diff options
Diffstat (limited to 'arch/sh/boot/compressed/Makefile')
| -rw-r--r-- | arch/sh/boot/compressed/Makefile | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile new file mode 100644 index 00000000000..75a6876bf6c --- /dev/null +++ b/arch/sh/boot/compressed/Makefile @@ -0,0 +1,41 @@ +# +# linux/arch/sh/boot/compressed/Makefile +# +# create a compressed vmlinux image from the original vmlinux +# + +targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o +EXTRA_AFLAGS := -traditional + +OBJECTS = $(obj)/head.o $(obj)/misc.o + +ifdef CONFIG_SH_STANDARD_BIOS +OBJECTS += $(obj)/../../kernel/sh_bios.o +endif + +# +# IMAGE_OFFSET is the load offset of the compression loader +# Assign dummy values if these 2 variables are not defined, +# in order to suppress error message. +# +CONFIG_MEMORY_START ?= 0x0c000000 +CONFIG_BOOT_LINK_OFFSET ?= 0x00800000 +IMAGE_OFFSET := $(shell printf "0x%8x" $$[0x80000000+$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)]) + +LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds + +$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE + $(call if_changed,ld) + @: + +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T +OBJCOPYFLAGS += -R .empty_zero_page + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE + $(call if_changed,ld) |