it will be used for providing to cpu name resolving class for
parsing cpu model for system and user emulation code.

Along with change add target to null-machine test, so
that when switch to CPU_RESOLVING_TYPE happens,
test would ensure that null-mchine usecase still works.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
CC: Richard Henderson <rth@twiddle.net>
CC: Alexander Graf <agraf@suse.de>
CC: qemu-s390x@nongnu.org
---
 target/s390x/cpu.h        | 1 +
 tests/machine-none-test.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 1a8b6b9..b2121cb 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -731,6 +731,7 @@ void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga,
 
 #define S390_CPU_TYPE_SUFFIX "-" TYPE_S390_CPU
 #define S390_CPU_TYPE_NAME(name) (name S390_CPU_TYPE_SUFFIX)
+#define CPU_RESOLVING_TYPE TYPE_S390_CPU
 
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
diff --git a/tests/machine-none-test.c b/tests/machine-none-test.c
index 052b8c0..b3a346d 100644
--- a/tests/machine-none-test.c
+++ b/tests/machine-none-test.c
@@ -44,6 +44,7 @@ static struct arch2cpu cpus_map[] = {
     { "ppc", "604" },
     { "ppc64", "power8e_v2.1" },
     { "ppcemb", "440epb" },
+    { "s390x", "qemu" },
 };
 
 static const char *get_cpu_model_by_arch(const char *arch)
-- 
2.7.4