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) 1998-2001 by David Mosberger-Tang <davidm@hpl.hp.com>
   9 #
  10
  11 NM := $(CROSS_COMPILE)nm -B
  12 AWK := awk
  13
  14 export AWK
  15
  16 LINKFLAGS = -static -T arch/$(ARCH)/vmlinux.lds
  17 AFLAGS_KERNEL := -mconstant-gp
  18 EXTRA   =
  19
  20 CFLAGS := $(CFLAGS) -pipe $(EXTRA) -ffixed-r13 -mfixed-range=f12-f15,f32-f127 \
  21           -falign-functions=32
  22 # -ffunction-sections
  23 CFLAGS_KERNEL := -mconstant-gp
  24
  25 GCC_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' | cut -f1 -d'.')
  26
  27 CHECK_GAS_FOR_HINT=arch/ia64/scripts/check_gas_for_hint.o
  28 MAKE_GAS_HINT_TEST=arch/ia64/scripts/make_gas_hint_test
  29
  30 ifneq (, $(shell ls $(CHECK_GAS_FOR_HINT)))
  31 $(shell rm $(CHECK_GAS_FOR_HINT))
  32 endif
  33
  34 CHECK_GAS_CMD:=($(CC) $(MAKE_GAS_HINT_TEST).c -o $(MAKE_GAS_HINT_TEST) && $(MAKE_GAS_HINT_TEST) | $(CC) -c -o $(CHECK_GAS_FOR_HINT) -x assembler -; rm -f $(MAKE_GAS_HINT_TEST))>&/dev/null
  35 $(shell $(CHECK_GAS_CMD))
  36 ifneq (, $(shell ls $(CHECK_GAS_FOR_HINT)))
  37 #Newer version of binutil is detected and "hint" instruction is in the kernel
  38 $(warning Warning: Found binutils that supports hint instruction)
  39 FLAGS := $(AFLAGS) -DGAS_HAS_HINT_INSN
  40 CFLAGS := $(CFLAGS) -DGAS_HAS_HINT_INSN
  41 else
  42 $(warning Warning: Please use binutil version 2.14.90.0.4.1 or higher to get the support of hint instruction in kernel.)
  43 endif
  44
  45 ifneq ($(GCC_VERSION),2)
  46         CFLAGS += -frename-registers --param max-inline-insns=5000
  47 endif
  48
  49 ifeq ($(CONFIG_ITANIUM_BSTEP_SPECIFIC),y)
  50         CFLAGS += -mb-step
  51 endif
  52
  53 ifdef CONFIG_IA64_GENERIC
  54         CORE_FILES      :=      arch/$(ARCH)/hp/hp.o                    \
  55                                 arch/$(ARCH)/dig/dig.a                  \
  56                                 $(CORE_FILES)
  57         SUBDIRS         :=      arch/$(ARCH)/hp         \
  58                                 arch/$(ARCH)/dig        \
  59                                 $(SUBDIRS)
  60
  61 else # !GENERIC
  62
  63 ifdef CONFIG_IA64_HP_SIM
  64         SUBDIRS         :=      arch/$(ARCH)/hp         \
  65                                 arch/$(ARCH)/drivers    \
  66                                 $(SUBDIRS)
  67         CORE_FILES      :=      arch/$(ARCH)/hp/hp.o    \
  68                                 $(CORE_FILES)
  69         DRIVERS         +=      arch/$(ARCH)/drivers/drivers.o
  70 endif
  71
  72 ifdef CONFIG_IA64_HP_ZX1
  73         SUBDIRS         :=      arch/$(ARCH)/hp                         \
  74                                 arch/$(ARCH)/dig                        \
  75                                 $(SUBDIRS)
  76         CORE_FILES      :=      arch/$(ARCH)/hp/hp.o                    \
  77                                 arch/$(ARCH)/dig/dig.a                  \
