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authorTimothy M. Jones <tjones1@inf.ed.ac.uk>2009-10-27 09:24:39 -0700
committerTimothy M. Jones <tjones1@inf.ed.ac.uk>2009-10-27 09:24:39 -0700
commit835a55e7f347697815fc43851b2dd5a8642d21c4 (patch)
tree637768b1de6de2bc4520fad97f90194ad6d3f8d6 /src/arch/power/linux/process.hh
parent0fdfc82bde5b8975ee93d5da9c604ad9b99942e0 (diff)
downloadgem5-835a55e7f347697815fc43851b2dd5a8642d21c4.tar.xz
POWER: Add support for the Power ISA
This adds support for the 32-bit, big endian Power ISA. This supports both integer and floating point instructions based on the Power ISA Book I v2.06.
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+/*
+ * Copyright (c) 2007-2008 The Florida State University
+ * Copyright (c) 2009 The University of Edinburgh
+ * 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: Stephen Hines
+ * Timothy M. Jones
+ */
+
+#ifndef __POWER_LINUX_PROCESS_HH__
+#define __POWER_LINUX_PROCESS_HH__
+
+#include "arch/power/process.hh"
+
+
+/// A process with emulated PPC/Linux syscalls.
+class PowerLinuxProcess : public PowerLiveProcess
+{
+ public:
+ PowerLinuxProcess(LiveProcessParams * params, ObjectFile *objFile);
+
+ virtual SyscallDesc* getDesc(int callnum);
+
+ void startup();
+
+ PowerISA::IntReg getSyscallArg(ThreadContext *tc, int i);
+ void setSyscallArg(ThreadContext *tc, int i, PowerISA::IntReg val);
+
+ /// Array of syscall descriptors, indexed by call number.
+ static SyscallDesc syscallDescs[];
+
+ const int Num_Syscall_Descs;
+};
+
+#endif // __POWER_LINUX_PROCESS_HH__