Merge pull request #141 from betrusted-io/dev-asid

Dev asid
2020-10-04 15:20:02 +02:00 · 2020-10-04 15:20:02 +02:00 · 8bd1785233
parent b7e7faebad 72f85ef6c0
commit 8bd1785233
1 changed files with 2 additions and 1 deletions
--- a/src/main/scala/vexriscv/plugin/MmuPlugin.scala
+++ b/src/main/scala/vexriscv/plugin/MmuPlugin.scala
@ -92,11 +92,12 @@ class MmuPlugin(ioRange : UInt => Bool,
      }
      val satp = new Area {
        val mode = RegInit(False)
+        val asid = Reg(Bits(9 bits))
        val ppn = Reg(UInt(20 bits))
      }

      for(offset <- List(CSR.MSTATUS, CSR.SSTATUS)) csrService.rw(offset, 19 -> status.mxr, 18 -> status.sum, 17 -> status.mprv)
-      csrService.rw(CSR.SATP, 31 -> satp.mode, 0 -> satp.ppn)
+      csrService.rw(CSR.SATP, 31 -> satp.mode, 22 -> satp.asid, 0 -> satp.ppn)
    }

    val core = pipeline plug new Area {