2bc5a8b71a
The following command was run: ``` pre-commit run --all-files ``` This ensures all the files in the repository are formatted to pass our checks. Change-Id: Ia2fe3529a50ad925d1076a612d60a4280adc40de Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62572 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
// -*- mode:c++ -*-
|
|
|
|
// Copyright (c) 2007-2008 The Florida State University
|
|
// Copyright (c) 2009 The University of Edinburgh
|
|
// Copyright (c) 2021 IBM Corporation
|
|
// 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.
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Unknown instructions
|
|
//
|
|
|
|
output header {{
|
|
/**
|
|
* Static instruction class for unknown (illegal) instructions.
|
|
* These cause simulator termination if they are executed in a
|
|
* non-speculative mode. This is a leaf class.
|
|
*/
|
|
class Unknown : public PowerStaticInst
|
|
{
|
|
public:
|
|
/// Constructor
|
|
Unknown(ExtMachInst _machInst)
|
|
: PowerStaticInst("unknown", _machInst, No_OpClass)
|
|
{
|
|
// don't call execute() (which panics) if we're on a
|
|
// speculative path
|
|
flags[IsNonSpeculative] = true;
|
|
}
|
|
|
|
Fault execute(ExecContext *, Trace::InstRecord *) const override;
|
|
|
|
std::string generateDisassembly(
|
|
Addr pc, const loader::SymbolTable *symtab) const override;
|
|
};
|
|
}};
|
|
|
|
output decoder {{
|
|
std::string
|
|
Unknown::generateDisassembly(
|
|
Addr pc, const loader::SymbolTable *symtab) const
|
|
{
|
|
return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)",
|
|
"unknown", machInst, PO, inst2string(machInst));
|
|
}
|
|
}};
|
|
|
|
output exec {{
|
|
Fault
|
|
Unknown::execute(ExecContext *xc, Trace::InstRecord *traceData) const
|
|
{
|
|
inform("attempt to execute unknown instruction at %s"
|
|
"(inst 0x%08x, opcode 0x%x, binary: %s)",
|
|
xc->pcState(), machInst, PO, inst2string(machInst));
|
|
return std::make_shared<UnimplementedOpcodeFault>();
|
|
}
|
|
}};
|
|
|
|
def format Unknown() {{
|
|
decode_block = 'return new Unknown(machInst);\n'
|
|
}};
|