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 OBJCOPYFLAGS    := --strip-all
  19 LDFLAGS_vmlinux := -static
  20 LDFLAGS_MODULE  += -T $(srctree)/arch/ia64/module.lds
  21 AFLAGS_KERNEL   := -mconstant-gp
  22 EXTRA           :=
  23
  24 cflags-y        := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
  25                    -falign-functions=32 -frename-registers -fno-optimize-sibling-calls
  26 CFLAGS_KERNEL   := -mconstant-gp
  27
  28 GCC_VERSION     := $(call cc-version)
  29 GAS_STATUS      = $(shell $(srctree)/arch/ia64/scripts/check-gas "$(CC)" "$(OBJDUMP)")
  30 CPPFLAGS += $(shell $(srctree)/arch/ia64/scripts/toolchain-flags "$(CC)" "$(OBJDUMP)" "$(READELF)")
  31
  32 ifeq ($(GAS_STATUS),buggy)
  33 $(error Sorry, you need a newer version of the assember, one that is built from \
  34         a source-tree that post-dates 18-Dec-2002.  You can find a pre-compiled \
  35         static binary of such an assembler at:                                  \
  36                                                                                 \
  37                 ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
  38 endif
  39
  40 ifneq ($(shell if [ $(GCC_VERSION) -lt 0300 ] ; then echo "bad"; fi ;),)
  41 $(error Sorry, your compiler is too old.  GCC v2.96 is known to generate bad code.)
  42 endif
  43
  44 ifeq ($(GCC_VERSION),0304)
  45         cflags-$(CONFIG_ITANIUM)        += -mtune=merced
  46         cflags-$(CONFIG_MCKINLEY)       += -mtune=mckinley
  47 endif
  48
  49 CFLAGS += $(cflags-y)
  50 head-y := arch/ia64/kernel/head.o arch/ia64/kernel/init_task.o
  51
  52 libs-y                          += arch/ia64/lib/
  53 core-y                          += arch/ia64/kernel/ arch/ia64/mm/
  54 core-$(CONFIG_IA32_SUPPORT)     += arch/ia64/ia32/
  55 core-$(CONFIG_IA64_DIG)         += arch/ia64/dig/
  56 core-$(CONFIG_IA64_GENERIC)     += arch/ia64/dig/
  57 core-$(CONFIG_IA64_HP_ZX1)      += arch/ia64/dig/
  58 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
  59 core-$(CONFIG_IA64_SGI_SN2)     += arch/ia64/sn/
  60
  61 drivers-$(CONFIG_PCI)           += arch/ia64/pci/
  62 drivers-$(CONFIG_IA64_HP_SIM)   += arch/ia64/hp/sim/
  63 drivers-$(CONFIG_IA64_HP_ZX1)   += arch/ia64/hp/common/ arch/ia64/hp/zx1/
  64 drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
  65 drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/sn/
  66 drivers-$(CONFIG_OPROFILE)      += arch/ia64/oprofile/
  67
  68 boot := arch/ia64/hp/sim/boot
  69
  70 .PHONY: boot compressed check
  71
  72 all: compressed unwcheck
  73
  74 compressed: vmlinux.gz
  75
  76 vmlinux.gz: vmlinux
  77         $(Q)$(MAKE) $(build)=$(boot) $@
  78
  79 unwcheck: vmlinux
  80         -$(Q)READELF=$(READELF) $(srctree)/arch/ia64/scripts/unwcheck.py $<
  81
  82 archclean:
  83         $(Q)$(MAKE) $(clean)=$(boot)
  84
  85 prepare:  include/asm-ia64/.offsets.h.stamp
  86
  87 include/asm-ia64/.offsets.h.stamp:
  88         mkdir -p include/asm-ia64
  89         [ -s include/asm-ia64/asm-offsets.h ] \
  90         || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/asm-offsets.h
  91         touch $@
  92
  93
  94
  95 CLEAN_FILES += vmlinux.gz bootloader include/asm-ia64/.offsets.h.stamp
  96
  97 boot:   lib/lib.a vmlinux
  98         $(Q)$(MAKE) $(build)=$(boot) $@
  99
 100 install: vmlinux.gz
 101         sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 102
 103 define archhelp
 104   echo '* compressed    - Build compressed kernel image'
 105   echo '  install       - Install compressed kernel image'
 106   echo '  boot          - Build vmlinux and bootloader for Ski simulator'
 107   echo '* unwcheck      - Check vmlinux for invalid unwind info'
 108 endef