[PATCH v2 3/4] target/riscv: Restrict 'rv128' machine to TCG accelerator

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

We only build for 32/64-bit hosts, so TCG is required for
128-bit targets.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/riscv/cpu.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index d9a3684b3e..5762ff68b4 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -476,6 +476,7 @@ static void rv64_veyron_v1_cpu_init(Object *obj)
 #endif
 }
 
+#ifdef CONFIG_TCG
 static void rv128_base_cpu_init(Object *obj)
 {
     if (qemu_tcg_mttcg_enabled()) {
@@ -494,7 +495,10 @@ static void rv128_base_cpu_init(Object *obj)
     set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV57);
 #endif
 }
-#else
+#endif
+
+#else /* !TARGET_RISCV64 */
+
 static void rv32_base_cpu_init(Object *obj)
 {
     CPURISCVState *env = &RISCV_CPU(obj)->env;
@@ -576,7 +580,7 @@ static void rv32_imafcu_nommu_cpu_init(Object *obj)
     cpu->cfg.ext_icsr = true;
     cpu->cfg.pmp = true;
 }
-#endif
+#endif /* !TARGET_RISCV64 */
 
 #if defined(CONFIG_KVM)
 static void riscv_host_cpu_init(Object *obj)
@@ -1951,8 +1955,10 @@ static const TypeInfo riscv_cpu_type_infos[] = {
     DEFINE_CPU(TYPE_RISCV_CPU_SHAKTI_C,         rv64_sifive_u_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_THEAD_C906,       rv64_thead_c906_cpu_init),
     DEFINE_CPU(TYPE_RISCV_CPU_VEYRON_V1,        rv64_veyron_v1_cpu_init),
+#ifdef CONFIG_TCG
     DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE128,  rv128_base_cpu_init),
-#endif
+#endif /* CONFIG_TCG */
+#endif /* TARGET_RISCV64 */
 };
 
 DEFINE_TYPES(riscv_cpu_type_infos)
-- 
2.38.1