在 2023/3/29 上午3:56, Richard Henderson 写道:

@@ -33,7 +33,39 @@ const VMStateDescription vmstate_loongarch_cpu = {
          VMSTATE_UINTTL_ARRAY(env.gpr, LoongArchCPU, 32),
          VMSTATE_UINTTL(env.pc, LoongArchCPU),
-        VMSTATE_UINT64_ARRAY(env.fpr, LoongArchCPU, 32),
+        VMSTATE_INT64(env.fpr[0].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[1].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[2].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[3].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[4].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[5].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[6].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[7].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[8].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[9].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[10].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[11].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[12].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[13].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[14].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[15].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[16].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[17].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[18].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[19].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[20].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[21].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[22].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[23].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[24].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[25].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[26].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[27].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[28].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[29].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[30].vreg.D(0), LoongArchCPU),
+        VMSTATE_INT64(env.fpr[31].vreg.D(0), LoongArchCPU),

Do you care about migration compatibility between qemu versions?
If not, it might be easier to handle the vector registers differently.

Since our features are not yet complete, such as 128 bit vector instrcutions, 256 bit vector instructions
and kvm , we don't care about this now.

Thanks.
Song Gao