diff --git a/chisel/playground/src/cache/ICache.scala b/chisel/playground/src/cache/ICache.scala index e31daed..8f36330 100644 --- a/chisel/playground/src/cache/ICache.scala +++ b/chisel/playground/src/cache/ICache.scala @@ -17,12 +17,11 @@ class ICache(implicit config: CpuConfig) extends Module { val s_idle :: s_uncached :: s_save :: Nil = Enum(3) val status = RegInit(s_idle) - val read_next_addr = (status === s_idle || status === s_save) - val pc = Cat(io.cpu.addr(read_next_addr)(31, 2), 0.U(2.W)) + val read_next_addr = true.B // 未接入cache时默认使用下一个地址 + val araddr = Cat(io.cpu.addr(read_next_addr)(31, 2), 0.U(2.W)) // default val arvalid = RegInit(false.B) - val araddr = RegInit(0.U(AXI_ADDR_WID.W)) io.axi.ar.id := 0.U io.axi.ar.addr := araddr io.axi.ar.len := 0.U @@ -61,7 +60,6 @@ class ICache(implicit config: CpuConfig) extends Module { saved(0).valid := true.B status := s_save }.otherwise { - araddr := pc arvalid := true.B io.axi.ar.len := 0.U io.axi.ar.size := 2.U