  78                                 $(CORE_FILES)
  79 endif
  80
  81 ifdef CONFIG_IA64_SGI_SN
  82         CFLAGS          += -DBRINGUP
  83         SUBDIRS         :=      arch/$(ARCH)/sn/kernel  \
  84                                 arch/$(ARCH)/sn/io      \
  85                                 arch/$(ARCH)/sn/fakeprom        \
  86                                 $(SUBDIRS)
  87         CORE_FILES      :=      arch/$(ARCH)/sn/kernel/sn.o     \
  88                                 arch/$(ARCH)/sn/io/sgiio.o      \
  89                                 $(CORE_FILES)
  90 endif
  91
  92 ifdef CONFIG_IA64_SOFTSDV
  93         SUBDIRS         :=      arch/$(ARCH)/dig        \
  94                                 $(SUBDIRS)
  95         CORE_FILES      :=      arch/$(ARCH)/dig/dig.a  \
  96                                 $(CORE_FILES)
  97 endif
  98
  99 ifdef CONFIG_IA64_DIG
 100         SUBDIRS         :=      arch/$(ARCH)/dig        \
 101                                 $(SUBDIRS)
 102         CORE_FILES      :=      arch/$(ARCH)/dig/dig.a  \
 103                                 $(CORE_FILES)
 104 endif
 105
 106 endif # !GENERIC
 107
 108 ifdef CONFIG_IA32_SUPPORT
 109         SUBDIRS         :=      arch/$(ARCH)/ia32 $(SUBDIRS)
 110         CORE_FILES      :=      arch/$(ARCH)/ia32/ia32.o $(CORE_FILES)
 111 endif
 112
 113 HEAD := arch/$(ARCH)/kernel/head.o arch/ia64/kernel/init_task.o
 114
 115 SUBDIRS := arch/$(ARCH)/tools arch/$(ARCH)/kernel arch/$(ARCH)/mm arch/$(ARCH)/lib $(SUBDIRS)
 116 CORE_FILES := arch/$(ARCH)/kernel/kernel.o arch/$(ARCH)/mm/mm.o $(CORE_FILES)
 117
 118 LIBS := $(TOPDIR)/arch/$(ARCH)/lib/lib.a $(LIBS) \
 119         $(TOPDIR)/arch/$(ARCH)/lib/lib.a
 120
 121 MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
 122
 123 vmlinux: arch/$(ARCH)/vmlinux.lds
 124
 125 arch/$(ARCH)/vmlinux.lds: arch/$(ARCH)/vmlinux.lds.S FORCE
 126         $(CPP) -D__ASSEMBLY__ -C -P -I$(HPATH) -I$(HPATH)/asm-$(ARCH) \
 127                 -traditional arch/$(ARCH)/vmlinux.lds.S > $@
 128
 129 FORCE: ;
 130
 131 compressed: vmlinux
 132         $(OBJCOPY) --strip-all vmlinux vmlinux-tmp
 133         gzip vmlinux-tmp
 134         mv vmlinux-tmp.gz vmlinux.gz
 135
 136 rawboot:
 137         @$(MAKEBOOT) rawboot
 138
 139 #
 140 # My boot writes directly to a specific disk partition, I doubt most
 141 # people will want to do that without changes..
 142 #
 143 msb my-special-boot:
 144         @$(MAKEBOOT) msb
 145
 146 bootimage:
 147         @$(MAKEBOOT) bootimage
 148
 149 srmboot:
 150         @$(MAKEBOOT) srmboot
 151
 152 archclean:
 153         @$(MAKEBOOT) clean
 154
 155 check: vmlinux
 156         arch/ia64/scripts/unwcheck.sh vmlinux
 157
 158 archmrproper:
 159         rm -f arch/$(ARCH)/vmlinux.lds vmlinux-tmp vmlinux.gz
 160         @$(MAKE) -C arch/$(ARCH)/tools mrproper
 161
 162 archdep:
 163         @$(MAKEBOOT) dep
 164
 165 bootpfile:
 166         @$(MAKEBOOT) bootpfile