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-rw-r--r--arch/s390/purgatory/Makefile39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
new file mode 100644
index 000000000..fdccb7689
--- /dev/null
+++ b/arch/s390/purgatory/Makefile
@@ -0,0 +1,39 @@
+# 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 FORCE
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
+ $(call if_changed_rule,as_o_S)
+
+KCOV_INSTRUMENT := n
+GCOV_PROFILE := n
+UBSAN_SANITIZE := n
+KASAN_SANITIZE := n
+
+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 -fno-common
+KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
+KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
+
+$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
+ $(call if_changed,ld)
+
+quiet_cmd_bin2c = BIN2C $@
+ cmd_bin2c = $(objtree)/scripts/bin2c kexec_purgatory < $< > $@
+
+$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
+ $(call if_changed,bin2c)
+
+obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o