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
7ifeq ($(BIG_ENDIAN),1)
8OBJCOPY_ARGS := -O elf32-xtensa-be
9else
10OBJCOPY_ARGS := -O elf32-xtensa-le
11endif
12
13LD_ARGS = -T $(srctree)/$(obj)/boot.ld
14
15boot-y := bootstrap.o
16targets += $(boot-y)
17
18OBJS := $(addprefix $(obj)/,$(boot-y))
19LIBS := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
20
21LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
22
23$(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
24 $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
25 --add-section image=$< \
26 --set-section-flags image=contents,alloc,load,load,data \
27 $(OBJS) $@
28
29$(obj)/zImage.elf: $(obj)/zImage.o $(LIBS)
30 $(Q)$(LD) $(LD_ARGS) -o $@ $^ -L/xtensa-elf/lib $(LIBGCC)
31
32$(obj)/../zImage.redboot: $(obj)/zImage.elf
33 $(Q)$(OBJCOPY) -S -O binary $< $@
34 $(Q)$(kecho) ' Kernel: $@ is ready'
35
36all zImage: $(obj)/../zImage.redboot