projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| db569afa SR |
1 | # |
| 2 | # linux/arch/x86/boot/compressed/Makefile | |
| 3 | # | |
| 4 | # create a compressed vmlinux image from the original vmlinux | |
| 5 | # | |
| 6 | ||
| ae03c499 | 7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o |
| db569afa SR |
8 | |
| 9 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
| 10 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
| 95a38f34 | 11 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
| db569afa SR |
12 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
| 13 | KBUILD_CFLAGS += $(cflags-y) | |
| 14 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | |
| 15 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
| 16 | ||
| 17 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
| 18 | ||
| 19 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
| 20 | LDFLAGS_vmlinux := -T | |
| 21 | ||
| 51b26ada | 22 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE |
| db569afa SR |
23 | $(call if_changed,ld) |
| 24 | @: | |
| 25 | ||
| 099e1377 | 26 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
| db569afa SR |
27 | $(obj)/vmlinux.bin: vmlinux FORCE |
| 28 | $(call if_changed,objcopy) | |
| 29 | ||
| 30 | ||
| 7f16a339 PA |
31 | targets += vmlinux.bin.all vmlinux.relocs relocs |
| 32 | hostprogs-$(CONFIG_X86_32) += relocs | |
| db569afa SR |
33 | |
| 34 | quiet_cmd_relocs = RELOCS $@ | |
| 35 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< | |
| 36 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE | |
| 37 | $(call if_changed,relocs) | |
| 38 | ||
| 39 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
| 40 | vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs | |
| 41 | quiet_cmd_relocbin = BUILD $@ | |
| 42 | cmd_relocbin = cat $(filter-out FORCE,$^) > $@ | |
| 43 | $(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE | |
| 44 | $(call if_changed,relocbin) | |
| 45 | ||
| 7f16a339 PA |
46 | ifeq ($(CONFIG_X86_32),y) |
| 47 | ||
| db569afa SR |
48 | ifdef CONFIG_RELOCATABLE |
| 49 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE | |
| 50 | $(call if_changed,gzip) | |
| ae03c499 AK |
51 | $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin.all FORCE |
| 52 | $(call if_changed,bzip2) | |
| 53 | $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE | |
| 54 | $(call if_changed,lzma) | |
| 968de4f0 | 55 | else |
| db569afa SR |
56 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE |
| 57 | $(call if_changed,gzip) | |
| ae03c499 AK |
58 | $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE |
| 59 | $(call if_changed,bzip2) | |
| 60 | $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE | |
| 61 | $(call if_changed,lzma) | |
| 968de4f0 | 62 | endif |
| db569afa SR |
63 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T |
| 64 | ||
| 65 | else | |
| ae03c499 | 66 | |
| db569afa SR |
67 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE |
| 68 | $(call if_changed,gzip) | |
| ae03c499 AK |
69 | $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE |
| 70 | $(call if_changed,bzip2) | |
| 71 | $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE | |
| 72 | $(call if_changed,lzma) | |
| db569afa SR |
73 | |
| 74 | LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T | |
| 75 | endif | |
| 76 | ||
| ae03c499 AK |
77 | suffix_$(CONFIG_KERNEL_GZIP) = gz |
| 78 | suffix_$(CONFIG_KERNEL_BZIP2) = bz2 | |
| 79 | suffix_$(CONFIG_KERNEL_LZMA) = lzma | |
| 80 | ||
| 81 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE | |
| db569afa | 82 | $(call if_changed,ld) |