ | |
| 82 | arch/$(ARCH)/appldata/ | |
| 83 | libs-y += arch/$(ARCH)/lib/ | |
| 84 | drivers-y += drivers/s390/ | |
| 85 | drivers-$(CONFIG_MATHEMU) += arch/$(ARCH)/math-emu/ | |
| 86 | ||
| 87 | # must be linked after kernel | |
| 88 | drivers-$(CONFIG_OPROFILE) += arch/s390/oprofile/ | |
| 89 | ||
| 90 | boot := arch/$(ARCH)/boot | |
| 91 | ||
| 92 | all: image | |
| 93 | ||
| 94 | install: vmlinux | |
| 95 | $(Q)$(MAKE) $(build)=$(boot) $@ | |
| 96 | ||
| 97 | image: vmlinux | |
| 98 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | |
| 99 | ||
| 100 | archclean: | |
| 101 | $(Q)$(MAKE) $(clean)=$(boot) | |
| 102 | ||
| 1da177e4 LT |
103 | # Don't use tabs in echo arguments |
| 104 | define archhelp | |
| 105 | echo '* image - Kernel image for IPL ($(boot)/image)' | |
| 106 | endef |