1 # SPDX-License-Identifier: GPL-2.0
3 OBJECT_FILES_NON_STANDARD := y
5 purgatory-y := head.o purgatory.o string.o sha256.o mem.o
7 targets += $(purgatory-y) purgatory.ro kexec-purgatory.c
8 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
10 $(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
11 $(call if_changed_rule,cc_o_c)
13 $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
14 $(call if_changed_rule,as_o_S)
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))
30 $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
33 quiet_cmd_bin2c = BIN2C $@
34 cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
36 $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
37 $(call if_changed,bin2c)
39 obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o