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This was done in a mostly automated fashion. I did it in three steps and then
rebased it into a single step which avoids repeatedly touching every file in
the tree.
The first step was a sed-based addition of the parent type to the subclass
registration functions.
The second step was another sed-based removal of subclass registration functions
while also adding virtual functions from the base class into a class_init
function as appropriate.
Finally, a python script was used to convert the DeviceInfo structures and
qdev_register_subclass functions to TypeInfo structures, class_init functions,
and type_register_static calls.
We are almost fully converted to QOM after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This converts two devices at once because PIC subclasses ISA and converting
subclasses independently is extremely hard.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Analogously to the APIC, we will reuse some parts of the user space
i8259 model for KVM. The base class provides a common device state, the
vmstate, the property list, a reset core and some shared init bits.
This also introduces a common helper to instantiate a single i8259 chip
from the cascade-creating i8259_init function.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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