linux/arch/parisc/Makefile
<<
>>
Prefs
   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
  20KBUILD_IMAGE := vmlinuz
  21
  22NM              = sh $(srctree)/arch/parisc/nm
  23CHECKFLAGS      += -D__hppa__=1
  24
  25ifdef CONFIG_64BIT
  26UTS_MACHINE     := parisc64
  27CHECKFLAGS      += -D__LP64__=1
  28CC_ARCHES       = hppa64
  29LD_BFD          := elf64-hppa-linux
  30else # 32-bit
  31CC_ARCHES       = hppa hppa2.0 hppa1.1
  32LD_BFD          := elf32-hppa-linux
  33endif
  34
  35# select defconfig based on actual architecture
  36ifeq ($(shell uname -m),parisc64)
  37        KBUILD_DEFCONFIG := generic-64bit_defconfig
  38else
  39        KBUILD_DEFCONFIG := generic-32bit_defconfig
  40endif
  41
  42export LD_BFD
  43
  44ifdef cross_compiling
  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
  51endif
  52
  53ifdef CONFIG_DYNAMIC_FTRACE
  54ifdef CONFIG_64BIT
  55NOP_COUNT := 8
  56else
  57NOP_COUNT := 5
  58endif
  59
  60export CC_USING_RECORD_MCOUNT:=1
  61export CC_USING_PATCHABLE_FUNCTION_ENTRY:=1
  62
  63KBUILD_AFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1
  64KBUILD_CFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY=1 \
  65                 -DFTRACE_PATCHABLE_FUNCTION_SIZE=$(NOP_COUNT)
  66
  67CC_FLAGS_FTRACE := -fpatchable-function-entry=$(NOP_COUNT),$(shell echo $$(($(NOP_COUNT)-1)))
  68endif
  69
  70OBJCOPY_FLAGS =-O binary -R .note -R .comment -S
  71
  72cflags-y        := -pipe
  73
  74# These flags should be implied by an hppa-linux configuration, but they
  75# are not in gcc 3.2.
  76cflags-y        += -mno-space-regs
  77
  78# -mfast-indirect-calls is only relevant for 32-bit kernels.
  79ifndef CONFIG_64BIT
  80cflags-y        += -mfast-indirect-calls
  81endif
  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.
  86cflags-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.
  90ifdef CONFIG_MLONGCALLS
  91KBUILD_CFLAGS_KERNEL += -mlong-calls
  92endif
  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.
  97ifndef CONFIG_64BIT
  98KBUILD_CFLAGS_MODULE += -ffunction-sections
  99endif
 100
 101# select which processor to optimise for
 102cflags-$(CONFIG_PA7000)         += -march=1.1 -mschedule=7100
 103cflags-$(CONFIG_PA7200)         += -march=1.1 -mschedule=7200
 104cflags-$(CONFIG_PA7100LC)       += -march=1.1 -mschedule=7100LC
 105cflags-$(CONFIG_PA7300LC)       += -march=1.1 -mschedule=7300
 106cflags-$(CONFIG_PA8X00)         += -march=2.0 -mschedule=8000
 107
 108head-y                  := arch/parisc/kernel/head.o 
 109
 110KBUILD_CFLAGS   += $(cflags-y)
 111LIBGCC          := $(shell $(CC) -print-libgcc-file-name)
 112export LIBGCC
 113
 114kernel-y                        := mm/ kernel/ math-emu/
 115
 116core-y  += $(addprefix arch/parisc/, $(kernel-y))
 117libs-y  += arch/parisc/lib/ $(LIBGCC)
 118
 119boot    := arch/parisc/boot
 120
 121PALO := $(shell if (which palo 2>&1); then : ; \
 122        elif [ -x /sbin/palo ]; then echo /sbin/palo; \
 123        fi)
 124
 125PALOCONF := $(shell if [ -f $(srctree)/palo.conf ]; then echo $(srctree)/palo.conf; \
 126        else echo $(objtree)/palo.conf; \
 127        fi)
 128
 129palo lifimage: vmlinuz
 130        @if test ! -x "$(PALO)"; then \
 131                echo 'ERROR: Please install palo first (apt-get install palo)';\
 132                echo 'or build it from source and install it somewhere in your $$PATH';\
 133                false; \
 134        fi
 135        @if test ! -f "$(PALOCONF)"; then \
 136                cp $(srctree)/arch/parisc/defpalo.conf $(objtree)/palo.conf; \
 137                echo 'A generic palo config file ($(objree)/palo.conf) has been created for you.'; \
 138                echo 'You should check it and re-run "make palo".'; \
 139                echo 'WARNING: the "lifimage" file is now placed in this directory by default!'; \
 140                false; \
 141        fi
 142        $(PALO) -f $(PALOCONF)
 143
 144BOOT_TARGETS    = zImage Image palo lifimage
 145INSTALL_TARGETS = zinstall install
 146
 147PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
 148
 149# Default kernel to build
 150all: bzImage
 151
 152zImage: vmlinuz
 153Image: vmlinux
 154
 155bzImage: vmlinux
 156        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 157
 158ifdef CONFIG_PARISC_SELF_EXTRACT
 159vmlinuz: bzImage
 160        $(OBJCOPY) $(boot)/bzImage $@
 161else
 162vmlinuz: vmlinux
 163        @$(KGZIP) -cf -9 $< > $@
 164endif
 165
 166install:
 167        $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
 168                        $(KERNELRELEASE) vmlinux System.map "$(INSTALL_PATH)"
 169zinstall:
 170        $(CONFIG_SHELL) $(srctree)/arch/parisc/install.sh \
 171                        $(KERNELRELEASE) vmlinuz System.map "$(INSTALL_PATH)"
 172
 173CLEAN_FILES     += lifimage
 174MRPROPER_FILES  += palo.conf
 175
 176define archhelp
 177        @echo  '* vmlinux       - Uncompressed kernel image (./vmlinux)'
 178        @echo  '  vmlinuz       - Compressed kernel image (./vmlinuz)'
 179        @echo  '  palo          - Bootable image (./lifimage)'
 180        @echo  '  install       - Install uncompressed vmlinux kernel using'
 181        @echo  '                  (your) ~/bin/$(INSTALLKERNEL) or'
 182        @echo  '                  (distribution) /sbin/$(INSTALLKERNEL) or'
 183        @echo  '                  copy to $$(INSTALL_PATH)'
 184        @echo  '  zinstall      - Install compressed vmlinuz kernel'
 185endef
 186
 187archclean:
 188        $(Q)$(MAKE) $(clean)=$(boot)
 189
 190archheaders:
 191        $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all
 192