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authorStephen Hines <hines@cs.fsu.edu>2009-04-05 18:53:15 -0700
committerStephen Hines <hines@cs.fsu.edu>2009-04-05 18:53:15 -0700
commit7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (patch)
tree727269d84fb4ba0e7db6e1c7ffdeb3e114b71773 /src/arch/arm/vtophys.cc
parent65332ef3a9df48f7ff11b417b0ffc4a171824931 (diff)
downloadgem5-7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9.tar.xz
arm: add ARM support to M5
Diffstat (limited to 'src/arch/arm/vtophys.cc')
-rw-r--r--src/arch/arm/vtophys.cc66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/arch/arm/vtophys.cc b/src/arch/arm/vtophys.cc
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+/*
+ * Copyright (c) 2002-2005 The Regents of The University of Michigan
+ * Copyright (c) 2007-2008 The Florida State University
+ * 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: Ali Saidi
+ * Nathan Binkert
+ * Stephen Hines
+ */
+
+#include <string>
+
+#include "arch/arm/vtophys.hh"
+#include "base/chunk_generator.hh"
+#include "base/trace.hh"
+#include "cpu/thread_context.hh"
+#include "mem/vport.hh"
+
+using namespace std;
+using namespace ArmISA;
+
+Addr
+ArmISA::vtophys(Addr vaddr)
+{
+ Addr paddr = 0;
+ if (ArmISA::IsUSeg(vaddr))
+ DPRINTF(VtoPhys, "vtophys: invalid vaddr %#x", vaddr);
+ else if (ArmISA::IsKSeg0(vaddr))
+ paddr = ArmISA::KSeg02Phys(vaddr);
+ else
+ panic("vtophys: ptbr is not set on virtual lookup for vaddr %#x", vaddr);
+
+ DPRINTF(VtoPhys, "vtophys(%#x) -> %#x\n", vaddr, paddr);
+
+ return paddr;
+}
+
+Addr
+ArmISA::vtophys(ThreadContext *tc, Addr addr)
+{
+ fatal("VTOPHYS: Unimplemented on ARM\n");
+}
+