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 ifdef CONFIG_64BIT
  23 CROSS_COMPILE   := $(shell if [ -x /usr/bin/hppa64-linux-gnu-gcc ]; then \
  24                         echo hppa64-linux-gnu-; else echo hppa64-linux-; fi)
  25 UTS_MACHINE     := parisc64
  26 CHECKFLAGS      += -D__LP64__=1 -m64
  27 else
  28 MACHINE := $(subst 64,,$(shell uname -m))
  29 ifneq ($(MACHINE),parisc)
  30 CROSS_COMPILE   := hppa-linux-
  31 endif
  32 endif
  33
  34 FINAL_LD=$(CROSS_COMPILE)ld --warn-common --warn-section-align
  35
  36 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  37
  38 ifneq ($(call cc-ifversion, -lt, 0303, "bad"),)
  39 $(error Sorry, GCC v3.3 or above is required.)
  40 endif
  41
  42 cflags-y        := -pipe
  43
  44 # These flags should be implied by an hppa-linux configuration, but they
  45 # are not in gcc 3.2.
  46 cflags-y        += -mno-space-regs -mfast-indirect-calls
  47
  48 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  49 # If that gets optimized, we might need to disable the use of fpregs in the
  50 # kernel.
  51 cflags-y        += -mdisable-fpregs
  52
  53 # Without this, "ld -r" results in .text sections that are too big
  54 # (> 0x40000) for branches to reach stubs.
  55 cflags-y        += -ffunction-sections
  56
  57 # select which processor to optimise for
  58 cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  59 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  60 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  61 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  62 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  63
  64 head-y                  := arch/parisc/kernel/head.o
  65
  66 KBUILD_CFLAGS   += $(cflags-y)
  67
  68 kernel-y                        := mm/ kernel/ math-emu/ kernel/init_task.o
  69 kernel-$(CONFIG_HPUX)           += hpux/
  70
  71 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  72 libs-y  += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
  73
  74 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  75
  76 PALO := $(shell if which palo; then : ; \
  77         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  78         fi)
  79
  80 palo: vmlinux
  81         @if [ -x $PALO ]; then \
  82                 echo 'ERROR: Please install palo first (apt-get install palo)';\
  83                 echo 'or build it from source and install it somewhere in your $$PATH';\
  84                 false; \
  85         fi
  86         @if [ ! -f ./palo.conf ]; then \
  87                 cp arch/parisc/defpalo.conf palo.conf; \
  88                 echo 'A generic palo config file (./palo.conf) has been created for you.'; \
  89                 echo 'You should check it and re-run "make palo".'; \
  90                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
  91                 false; \
  92         fi
  93         $(PALO) -f ./palo.conf
  94
  95 oldpalo: vmlinux
  96         export TOPDIR=`pwd`; \
  97         unset STRIP LDFLAGS CPP CPPFLAGS AFLAGS CFLAGS CC LD; cd ../palo && make lifimage
  98
  99 # Shorthands for known targets not supported by parisc, use palo as default
 100 Image zImage bzImage: palo
 101
 102 kernel_install: vmlinux
 103         sh $(src)/arch/parisc/install.sh \
 104                         $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 105
 106 install: kernel_install modules_install
 107
 108 CLEAN_FILES     += lifimage
 109 MRPROPER_FILES  += palo.conf
 110
 111 define archhelp
 112         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 113         @echo  '  palo          - Bootable image (./lifimage)'
 114         @echo  '  install       - Install kernel using'
 115         @echo  '                  (your) ~/bin/installkernel or'
 116         @echo  '                  (distribution) /sbin/installkernel or'
 117         @echo  '                  copy to $$(INSTALL_PATH)'
 118 endef