linux/arch/parisc/Makefile
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   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
  20KBUILD_DEFCONFIG := default_defconfig
  21
  22NM              = sh $(srctree)/arch/parisc/nm
  23CHECKFLAGS      += -D__hppa__=1
  24
  25MACHINE         := $(shell uname -m)
  26ifeq ($(MACHINE),parisc*)
  27NATIVE          := 1
  28endif
  29
  30ifdef CONFIG_64BIT
  31UTS_MACHINE     := parisc64
  32CHECKFLAGS      += -D__LP64__=1 -m64
  33WIDTH           := 64
  34CROSS_COMPILE   := hppa64-linux-gnu-
  35else # 32-bit
  36WIDTH           :=
  37endif
  38
  39# attempt to help out folks who are cross-compiling
  40ifeq ($(NATIVE),1)
  41CROSS_COMPILE   := hppa$(WIDTH)-linux-
  42endif
  43
  44OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  45
  46cflags-y        := -pipe
  47
  48# These flags should be implied by an hppa-linux configuration, but they
  49# are not in gcc 3.2.
  50cflags-y        += -mno-space-regs -mfast-indirect-calls
  51
  52# Currently we save and restore fpregs on all kernel entry/interruption paths.
  53# If that gets optimized, we might need to disable the use of fpregs in the
  54# kernel.
  55cflags-y        += -mdisable-fpregs
  56
  57# Without this, "ld -r" results in .text sections that are too big
  58# (> 0x40000) for branches to reach stubs.
  59ifndef CONFIG_FUNCTION_TRACER
  60  cflags-y      += -ffunction-sections
  61endif
  62
  63# select which processor to optimise for
  64cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  65cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  66cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  67cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  68cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  69
  70head-y                  := arch/parisc/kernel/head.o 
  71
  72KBUILD_CFLAGS   += $(cflags-y)
  73
  74kernel-y                        := mm/ kernel/ math-emu/ kernel/init_task.o
  75kernel-$(CONFIG_HPUX)           += hpux/
  76
  77core-y  += $(addprefix arch/parisc/, $(kernel-y))
  78libs-y  += arch/parisc/lib/ `$(CC) -print-libgcc-file-name`
  79
  80drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  81
  82PALO := $(shell if (which palo 2>&1); then : ; \
  83        elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  84        fi)
  85
  86PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  87        else echo $(obj)/palo.conf; \
  88        fi)
  89
  90palo: vmlinux
  91        @if test ! -x "$(PALO)"; then \
  92                echo 'ERROR: Please install palo first (apt-get install palo)';\
  93                echo 'or build it from source and install it somewhere in your $$PATH';\
  94                false; \
  95        fi
  96        @if test ! -f "$(PALOCONF)"; then \
  97                cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
  98                echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
  99                echo 'You should check it and re-run "make palo".'; \
 100                echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 101                false; \
 102        fi
 103        $(PALO) -f $(PALOCONF)
 104
 105# Shorthands for known targets not supported by parisc, use vmlinux as default
 106Image zImage bzImage: vmlinux
 107
 108kernel_install: vmlinux
 109        sh $(src)/arch/parisc/install.sh \
 110                        $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 111
 112install: kernel_install modules_install
 113
 114CLEAN_FILES     += lifimage
 115MRPROPER_FILES  += palo.conf
 116
 117define archhelp
 118        @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 119        @echo  '  palo          - Bootable image (./lifimage)'
 120        @echo  '  install       - Install kernel using'
 121        @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 122        @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 123        @echo  '                  copy to $$(INSTALL_PATH)'
 124endef
 125
 126# we require gcc 3.3 or above to compile the kernel
 127archprepare: checkbin
 128checkbin:
 129        @if test "$(call cc-version)" -lt "0303"; then \
 130                echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 131                echo "the kernel." ; \
 132                false ; \
 133        fi
 134