arch/parisc/boot/compressed/Makefile

   1 #
   2 # linux/arch/parisc/boot/compressed/Makefile
   3 #
   4 # create a compressed self-extracting vmlinux image from the original vmlinux
   5 #
   6
   7 KCOV_INSTRUMENT := n
   8 GCOV_PROFILE := n
   9 UBSAN_SANITIZE := n
  10
  11 targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
  12 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
  13 targets += misc.o piggy.o sizes.h head.o real2.o firmware.o
  14
  15 KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
  16 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
  17 KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
  18 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
  19 ifndef CONFIG_64BIT
  20 KBUILD_CFLAGS += -mfast-indirect-calls
  21 endif
  22
  23 OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
  24
  25 # LDFLAGS_vmlinux := -X --whole-archive -e startup -T
  26 LDFLAGS_vmlinux := -X -e startup --as-needed -T
  27 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(LIBGCC)
  28         $(call if_changed,ld)
  29
  30 sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p'
  31
  32 quiet_cmd_sizes = GEN $@
  33       cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@
  34
  35 $(obj)/sizes.h: vmlinux
  36         $(call if_changed,sizes)
  37
  38 AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER
  39 $(obj)/head.o: $(obj)/sizes.h
  40
  41 CFLAGS_misc.o += -I$(objtree)/$(obj)
  42 $(obj)/misc.o: $(obj)/sizes.h
  43
  44 $(obj)/firmware.o: $(obj)/firmware.c
  45 $(obj)/firmware.c: $(srctree)/arch/$(SRCARCH)/kernel/firmware.c
  46         $(call cmd,shipped)
  47
  48 AFLAGS_real2.o += -DBOOTLOADER
  49 $(obj)/real2.o: $(obj)/real2.S
  50 $(obj)/real2.S: $(srctree)/arch/$(SRCARCH)/kernel/real2.S
  51         $(call cmd,shipped)
  52
  53 $(obj)/misc.o: $(obj)/sizes.h
  54
  55 CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
  56 $(obj)/vmlinux.lds: $(obj)/sizes.h
  57
  58 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .comment -S
  59 $(obj)/vmlinux.bin: vmlinux
  60         $(call if_changed,objcopy)
  61
  62 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  63
  64 suffix-$(CONFIG_KERNEL_GZIP)  := gz
  65 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
  66 suffix-$(CONFIG_KERNEL_LZ4)  := lz4
  67 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
  68 suffix-$(CONFIG_KERNEL_LZO)  := lzo
  69 suffix-$(CONFIG_KERNEL_XZ)  := xz
  70
  71 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
  72         $(call if_changed,gzip)
  73 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
  74         $(call if_changed,bzip2)
  75 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
  76         $(call if_changed,lz4)
  77 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
  78         $(call if_changed,lzma)
  79 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
  80         $(call if_changed,lzo)
  81 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
  82         $(call if_changed,xzkern)
  83
  84 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
  85 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
  86         $(call if_changed,ld)