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 cflags-y        += -ffunction-sections
  66
  67 # Use long jumps instead of long branches (needed if your linker fails to
  68 # link a too big vmlinux executable). Not enabled for building modules.
  69 ifdef CONFIG_MLONGCALLS
  70 KBUILD_CFLAGS_KERNEL += -mlong-calls
  71 endif
  72
  73 # select which processor to optimise for
  74 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  75 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  76 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  77 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  78 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  79
  80 head-y                  := arch/parisc/kernel/head.o
  81
  82 KBUILD_CFLAGS   += $(cflags-y)
  83
  84 kernel-y                        := mm/ kernel/ math-emu/
  85
  86 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  87 libs-y  += arch/parisc/lib/ $(LIBGCC)
  88
  89 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  90
  91 PALO := $(shell if (which palo 2>&1); then : ; \
  92         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
  93         fi)
  94
  95 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
  96         else echo $(obj)/palo.conf; \
  97         fi)
  98
  99 palo lifimage: vmlinuz
 100         @if test ! -x "$(PALO)"; then \
 101                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 102                 echo 'or build it from source and install it somewhere in your $$PATH';\
 103                 false; \
 104         fi
 105         @if test ! -f "$(PALOCONF)"; then \
 106                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 107                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 108                 echo 'You should check it and re-run "make palo".'; \
 109                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 110                 false; \
 111         fi
 112         $(PALO) -f $(PALOCONF)
 113
 114 BOOT_TARGETS    = zImage Image palo lifimage
 115 INSTALL_TARGETS = zinstall install
 116
 117 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 118
 119 bzImage zImage: vmlinuz
 120 Image: vmlinux
 121
 122 vmlinuz: vmlinux
 123         @gzip -cf -9 $< > $@
 124
 125 install:
 126         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 127                         $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 128 zinstall:
 129         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 130                         $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 131
 132 CLEAN_FILES     += lifimage
 133 MRPROPER_FILES  += palo.conf
 134
 135 define archhelp
 136         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 137         @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 138         @echo  '  palo          - Bootable image (./lifimage)'
 139         @echo  '  install       - Install uncompressed vmlinux kernel using'
 140         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 141         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 142         @echo  '                  copy to $$(INSTALL_PATH)'
 143         @echo  '  zinstall      - Install compressed vmlinuz kernel'
 144 endef
 145
 146 # we require gcc 3.3 or above to compile the kernel
 147 archprepare: checkbin
 148 checkbin:
 149         @if test "$(cc-version)" -lt "0303"; then \
 150                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 151                 echo "the kernel." ; \
 152                 false ; \
 153         fi