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.
  12 #
  13 # Nios2 port by Wind River Systems Inc trough:
  14 #   fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
  15
  16 KBUILD_DEFCONFIG := 3c120_defconfig
  17
  18 UTS_SYSNAME = Linux
  19
  20 export MMU
  21
  22 LIBGCC         := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
  23
  24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
  25
  26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
  27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
  28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
  29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
  30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
  31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx)
  32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx)
  33 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
  34
  35 KBUILD_CFLAGS += -fno-optimize-sibling-calls
  36 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
  37 KBUILD_CFLAGS += -fno-builtin
  38 KBUILD_CFLAGS += -G 0
  39
  40 libs-y          += arch/nios2/lib/ $(LIBGCC)
  41
  42 INSTALL_PATH ?= /tftpboot
  43 nios2-boot := arch/$(ARCH)/boot
  44 BOOT_TARGETS = vmImage zImage
  45 PHONY += $(BOOT_TARGETS) install
  46 KBUILD_IMAGE := $(nios2-boot)/vmImage
  47
  48 all: vmImage
  49
  50 $(BOOT_TARGETS): vmlinux
  51         $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
  52
  53 install:
  54         $(call cmd,install)
  55
  56 define archhelp
  57   echo  '* vmImage         - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
  58   echo  '  install         - Install kernel using'
  59   echo  '                     (your) ~/bin/$(INSTALLKERNEL) or'
  60   echo  '                     (distribution) /sbin/$(INSTALLKERNEL) or'
  61   echo  '                     install to $$(INSTALL_PATH)'
  62 endef