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
  25 MACHINE         := $(shell uname -m)
  26 ifeq ($(MACHINE),parisc*)
  27 NATIVE          := 1
  28 endif
  29
  30 ifdef CONFIG_64BIT
  31 UTS_MACHINE     := parisc64
  32 CHECKFLAGS      += -D__LP64__=1 -m64
  33 WIDTH           := 64
  34
  35 # FIXME: if no default set, should really try to locate dynamically
  36 ifeq ($(CROSS_COMPILE),)
  37 CROSS_COMPILE   := hppa64-linux-gnu-
  38 endif
  39 else # 32-bit
  40 WIDTH           :=
  41 endif
  42
  43 # attempt to help out folks who are cross-compiling
  44 ifeq ($(NATIVE),1)
  45 CROSS_COMPILE   := hppa$(WIDTH)-linux-
  46 endif
  47
  48 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  49
  50 cflags-y        := -pipe
  51
  52 # These flags should be implied by an hppa-linux configuration, but they
  53 # are not in gcc 3.2.
  54 cflags-y        += -mno-space-regs -mfast-indirect-calls
  55
  56 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  57 # If that gets optimized, we might need to disable the use of fpregs in the
  58 # kernel.
  59 cflags-y        += -mdisable-fpregs
  60
  61 # Without this, "ld -r" results in .text sections that are too big
  62 # (> 0x40000) for branches to reach stubs.
  63 ifndef CONFIG_FUNCTION_TRACER
  64   cflags-y      += -ffunction-sections
  65 endif
  66
  67 # select which processor to optimise for
  68 cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  69 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  70 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  71 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  72 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  73
  74 head-y                  := arch/parisc/kernel/head.o
  75
  76 KBUILD_CFLAGS   += $(cflags-y)
  77
  78 kernel-y                        := mm/ kernel/ math-emu/ kernel/init_task.o
  79 kernel-$(CONFIG_HPUX)           += hpux/
  80
  81 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  82 libs-y  += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
  83
  84 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  85
  86 PALO := $(shell if (which palo 2>&1); then : ; \
  87         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  88         fi)
  89
  90 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  91         else echo $(obj)/palo.conf; \
  92         fi)
  93
  94 palo: vmlinux
  95         @if test ! -x "$(PALO)"; then \
  96                 echo 'ERROR: Please install palo first (apt-get install palo)';\
  97                 echo 'or build it from source and install it somewhere in your $$PATH';\
  98                 false; \
  99         fi
 100         @if test ! -f "$(PALOCONF)"; then \
 101                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 102                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 103                 echo 'You should check it and re-run "make palo".'; \
 104                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 105                 false; \
 106         fi
 107         $(PALO) -f $(PALOCONF)
 108
 109 # Shorthands for known targets not supported by parisc, use vmlinux as default
 110 Image zImage bzImage: vmlinux
 111
 112 kernel_install: vmlinux
 113         sh $(src)/arch/parisc/install.sh \
 114                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 115
 116 install: kernel_install modules_install
 117
 118 CLEAN_FILES     += lifimage
 119 MRPROPER_FILES  += palo.conf
 120
 121 define archhelp
 122         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 123         @echo  '  palo          - Bootable image (./lifimage)'
 124         @echo  '  install       - Install kernel using'
 125         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 126         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 127         @echo  '                  copy to $$(INSTALL_PATH)'
 128 endef
 129
 130 # we require gcc 3.3 or above to compile the kernel
 131 archprepare: checkbin
 132 checkbin:
 133         @if test "$(call cc-version)" -lt "0303"; then \
 134                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 135                 echo "the kernel." ; \
 136                 false ; \
 137         fi