xref: /openbmc/linux/arch/nios2/Makefile (revision cfbb9be8) 
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