arch/s390/purgatory/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 OBJECT_FILES_NON_STANDARD := y
   4
   5 purgatory-y := head.o purgatory.o string.o sha256.o mem.o
   6
   7 targets += $(purgatory-y) purgatory.ro kexec-purgatory.c
   8 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
   9
  10 $(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
  11         $(call if_changed_rule,cc_o_c)
  12
  13 $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
  14         $(call if_changed_rule,as_o_S)
  15
  16 KCOV_INSTRUMENT := n
  17 GCOV_PROFILE := n
  18 UBSAN_SANITIZE := n
  19 KASAN_SANITIZE := n
  20
  21 LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib
  22 LDFLAGS_purgatory.ro += -z nodefaultlib
  23 KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
  24 KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
  25 KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
  26 KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
  27 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
  28 KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
  29
  30 $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
  31                 $(call if_changed,ld)
  32
  33 quiet_cmd_bin2c = BIN2C   $@
  34       cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
  35
  36 $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
  37         $(call if_changed,bin2c)
  38
  39 obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o