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) 1998-2003 by David Mosberger-Tang <davidm@hpl.hp.com>
   9 #
  10
  11 NM := $(CROSS_COMPILE)nm -B
  12
  13 export AWK
  14
  15 OBJCOPYFLAGS    := --strip-all
  16 LDFLAGS_vmlinux := -static
  17 LDFLAGS_MODULE  += -T arch/ia64/module.lds
  18 AFLAGS_KERNEL   := -mconstant-gp
  19 EXTRA           :=
  20
  21 cflags-y        := -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
  22                    -falign-functions=32 -frename-registers
  23 CFLAGS_KERNEL   := -mconstant-gp
  24
  25 GCC_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f1 -d'.')
  26 GCC_MINOR_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f2 -d'.')
  27
  28 GAS_STATUS=$(shell arch/ia64/scripts/check-gas $(CC) $(OBJDUMP))
  29
  30 CPPFLAGS        += $(shell arch/ia64/scripts/toolchain-flags $(CC) $(OBJDUMP))
  31
  32 ifeq ($(GAS_STATUS),buggy)
  33 $(error Sorry, you need a newer version of the assember, one that is built from \
  34         a source-tree that post-dates 18-Dec-2002.  You can find a pre-compiled \
  35         static binary of such an assembler at:                                  \
  36                                                                                 \
  37                 ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
  38 endif
  39
  40 ifeq ($(GCC_VERSION),2)
  41 $(error Sorry, your compiler is too old.  GCC v2.96 is known to generate bad code.)
  42 endif
  43
  44 ifeq ($(GCC_VERSION),3)
  45  ifeq ($(GCC_MINOR_VERSION),4)
  46         cflags-$(CONFIG_ITANIUM)        += -mtune=merced
  47         cflags-$(CONFIG_MCKINLEY)       += -mtune=mckinley
  48  endif
  49 endif
  50
  51 cflags-$(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_SGI_SN2)     += arch/ia64/sn/
  63
  64 drivers-$(CONFIG_PCI)           += arch/ia64/pci/
  65 drivers-$(CONFIG_IA64_HP_SIM)   += arch/ia64/hp/sim/
  66 drivers-$(CONFIG_IA64_HP_ZX1)   += arch/ia64/hp/common/ arch/ia64/hp/zx1/
  67 drivers-$(CONFIG_IA64_GENERIC)  += arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/
  68
  69 boot := arch/ia64/boot
  70
  71 .PHONY: boot compressed check
  72
  73 compressed: vmlinux.gz
  74
  75 vmlinux.gz: vmlinux
  76         $(Q)$(MAKE) $(build)=$(boot) $@
  77
  78 check: vmlinux
  79         arch/ia64/scripts/unwcheck.sh $<
  80
  81 archclean:
  82         $(Q)$(MAKE) $(clean)=$(boot)
  83
  84 CLEAN_FILES += include/asm-ia64/.offsets.h.stamp include/asm-ia64/offsets.h vmlinux.gz bootloader
  85
  86 prepare: include/asm-ia64/offsets.h
  87
  88 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
  89         $(call filechk,gen-asm-offsets)
  90
  91 arch/ia64/kernel/asm-offsets.s: include/asm-ia64/.offsets.h.stamp
  92
  93 include/asm-ia64/.offsets.h.stamp:
  94         [ -s include/asm-ia64/offsets.h ] \
  95          || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/offsets.h
  96         touch $@
  97
  98 boot:   lib/lib.a vmlinux
  99         $(Q)$(MAKE) $(build)=$(boot) $@
 100
 101
 102 define archhelp
 103   echo '  compressed    - Build compressed kernel image'
 104   echo '  boot          - Build vmlinux and bootloader for Ski simulator'
 105 endef