Merge remote-tracking branch 'origin/dev-frontend-bpu' into dev-frontend

src/main/scala/xiangshan/frontend/Btb.scala

@@ -85,7 +85,7 @@ class BTB extends BasePredictor with BTBParams{
   // BTB read requests
   val baseBank = btbAddr.getBank(io.pc.bits)
 
-  val realMask = circularShiftRight(io.inMask, BtbBanks, baseBank)
+  val realMask = circularShiftLeft(io.inMask, BtbBanks, baseBank)
 
   val realMaskLatch = RegEnable(realMask, io.pc.valid)
 

src/main/scala/xiangshan/frontend/uBTB.scala

@@ -76,7 +76,7 @@ class MicroBTB extends BasePredictor
     val read_valid = io.pc.valid
     val read_req_tag = getTag(io.pc.bits)
     val read_req_basebank = getBank(io.pc.bits)
-    val read_mask = circularShiftRight(io.inMask, PredictWidth, read_req_basebank)
+    val read_mask = circularShiftLeft(io.inMask, PredictWidth, read_req_basebank)
 
     XSDebug(read_valid,"uBTB read req: pc:0x%x, tag:%x  basebank:%d\n",io.pc.bits,read_req_tag,read_req_basebank)
     

src/test/csrc/ram.cpp

 #include "common.h"
 
-#define RAMSIZE (128 * 1024 * 1024)
+#define RAMSIZE (256 * 1024 * 1024)
 
 static uint64_t ram[RAMSIZE / sizeof(uint64_t)];
 static long img_size = 0;