target/riscv/cpu: Restrict CPU migration to system-mode

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200522172510.25784-8-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

1 files changed, 4 insertions, 2 deletions

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 059d71f..6c78337 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -485,10 +485,12 @@ static void riscv_cpu_init(Object *obj)
     cpu_set_cpustate_pointers(cpu);
 }
 
+#ifndef CONFIG_USER_ONLY
 static const VMStateDescription vmstate_riscv_cpu = {
     .name = "cpu",
     .unmigratable = 1,
 };
+#endif
 
 static Property riscv_cpu_properties[] = {
     DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true),
@@ -544,13 +546,13 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data)
     cc->do_transaction_failed = riscv_cpu_do_transaction_failed;
     cc->do_unaligned_access = riscv_cpu_do_unaligned_access;
     cc->get_phys_page_debug = riscv_cpu_get_phys_page_debug;
+    /* For now, mark unmigratable: */
+    cc->vmsd = &vmstate_riscv_cpu;
 #endif
 #ifdef CONFIG_TCG
     cc->tcg_initialize = riscv_translate_init;
     cc->tlb_fill = riscv_cpu_tlb_fill;
 #endif
-    /* For now, mark unmigratable: */
-    cc->vmsd = &vmstate_riscv_cpu;
     device_class_set_props(dc, riscv_cpu_properties);
 }