blob: 75a6876bf6c6356d3f9f9605c46154211aea82a0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# linux/arch/sh/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6
7targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
8EXTRA_AFLAGS := -traditional
9
10OBJECTS = $(obj)/head.o $(obj)/misc.o
11
12ifdef CONFIG_SH_STANDARD_BIOS
13OBJECTS += $(obj)/../../kernel/sh_bios.o
14endif
15
16#
17# IMAGE_OFFSET is the load offset of the compression loader
18# Assign dummy values if these 2 variables are not defined,
19# in order to suppress error message.
20#
21CONFIG_MEMORY_START ?= 0x0c000000
22CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
23IMAGE_OFFSET := $(shell printf "0x%8x" $$[0x80000000+$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)])
24
25LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
26
27$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
28 $(call if_changed,ld)
29 @:
30
31$(obj)/vmlinux.bin: vmlinux FORCE
32 $(call if_changed,objcopy)
33
34$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
35 $(call if_changed,gzip)
36
37LDFLAGS_piggy.o := -r --format binary --oformat elf32-sh-linux -T
38OBJCOPYFLAGS += -R .empty_zero_page
39
40$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
41 $(call if_changed,ld)