sim: Move the BaseTLB to src/arch/generic/

The TLB-related code is generally architecture dependent and should
live in the arch directory to signify that.

--HG--
rename : src/sim/BaseTLB.py => src/arch/generic/BaseTLB.py
rename : src/sim/tlb.cc => src/arch/generic/tlb.cc
rename : src/sim/tlb.hh => src/arch/generic/tlb.hh

1 files changed, 72 insertions, 0 deletions

diff --git a/src/arch/generic/tlb.cc b/src/arch/generic/tlb.cc
new file mode 100644
index 000000000..39ea09b0d
--- /dev/null
+++ b/src/arch/generic/tlb.cc
@@ -0,0 +1,72 @@
+/*
+ * 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 "arch/generic/tlb.hh"
+
+#include "cpu/thread_context.hh"
+#include "mem/page_table.hh"
+#include "sim/faults.hh"
+#include "sim/full_system.hh"
+#include "sim/process.hh"
+
+Fault
+GenericTLB::translateAtomic(RequestPtr req, ThreadContext *tc, Mode)
+{
+    if (FullSystem)
+        panic("Generic translation shouldn't be used in full system mode.\n");
+
+    Process * p = tc->getProcessPtr();
+
+    Fault fault = p->pTable->translate(req);
+    if(fault != NoFault)
+        return fault;
+
+    return NoFault;
+}
+
+void
+GenericTLB::translateTiming(RequestPtr req, ThreadContext *tc,
+        Translation *translation, Mode mode)
+{
+    assert(translation);
+    translation->finish(translateAtomic(req, tc, mode), req, tc, mode);
+}
+
+Fault
+GenericTLB::finalizePhysical(RequestPtr req, ThreadContext *tc, Mode mode) const
+{
+    return NoFault;
+}
+
+void
+GenericTLB::demapPage(Addr vaddr, uint64_t asn)
+{
+    warn("Demapping pages in the generic TLB is unnecessary.\n");
+}