cpu_get_tb_cpu_state() is TCG specific. Another accelerator
calling it would be a bug, so restrict the definition to TCG,
along with "tcg_s390x.h" header inclusion.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/s390x/cpu.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 38d7197f4c..110902fa3c 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -29,7 +29,6 @@
 #include "cpu_models.h"
 #include "exec/cpu-defs.h"
 #include "qemu/cpu-float.h"
-#include "tcg/tcg_s390x.h"
 #include "qapi/qapi-types-machine-common.h"
 
 #define ELF_MACHINE_UNAME "S390X"
@@ -383,6 +382,10 @@ static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch)
 #endif
 }
 
+#ifdef CONFIG_TCG
+
+#include "tcg/tcg_s390x.h"
+
 static inline void cpu_get_tb_cpu_state(CPUS390XState *env, vaddr *pc,
                                         uint64_t *cs_base, uint32_t *flags)
 {
@@ -405,6 +408,8 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState *env, vaddr *pc,
     }
 }
 
+#endif /* CONFIG_TCG */
+
 /* PER bits from control register 9 */
 #define PER_CR9_EVENT_BRANCH           0x80000000
 #define PER_CR9_EVENT_IFETCH           0x40000000
-- 
2.41.0