| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 1 | # |
| 2 | # linux/arch/x86/boot/compressed/Makefile |
| 3 | # |
| 4 | # create a compressed vmlinux image from the original vmlinux |
| 5 | # |
| 6 | |
| Lasse Collin | 3031480 | 2011-01-12 17:01:24 -0800 | [diff] [blame] | 7 | targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 8 | |
| 9 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 |
| 10 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC |
| H. Peter Anvin | 95a38f3 | 2009-04-01 17:35:00 -0700 | [diff] [blame] | 11 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
| H. Peter Anvin | 17a2a9b | 2009-12-25 15:40:38 -0800 | [diff] [blame] | 12 | cflags-$(CONFIG_X86_32) := -march=i386 |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 13 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
| 14 | KBUILD_CFLAGS += $(cflags-y) |
| 15 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) |
| 16 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) |
| 17 | |
| 18 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ |
| Peter Oberparleiter | 7bf99fb | 2009-06-17 16:28:09 -0700 | [diff] [blame] | 19 | GCOV_PROFILE := n |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 20 | |
| 21 | LDFLAGS := -m elf_$(UTS_MACHINE) |
| 22 | LDFLAGS_vmlinux := -T |
| 23 | |
| H. Peter Anvin | 02a884c | 2009-05-08 17:42:16 -0700 | [diff] [blame] | 24 | hostprogs-y := mkpiggy |
| Matt Fleming | 12871c5 | 2012-02-28 13:37:22 +0000 | [diff] [blame] | 25 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include |
| H. Peter Anvin | 02a884c | 2009-05-08 17:42:16 -0700 | [diff] [blame] | 26 | |
| Matt Fleming | 291f363 | 2011-12-12 21:27:52 +0000 | [diff] [blame] | 27 | VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
| 28 | $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ |
| 29 | $(obj)/piggy.o |
| 30 | |
| 31 | ifeq ($(CONFIG_EFI_STUB), y) |
| 32 | VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o |
| 33 | endif |
| 34 | |
| 35 | $(obj)/vmlinux: $(VMLINUX_OBJS) FORCE |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 36 | $(call if_changed,ld) |
| 37 | @: |
| 38 | |
| Ian Campbell | 099e137 | 2008-02-13 20:54:58 +0000 | [diff] [blame] | 39 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 40 | $(obj)/vmlinux.bin: vmlinux FORCE |
| 41 | $(call if_changed,objcopy) |
| 42 | |
| 43 | |
| H. Peter Anvin | 7f16a33 | 2008-09-04 06:19:45 -0700 | [diff] [blame] | 44 | targets += vmlinux.bin.all vmlinux.relocs relocs |
| H. Peter Anvin | 5f11e02 | 2009-05-05 22:53:11 -0700 | [diff] [blame] | 45 | hostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 46 | |
| 47 | quiet_cmd_relocs = RELOCS $@ |
| 48 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< |
| 49 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE |
| 50 | $(call if_changed,relocs) |
| 51 | |
| 52 | vmlinux.bin.all-y := $(obj)/vmlinux.bin |
| H. Peter Anvin | 5f11e02 | 2009-05-05 22:53:11 -0700 | [diff] [blame] | 53 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 54 | |
| H. Peter Anvin | 5f11e02 | 2009-05-05 22:53:11 -0700 | [diff] [blame] | 55 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 56 | $(call if_changed,gzip) |
| H. Peter Anvin | 5f11e02 | 2009-05-05 22:53:11 -0700 | [diff] [blame] | 57 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
| Alain Knaff | ae03c49 | 2009-01-04 22:46:17 +0100 | [diff] [blame] | 58 | $(call if_changed,bzip2) |
| H. Peter Anvin | 5f11e02 | 2009-05-05 22:53:11 -0700 | [diff] [blame] | 59 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
| Alain Knaff | ae03c49 | 2009-01-04 22:46:17 +0100 | [diff] [blame] | 60 | $(call if_changed,lzma) |
| Lasse Collin | 3031480 | 2011-01-12 17:01:24 -0800 | [diff] [blame] | 61 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
| 62 | $(call if_changed,xzkern) |
| Albin Tonnerre | 1351099 | 2010-01-08 14:42:45 -0800 | [diff] [blame] | 63 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
| 64 | $(call if_changed,lzo) |
| Sam Ravnborg | db569af | 2008-01-30 13:32:30 +0100 | [diff] [blame] | 65 | |
| H. Peter Anvin | 283ab1c | 2009-05-08 15:32:47 -0700 | [diff] [blame] | 66 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
| 67 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 |
| 68 | suffix-$(CONFIG_KERNEL_LZMA) := lzma |
| Lasse Collin | 3031480 | 2011-01-12 17:01:24 -0800 | [diff] [blame] | 69 | suffix-$(CONFIG_KERNEL_XZ) := xz |
| Albin Tonnerre | 1351099 | 2010-01-08 14:42:45 -0800 | [diff] [blame] | 70 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
| Alain Knaff | ae03c49 | 2009-01-04 22:46:17 +0100 | [diff] [blame] | 71 | |
| H. Peter Anvin | 02a884c | 2009-05-08 17:42:16 -0700 | [diff] [blame] | 72 | quiet_cmd_mkpiggy = MKPIGGY $@ |
| 73 | cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) |
| 74 | |
| 75 | targets += piggy.S |
| 76 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE |
| 77 | $(call if_changed,mkpiggy) |