From f0544e52ca7d30d216054ab5e22c02a1c34a861f Mon Sep 17 00:00:00 2001
From: Laraib Khan <68371562+laraibkhan119@users.noreply.github.com>
Date: Thu, 24 Sep 2020 09:29:29 +0500
Subject: [PATCH] Lsu Trigger updated and ready for verification

---
 src/main/scala/lsu/el2_lsu_trigger.scala | 28 ++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/main/scala/lsu/el2_lsu_trigger.scala

diff --git a/src/main/scala/lsu/el2_lsu_trigger.scala b/src/main/scala/lsu/el2_lsu_trigger.scala
new file mode 100644
index 00000000..4b8aa8c1
--- /dev/null
+++ b/src/main/scala/lsu/el2_lsu_trigger.scala
@@ -0,0 +1,28 @@
+package lsu
+import chisel3._
+import lib._
+import chisel3.util._
+import include._
+class el2_lsu_trigger extends Module with el2_lib {
+  val io = IO(new Bundle{
+    val trigger_pkt_any        = Input(Vec (4,(new el2_trigger_pkt_t)))
+    val lsu_pkt_m              = Input(new el2_lsu_pkt_t)
+    val lsu_addr_m             = Input(UInt(32.W))
+    val store_data_m           = Input(UInt(32.W))
+    val lsu_trigger_match_m    = Output(UInt(4.W))
+
+  })
+  val lsu_match_data = Wire(Vec(4, UInt(32.W)))
+  io.lsu_trigger_match_m:=0.U
+
+  val store_data_trigger_m= Cat((Fill(16,io.lsu_pkt_m.word) & io.store_data_m(31,16)),(Fill(8,(io.lsu_pkt_m.half | io.lsu_pkt_m.word)) & io.store_data_m(15,8)), io.store_data_m(7,0))
+
+  lsu_match_data := VecInit.tabulate(4)(i =>  (Fill(32, !io.trigger_pkt_any(i).select) & io.lsu_addr_m) |  (Fill(32, io.trigger_pkt_any(i).select) & io.trigger_pkt_any(i).store) & store_data_trigger_m)
+  io.lsu_trigger_match_m :=  (0 until 4).map(i =>io.lsu_pkt_m.valid & !io.lsu_pkt_m.dma & (io.trigger_pkt_any(i).store & io.lsu_pkt_m.store)|
+    (io.trigger_pkt_any(i).load & io.lsu_pkt_m.load & !io.trigger_pkt_any(i).select) &
+      rvmaskandmatch(io.trigger_pkt_any(i).tdata2, lsu_match_data(i), io.trigger_pkt_any(i).match_.asBool())).reverse.reduce(Cat(_,_))
+}
+object main_trigger extends App{
+  println("Generate Verilog")
+  println((new chisel3.stage.ChiselStage).emitVerilog(new el2_lsu_trigger()))
+}