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cpus: prepare new CpusAccel cpu accelerator interface

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The new interface starts unused, will start being used by the
next patches.

It provides methods for each accelerator to start a vcpu, kick a vcpu,
synchronize state, get cpu virtual clock and elapsed ticks.

In qemu_wait_io_event, make it clear that APC is used only for HAX
on Windows.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Claudio Fontana
2020-07-31 12:23:42 +02:00
committed by Paolo Bonzini
parent 8191d36841
commit 430065dab0
11 changed files with 225 additions and 123 deletions
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8
util/qemu-timer.c
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@ -635,13 +635,7 @@ int64_t qemu_clock_get_ns(QEMUClockType type)
return get_clock();
default:
case QEMU_CLOCK_VIRTUAL:
if (icount_enabled()) {
return icount_get();
} else if (qtest_enabled()) { /* for qtest_clock_warp */
return qtest_get_virtual_clock();
} else {
return cpu_get_clock();
}
return cpus_get_virtual_clock();
case QEMU_CLOCK_HOST:
return REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime());
case QEMU_CLOCK_VIRTUAL_RT: