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
  16 KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
  17 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
  18 KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf
  19 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
  20 ifndef CONFIG_64BIT
  21 KBUILD_CFLAGS += -mfast-indirect-calls
  22 endif
  23
  24 OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
  25
  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 $(obj)/vmlinux.bin: vmlinux
  59         $(call if_changed,objcopy)
  60
  61 vmlinux.bin.all-y := $(obj)/vmlinux.bin
  62
  63 suffix-$(CONFIG_KERNEL_GZIP)  := gz
  64 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
  65 suffix-$(CONFIG_KERNEL_LZ4)  := lz4
  66 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
  67 suffix-$(CONFIG_KERNEL_LZO)  := lzo
  68 suffix-$(CONFIG_KERNEL_XZ)  := xz
  69
  70 $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
  71         $(call if_changed,gzip)
  72 $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
  73         $(call if_changed,bzip2)
  74 $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
  75         $(call if_changed,lz4)
  76 $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
  77         $(call if_changed,lzma)
  78 $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
  79         $(call if_changed,lzo)
  80 $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
  81         $(call if_changed,xzkern)
  82
  83 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
  84 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y)
  85         $(call if_changed,ld)