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[Qemu-devel] ppc emulation and interrupts


From: Stefano Stabellini
Subject: [Qemu-devel] ppc emulation and interrupts
Date: Wed, 21 Jan 2009 11:49:10 +0000
User-agent: Thunderbird 2.0.0.14 (X11/20080505)

Hi all,
one of the recent problems, noticed after the displaystate change,
affects ppc emulation only and is due to the fact that none on ppc
emulation is issuing any interrupt request of the CPU_INTERRUPT_EXIT
kind if the gui timer is disabled.
Hence qemu never leaves the loop in cpu-exec.c:cpu_exec.
If the gui timer is enabled qemu is able to leave the loop because the
condition (interrupt_request & CPU_INTERRUPT_EXIT) is true when the
timer is triggered.
I think this is a problem with the ppc emulation but if you ppc guys
need the gui timer to be always on, I can arrange for it to be.
Regards,

Stefano Stabellini




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