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
6 # Copyright (C) 2013 Altera Corporation
7 # Copyright (C) 1994, 95, 96, 2003 by Wind River Systems
8 # Written by Fredrik Markstrom
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.
14 # Nios2 port by Wind River Systems Inc trough:
15 # fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
17 KBUILD_DEFCONFIG := 3c120_defconfig
23 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
25 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
26 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
27 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
31 KBUILD_CFLAGS += -fno-optimize-sibling-calls
32 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
33 KBUILD_CFLAGS += -fno-builtin
36 head-y := arch/nios2/kernel/head.o
37 libs-y += arch/nios2/lib/ $(LIBGCC)
38 core-y += arch/nios2/kernel/ arch/nios2/mm/
39 core-y += arch/nios2/platform/
41 INSTALL_PATH ?= /tftpboot
42 nios2-boot := arch/$(ARCH)/boot
43 BOOT_TARGETS = vmImage zImage
44 PHONY += $(BOOT_TARGETS) install
45 KBUILD_IMAGE := $(nios2-boot)/vmImage
47 ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
48 core-y += $(nios2-boot)/
54 $(Q)$(MAKE) $(clean)=$(nios2-boot)
57 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
60 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
62 $(BOOT_TARGETS): vmlinux
63 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
66 $(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install
69 echo '* vmImage - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
70 echo ' install - Install kernel using'
71 echo ' (your) ~/bin/$(INSTALLKERNEL) or'
72 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
73 echo ' install to $$(INSTALL_PATH)'
74 echo ' dtbs - Build device tree blobs for enabled boards'