introduce a new qom device to deal with panicked event
pvpanic device is used to send guest panic event from guest to qemu. When guest panic happens, pvpanic device driver will write a event number to IO port 0x505(which is the IO port occupied by pvpanic device, by default). On receiving the event, pvpanic device will pause guest cpu(s), and send a qmp event QEVENT_GUEST_PANICKED. Signed-off-by: NWen Congyang <wency@cn.fujitsu.com> Signed-off-by: NHu Tao <hutao@cn.fujitsu.com> Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Message-id: b66077a40235b3531632a05a6ff373850afc7d2e.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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hw/misc/pvpanic.c
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