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 palo: vmlinux
  82         @if test ! -x $(PALO); then \
  83                 echo 'ERROR: Please install palo first (apt-get install palo)';\
  84                 echo 'or build it from source and install it somewhere in your $$PATH';\
  85                 false; \
  86         fi
  87         @if test ! -f ./palo.conf; then \
  88                 cp arch/parisc/defpalo.conf palo.conf; \
  89                 echo 'A generic palo config file (./palo.conf) has been created for you.'; \
  90                 echo 'You should check it and re-run "make palo".'; \
  91                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
  92                 false; \
  93         fi
  94         $(PALO) -f ./palo.conf
  95
  96 # Shorthands for known targets not supported by parisc, use vmlinux as default
  97 Image zImage bzImage: vmlinux
  98
  99 kernel_install: vmlinux
 100         sh $(src)/arch/parisc/install.sh \
 101                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 102
 103 install: kernel_install modules_install
 104
 105 CLEAN_FILES     += lifimage
 106 MRPROPER_FILES  += palo.conf
 107
 108 define archhelp
 109         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 110         @echo  '  palo          - Bootable image (./lifimage)'
 111         @echo  '  install       - Install kernel using'
 112         @echo  '                  (your) ~/bin/installkernel or'
 113         @echo  '                  (distribution) /sbin/installkernel or'
 114         @echo  '                  copy to $$(INSTALL_PATH)'
 115 endef
 116
 117 # we require gcc 3.3 or above to compile the kernel
 118 archprepare: checkbin
 119 checkbin:
 120         @if test "$(call cc-version)" -lt "0303"; then \
 121                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 122                 echo "the kernel." ; \
 123                 false ; \
 124         fi