On Tue, Jul 26, 2016 at 8:00 AM, Peter Maydell <peter.mayd...@linaro.org> wrote:
> On 26 July 2016 at 15:37, Alistair Francis <alistai...@gmail.com> wrote:
>> Signed-off-by: Alistair Francis <alist...@alistair23.me>
>> ---
>>
>> hw/core/irq.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
>> include/hw/irq.h | 13 +++++++++++++
>> 2 files changed, 57 insertions(+)
>>
>> diff --git a/hw/core/irq.c b/hw/core/irq.c
>> index 49ff2e6..73b18b4 100644
>> --- a/hw/core/irq.c
>> +++ b/hw/core/irq.c
>> @@ -27,6 +27,7 @@
>> #include "qom/object.h"
>>
>> #define IRQ(obj) OBJECT_CHECK(struct IRQState, (obj), TYPE_IRQ)
>> +#define OR_IRQ(obj) OBJECT_CHECK(struct OrIRQState, (obj), TYPE_OR_IRQ)
>>
>> struct IRQState {
>> Object parent_obj;
>> @@ -36,6 +37,15 @@ struct IRQState {
>> int n;
>> };
>>
>> +struct OrIRQState {
>> + Object parent_obj;
>> +
>> + qemu_irq in_irq;
>> + qemu_irq *out_irqs;
>> + int *levels;
>
> The data in the memory pointed to by 'levels' is state, and you
> need to migrate it somehow. (Otherwise you'll give the wrong
> results the next time an input changes following a migration.)
A simple vmstate should be enough for that right?
Thanks,
Alistair
>
> thanks
> -- PMM
>
