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 17KBUILD_DEFCONFIG := 3c120_defconfig 18 19UTS_SYSNAME = Linux 20 21export MMU 22 23LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) 24 25KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION) 26 27KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ 28KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION) 29KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul) 30KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx) 31KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div) 32KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx) 33KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx) 34KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,) 35 36KBUILD_CFLAGS += -fno-optimize-sibling-calls 37KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\" 38KBUILD_CFLAGS += -fno-builtin 39KBUILD_CFLAGS += -G 0 40 41head-y := arch/nios2/kernel/head.o 42libs-y += arch/nios2/lib/ $(LIBGCC) 43core-y += arch/nios2/kernel/ arch/nios2/mm/ 44core-y += arch/nios2/platform/ 45 46INSTALL_PATH ?= /tftpboot 47nios2-boot := arch/$(ARCH)/boot 48BOOT_TARGETS = vmImage zImage 49PHONY += $(BOOT_TARGETS) install 50KBUILD_IMAGE := $(nios2-boot)/vmImage 51 52ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"") 53 core-y += $(nios2-boot)/ 54endif 55 56all: vmImage 57 58archclean: 59 $(Q)$(MAKE) $(clean)=$(nios2-boot) 60 61%.dtb: | scripts 62 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 63 64dtbs: 65 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 66 67$(BOOT_TARGETS): vmlinux 68 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 69 70install: 71 $(Q)$(MAKE) $(build)=$(nios2-boot) BOOTIMAGE=$(KBUILD_IMAGE) install 72 73define archhelp 74 echo '* vmImage - Kernel-only image for U-Boot ($(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' 80endef 81