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accel/qtest: Support qtest accelerator for Windows

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Currently signal SIGIPI [=SIGUSR1] is used to kick the dummy CPU
when qtest accelerator is used. However SIGUSR1 is unsupported on
Windows. To support Windows, we add a QemuSemaphore CPUState::sem
to kick the dummy CPU instead for Windows.

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221028045736.679903-2-bin.meng@windriver.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Xuzhou Cheng 2022-10-28 12:57:26 +08:00 • committed by Thomas Huth
parent 8f4bcbcf11
commit c9923550b4
5 changed files with 20 additions and 9 deletions
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1
include/hw/core/cpu.h
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@ -333,6 +333,7 @@ struct CPUState {
struct QemuThread *thread;
#ifdef _WIN32
HANDLE hThread;
QemuSemaphore sem;
#endif
int thread_id;
bool running, has_waiter;