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Re: [Qemu-arm] [Qemu-devel] [PATCH v1 1/5] cadence_gem: QOMify Cadence G
From: |
Alistair Francis |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH v1 1/5] cadence_gem: QOMify Cadence GEM |
Date: |
Mon, 25 Jul 2016 09:42:48 -0700 |
On Mon, Jul 25, 2016 at 9:38 AM, Alistair Francis
<address@hidden> wrote:
> On Mon, Jul 25, 2016 at 8:20 AM, Peter Maydell <address@hidden> wrote:
>> On 12 July 2016 at 00:20, Alistair Francis <address@hidden> wrote:
>>> Signed-off-by: Alistair Francis <address@hidden>
>>> ---
>>>
>>> hw/net/cadence_gem.c | 27 ++++++++++++++++-----------
>>> 1 file changed, 16 insertions(+), 11 deletions(-)
>>>
>>> diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
>>> index 8a4be1e..9d64644 100644
>>> --- a/hw/net/cadence_gem.c
>>> +++ b/hw/net/cadence_gem.c
>>> @@ -1214,24 +1214,29 @@ static NetClientInfo net_gem_info = {
>>> .link_status_changed = gem_set_link,
>>> };
>>>
>>> -static int gem_init(SysBusDevice *sbd)
>>> +static void gem_realize(DeviceState *dev, Error **errp)
>>> {
>>> - DeviceState *dev = DEVICE(sbd);
>>> CadenceGEMState *s = CADENCE_GEM(dev);
>>>
>>> - DB_PRINT("\n");
>>> + sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq);
>>>
>>> - gem_init_register_masks(s);
>>> - memory_region_init_io(&s->iomem, OBJECT(s), &gem_ops, s,
>>> - "enet", sizeof(s->regs));
>>> - sysbus_init_mmio(sbd, &s->iomem);
>>> - sysbus_init_irq(sbd, &s->irq);
>>> qemu_macaddr_default_if_unset(&s->conf.macaddr);
>>>
>>> s->nic = qemu_new_nic(&net_gem_info, &s->conf,
>>> object_get_typename(OBJECT(dev)), dev->id, s);
>>> +}
>>> +
>>> +static void gem_init(Object *obj)
>>> +{
>>> + CadenceGEMState *s = CADENCE_GEM(obj);
>>> + DeviceState *dev = DEVICE(obj);
>>> +
>>> + DB_PRINT("\n");
>>>
>>> - return 0;
>>> + gem_init_register_masks(s);
>>> + memory_region_init_io(&s->iomem, OBJECT(s), &gem_ops, s,
>>> + "enet", sizeof(s->regs));
>>> + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->iomem);
>>> }
>>
>> I don't understand the logic behind which things are
>> in init and which in realize here -- why is
>> sysbus_init_mmio() in init but sysbus_init_irq() in
>> realize ?
>
> That was just a mistake. I have moved all of the *_init_* functions to
> the main init function.
As soon as I sent that mail I remembered why it was like that.
Eventually the sysbus_init_irq() function depends on the number of
queues, which is a property so it can't be set in the init.
Do you think the sysbus_init_mmio() should be moved to the realise as well then?
Thanks,
Alistair
>
> Thanks,
>
> Alistair
>
>>
>> thanks
>> -- PMM
>>
[Qemu-arm] [PATCH v1 4/5] cadence_gem: Correct indentation, Alistair Francis, 2016/07/11
[Qemu-arm] [PATCH v1 5/5] xlnx-zynqmp: Set the number of priority queues, Alistair Francis, 2016/07/11
[Qemu-arm] [PATCH v1 3/5] cadence_gem: Add queue support, Alistair Francis, 2016/07/11