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 17UTS_SYSNAME = Linux 18 19export MMU 20 21LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) 22 23KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ 24KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul) 25KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx) 26KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div) 27KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,) 28 29KBUILD_CFLAGS += -fno-optimize-sibling-calls 30KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\" 31KBUILD_CFLAGS += -fno-builtin 32KBUILD_CFLAGS += -G 0 33 34head-y := arch/nios2/kernel/head.o 35libs-y += arch/nios2/lib/ $(LIBGCC) 36core-y += arch/nios2/kernel/ arch/nios2/mm/ 37core-y += arch/nios2/platform/ 38 39INSTALL_PATH ?= /tftpboot 40nios2-boot := arch/$(ARCH)/boot 41BOOT_TARGETS = vmImage zImage 42PHONY += $(BOOT_TARGETS) install 43KBUILD_IMAGE := $(nios2-boot)/vmImage 44 45ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"") 46 core-y += $(nios2-boot)/ 47endif 48 49all: vmImage 50 51archclean: 52 $(Q)$(MAKE) $(clean)=$(nios2-boot) 53 54%.dtb: 55 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 56 57dtbs: 58 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 59 60$(BOOT_TARGETS): vmlinux 61 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 62 63install: 64 $(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install 65 66define archhelp 67 echo '* vmImage - Kernel-only image for U-Boot ($(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' 73endef 74