tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#
2# arch/xtensa/boot/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License. See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8#
9
10
11# KBUILD_CFLAGS used when building rest of boot (takes effect recursively)
12KBUILD_CFLAGS += -fno-builtin -Iarch/$(ARCH)/boot/include
13HOSTFLAGS += -Iarch/$(ARCH)/boot/include
14
15BIG_ENDIAN := $(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#")
16
17export ccflags-y
18export BIG_ENDIAN
19
20subdir-y := lib
21
22# Subdirs for the boot loader(s)
23
24boot-$(CONFIG_XTENSA_PLATFORM_ISS) += Image
25boot-$(CONFIG_XTENSA_PLATFORM_XT2000) += Image zImage uImage
26boot-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += Image zImage uImage
27
28all: $(boot-y)
29Image: boot-elf
30zImage: boot-redboot
31uImage: $(obj)/uImage
32
33boot-elf boot-redboot: $(addprefix $(obj)/,$(subdir-y))
34 $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS)
35
36OBJCOPYFLAGS = --strip-all -R .comment -R .notes -O binary
37
38vmlinux.bin: vmlinux FORCE
39 $(call if_changed,objcopy)
40
41vmlinux.bin.gz: vmlinux.bin FORCE
42 $(call if_changed,gzip)
43
44boot-elf: vmlinux.bin
45boot-redboot: vmlinux.bin.gz
46
47UIMAGE_LOADADDR = $(CONFIG_KERNEL_LOAD_ADDRESS)
48UIMAGE_COMPRESSION = gzip
49
50$(obj)/uImage: vmlinux.bin.gz FORCE
51 $(call if_changed,uimage)
52 $(Q)$(kecho) ' Kernel: $@ is ready'