Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # |
| 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 | |
| 9 | targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o |
| 10 | EXTRA_AFLAGS := -traditional -m32 |
| 11 | |
| 12 | # cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with |
| 13 | # -m32 |
| 14 | CFLAGS := -m32 -D__KERNEL__ -Iinclude -O2 -fno-strict-aliasing |
| 15 | LDFLAGS := -m elf_i386 |
| 16 | |
| 17 | LDFLAGS_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 | |
| 29 | LDFLAGS_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) |