arch/alpha/Makefile

   1 #
   2 # alpha/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) 1994 by Linus Torvalds
   9 #
  10
  11 KBUILD_DEFCONFIG := defconfig
  12
  13 NM := $(NM) -B
  14
  15 LDFLAGS_vmlinux := -static -N #-relax
  16 CHECKFLAGS      += -D__alpha__
  17 cflags-y        := -pipe -mno-fp-regs -ffixed-8
  18 cflags-y        += $(call cc-option, -fno-jump-tables)
  19
  20 cpuflags-$(CONFIG_ALPHA_EV4)            := -mcpu=ev4
  21 cpuflags-$(CONFIG_ALPHA_EV5)            := -mcpu=ev5
  22 cpuflags-$(CONFIG_ALPHA_EV56)           := -mcpu=ev56
  23 cpuflags-$(CONFIG_ALPHA_POLARIS)        := -mcpu=pca56
  24 cpuflags-$(CONFIG_ALPHA_SX164)          := -mcpu=pca56
  25 cpuflags-$(CONFIG_ALPHA_EV6)            := -mcpu=ev6
  26 cpuflags-$(CONFIG_ALPHA_EV67)           := -mcpu=ev67
  27 # If GENERIC, make sure to turn off any instruction set extensions that
  28 # the host compiler might have on by default.  Given that EV4 and EV5
  29 # have the same instruction set, prefer EV5 because an EV5 schedule is
  30 # more likely to keep an EV4 processor busy than vice-versa.
  31 cpuflags-$(CONFIG_ALPHA_GENERIC)        := -mcpu=ev5
  32
  33 cflags-y                                += $(cpuflags-y)
  34
  35
  36 # For TSUNAMI, we must have the assembler not emulate our instructions.
  37 # The same is true for IRONGATE, POLARIS, PYXIS.
  38 # BWX is most important, but we don't really want any emulation ever.
  39 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
  40
  41 head-y := arch/alpha/kernel/head.o
  42
  43 core-y                          += arch/alpha/kernel/ arch/alpha/mm/
  44 core-$(CONFIG_MATHEMU)          += arch/alpha/math-emu/
  45 drivers-$(CONFIG_OPROFILE)      += arch/alpha/oprofile/
  46 libs-y                          += arch/alpha/lib/
  47
  48 # export what is needed by arch/alpha/boot/Makefile
  49 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
  50 export LIBS_Y
  51
  52 boot := arch/alpha/boot
  53
  54 #Default target when executing make with no arguments
  55 all boot: $(boot)/vmlinux.gz
  56
  57 $(boot)/vmlinux.gz: vmlinux
  58         $(Q)$(MAKE) $(build)=$(boot) $@
  59
  60 bootimage bootpfile bootpzfile: vmlinux
  61         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  62
  63 archclean:
  64         $(Q)$(MAKE) $(clean)=$(boot)
  65
  66 archheaders:
  67         $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
  68
  69 define archhelp
  70   echo '* boot          - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
  71   echo '  bootimage     - SRM bootable image (arch/alpha/boot/bootimage)'
  72   echo '  bootpfile     - BOOTP bootable image (arch/alpha/boot/bootpfile)'
  73   echo '  bootpzfile    - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
  74 endef