26bc60ac82
This patch adds icount event to the replay subsystem. This event corresponds to execution of several instructions and used to synchronize input events in the replay phase. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162354.8676.31351.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
48 lines
1 KiB
C
48 lines
1 KiB
C
/*
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* replay.c
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*
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* Copyright (c) 2010-2015 Institute for System Programming
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* of the Russian Academy of Sciences.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu-common.h"
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#include "sysemu/replay.h"
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#include "replay-internal.h"
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#include "qemu/timer.h"
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ReplayMode replay_mode = REPLAY_MODE_NONE;
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ReplayState replay_state;
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bool replay_next_event_is(int event)
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{
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bool res = false;
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/* nothing to skip - not all instructions used */
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if (replay_state.instructions_count != 0) {
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assert(replay_data_kind == EVENT_INSTRUCTION);
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return event == EVENT_INSTRUCTION;
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}
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while (true) {
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if (event == replay_data_kind) {
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res = true;
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}
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switch (replay_data_kind) {
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default:
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/* clock, time_t, checkpoint and other events */
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return res;
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}
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}
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return res;
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}
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uint64_t replay_get_current_step(void)
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{
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return cpu_get_icount_raw();
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}
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