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) $(KCFLAGS) -print-libgcc-file-name)
25 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
27 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
28 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx)
33 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx)
34 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,)
36 KBUILD_CFLAGS += -fno-optimize-sibling-calls
37 KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\"
38 KBUILD_CFLAGS += -fno-builtin
41 head-y := arch/nios2/kernel/head.o
42 libs-y += arch/nios2/lib/ $(LIBGCC)
43 core-y += arch/nios2/kernel/ arch/nios2/mm/
44 core-y += arch/nios2/platform/
46 INSTALL_PATH ?= /tftpboot
47 nios2-boot := arch/$(ARCH)/boot
48 BOOT_TARGETS = vmImage zImage
49 PHONY += $(BOOT_TARGETS) install
50 KBUILD_IMAGE := $(nios2-boot)/vmImage
52 ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
53 core-y += $(nios2-boot)/
59 $(Q)$(MAKE) $(clean)=$(nios2-boot)
62 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
65 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
67 $(BOOT_TARGETS): vmlinux
68 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
71 $(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install
74 echo '* vmImage - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
75 echo ' install - Install kernel using'
76 echo ' (your) ~/bin/$(INSTALLKERNEL) or'
77 echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
78 echo ' install to $$(INSTALL_PATH)'
79 echo ' dtbs - Build device tree blobs for enabled boards'