1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "cpu/base.hh"
30#include "cpu/cpu_exec_context.hh"
31#include "kern/kernel_stats.hh"
32#include "kern/system_events.hh"
33#include "sim/system.hh"
34

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66 return;
67
68 xc->getSystemPtr()->kernelBinning->call(xc, mybin);
69}
70
71void
72IdleStartEvent::process(ExecContext *xc)
73{
74 if (xc->getKernelStats())
75 xc->getKernelStats()->setIdleProcess(
76 xc->readMiscReg(AlphaISA::IPR_PALtemp23), xc);
77 remove();
78}
79
80void
81InterruptStartEvent::process(ExecContext *xc)
82{
83 if (xc->getKernelStats())
84 xc->getKernelStats()->mode(Kernel::interrupt, xc);
85}
86
87void
88InterruptEndEvent::process(ExecContext *xc)
89{
90 // We go back to kernel, if we are user, inside the rti
91 // pal code we will get switched to user because of the ICM write
92 if (xc->getKernelStats())
93 xc->getKernelStats()->mode(Kernel::kernel, xc);
94}