xref: /openbmc/linux/arch/nios2/Makefile (revision d2a3b501) 
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
40libs-y		+= arch/nios2/lib/ $(LIBGCC)
41
42INSTALL_PATH ?= /tftpboot
43nios2-boot := arch/$(ARCH)/boot
44BOOT_TARGETS = vmImage zImage
45PHONY += $(BOOT_TARGETS) install
46KBUILD_IMAGE := $(nios2-boot)/vmImage
47
48all: vmImage
49
50$(BOOT_TARGETS): vmlinux
51	$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
52
53install:
54	$(call cmd,install)
55
56define archhelp
57  echo  '* vmImage         - Kernel-only image for U-Boot ($(KBUILD_IMAGE))'
58  echo  '  install         - Install kernel using'
59  echo  '                     (your) ~/bin/$(INSTALLKERNEL) or'
60  echo  '                     (distribution) /sbin/$(INSTALLKERNEL) or'
61  echo  '                     install to $$(INSTALL_PATH)'
62endef
63