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 NM := $(NM) -B
  12
  13 LDFLAGS_vmlinux := -static -N #-relax
  14 CHECKFLAGS      += -D__alpha__ -m64
  15 cflags-y        := -pipe -mno-fp-regs -ffixed-8 -msmall-data
  16 cflags-y        += $(call cc-option, -fno-jump-tables)
  17
  18 cpuflags-$(CONFIG_ALPHA_EV4)            := -mcpu=ev4
  19 cpuflags-$(CONFIG_ALPHA_EV5)            := -mcpu=ev5
  20 cpuflags-$(CONFIG_ALPHA_EV56)           := -mcpu=ev56
  21 cpuflags-$(CONFIG_ALPHA_POLARIS)        := -mcpu=pca56
  22 cpuflags-$(CONFIG_ALPHA_SX164)          := -mcpu=pca56
  23 cpuflags-$(CONFIG_ALPHA_EV6)            := -mcpu=ev6
  24 cpuflags-$(CONFIG_ALPHA_EV67)           := -mcpu=ev67
  25 # If GENERIC, make sure to turn off any instruction set extensions that
  26 # the host compiler might have on by default.  Given that EV4 and EV5
  27 # have the same instruction set, prefer EV5 because an EV5 schedule is
  28 # more likely to keep an EV4 processor busy than vice-versa.
  29 cpuflags-$(CONFIG_ALPHA_GENERIC)        := -mcpu=ev5
  30
  31 cflags-y                                += $(cpuflags-y)
  32
  33
  34 # For TSUNAMI, we must have the assembler not emulate our instructions.
  35 # The same is true for IRONGATE, POLARIS, PYXIS.
  36 # BWX is most important, but we don't really want any emulation ever.
  37 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
  38
  39 head-y := arch/alpha/kernel/head.o
  40
  41 core-y                          += arch/alpha/kernel/ arch/alpha/mm/
  42 core-$(CONFIG_MATHEMU)          += arch/alpha/math-emu/
  43 drivers-$(CONFIG_OPROFILE)      += arch/alpha/oprofile/
  44 libs-y                          += arch/alpha/lib/
  45
  46 # export what is needed by arch/alpha/boot/Makefile
  47 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
  48 export LIBS_Y
  49
  50 boot := arch/alpha/boot
  51
  52 #Default target when executing make with no arguments
  53 all boot: $(boot)/vmlinux.gz
  54
  55 $(boot)/vmlinux.gz: vmlinux
  56         $(Q)$(MAKE) $(build)=$(boot) $@
  57
  58 bootimage bootpfile bootpzfile: vmlinux
  59         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  60
  61 archclean:
  62         $(Q)$(MAKE) $(clean)=$(boot)
  63
  64 define archhelp
  65   echo '* boot          - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
  66   echo '  bootimage     - SRM bootable image (arch/alpha/boot/bootimage)'
  67   echo '  bootpfile     - BOOTP bootable image (arch/alpha/boot/bootpfile)'
  68   echo '  bootpzfile    - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
  69 endef