blob: f89d96f11a9fc9c6f7f1cd11c44efbb71cea3a36 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# linux/arch/x86_64/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6# Note all the files here are compiled/linked as 32bit executables.
7#
8
9targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
10EXTRA_AFLAGS := -traditional -m32
11
12# cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with
13# -m32
14CFLAGS := -m32 -D__KERNEL__ -Iinclude -O2 -fno-strict-aliasing
15LDFLAGS := -m elf_i386
16
17LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup_32 -m elf_i386
18
19$(obj)/vmlinux: $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
20 $(call if_changed,ld)
21 @:
22
23$(obj)/vmlinux.bin: vmlinux FORCE
24 $(call if_changed,objcopy)
25
26$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
27 $(call if_changed,gzip)
28
29LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
30
31$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
32 $(call if_changed,ld)