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