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Re: [Qemu-devel] [PATCH v6 3/5] PC: use qdev_xx to create hpet instead o
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v6 3/5] PC: use qdev_xx to create hpet instead of sysbus_create_xx |
Date: |
Thu, 10 Oct 2013 11:10:45 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 10/10/2013 09:56, Liu Ping Fan ha scritto:
> sysbus_create_xx func does not allow us to set a device's extra
> properties. While hpet need to set its compat property before
> initialization, so we abandon the wrapper function, and spread
> its logic "inline"
>
> Signed-off-by: Liu Ping Fan <address@hidden>
> ---
> hw/i386/pc.c | 11 +++++++++--
> hw/timer/hpet.c | 4 +---
> 2 files changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 0c313fe..f2b7b6c 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -1246,9 +1246,16 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq
> *gsi,
> * when the HPET wants to take over. Thus we have to disable the latter.
> */
> if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) {
> - hpet = sysbus_try_create_simple("hpet", HPET_BASE, NULL);
> -
> + /* In order to set property, here not using sysbus_try_create_simple
> */
> + hpet = qdev_try_create(NULL, "hpet");
> if (hpet) {
> + /* tmp fix. For compat, hard code to IRQ2 until we have correct
> + * compat property and differentiate pc-iix with pc-q35
> + */
> + qdev_prop_set_uint32(hpet, "intcap", 0x4);
> + qdev_init_nofail(hpet);
> + sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE);
> +
> for (i = 0; i < GSI_NUM_PINS; i++) {
> sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]);
> }
> diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
> index 5b11be4..69ce587 100644
> --- a/hw/timer/hpet.c
> +++ b/hw/timer/hpet.c
> @@ -43,8 +43,6 @@
>
> #define HPET_MSI_SUPPORT 0
>
> -/* Will fix: intcap is set by board, and should be 0 if nobody sets. */
> -#define HPET_TN_INT_CAP_DEFAULT 0x4ULL
>
> #define TYPE_HPET "hpet"
> #define HPET(obj) OBJECT_CHECK(HPETState, (obj), TYPE_HPET)
> @@ -758,7 +756,7 @@ static void hpet_realize(DeviceState *dev, Error **errp)
> static Property hpet_device_properties[] = {
> DEFINE_PROP_UINT8("timers", HPETState, num_timers, HPET_MIN_TIMERS),
> DEFINE_PROP_BIT("msi", HPETState, flags, HPET_MSI_SUPPORT, false),
> - DEFINE_PROP_UINT32("intcap", HPETState, intcap, HPET_TN_INT_CAP_DEFAULT),
> + DEFINE_PROP_UINT32("intcap", HPETState, intcap, 0),
> DEFINE_PROP_END_OF_LIST(),
> };
>
>
This should not be needed anymore, except for changing the intcap
default to 0 (which would go in patch 5).
Paolo
[Qemu-devel] [PATCH v6 3/5] PC: use qdev_xx to create hpet instead of sysbus_create_xx, Liu Ping Fan, 2013/10/10
[Qemu-devel] [PATCH v6 4/5] PC: add hpet compat to trace compatability version, Liu Ping Fan, 2013/10/10
[Qemu-devel] [PATCH v6 5/5] PC: differentiate hpet's interrupt capability on piix and q35, Liu Ping Fan, 2013/10/10