static_inst.cc

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/*
 * Copyright (c) 2003-2005 The Regents of The University of Michigan
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#include "cpu/static_inst.hh"
 
#include <iostream>
 
#include "cpu/thread_context.hh"
 
namespace gem5
{
 
StaticInstPtr
StaticInst::fetchMicroop(MicroPC upc) const
{
    panic("StaticInst::fetchMicroop() called on instruction "
          "that is not microcoded.");
}
 
std::unique_ptr<PCStateBase>
StaticInst::branchTarget(const PCStateBase &pc) const
{
    panic("StaticInst::branchTarget() called on instruction "
          "that is not a PC-relative branch.");
}
 
std::unique_ptr<PCStateBase>
StaticInst::branchTarget(ThreadContext *tc) const
{
    panic("StaticInst::branchTarget() called on instruction "
          "that is not an indirect branch.");
}
 
const std::string &
StaticInst::disassemble(Addr pc, const loader::SymbolTable *symtab) const
{
    if (!cachedDisassembly) {
        cachedDisassembly =
            std::make_unique<std::string>(generateDisassembly(pc, symtab));
    }
 
    return *cachedDisassembly;
}
 
void
StaticInst::printFlags(std::ostream &outs,
    const std::string &separator) const
{
    bool printed_a_flag = false;
 
    for (unsigned int flag = IsNop; flag < Num_Flags; flag++) {
        if (flags[flag]) {
            if (printed_a_flag)
                outs << separator;
 
            outs << FlagsStrings[flag];
            printed_a_flag = true;
        }
    }
}
 
void
StaticInst::advancePC(ThreadContext *tc) const
{
    std::unique_ptr<PCStateBase> pc(tc->pcState().clone());
    advancePC(*pc);
    tc->pcState(*pc);
}
 
} // namespace gem5