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__
  15 cflags-y        := -pipe -mno-fp-regs -ffixed-8
  16 cflags-y        += $(call cc-option, -fno-jump-tables)
  17
  18 cpuflags-$(CONFIG_ALPHA_EV56)           := -mcpu=ev56
  19 cpuflags-$(CONFIG_ALPHA_POLARIS)        := -mcpu=pca56
  20 cpuflags-$(CONFIG_ALPHA_SX164)          := -mcpu=pca56
  21 cpuflags-$(CONFIG_ALPHA_EV6)            := -mcpu=ev6
  22 cpuflags-$(CONFIG_ALPHA_EV67)           := -mcpu=ev67
  23 # If GENERIC, make sure to turn off any instruction set extensions that
  24 # the host compiler might have on by default.
  25 cpuflags-$(CONFIG_ALPHA_GENERIC)        := -mcpu=ev56 -mtune=ev6
  26
  27 cflags-y                                += $(cpuflags-y)
  28
  29
  30 # For TSUNAMI, we must have the assembler not emulate our instructions.
  31 # The same is true for IRONGATE, POLARIS, PYXIS.
  32 # BWX is most important, but we don't really want any emulation ever.
  33 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
  34
  35 libs-y                          += arch/alpha/lib/
  36
  37 # export what is needed by arch/alpha/boot/Makefile
  38 LIBS_Y := $(patsubst %/, %/lib.a, $(libs-y))
  39 export LIBS_Y
  40
  41 boot := arch/alpha/boot
  42
  43 #Default target when executing make with no arguments
  44 all boot: $(boot)/vmlinux.gz
  45
  46 $(boot)/vmlinux.gz: vmlinux
  47         $(Q)$(MAKE) $(build)=$(boot) $@
  48
  49 bootimage bootpfile bootpzfile: vmlinux
  50         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  51
  52 archheaders:
  53         $(Q)$(MAKE) $(build)=arch/alpha/kernel/syscalls all
  54
  55 define archhelp
  56   echo '* boot          - Compressed kernel image (arch/alpha/boot/vmlinux.gz)'
  57   echo '  bootimage     - SRM bootable image (arch/alpha/boot/bootimage)'
  58   echo '  bootpfile     - BOOTP bootable image (arch/alpha/boot/bootpfile)'
  59   echo '  bootpzfile    - compressed kernel BOOTP image (arch/alpha/boot/bootpzfile)'
  60 endef