1 files changed, 88 insertions, 0 deletions
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
new file mode 100644
index 000000000..762fc4537
--- /dev/null
+++ b/arch/s390/kernel/Makefile
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the linux kernel.
+#
+
+ifdef CONFIG_FUNCTION_TRACER
+
+# Do not trace tracer code
+CFLAGS_REMOVE_ftrace.o		= $(CC_FLAGS_FTRACE)
+
+# Do not trace early setup code
+CFLAGS_REMOVE_early.o		= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_early_nobss.o	= $(CC_FLAGS_FTRACE)
+
+endif
+
+GCOV_PROFILE_early.o		:= n
+GCOV_PROFILE_early_nobss.o	:= n
+
+KCOV_INSTRUMENT_early.o		:= n
+KCOV_INSTRUMENT_early_nobss.o	:= n
+
+UBSAN_SANITIZE_early.o		:= n
+UBSAN_SANITIZE_early_nobss.o	:= n
+
+KASAN_SANITIZE_early_nobss.o	:= n
+
+#
+# Passing null pointers is ok for smp code, since we access the lowcore here.
+#
+CFLAGS_smp.o		:= -Wno-nonnull
+
+#
+# Disable tailcall optimizations for stack / callchain walking functions
+# since this might generate broken code when accessing register 15 and
+# passing its content to other functions.
+#
+CFLAGS_stacktrace.o	+= -fno-optimize-sibling-calls
+CFLAGS_dumpstack.o	+= -fno-optimize-sibling-calls
+
+#
+# Pass UTS_MACHINE for user_regset definition
+#
+CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'
+
+obj-y	:= traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
+obj-y	+= processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
+obj-y	+= debug.o irq.o ipl.o dis.o diag.o vdso.o early_nobss.o
+obj-y	+= sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
+obj-y	+= runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
+obj-y	+= entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
+obj-y	+= nospec-branch.o
+
+extra-y				+= head64.o vmlinux.lds
+
+obj-$(CONFIG_SYSFS)		+= nospec-sysfs.o
+CFLAGS_REMOVE_nospec-branch.o	+= $(CC_FLAGS_EXPOLINE)
+
+obj-$(CONFIG_MODULES)		+= module.o
+obj-$(CONFIG_SMP)		+= smp.o
+obj-$(CONFIG_SCHED_TOPOLOGY)	+= topology.o
+obj-$(CONFIG_HIBERNATION)	+= suspend.o swsusp.o
+obj-$(CONFIG_AUDIT)		+= audit.o
+compat-obj-$(CONFIG_AUDIT)	+= compat_audit.o
+obj-$(CONFIG_COMPAT)		+= compat_linux.o compat_signal.o
+obj-$(CONFIG_COMPAT)		+= compat_wrapper.o $(compat-obj-y)
+obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
+obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
+obj-$(CONFIG_KPROBES)		+= kprobes.o
+obj-$(CONFIG_FUNCTION_TRACER)	+= mcount.o ftrace.o
+obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
+obj-$(CONFIG_UPROBES)		+= uprobes.o
+obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o
+
+obj-$(CONFIG_KEXEC_FILE)	+= machine_kexec_file.o kexec_image.o
+obj-$(CONFIG_KEXEC_FILE)	+= kexec_elf.o
+
+obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o perf_cpum_cf.o perf_cpum_sf.o
+obj-$(CONFIG_PERF_EVENTS)	+= perf_cpum_cf_events.o perf_regs.o
+
+obj-$(CONFIG_TRACEPOINTS)	+= trace.o
+
+# vdso
+obj-y				+= vdso64/
+obj-$(CONFIG_COMPAT)		+= vdso32/
+
+chkbss := head64.o early_nobss.o
+include $(srctree)/arch/s390/scripts/Makefile.chkbss