arch/parisc/boot/compressed/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # linux/arch/parisc/boot/compressed/Makefile
   4 #
   5 # create a compressed self-extracting vmlinux image from the original vmlinux
   6 #
   7
   8 KCOV_INSTRUMENT := n
   9 GCOV_PROFILE := n
  10 UBSAN_SANITIZE := n
  11
  12 targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
  13 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
  14 targets += misc.o piggy.o sizes.h head.o real2.o firmware.o
  15 targets += real2.S firmware.c
  16
  17 KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
  18 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
  19 KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf
  20 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
  21 ifndef CONFIG_64BIT
  22 KBUILD_CFLAGS += -mfast-indirect-calls
  23 endif
  24
  25 OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
  26
  27 LDFLAGS_vmlinux := -X -e startup --as-needed -T
  28 $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(LIBGCC)
  29         $(call if_changed,ld)
  30
  31 sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p'
  32
  33 quiet_cmd_sizes = GEN $@
  34       cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@
  35
  36 $(obj)/sizes.h: vmlinux
  37         $(call if_changed,sizes)
  38
  39 AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER
  40 $(obj)/head.o: $(obj)/sizes.h
  41
  42 CFLAGS_misc.o += -I$(objtree)/$(obj)
  43 $(obj)/misc.o: $(obj)/sizes.h
  44
  45 $(obj)/firmware.o: $(obj)/firmware.c
  46 $(obj)/firmware.c: $(srctree)/arch/$(SRCARCH)/kernel/firmware.c
  47         $(call cmd,shipped)
  48
  49 AFLAGS_real2.o += -DBOOTLOADER
  50 $(obj)/real2.o: $(obj)/real2.S
  51 $(obj)/real2.S: $(srctree)/arch/$(SRCARCH)/kernel/real2.S
  52         $(call cmd,shipped)
  53
  54 $(obj)/misc.o: $(obj)/sizes.h
  55
  56 CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
  57 $(obj)/vmlinux.lds: $(obj)/sizes.h
  58
  59 OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S
  60 $(obj)/vmlinux.bin: vmlinux FORCE
  61         $(call if_changed,objcopy)
  62
  63 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  64
  65 suffix-$(CONFIG_KERNEL_GZIP)  := gz
  66 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
  67 suffix-$(CONFIG_KERNEL_LZ4)  := lz4
  68 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
  69 suffix-$(CONFIG_KERNEL_LZO)  := lzo
  70 suffix-$(CONFIG_KERNEL_XZ)  := xz
  71
  72 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
  73         $(call if_changed,gzip)
  74 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
  75         $(call if_changed,bzip2)
  76 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
  77         $(call if_changed,lz4)
  78 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
  79         $(call if_changed,lzma)
  80 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
  81         $(call if_changed,lzo)
  82 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
  83         $(call if_changed,xzkern)
  84
  85 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
  86 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
  87         $(call if_changed,ld)