Address Translation: Make SE mode use an actual TLB/MMU for translation like FS.

--HG--
extra : convert_revision : a04a30df0b6246e877a1cea35420dbac94b506b1

1 files changed, 54 insertions, 0 deletions

diff --git a/src/sim/tlb.cc b/src/sim/tlb.cc
new file mode 100644
index 000000000..9c3166280
--- /dev/null
+++ b/src/sim/tlb.cc
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2001-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#include "cpu/thread_context.hh"
+#include "mem/page_table.hh"
+#include "sim/process.hh"
+#include "sim/tlb.hh"
+
+Fault
+GenericITB::translate(RequestPtr &req, ThreadContext *tc)
+{
+#if FULL_SYSTEM
+    panic("Generic ITB translation shouldn't be used in full system mode.\n");
+#else
+    return tc->getProcessPtr()->pTable->translate(req);
+#endif
+}
+
+Fault
+GenericDTB::translate(RequestPtr &req, ThreadContext *tc, bool write)
+{
+#if FULL_SYSTEM
+    panic("Generic DTB translation shouldn't be used in full system mode.\n");
+#else
+    return tc->getProcessPtr()->pTable->translate(req);
+#endif
+};