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/*
* Copyright 2020 Google Inc.
*
* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __SIM_SE_WORKLOAD_HH__
#define __SIM_SE_WORKLOAD_HH__
#include "params/SEWorkload.hh"
#include "sim/mem_pool.hh"
#include "sim/workload.hh"
namespace gem5
{
class SEWorkload : public Workload
{
protected:
/** Memory allocation objects for all physical memories in the system. */
MemPools memPools;
public:
using Params = SEWorkloadParams;
SEWorkload(const Params &p, Addr page_shift=0);
void setSystem(System *sys) override;
Addr
getEntry() const override
{
// This object represents the OS, not the individual processes running
// within it.
panic("No workload entry point for syscall emulation mode.");
}
loader::Arch
getArch() const override
{
// ISA specific subclasses should implement this method.
// This implemenetation is just to avoid having to implement those for
// now, and will be removed in the future.
panic("SEWorkload::getArch() not implemented.");
}
const loader::SymbolTable &
symtab(ThreadContext *) override
{
// This object represents the OS, not the individual processes running
// within it.
panic("No workload symbol table for syscall emulation mode.");
}
bool
insertSymbol(const loader::Symbol &symbol) override
{
// This object represents the OS, not the individual processes running
// within it.
panic("No workload symbol table for syscall emulation mode.");
}
void serialize(CheckpointOut &cp) const override;
void unserialize(CheckpointIn &cp) override;
void syscall(ThreadContext *tc) override;
// For now, assume the only type of events are system calls.
void event(ThreadContext *tc) override { syscall(tc); }
Addr allocPhysPages(int npages, int pool_id=0);
Addr memSize(int pool_id=0) const;
Addr freeMemSize(int pool_id=0) const;
};
} // namespace gem5
#endif // __SIM_SE_WORKLOAD_HH__