events.cc

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/*
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#include "kern/linux/events.hh"
 
#include <sstream>
 
#include "base/output.hh"
#include "base/trace.hh"
#include "cpu/base.hh"
#include "cpu/thread_context.hh"
#include "kern/linux/helpers.hh"
#include "kern/system_events.hh"
#include "sim/core.hh"
#include "sim/sim_exit.hh"
#include "sim/system.hh"
 
namespace gem5
{
 
namespace linux
{
 
void
PanicOrOopsEvent::process(ThreadContext *tc)
{
    warn(descr());
 
    if (behaviour != KernelPanicOopsBehaviour::Continue) {
        inform("Dumping kernel dmesg buffer to %s...\n", fname);
        OutputStream *os = simout.create(fname);
        dumpDmesg(tc, *os->stream());
        simout.close(os);
    }
 
    if (behaviour == KernelPanicOopsBehaviour::DumpDmesgAndExit) {
        exitSimLoop(descr(), static_cast<int>(1), curTick(), false);
    } else if (behaviour == KernelPanicOopsBehaviour::DumpDmesgAndPanic) {
        panic(descr());
    }
}
 
void
onUDelay(ThreadContext *tc, uint64_t div, uint64_t mul, uint64_t time)
{
    // convert parameter to ns
    if (div)
        time /= div;
 
    time *= mul;
 
    // Currently, only ARM full-system simulation uses UDelayEvents to skip
    // __delay and __loop_delay functions. One form involves setting quiesce
    // time to 0 with the assumption that quiesce will not happen. To avoid
    // the quiesce handling in this case, only execute the quiesce if time > 0.
    if (time > 0)
        tc->quiesceTick(curTick() + sim_clock::as_int::ns * time);
}
 
} // namespace linux
} // namespace gem5