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 NM              = sh $(srctree)/arch/parisc/nm
  23 CHECKFLAGS      += -D__hppa__=1
  24
  25 ifdef CONFIG_64BIT
  26 UTS_MACHINE     := parisc64
  27 CHECKFLAGS      += -D__LP64__=1
  28 CC_ARCHES       = hppa64
  29 LD_BFD          := elf64-hppa-linux
  30 else # 32-bit
  31 CC_ARCHES       = hppa hppa2.0 hppa1.1
  32 LD_BFD          := elf32-hppa-linux
  33 endif
  34
  35 # select defconfig based on actual architecture
  36 ifeq ($(shell uname -m),parisc64)
  37         KBUILD_DEFCONFIG := generic-64bit_defconfig
  38 else
  39         KBUILD_DEFCONFIG := generic-32bit_defconfig
  40 endif
  41
  42 export LD_BFD
  43
  44 ifneq ($(SUBARCH),$(UTS_MACHINE))
  45         ifeq ($(CROSS_COMPILE),)
  46                 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu
  47                 CROSS_COMPILE := $(call cc-cross-prefix, \
  48                         $(foreach a,$(CC_ARCHES), \
  49                         $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-)))
  50         endif
  51 endif
  52
  53 ifdef CONFIG_DYNAMIC_FTRACE
  54 ifdef CONFIG_64BIT
  55 NOP_COUNT := 8
  56 else
  57 NOP_COUNT := 5
  58 endif
  59
  60 export CC_USING_RECORD_MCOUNT:=1
  61 export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
  62
  63 KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
  64 KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
  65                  -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
  66
  67 CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
  68 endif
  69
  70 OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  71
  72 cflags-y        := -pipe
  73
  74 # These flags should be implied by an hppa-linux configuration, but they
  75 # are not in gcc 3.2.
  76 cflags-y        += -mno-space-regs
  77
  78 # -mfast-indirect-calls is only relevant for 32-bit kernels.
  79 ifndef CONFIG_64BIT
  80 cflags-y        += -mfast-indirect-calls
  81 endif
  82
  83 # Currently we save and restore fpregs on all kernel entry/interruption paths.
  84 # If that gets optimized, we might need to disable the use of fpregs in the
  85 # kernel.
  86 cflags-y        += -mdisable-fpregs
  87
  88 # Use long jumps instead of long branches (needed if your linker fails to
  89 # link a too big vmlinux executable). Not enabled for building modules.
  90 ifdef CONFIG_MLONGCALLS
  91 KBUILD_CFLAGS_KERNEL += -mlong-calls
  92 endif
  93
  94 # Without this, "ld -r" results in .text sections that are too big (> 0x40000)
  95 # for branches to reach stubs. And multiple .text sections trigger a warning
  96 # when creating the sysfs module information section.
  97 ifndef CONFIG_64BIT
  98 KBUILD_CFLAGS_MODULE += -ffunction-sections
  99 endif
 100
 101 # select which processor to optimise for
 102 cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
 103 cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
 104 cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
 105 cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
 106 cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
 107
 108 head-y                  := arch/parisc/kernel/head.o
 109
 110 KBUILD_CFLAGS   += $(cflags-y)
 111 LIBGCC          := $(shell $(CC) -print-libgcc-file-name)
 112 export LIBGCC
 113
 114 kernel-y                        := mm/ kernel/ math-emu/
 115
 116 core-y  += $(addprefix arch/parisc/, $(kernel-y))
 117 libs-y  += arch/parisc/lib/ $(LIBGCC)
 118
 119 drivers-$(CONFIG_OPROFILE)              += arch/parisc/oprofile/
 120
 121 boot    := arch/parisc/boot
 122
 123 PALO := $(shell if (which palo 2>&1); then : ; \
 124         elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 125         fi)
 126
 127 PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
 128         else echo $(objtree)/palo.conf; \
 129         fi)
 130
 131 palo lifimage: vmlinuz
 132         @if test ! -x "$(PALO)"; then \
 133                 echo 'ERROR: Please install palo first (apt-get install palo)';\
 134                 echo 'or build it from source and install it somewhere in your $$PATH';\
 135                 false; \
 136         fi
 137         @if test ! -f "$(PALOCONF)"; then \
 138                 cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
 139                 echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
 140                 echo 'You should check it and re-run "make palo".'; \
 141                 echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 142                 false; \
 143         fi
 144         $(PALO) -f $(PALOCONF)
 145
 146 BOOT_TARGETS    = zImage Image palo lifimage
 147 INSTALL_TARGETS = zinstall install
 148
 149 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 150
 151 # Default kernel to build
 152 all: bzImage
 153
 154 zImage: vmlinuz
 155 Image: vmlinux
 156
 157 bzImage: vmlinux
 158         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 159
 160 ifdef CONFIG_PARISC_SELF_EXTRACT
 161 vmlinuz: bzImage
 162         $(OBJCOPY) $(boot)/bzImage $@
 163 else
 164 vmlinuz: vmlinux
 165         @$(KGZIP) -cf -9 $< > $@
 166 endif
 167
 168 install:
 169         $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
 170                         $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 171 zinstall:
 172         $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
 173                         $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 174
 175 CLEAN_FILES     += lifimage
 176 MRPROPER_FILES  += palo.conf
 177
 178 define archhelp
 179         @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 180         @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 181         @echo  '  palo          - Bootable image (./lifimage)'
 182         @echo  '  install       - Install uncompressed vmlinux kernel using'
 183         @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 184         @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 185         @echo  '                  copy to $$(INSTALL_PATH)'
 186         @echo  '  zinstall      - Install compressed vmlinuz kernel'
 187 endef
 188
 189 archclean:
 190         $(Q)$(MAKE) $(clean)=$(boot)
 191
 192 archheaders:
 193         $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all