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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
Masahiro Yamada8212f892021-10-13 15:36:22 +090011# architecture-specific flags and dependencies.
Ley Foon Tan2fc84832014-11-06 15:20:19 +080012#
13# Nios2 port by Wind River Systems Inc trough:
14# fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
15
Paul Bolled1e4ef02014-12-11 10:49:36 +080016KBUILD_DEFCONFIG := 3c120_defconfig
17
Ley Foon Tan2fc84832014-11-06 15:20:19 +080018UTS_SYSNAME = Linux
19
20export MMU
21
Marek Vasutfb75a2b2016-05-17 14:01:18 +080022LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
Ley Foon Tan2fc84832014-11-06 15:20:19 +080023
Marek Vasuta89988a2017-04-19 13:19:00 +020024KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
25
Ley Foon Tan2fc84832014-11-06 15:20:19 +080026KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
Marek Vasuta89988a2017-04-19 13:19:00 +020027KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
Ley Foon Tan2fc84832014-11-06 15:20:19 +080028KBUILD_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)
Marek Vasut23460832017-04-19 13:19:01 +020031KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx)
Marek Vasutedebea92017-04-19 13:19:02 +020032KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx)
Ley Foon Tan2fc84832014-11-06 15:20:19 +080033KBUILD_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
Ley Foon Tan2fc84832014-11-06 15:20:19 +080040libs-y += arch/nios2/lib/ $(LIBGCC)
Ley Foon Tan2fc84832014-11-06 15:20:19 +080041
42INSTALL_PATH ?= /tftpboot
43nios2-boot := arch/$(ARCH)/boot
44BOOT_TARGETS = vmImage zImage
45PHONY += $(BOOT_TARGETS) install
46KBUILD_IMAGE := $(nios2-boot)/vmImage
47
Ley Foon Tan2fc84832014-11-06 15:20:19 +080048all: vmImage
49
Ley Foon Tan2fc84832014-11-06 15:20:19 +080050$(BOOT_TARGETS): vmlinux
51 $(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
52
53install:
Masahiro Yamadaf774f5b2022-05-03 11:47:16 +090054 $(call cmd,install)
Ley Foon Tan2fc84832014-11-06 15:20:19 +080055
56define archhelp
57 echo '* vmImage - Kernel-only image for U-Boot ($(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)'
Ley Foon Tan2fc84832014-11-06 15:20:19 +080062endef