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CoreTiming: Fix scheduling into the past

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ForceExceptionCheck messes up the downcount and slice length if the
callback is scheduled into the past (g_slice_length becomes negative)
This commit is contained in:
EmptyChaos
2016-09-02 02:18:14 +00:00
parent ac63e54473
commit 59465911d7
2 changed files with 9 additions and 1 deletions
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7
Source/UnitTests/Core/CoreTimingTest.cpp
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@ -241,6 +241,13 @@ TEST(CoreTiming, ScheduleIntoPast)
CoreTiming::g_global_timer += 1000;
Core::DeclareAsCPUThread();
AdvanceAndCheck(1, MAX_SLICE_LENGTH, MAX_SLICE_LENGTH + 1000);
// Schedule directly into the past from the CPU.
// This shouldn't happen in practice, but it's best if we don't mess up the slice length and
// downcount if we do.
CoreTiming::ScheduleEvent(-1000, s_cb_next, CB_IDS[0]);
EXPECT_EQ(0, PowerPC::ppcState.downcount);
AdvanceAndCheck(0, MAX_SLICE_LENGTH, 1000);
}
TEST(CoreTiming, Overclocking)