tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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