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) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  27 export LIBGCC
  28
  29 ifdef CONFIG_64BIT
  30 UTS_MACHINE     := parisc64
  31 CHECKFLAGS      += -D__LP64__=1
  32 CC_ARCHES       = hppa64
  33 LD_BFD          := elf64-hppa-linux
  34 else # 32-bit
  35 CC_ARCHES       = hppa hppa2.0 hppa1.1
  36 LD_BFD          := elf32-hppa-linux
  37 endif
  38
  39 export LD_BFD
  40
  41 ifneq ($(SUBARCH),$(UTS_MACHINE))
  42         ifeq ($(CROSS_COMPILE),)
  43                 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
  44                 CROSS_COMPILE := $(call cc-cross-prefix, \
  45                         $(foreach a,$(CC_ARCHES), \
  46                         $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
  47         endif
  48 endif
  49
  50 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  51
  52 cflags-y        := -pipe
  53
  54 # These flags should be implied by an hppa-linux configuration, but they
  55 # are not in gcc 3.2.
  56 cflags-y        += -mno-space-regs
  57
  58 # -mfast-indirect-calls is only relevant for 32-bit kernels.
  59 ifndef CONFIG_64BIT
  60 cflags-y        += -mfast-indirect-calls
  61 endif
  62
  63 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  64 # If that gets optimized, we might need to disable the use of fpregs in the
  65 # kernel.
  66 cflags-y        += -mdisable-fpregs
  67
  68 # Without this, "ld -r" results in .text sections that are too big
  69 # (> 0x40000) for branches to reach stubs.
  70 cflags-y        += -ffunction-sections
  71
  72 # Use long jumps instead of long branches (needed if your linker fails to
  73 # link a too big vmlinux executable). Not enabled for building modules.
  74 ifdef CONFIG_MLONGCALLS
  75 KBUILD_CFLAGS_KERNEL += -mlong-calls
  76 endif
  77
  78 # select which processor to optimise for
  79 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  80 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  81 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  82 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  83 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  84
  85 head-y                  := arch/parisc/kernel/head.o
  86
  87 KBUILD_CFLAGS   += $(cflags-y)
  88
  89 kernel-y                        := mm/ kernel/ math-emu/
  90
  91 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  92 libs-y  += arch/parisc/lib/ $(LIBGCC)
  93
  94 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  95
  96 boot    := arch/parisc/boot
  97
  98 PALO := $(shell if (which palo 2>&1); then : ; \
  99         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 100         fi)
 101
 102 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
 103         else echo $(obj)/palo.conf; \
 104         fi)
 105
 106 palo lifimage: vmlinuz
 107         @if test ! -x "$(PALO)"; then \
 108                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 109                 echo 'or build it from source and install it somewhere in your $$PATH';\
 110                 false; \
 111         fi
 112         @if test ! -f "$(PALOCONF)"; then \
 113                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 114                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 115                 echo 'You should check it and re-run "make palo".'; \
 116                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 117                 false; \
 118         fi
 119         $(PALO) -f $(PALOCONF)
 120
 121 BOOT_TARGETS    = zImage Image palo lifimage
 122 INSTALL_TARGETS = zinstall install
 123
 124 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 125
 126 # Default kernel to build
 127 all: bzImage
 128
 129 zImage: vmlinuz
 130 Image: vmlinux
 131
 132 bzImage: vmlinux
 133         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 134
 135 ifdef CONFIG_PARISC_SELF_EXTRACT
 136 vmlinuz: bzImage
 137         $(OBJCOPY) $(boot)/bzImage $@
 138 else
 139 vmlinuz: vmlinux
 140         @gzip -cf -9 $< > $@
 141 endif
 142
 143 install:
 144         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 145                         $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 146 zinstall:
 147         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 148                         $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 149
 150 CLEAN_FILES     += lifimage
 151 MRPROPER_FILES  += palo.conf
 152
 153 define archhelp
 154         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 155         @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 156         @echo  '  palo          - Bootable image (./lifimage)'
 157         @echo  '  install       - Install uncompressed vmlinux kernel using'
 158         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 159         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 160         @echo  '                  copy to $$(INSTALL_PATH)'
 161         @echo  '  zinstall      - Install compressed vmlinuz kernel'
 162 endef
 163
 164 # we require gcc 3.3 or above to compile the kernel
 165 archprepare: checkbin
 166 checkbin:
 167         @if test "$(cc-version)" -lt "0303"; then \
 168                 echo -n "Sorry, GCC v3.3 or above is required to build " ; \
 169                 echo "the kernel." ; \
 170                 false ; \
 171         fi