4 # Copyright (C) 2001,02,03,05 NEC Corporation
5 # Copyright (C) 2001,02,03,05 Miles Bader <miles@gnu.org>
7 # This file is included by the global makefile so that you can add your own
8 # architecture-specific flags and dependencies. Remember to do have actions
9 # for "archclean" and "archdep" for cleaning up and making dependencies for
12 # This file is subject to the terms and conditions of the GNU General Public
13 # License. See the file "COPYING" in the main directory of this archive
19 KBUILD_CFLAGS += -mv850e
20 # r16 is a fixed pointer to the current task
21 KBUILD_CFLAGS += -ffixed-r16 -mno-prolog-function
22 KBUILD_CFLAGS += -fno-builtin
23 KBUILD_CFLAGS += -D__linux__ -DUTS_SYSNAME=\"uClinux\"
25 # By default, build a kernel that runs on the gdb v850 simulator.
26 KBUILD_DEFCONFIG := sim_defconfig
28 # This prevents the linker from consolidating the .gnu.linkonce.this_module
29 # section into .text (which the v850 default linker script for -r does for
31 LDFLAGS_MODULE += --unique=.gnu.linkonce.this_module
33 OBJCOPY_FLAGS_BLOB := -I binary -O elf32-little -B v850e
36 head-y := $(arch_dir)/kernel/head.o $(arch_dir)/kernel/init_task.o
37 core-y += $(arch_dir)/kernel/
38 libs-y += $(arch_dir)/lib/
41 # Deal with the initial contents of the root device
43 core-y += root_fs_image.o
45 # Because the kernel build-system erases all explicit .o build rules, we
46 # have to use an intermediate target to fool it into building for us.
47 # This results in it being built anew each time, but that's alright.
48 root_fs_image.o: root_fs_image_force
50 root_fs_image_force: $(ROOT_FS_IMAGE)
51 $(OBJCOPY) $(OBJCOPY_FLAGS_BLOB) --rename-section .data=.root,alloc,load,readonly,data,contents $< root_fs_image.o
54 CLEAN_FILES += root_fs_image.o