arch/nios2/Makefile

   1 #
   2 # This file is subject to the terms and conditions of the GNU General Public
   3 # License.  See the file "COPYING" in the main directory of this archive
   4 # for more details.
   5 #
   6 # Copyright (C) 2013 Altera Corporation
   7 # Copyright (C) 1994, 95, 96, 2003 by Wind River Systems
   8 # Written by Fredrik Markstrom
   9 #
  10 # This file is included by the global makefile so that you can add your own
  11 # architecture-specific flags and dependencies. Remember to do have actions
  12 # for "archclean" cleaning up for this architecture.
  13 #
  14 # Nios2 port by Wind River Systems Inc trough:
  15 #   fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
  16
  17 UTS_SYSNAME = Linux
  18
  19 export MMU
  20
  21 LIBGCC          := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  22
  23 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
  24 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
  25 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
  26 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
  27 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
  28
  29 KBUILD_CFLAGS += -fno-optimize-sibling-calls
  30 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
  31 KBUILD_CFLAGS += -fno-builtin
  32 KBUILD_CFLAGS += -G 0
  33
  34 head-y          := arch/nios2/kernel/head.o
  35 libs-y          += arch/nios2/lib/ $(LIBGCC)
  36 core-y          += arch/nios2/kernel/ arch/nios2/mm/
  37 core-y          += arch/nios2/platform/
  38
  39 INSTALL_PATH ?= /tftpboot
  40 nios2-boot := arch/$(ARCH)/boot
  41 BOOT_TARGETS = vmImage zImage
  42 PHONY += $(BOOT_TARGETS) install
  43 KBUILD_IMAGE := $(nios2-boot)/vmImage
  44
  45 ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
  46         core-y  += $(nios2-boot)/
  47 endif
  48
  49 all: vmImage
  50
  51 archclean:
  52         $(Q)$(MAKE) $(clean)=$(nios2-boot)
  53
  54 %.dtb:
  55         $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
  56
  57 dtbs:
  58         $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
  59
  60 $(BOOT_TARGETS): vmlinux
  61         $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
  62
  63 install:
  64         $(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install
  65
  66 define archhelp
  67   echo  '* vmImage         - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
  68   echo  '  install         - Install kernel using'
  69   echo  '                     (your) ~/bin/$(INSTALLKERNEL) or'
  70   echo  '                     (distribution) /sbin/$(INSTALLKERNEL) or'
  71   echo  '                     install to $$(INSTALL_PATH)'
  72   echo  '  dtbs            - Build device tree blobs for enabled boards'
  73 endef