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 # Use long jumps instead of long branches (needed if your linker fails to
  69 # link a too big vmlinux executable). Not enabled for building modules.
  70 ifdef CONFIG_MLONGCALLS
  71 KBUILD_CFLAGS_KERNEL += -mlong-calls
  72 endif
  73
  74 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
  75 # for branches to reach stubs. And multiple .text sections trigger a warning
  76 # when creating the sysfs module information section.
  77 ifndef CONFIG_64BIT
  78 KBUILD_CFLAGS_MODULE += -ffunction-sections
  79 endif
  80
  81 # select which processor to optimise for
  82 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
  83 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
  84 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
  85 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
  86 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
  87
  88 head-y                  := arch/parisc/kernel/head.o
  89
  90 KBUILD_CFLAGS   += $(cflags-y)
  91
  92 kernel-y                        := mm/ kernel/ math-emu/
  93
  94 core-y  += $(addprefix arch/parisc/, $(kernel-y))
  95 libs-y  += arch/parisc/lib/ $(LIBGCC)
  96
  97 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
  98
  99 boot    := arch/parisc/boot
 100
 101 PALO := $(shell if (which palo 2>&1); then : ; \
 102         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 103         fi)
 104
 105 PALOCONF := $(shell if [ -f $(src)/palo.conf ]; then echo $(src)/palo.conf; \
 106         else echo $(obj)/palo.conf; \
 107         fi)
 108
 109 palo lifimage: vmlinuz
 110         @if test ! -x "$(PALO)"; then \
 111                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 112                 echo 'or build it from source and install it somewhere in your $$PATH';\
 113                 false; \
 114         fi
 115         @if test ! -f "$(PALOCONF)"; then \
 116                 cp $(src)/arch/parisc/defpalo.conf $(obj)/palo.conf; \
 117                 echo 'A generic palo config file ($(obj)/palo.conf) has been created for you.'; \
 118                 echo 'You should check it and re-run "make palo".'; \
 119                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 120                 false; \
 121         fi
 122         $(PALO) -f $(PALOCONF)
 123
 124 BOOT_TARGETS    = zImage Image palo lifimage
 125 INSTALL_TARGETS = zinstall install
 126
 127 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 128
 129 # Default kernel to build
 130 all: bzImage
 131
 132 zImage: vmlinuz
 133 Image: vmlinux
 134
 135 bzImage: vmlinux
 136         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 137
 138 ifdef CONFIG_PARISC_SELF_EXTRACT
 139 vmlinuz: bzImage
 140         $(OBJCOPY) $(boot)/bzImage $@
 141 else
 142 vmlinuz: vmlinux
 143         @gzip -cf -9 $< > $@
 144 endif
 145
 146 install:
 147         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 148                         $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 149 zinstall:
 150         $(CONFIG_SHELL) $(src)/arch/parisc/install.sh \
 151                         $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 152
 153 CLEAN_FILES     += lifimage
 154 MRPROPER_FILES  += palo.conf
 155
 156 define archhelp
 157         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 158         @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 159         @echo  '  palo          - Bootable image (./lifimage)'
 160         @echo  '  install       - Install uncompressed vmlinux kernel using'
 161         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 162         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 163         @echo  '                  copy to $$(INSTALL_PATH)'
 164         @echo  '  zinstall      - Install compressed vmlinuz kernel'
 165 endef
 166
 167 archheaders:
 168         $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all