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 $(addprefix $(obj)/,$(host-progs)) 35 $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) 36 37OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary 38 39vmlinux.bin: vmlinux FORCE 40 $(call if_changed,objcopy) 41 42vmlinux.bin.gz: vmlinux.bin FORCE 43 $(call if_changed,gzip) 44 45boot-elf: vmlinux.bin 46boot-redboot: vmlinux.bin.gz 47 48UIMAGE_LOADADDR = $(CONFIG_KERNEL_LOAD_ADDRESS) 49UIMAGE_COMPRESSION = gzip 50 51$(obj)/uImage: vmlinux.bin.gz FORCE 52 $(call if_changed,uimage) 53 $(Q)$(kecho) ' Kernel: $@ is ready' 54