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
  20 KBUILD_IMAGE := vmlinuz
  21
  22 KBUILD_DEFCONFIG := default_defconfig
  23
  24 NM              = sh $(srctree)/arch/parisc/nm
  25 CHECKFLAGS      += -D__hppa__=1
  26 LIBGCC          = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  27
  28 ifdef CONFIG_64BIT
  29 UTS_MACHINE     := parisc64
  30 CHECKFLAGS      += -D__LP64__=1 -m64
  31 CC_ARCHES       = hppa64
  32 else # 32-bit
  33 CC_ARCHES       = hppa hppa2.0 hppa1.1
  34 endif
  35
  36 ifneq ($(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
  43 endif
  44
  45 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  46
  47 cflags-y        := -pipe
  48
  49 # These flags should be implied by an hppa-linux configuration, but they
  50 # are not in gcc 3.2.
  51 cflags-y        += -mno-space-regs
  52
  53 # -mfast-indirect-calls is only relevant for 32-bit kernels.
  54 ifndef CONFIG_64BIT
  55 cflags-y        += -mfast-indirect-calls
  56 endif
  57
  58 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  59 # If that gets optimized, we might need to disable the use of fpregs in the
  60 # kernel.
  61 cflags-y        += -mdisable-fpregs
  62
  63 # Without this, "ld -r" results in .text sections that are too big
  64 # (> 0x40000) for branches to reach stubs.
  65 ifndef CONFIG_FUNCTION_TRACER
  66   cflags-y      += -ffunction-sections
  67 endif
  68
  69 # Use long jumps instead of long branches (needed if your linker fails to
  70 # link a too big vmlinux executable). Not enabled for building modules.
  71 ifdef CONFIG_MLONGCALLS
  72 KBUILD_CFLAGS_KERNEL += -mlong-calls
  73 endif
  74
  75 # select which processor to optimise for
  76 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  77 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  78 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  79 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  80 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  81
  82 head-y                  := arch/parisc/kernel/head.o
  83
  84 KBUILD_CFLAGS   += $(cflags-y)
  85
  86 kernel-y                        := mm/ kernel/ math-emu/
  87
  88 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  89 libs-y  += arch/parisc/lib/ $(LIBGCC)
  90
  91 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  92
  93 PALO := $(shell if (which palo 2>&1); then : ; \
  94         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  95         fi)
  96
  97 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  98         else echo $(obj)/palo.conf; \
  99         fi)
 100
 101 palo lifimage: vmlinuz
 102         @if test ! -x "$(PALO)"; then \
 103                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 104                 echo 'or build it from source and install it somewhere in your $$PATH';\
 105                 false; \
 106         fi
 107         @if test ! -f "$(PALOCONF)"; then \
 108                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 109                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 110                 echo 'You should check it and re-run "make palo".'; \
 111                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 112                 false; \
 113         fi
 114         $(PALO) -f $(PALOCONF)
 115
 116 BOOT_TARGETS    = zImage Image palo lifimage
 117 INSTALL_TARGETS = zinstall install
 118
 119 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 120
 121 bzImage zImage: vmlinuz
 122 Image: vmlinux
 123
 124 vmlinuz: vmlinux
 125         @gzip -cf -9 $< > $@
 126
 127 install:
 128         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 129                         $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 130 zinstall:
 131         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 132                         $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 133
 134 CLEAN_FILES     += lifimage
 135 MRPROPER_FILES  += palo.conf
 136
 137 define archhelp
 138         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 139         @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 140         @echo  '  palo          - Bootable image (./lifimage)'
 141         @echo  '  install       - Install uncompressed vmlinux kernel using'
 142         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 143         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 144         @echo  '                  copy to $$(INSTALL_PATH)'
 145         @echo  '  zinstall      - Install compressed vmlinuz kernel'
 146 endef
 147
 148 # we require gcc 3.3 or above to compile the kernel
 149 archprepare: checkbin
 150 checkbin:
 151         @if test "$(cc-version)" -lt "0303"; then \
 152                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 153                 echo "the kernel." ; \
 154                 false ; \
 155         fi