projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9b884676 | 1 | # |
| 0530bf37 | 2 | # linux/arch/x86/boot/compressed/Makefile |
| 9b884676 TG |
3 | # |
| 4 | # create a compressed vmlinux image from the original vmlinux | |
| 5 | # | |
| 6 | ||
| 7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz head_32.o misc_32.o piggy.o \ | |
| 8 | vmlinux.bin.all vmlinux.relocs | |
| 9 | EXTRA_AFLAGS := -traditional | |
| 10 | ||
| 11 | LDFLAGS_vmlinux := -T | |
| 12 | hostprogs-y := relocs | |
| 13 | ||
| a0f97e06 | 14 | KBUILD_CFLAGS := -m32 -D__KERNEL__ $(LINUX_INCLUDE) -O2 \ |
| 9b884676 TG |
15 | -fno-strict-aliasing -fPIC \ |
| 16 | $(call cc-option,-ffreestanding) \ | |
| 17 | $(call cc-option,-fno-stack-protector) | |
| 18 | LDFLAGS := -m elf_i386 | |
| 19 | ||
| 20 | $(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/misc_32.o $(obj)/piggy.o FORCE | |
| 21 | $(call if_changed,ld) | |
| 22 | @: | |
| 23 | ||
| 24 | $(obj)/vmlinux.bin: vmlinux FORCE | |
| 25 | $(call if_changed,objcopy) | |
| 26 | ||
| 27 | quiet_cmd_relocs = RELOCS $@ | |
| 28 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< | |
| 29 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE | |
| 30 | $(call if_changed,relocs) | |
| 31 | ||
| 32 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
| 33 | vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs | |
| 34 | quiet_cmd_relocbin = BUILD $@ | |
| 35 | cmd_relocbin = cat $(filter-out FORCE,$^) > $@ | |
| 36 | $(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE | |
| 37 | $(call if_changed,relocbin) | |
| 38 | ||
| 39 | ifdef CONFIG_RELOCATABLE | |
| 40 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE | |
| 41 | $(call if_changed,gzip) | |
| 42 | else | |
| 43 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE | |
| 44 | $(call if_changed,gzip) | |
| 45 | endif | |
| 46 | ||
| 47 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T | |
| 48 | ||
| 49 | $(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.gz FORCE | |
| 50 | $(call if_changed,ld) |