fix(cache): 修复fault信号的wait阶段复位

chisel/playground/src/cache/DCache.scala

@@ -533,6 +533,8 @@ class DCache(cacheConfig: CacheConfig)(implicit cpuConfig: CpuConfig) extends Mo
       ptw_scratch.dcache_wait  := true.B
       when(io.cpu.complete_single_request) {
         ptw_scratch.dcache_wait := false.B
+        access_fault            := false.B // 清除access_fault
+        page_fault              := false.B // 清除page_fault
         state                   := s_idle
       }
     }

chisel/playground/src/cache/ICache.scala

@@ -307,7 +307,9 @@ class ICache(cacheConfig: CacheConfig)(implicit cpuConfig: CpuConfig) extends Mo
     is(s_wait) {
       // 等待流水线的allow_to_go信号，防止多次发出读请求
       when(io.cpu.complete_single_request) {
-        state := s_idle
+        access_fault := false.B // 清除access_fault
+        page_fault   := false.B // 清除page_fault
+        state        := s_idle
         (0 until instFetchNum).foreach(i => rdata_in_wait(i).valid := false.B)
       }
     }