[FMV] use long long type for marchid and mimpid

cyyself · cyyself · commit c6c5d6d9cf96 · 2024-10-13T17:20:40.000+08:00
diff --git a/src/c-api.adoc b/src/c-api.adoc
@@ -837,8 +837,8 @@ struct {
 
 struct {
   unsigned mvendorid;
-  unsigned marchid;
-  unsigned mimpid;
+  unsigned long long marchid;
+  unsigned long long mimpid;
 } __riscv_cpu_model;
 ```
 
