blob: e142c9ee51fae7246fc72c65a061db4377e15b86 [file] [log] [blame]
Ley Foon Tan2fc84832014-11-06 15:20:19 +08001#
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