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
  20 KBUILD_DEFCONFIG := default_defconfig
  21
  22 NM              = sh $(srctree)/arch/parisc/nm
  23 CHECKFLAGS      += -D__hppa__=1
  24 LIBGCC          = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  25
  26 MACHINE         := $(shell uname -m)
  27 NATIVE          := $(if $(filter parisc%,$(MACHINE)),1,0)
  28
  29 ifdef CONFIG_64BIT
  30 UTS_MACHINE     := parisc64
  31 CHECKFLAGS      += -D__LP64__=1 -m64
  32 WIDTH           := 64
  33 else # 32-bit
  34 WIDTH           :=
  35 endif
  36
  37 # attempt to help out folks who are cross-compiling
  38 ifeq ($(NATIVE),1)
  39 CROSS_COMPILE   := hppa$(WIDTH)-linux-
  40 else
  41  ifeq ($(CROSS_COMPILE),)
  42  CROSS_COMPILE  := hppa$(WIDTH)-linux-gnu-
  43  endif
  44 endif
  45
  46 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  47
  48 cflags-y        := -pipe
  49
  50 # These flags should be implied by an hppa-linux configuration, but they
  51 # are not in gcc 3.2.
  52 cflags-y        += -mno-space-regs -mfast-indirect-calls
  53
  54 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  55 # If that gets optimized, we might need to disable the use of fpregs in the
  56 # kernel.
  57 cflags-y        += -mdisable-fpregs
  58
  59 # Without this, "ld -r" results in .text sections that are too big
  60 # (> 0x40000) for branches to reach stubs.
  61 ifndef CONFIG_FUNCTION_TRACER
  62   cflags-y      += -ffunction-sections
  63 endif
  64
  65 # Use long jumps instead of long branches (needed if your linker fails to
  66 # link a too big vmlinux executable). Not enabled for building modules.
  67 ifdef CONFIG_MLONGCALLS
  68 KBUILD_CFLAGS_KERNEL += -mlong-calls
  69 endif
  70
  71 # select which processor to optimise for
  72 cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  73 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  74 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  75 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  76 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  77
  78 head-y                  := arch/parisc/kernel/head.o
  79
  80 KBUILD_CFLAGS   += $(cflags-y)
  81
  82 kernel-y                        := mm/ kernel/ math-emu/
  83 kernel-$(CONFIG_HPUX)           += hpux/
  84
  85 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  86 libs-y  += arch/parisc/lib/ $(LIBGCC)
  87
  88 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  89
  90 PALO := $(shell if (which palo 2>&1); then : ; \
  91         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  92         fi)
  93
  94 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  95         else echo $(obj)/palo.conf; \
  96         fi)
  97
  98 palo: vmlinux
  99         @if test ! -x "$(PALO)"; then \
 100                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 101                 echo 'or build it from source and install it somewhere in your $$PATH';\
 102                 false; \
 103         fi
 104         @if test ! -f "$(PALOCONF)"; then \
 105                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 106                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 107                 echo 'You should check it and re-run "make palo".'; \
 108                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 109                 false; \
 110         fi
 111         $(PALO) -f $(PALOCONF)
 112
 113 # Shorthands for known targets not supported by parisc, use vmlinux as default
 114 Image zImage bzImage: vmlinux
 115
 116 install: vmlinux
 117         sh $(src)/arch/parisc/install.sh \
 118                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 119
 120 CLEAN_FILES     += lifimage
 121 MRPROPER_FILES  += palo.conf
 122
 123 define archhelp
 124         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 125         @echo  '  palo          - Bootable image (./lifimage)'
 126         @echo  '  install       - Install kernel using'
 127         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 128         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 129         @echo  '                  copy to $$(INSTALL_PATH)'
 130 endef
 131
 132 # we require gcc 3.3 or above to compile the kernel
 133 archprepare: checkbin
 134 checkbin:
 135         @if test "$(call cc-version)" -lt "0303"; then \
 136                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 137                 echo "the kernel." ; \
 138                 false ; \
 139         fi