| # SPDX-License-Identifier: GPL-2.0 |
| |
| OBJECT_FILES_NON_STANDARD := y |
| |
| purgatory-y := head.o purgatory.o string.o sha256.o mem.o |
| |
| targets += $(purgatory-y) purgatory.ro kexec-purgatory.c |
| PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) |
| |
| $(obj)/sha256.o: $(srctree)/lib/sha256.c |
| $(call if_changed_rule,cc_o_c) |
| |
| $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S |
| $(call if_changed_rule,as_o_S) |
| |
| $(obj)/string.o: $(srctree)/arch/s390/lib/string.c |
| $(call if_changed_rule,cc_o_c) |
| |
| LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib |
| LDFLAGS_purgatory.ro += -z nodefaultlib |
| KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes |
| KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare |
| KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding |
| KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float |
| KBUILD_CFLAGS += $(call cc-option,-fno-PIE) |
| |
| $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE |
| $(call if_changed,ld) |
| |
| CMD_BIN2C = $(objtree)/scripts/basic/bin2c |
| quiet_cmd_bin2c = BIN2C $@ |
| cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@ |
| |
| $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE |
| $(call if_changed,bin2c) |
| |
| obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o |
