arch/parisc/Makefile

   1 #
   2 # parisc/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12 #
  13 # Copyright (C) 1994 by Linus Torvalds
  14 # Portions Copyright (C) 1999 The Puffin Group
  15 #
  16 # Modified for PA-RISC Linux by Paul Lahaie, Alex deVries,
  17 # Mike Shaver, Helge Deller and Martin K. Petersen
  18 #
  19 NM              = sh $(srctree)/arch/parisc/nm
  20 CHECKFLAGS      += -D__hppa__=1
  21
  22 MACHINE         := $(shell uname -m)
  23 ifeq ($(MACHINE),parisc*)
  24 NATIVE          := 1
  25 endif
  26
  27 ifdef CONFIG_64BIT
  28 UTS_MACHINE     := parisc64
  29 CHECKFLAGS      += -D__LP64__=1 -m64
  30 WIDTH           := 64
  31 CROSS_COMPILE   := hppa64-linux-gnu-
  32 else # 32-bit
  33 WIDTH           :=
  34 endif
  35
  36 # attempt to help out folks who are cross-compiling
  37 ifeq ($(NATIVE),1)
  38 CROSS_COMPILE   := hppa$(WIDTH)-linux-
  39 endif
  40
  41 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  42
  43 cflags-y        := -pipe
  44
  45 # These flags should be implied by an hppa-linux configuration, but they
  46 # are not in gcc 3.2.
  47 cflags-y        += -mno-space-regs -mfast-indirect-calls
  48
  49 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  50 # If that gets optimized, we might need to disable the use of fpregs in the
  51 # kernel.
  52 cflags-y        += -mdisable-fpregs
  53
  54 # Without this, "ld -r" results in .text sections that are too big
  55 # (> 0x40000) for branches to reach stubs.
  56 cflags-y        += -ffunction-sections
  57
  58 # select which processor to optimise for
  59 cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  60 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  61 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  62 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  63 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  64
  65 head-y                  := arch/parisc/kernel/head.o
  66
  67 KBUILD_CFLAGS   += $(cflags-y)
  68
  69 kernel-y                        := mm/ kernel/ math-emu/ kernel/init_task.o
  70 kernel-$(CONFIG_HPUX)           += hpux/
  71
  72 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  73 libs-y  += arch/parisc/lib/
  74
  75 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  76
  77 PALO := $(shell if which palo; then : ; \
  78         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  79         fi)
  80
  81 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  82         else echo $(obj)/palo.conf; \
  83         fi)
  84
  85 palo: vmlinux
  86         @if test ! -x "$(PALO)"; then \
  87                 echo 'ERROR: Please install palo first (apt-get install palo)';\
  88                 echo 'or build it from source and install it somewhere in your $$PATH';\
  89                 false; \
  90         fi
  91         @if test ! -f "$(PALOCONF)"; then \
  92                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
  93                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
  94                 echo 'You should check it and re-run "make palo".'; \
  95                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
  96                 false; \
  97         fi
  98         $(PALO) -f $(PALOCONF)
  99
 100 # Shorthands for known targets not supported by parisc, use vmlinux as default
 101 Image zImage bzImage: vmlinux
 102
 103 kernel_install: vmlinux
 104         sh $(src)/arch/parisc/install.sh \
 105                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 106
 107 install: kernel_install modules_install
 108
 109 CLEAN_FILES     += lifimage
 110 MRPROPER_FILES  += palo.conf
 111
 112 define archhelp
 113         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 114         @echo  '  palo          - Bootable image (./lifimage)'
 115         @echo  '  install       - Install kernel using'
 116         @echo  '                  (your) ~/bin/installkernel or'
 117         @echo  '                  (distribution) /sbin/installkernel or'
 118         @echo  '                  copy to $$(INSTALL_PATH)'
 119 endef
 120
 121 # we require gcc 3.3 or above to compile the kernel
 122 archprepare: checkbin
 123 checkbin:
 124         @if test "$(call cc-version)" -lt "0303"; then \
 125                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 126                 echo "the kernel." ; \
 127                 false ; \
 128         fi