LXR linux/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#
  19NM              = sh $(srctree)/arch/parisc/nm
  20CHECKFLAGS      += -D__hppa__=1
  21
  22MACHINE         := $(shell uname -m)
  23ifeq ($(MACHINE),parisc*)
  24NATIVE          := 1
  25endif
  26
  27ifdef CONFIG_64BIT
  28UTS_MACHINE     := parisc64
  29CHECKFLAGS      += -D__LP64__=1 -m64
  30WIDTH           := 64
  31CROSS_COMPILE   := hppa64-linux-gnu-
  32else # 32-bit
  33WIDTH           :=
  34endif
  35
  36# attempt to help out folks who are cross-compiling
  37ifeq ($(NATIVE),1)
  38CROSS_COMPILE   := hppa$(WIDTH)-linux-
  39endif
  40
  41OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  42
  43cflags-y        := -pipe
  44
  45# These flags should be implied by an hppa-linux configuration, but they
  46# are not in gcc 3.2.
  47cflags-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.
  52cflags-y        += -mdisable-fpregs
  53
  54# Without this, "ld -r" results in .text sections that are too big
  55# (> 0x40000) for branches to reach stubs.
  56cflags-y        += -ffunction-sections
  57
  58# select which processor to optimise for
  59cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  60cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  61cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  62cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  63cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  64
  65head-y                  := arch/parisc/kernel/head.o 
  66
  67KBUILD_CFLAGS   += $(cflags-y)
  68
  69kernel-y                        := mm/ kernel/ math-emu/ kernel/init_task.o
  70kernel-$(CONFIG_HPUX)           += hpux/
  71
  72core-y  += $(addprefix arch/parisc/, $(kernel-y))
  73libs-y  += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
  74
  75drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  76
  77PALO := $(shell if which palo; then : ; \
  78        elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  79        fi)
  80
  81PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  82        else echo $(obj)/palo.conf; \
  83        fi)
  84
  85palo: vmlinux
  86        @if test ! -x "$(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 $$PATH';\
  89                false; \
  90        fi
  91        @if test ! -f "$(PALOCONF)"; then \
  92                cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
  93                echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
  94                echo 'You should check it and re-run "make palo".'; \
  95                echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
  96                false; \
  97        fi
  98        $(PALO) -f $(PALOCONF)
  99
 100# Shorthands for known targets not supported by parisc, use vmlinux as default
 101Image zImage bzImage: vmlinux
 102
 103kernel_install: vmlinux
 104        sh $(src)/arch/parisc/install.sh \
 105                        $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 106
 107install: kernel_install modules_install
 108
 109CLEAN_FILES     += lifimage
 110MRPROPER_FILES  += palo.conf
 111
 112define archhelp
 113        @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 114        @echo  '  palo          - Bootable image (./lifimage)'
 115        @echo  '  install       - Install kernel using'
 116        @echo  '                  (your) ~/bin/installkernel or'
 117        @echo  '                  (distribution) /sbin/installkernel or'
 118        @echo  '                  copy to $$(INSTALL_PATH)'
 119endef
 120
 121# we require gcc 3.3 or above to compile the kernel
 122archprepare: checkbin
 123checkbin:
 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
 129