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 16KBUILD_DEFCONFIG := 3c120_defconfig 17 18UTS_SYSNAME = Linux 19 20export MMU 21 22LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name) 23 24KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION) 25 26KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__ 27KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION) 28KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul) 29KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx) 30KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div) 31KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx) 32KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx) 33KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_FPU_SUPPORT),-mcustom-fpu-cfg=60-1,) 34 35KBUILD_CFLAGS += -fno-optimize-sibling-calls 36KBUILD_CFLAGS += -DUTS_SYSNAME=\"$(UTS_SYSNAME)\" 37KBUILD_CFLAGS += -fno-builtin 38KBUILD_CFLAGS += -G 0 39 40head-y := arch/nios2/kernel/head.o 41libs-y += arch/nios2/lib/ $(LIBGCC) 42core-y += arch/nios2/kernel/ arch/nios2/mm/ 43core-y += arch/nios2/platform/ 44 45INSTALL_PATH ?= /tftpboot 46nios2-boot := arch/$(ARCH)/boot 47BOOT_TARGETS = vmImage zImage 48PHONY += $(BOOT_TARGETS) install 49KBUILD_IMAGE := $(nios2-boot)/vmImage 50 51core-y += $(nios2-boot)/dts/ 52 53all: vmImage 54 55$(BOOT_TARGETS): vmlinux 56 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@ 57 58install: 59 sh $(srctree)/$(nios2-boot)/install.sh $(KERNELRELEASE) \ 60 $(KBUILD_IMAGE) System.map "$(INSTALL_PATH)" 61 62define archhelp 63 echo '* vmImage - Kernel-only image for U-Boot ($(KBUILD_IMAGE))' 64 echo ' install - Install kernel using' 65 echo ' (your) ~/bin/$(INSTALLKERNEL) or' 66 echo ' (distribution) /sbin/$(INSTALLKERNEL) or' 67 echo ' install to $$(INSTALL_PATH)' 68endef 69