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
  24LIBGCC          = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  25
  26MACHINE         := $(shell uname -m)
  27ifeq ($(MACHINE),parisc*)
  28NATIVE          := 1
  29endif
  30
  31ifdef CONFIG_64BIT
  32UTS_MACHINE     := parisc64
  33CHECKFLAGS      += -D__LP64__=1 -m64
  34WIDTH           := 64
  35
  36# FIXME: if no default set, should really try to locate dynamically
  37ifeq ($(CROSS_COMPILE),)
  38CROSS_COMPILE   := hppa64-linux-gnu-
  39endif
  40else # 32-bit
  41WIDTH           :=
  42endif
  43
  44# attempt to help out folks who are cross-compiling
  45ifeq ($(NATIVE),1)
  46CROSS_COMPILE   := hppa$(WIDTH)-linux-
  47endif
  48
  49OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  50
  51cflags-y        := -pipe
  52
  53# These flags should be implied by an hppa-linux configuration, but they
  54# are not in gcc 3.2.
  55cflags-y        += -mno-space-regs -mfast-indirect-calls
  56
  57# Currently we save and restore fpregs on all kernel entry/interruption paths.
  58# If that gets optimized, we might need to disable the use of fpregs in the
  59# kernel.
  60cflags-y        += -mdisable-fpregs
  61
  62# Without this, "ld -r" results in .text sections that are too big
  63# (> 0x40000) for branches to reach stubs.
  64ifndef CONFIG_FUNCTION_TRACER
  65  cflags-y      += -ffunction-sections
  66endif
  67
  68# select which processor to optimise for
  69cflags-$(CONFIG_PA7100)         += -march=1.1 -mschedule=7100
  70cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  71cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  72cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  73cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  74
  75head-y                  := arch/parisc/kernel/head.o 
  76
  77KBUILD_CFLAGS   += $(cflags-y)
  78
  79kernel-y                        := mm/ kernel/ math-emu/
  80kernel-$(CONFIG_HPUX)           += hpux/
  81
  82core-y  += $(addprefix arch/parisc/, $(kernel-y))
  83libs-y  += arch/parisc/lib/ $(LIBGCC)
  84
  85drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  86
  87PALO := $(shell if (which palo 2>&1); then : ; \
  88        elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  89        fi)
  90
  91PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  92        else echo $(obj)/palo.conf; \
  93        fi)
  94
  95palo: vmlinux
  96        @if test ! -x "$(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 $$PATH';\
  99                false; \
 100        fi
 101        @if test ! -f "$(PALOCONF)"; then \
 102                cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 103                echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 104                echo 'You should check it and re-run "make palo".'; \
 105                echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 106                false; \
 107        fi
 108        $(PALO) -f $(PALOCONF)
 109
 110# Shorthands for known targets not supported by parisc, use vmlinux as default
 111Image zImage bzImage: vmlinux
 112
 113kernel_install: vmlinux
 114        sh $(src)/arch/parisc/install.sh \
 115                        $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 116
 117install: kernel_install modules_install
 118
 119CLEAN_FILES     += lifimage
 120MRPROPER_FILES  += palo.conf
 121
 122define archhelp
 123        @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 124        @echo  '  palo          - Bootable image (./lifimage)'
 125        @echo  '  install       - Install kernel using'
 126        @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 127        @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 128        @echo  '                  copy to $$(INSTALL_PATH)'
 129endef
 130
 131# we require gcc 3.3 or above to compile the kernel
 132archprepare: checkbin
 133checkbin:
 134        @if test "$(call cc-version)" -lt "0303"; then \
 135                echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 136                echo "the kernel." ; \
 137                false ; \
 138        fi
 139
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