linux/arch/alpha/Makefile
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   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
  11NM := $(NM) -B
  12
  13LDFLAGS_vmlinux := -static -N #-relax
  14CHECKFLAGS      += -D__alpha__
  15cflags-y        := -pipe -mno-fp-regs -ffixed-8
  16cflags-y        += $(call cc-option, -fno-jump-tables)
  17
  18cpuflags-$(CONFIG_ALPHA_EV4)            := -mcpu=ev4
  19cpuflags-$(CONFIG_ALPHA_EV5)            := -mcpu=ev5
  20cpuflags-$(CONFIG_ALPHA_EV56)           := -mcpu=ev56
  21cpuflags-$(CONFIG_ALPHA_POLARIS)        := -mcpu=pca56
  22cpuflags-$(CONFIG_ALPHA_SX164)          := -mcpu=pca56
  23cpuflags-$(CONFIG_ALPHA_EV6)            := -mcpu=ev6
  24cpuflags-$(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.
  29cpuflags-$(CONFIG_ALPHA_GENERIC)        := -mcpu=ev5
  30
  31cflags-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.
  37KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
  38
  39head-y := arch/alpha/kernel/head.o
  40
  41libs-y                          += arch/alpha/lib/
  42
  43# export what is needed by arch/alpha/boot/Makefile
  44LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
  45export LIBS_Y
  46
  47boot := arch/alpha/boot
  48
  49#Default target when executing make with no arguments
  50all boot: $(boot)/vmlinux.gz
  51
  52$(boot)/vmlinux.gz: vmlinux
  53        $(Q)$(MAKE) $(build)=$(boot) $@
  54
  55bootimage bootpfile bootpzfile: vmlinux
  56        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  57
  58archclean:
  59        $(Q)$(MAKE) $(clean)=$(boot)
  60
  61archheaders:
  62        $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
  63
  64define 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)'
  69endef
  70