arch/ia64/Makefile

   1 #
   2 # ia64/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8 # Copyright (C) 1998-2004 by David Mosberger-Tang <davidm@hpl.hp.com>
   9 #
  10
  11 NM := $(CROSS_COMPILE)nm -B
  12 READELF := $(CROSS_COMPILE)readelf
  13
  14 export AWK
  15
  16 CHECKFLAGS      += -m64 -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__
  17
  18 ifndef CONFIG_DEBUG_INFO
  19 OBJCOPYFLAGS    := --strip-debug
  20 endif
  21 LDFLAGS_vmlinux := -static
  22 LDFLAGS_MODULE  += -T $(srctree)/arch/ia64/module.lds
  23 AFLAGS_KERNEL   := -mconstant-gp
  24 EXTRA           :=
  25
  26 cflags-y        := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
  27                    -falign-functions=32 -frename-registers -fno-optimize-sibling-calls
  28 CFLAGS_KERNEL   := -mconstant-gp
  29
  30 GCC_VERSION     := $(call cc-version)
  31 GAS_STATUS      = $(shell $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)")
  32 CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)")
  33
  34 ifeq ($(GAS_STATUS),buggy)
  35 $(error Sorry, you need a newer version of the assember, one that is built from \
  36         a source-tree that post-dates 18-Dec-2002.  You can find a pre-compiled \
  37         static binary of such an assembler at:                                  \
  38                                                                                 \
  39                 ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
  40 endif
  41
  42 ifneq ($(shell if [ $(GCC_VERSION) -lt 0300 ] ; then echo "bad"; fi ;),)
  43 $(error Sorry, your compiler is too old.  GCC v2.96 is known to generate bad code.)
  44 endif
  45
  46 ifeq ($(GCC_VERSION),0304)
  47         cflags-$(CONFIG_ITANIUM)        += -mtune=merced
  48         cflags-$(CONFIG_MCKINLEY)       += -mtune=mckinley
  49 endif
  50
  51 cflags-$(CONFIG_ITANIUM_BSTEP_SPECIFIC) += -mb-step
  52
  53 CFLAGS += $(cflags-y)
  54 head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
  55
  56 libs-y                          += arch/ia64/lib/
  57 core-y                          += arch/ia64/kernel/ arch/ia64/mm/
  58 core-$(CONFIG_IA32_SUPPORT)     += arch/ia64/ia32/
  59 core-$(CONFIG_IA64_DIG)         += arch/ia64/dig/
  60 core-$(CONFIG_IA64_GENERIC)     += arch/ia64/dig/
  61 core-$(CONFIG_IA64_HP_ZX1)      += arch/ia64/dig/
  62 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
  63 core-$(CONFIG_IA64_SGI_SN2)     += arch/ia64/sn/
  64
  65 drivers-$(CONFIG_PCI)           += arch/ia64/pci/
  66 drivers-$(CONFIG_IA64_HP_SIM)   += arch/ia64/hp/sim/
  67 drivers-$(CONFIG_IA64_HP_ZX1)   += arch/ia64/hp/common/ arch/ia64/hp/zx1/
  68 drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
  69 drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/
  70 drivers-$(CONFIG_OPROFILE)      += arch/ia64/oprofile/
  71
  72 boot := arch/ia64/hp/sim/boot
  73
  74 .PHONY: boot compressed check
  75
  76 all: compressed unwcheck
  77
  78 compressed: vmlinux.gz
  79
  80 vmlinux.gz: vmlinux
  81         $(Q)$(MAKE) $(build)=$(boot) $@
  82
  83 unwcheck: vmlinux
  84         -$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $<
  85
  86 archclean:
  87         $(Q)$(MAKE) $(clean)=$(boot)
  88
  89 CLEAN_FILES += include/asm-ia64/.offsets.h.stamp vmlinux.gz bootloader
  90
  91 MRPROPER_FILES += include/asm-ia64/offsets.h
  92
  93 prepare: include/asm-ia64/offsets.h
  94
  95 arch/ia64/kernel/asm-offsets.s: include/asm include/linux/version.h include/config/MARKER
  96
  97 include/asm-ia64/offsets.h: arch/ia64/kernel/asm-offsets.s
  98         $(call filechk,gen-asm-offsets)
  99
 100 arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
 101
 102 include/asm-ia64/.offsets.h.stamp:
 103         mkdir -p include/asm-ia64
 104         [ -s include/asm-ia64/offsets.h ] \
 105          || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
 106         touch $@
 107
 108 boot:   lib/lib.a vmlinux
 109         $(Q)$(MAKE) $(build)=$(boot) $@
 110
 111 install: vmlinux.gz
 112         sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 113
 114 define archhelp
 115   echo '* compressed    - Build compressed kernel image'
 116   echo '  install       - Install compressed kernel image'
 117   echo '  boot          - Build vmlinux and bootloader for Ski simulator'
 118   echo '* unwcheck      - Check vmlinux for invalid unwind info'
 119 endef