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_IMAGE := vmlinuz
  21
  22KBUILD_DEFCONFIG := default_defconfig
  23
  24NM              = sh $(srctree)/arch/parisc/nm
  25CHECKFLAGS      += -D__hppa__=1
  26LIBGCC          = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  27
  28ifdef CONFIG_64BIT
  29UTS_MACHINE     := parisc64
  30CHECKFLAGS      += -D__LP64__=1 -m64
  31CC_ARCHES       = hppa64
  32else # 32-bit
  33CC_ARCHES       = hppa hppa2.0 hppa1.1
  34endif
  35
  36ifneq ($(SUBARCH),$(UTS_MACHINE))
  37        ifeq ($(CROSS_COMPILE),)
  38                CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
  39                CROSS_COMPILE := $(call cc-cross-prefix, \
  40                        $(foreach a,$(CC_ARCHES), \
  41                        $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
  42        endif
  43endif
  44
  45OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  46
  47cflags-y        := -pipe
  48
  49# These flags should be implied by an hppa-linux configuration, but they
  50# are not in gcc 3.2.
  51cflags-y        += -mno-space-regs -mfast-indirect-calls
  52
  53# Currently we save and restore fpregs on all kernel entry/interruption paths.
  54# If that gets optimized, we might need to disable the use of fpregs in the
  55# kernel.
  56cflags-y        += -mdisable-fpregs
  57
  58# Without this, "ld -r" results in .text sections that are too big
  59# (> 0x40000) for branches to reach stubs.
  60ifndef CONFIG_FUNCTION_TRACER
  61  cflags-y      += -ffunction-sections
  62endif
  63
  64# Use long jumps instead of long branches (needed if your linker fails to
  65# link a too big vmlinux executable). Not enabled for building modules.
  66ifdef CONFIG_MLONGCALLS
  67KBUILD_CFLAGS_KERNEL += -mlong-calls
  68endif
  69
  70# select which processor to optimise for
  71cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  72cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  73cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  74cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  75cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  76
  77head-y                  := arch/parisc/kernel/head.o 
  78
  79KBUILD_CFLAGS   += $(cflags-y)
  80
  81kernel-y                        := mm/ kernel/ math-emu/
  82kernel-$(CONFIG_HPUX)           += hpux/
  83
  84core-y  += $(addprefix arch/parisc/, $(kernel-y))
  85libs-y  += arch/parisc/lib/ $(LIBGCC)
  86
  87drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  88
  89PALO := $(shell if (which palo 2>&1); then : ; \
  90        elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  91        fi)
  92
  93PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  94        else echo $(obj)/palo.conf; \
  95        fi)
  96
  97palo: vmlinuz
  98        @if test ! -x "$(PALO)"; then \
  99                echo 'ERROR: Please install palo first (apt-get install palo)';\
 100                echo 'or build it from source and install it somewhere in your $$PATH';\
 101                false; \
 102        fi
 103        @if test ! -f "$(PALOCONF)"; then \
 104                cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 105                echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 106                echo 'You should check it and re-run "make palo".'; \
 107                echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 108                false; \
 109        fi
 110        $(PALO) -f $(PALOCONF)
 111
 112# Shorthands for known targets not supported by parisc, use vmlinux/vmlinuz as default
 113Image: vmlinux
 114zImage bzImage: vmlinuz
 115
 116vmlinuz: vmlinux
 117        @gzip -cf -9 $< > $@
 118
 119install: vmlinuz
 120        sh $(src)/arch/parisc/install.sh \
 121                        $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 122
 123CLEAN_FILES     += lifimage
 124MRPROPER_FILES  += palo.conf
 125
 126define archhelp
 127        @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 128        @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 129        @echo  '  palo          - Bootable image (./lifimage)'
 130        @echo  '  install       - Install kernel using'
 131        @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 132        @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 133        @echo  '                  copy to $$(INSTALL_PATH)'
 134endef
 135
 136# we require gcc 3.3 or above to compile the kernel
 137archprepare: checkbin
 138checkbin:
 139        @if test "$(call cc-version)" -lt "0303"; then \
 140                echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 141                echo "the kernel." ; \
 142                false ; \
 143        fi
 144
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