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) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  25
  26 ifdef CONFIG_64BIT
  27 UTS_MACHINE     := parisc64
  28 CHECKFLAGS      += -D__LP64__=1 -m64
  29 CC_ARCHES       = hppa64
  30 else # 32-bit
  31 CC_ARCHES       = hppa hppa2.0 hppa1.1
  32 endif
  33
  34 ifneq ($(SUBARCH),$(UTS_MACHINE))
  35         ifeq ($(CROSS_COMPILE),)
  36                 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
  37                 CROSS_COMPILE := $(call cc-cross-prefix, \
  38                         $(foreach a,$(CC_ARCHES), \
  39                         $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
  40         endif
  41 endif
  42
  43 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  44
  45 cflags-y        := -pipe
  46
  47 # These flags should be implied by an hppa-linux configuration, but they
  48 # are not in gcc 3.2.
  49 cflags-y        += -mno-space-regs -mfast-indirect-calls
  50
  51 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  52 # If that gets optimized, we might need to disable the use of fpregs in the
  53 # kernel.
  54 cflags-y        += -mdisable-fpregs
  55
  56 # Without this, "ld -r" results in .text sections that are too big
  57 # (> 0x40000) for branches to reach stubs.
  58 ifndef CONFIG_FUNCTION_TRACER
  59   cflags-y      += -ffunction-sections
  60 endif
  61
  62 # Use long jumps instead of long branches (needed if your linker fails to
  63 # link a too big vmlinux executable). Not enabled for building modules.
  64 ifdef CONFIG_MLONGCALLS
  65 KBUILD_CFLAGS_KERNEL += -mlong-calls
  66 endif
  67
  68 # select which processor to optimise for
  69 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  70 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  71 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  72 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  73 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  74
  75 head-y                  := arch/parisc/kernel/head.o
  76
  77 KBUILD_CFLAGS   += $(cflags-y)
  78
  79 kernel-y                        := mm/ kernel/ math-emu/
  80 kernel-$(CONFIG_HPUX)           += hpux/
  81
  82 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  83 libs-y  += arch/parisc/lib/ $(LIBGCC)
  84
  85 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  86
  87 PALO := $(shell if (which palo 2>&1); then : ; \
  88         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  89         fi)
  90
  91 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  92         else echo $(obj)/palo.conf; \
  93         fi)
  94
  95 palo: vmlinux
  96         @if test ! -x "$(PALO)"; then \
  97                 echo 'ERROR: Please install palo first (apt-get install palo)';\
  98                 echo 'or build it from source and install it somewhere in your $$PATH';\
  99                 false; \
 100         fi
 101         @if test ! -f "$(PALOCONF)"; then \
 102                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 103                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 104                 echo 'You should check it and re-run "make palo".'; \
 105                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 106                 false; \
 107         fi
 108         $(PALO) -f $(PALOCONF)
 109
 110 # Shorthands for known targets not supported by parisc, use vmlinux as default
 111 Image zImage bzImage: vmlinux
 112
 113 install: vmlinux
 114         sh $(src)/arch/parisc/install.sh \
 115                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 116
 117 CLEAN_FILES     += lifimage
 118 MRPROPER_FILES  += palo.conf
 119
 120 define archhelp
 121         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 122         @echo  '  palo          - Bootable image (./lifimage)'
 123         @echo  '  install       - Install kernel using'
 124         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 125         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 126         @echo  '                  copy to $$(INSTALL_PATH)'
 127 endef
 128
 129 # we require gcc 3.3 or above to compile the kernel
 130 archprepare: checkbin
 131 checkbin:
 132         @if test "$(call cc-version)" -lt "0303"; then \
 133                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 134                 echo "the kernel." ; \
 135                 false ; \
 136         fi