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Re: [Qemu-devel] [PATCH 06/10] acpi-piix4: do not use old_portio-style c
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH 06/10] acpi-piix4: do not use old_portio-style callbacks |
Date: |
Sat, 12 Jan 2013 17:20:05 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130105 Thunderbird/17.0.2 |
Am 04.01.2013 22:29, schrieb Hervé Poussineau:
> Signed-off-by: Hervé Poussineau <address@hidden>
> ---
> hw/acpi_piix4.c | 91
> ++++++++++++++++++++++++-------------------------------
> 1 file changed, 40 insertions(+), 51 deletions(-)
>
> diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
> index 06a8aca..63b41db 100644
> --- a/hw/acpi_piix4.c
> +++ b/hw/acpi_piix4.c
> @@ -531,68 +531,57 @@ static const MemoryRegionOps piix4_gpe_ops = {
> .endianness = DEVICE_LITTLE_ENDIAN,
> };
>
> -static uint32_t pci_up_read(void *opaque, uint32_t addr)
> +static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
> {
> PIIX4PMState *s = opaque;
> - uint32_t val;
> -
> - /* Manufacture an "up" value to cause a device check on any hotplug
> - * slot with a device. Extra device checks are harmless. */
> - val = s->pci0_slot_device_present & s->pci0_hotplug_enable;
> -
> - PIIX4_DPRINTF("pci_up_read %x\n", val);
> - return val;
> -}
> -
> -static uint32_t pci_down_read(void *opaque, uint32_t addr)
> -{
> - PIIX4PMState *s = opaque;
> - uint32_t val = s->pci0_status.down;
> + uint32_t val = 0;
Here you are still using a local uint32_t variable...
> +
> + switch (addr) {
> + case PCI_UP_BASE - PCI_HOTPLUG_ADDR:
> + /* Manufacture an "up" value to cause a device check on any hotplug
> + * slot with a device. Extra device checks are harmless. */
> + val = s->pci0_slot_device_present & s->pci0_hotplug_enable;
> + PIIX4_DPRINTF("pci_up_read %x\n", val);
> + break;
> + case PCI_DOWN_BASE - PCI_HOTPLUG_ADDR:
> + val = s->pci0_status.down;
> + PIIX4_DPRINTF("pci_down_read %x\n", val);
> + break;
> + case PCI_EJ_BASE - PCI_HOTPLUG_ADDR:
> + /* No feature defined yet */
> + PIIX4_DPRINTF("pci_features_read %x\n", val);
> + break;
> + case PCI_RMV_BASE - PCI_HOTPLUG_ADDR:
> + val = s->pci0_hotplug_enable;
> + break;
> + default:
> + break;
> + }
>
> - PIIX4_DPRINTF("pci_down_read %x\n", val);
> return val;
> }
>
> -static uint32_t pci_features_read(void *opaque, uint32_t addr)
> -{
> - /* No feature defined yet */
> - PIIX4_DPRINTF("pci_features_read %x\n", 0);
> - return 0;
> -}
> -
> -static void pciej_write(void *opaque, uint32_t addr, uint32_t val)
> -{
> - acpi_piix_eject_slot(opaque, val);
> -
> - PIIX4_DPRINTF("pciej write %x <== %d\n", addr, val);
> -}
> -
> -static uint32_t pcirmv_read(void *opaque, uint32_t addr)
> +static void pci_write(void *opaque, hwaddr addr, uint64_t data,
> + unsigned int size)
> {
> - PIIX4PMState *s = opaque;
> -
> - return s->pci0_hotplug_enable;
> + switch (addr) {
> + case PCI_EJ_BASE - PCI_HOTPLUG_ADDR:
> + acpi_piix_eject_slot(opaque, (uint32_t)data);
> + PIIX4_DPRINTF("pciej write %x <== % " PRIu64 "\n", addr, data);
...but here you are printing hwaddr using %x. Fixing it up as follows:
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index 61aea8c..ee81c05 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -567,7 +567,8 @@ static void pci_write(void *opaque, hwaddr addr,
uint64_t data,
switch (addr) {
case PCI_EJ_BASE - PCI_HOTPLUG_ADDR:
acpi_piix_eject_slot(opaque, (uint32_t)data);
- PIIX4_DPRINTF("pciej write %x <== % " PRIu64 "\n", addr, data);
+ PIIX4_DPRINTF("pciej write %" HWADDR_PRIx " <== % " PRIu64 "\n",
+ addr, data);
break;
default:
break;
Thanks, applied to memory-ioport queue:
https://github.com/afaerber/qemu-cpu/commits/memory-ioport
Andreas
> + break;
> + default:
> + break;
> + }
> }
>
> static const MemoryRegionOps piix4_pci_ops = {
> - .old_portio = (MemoryRegionPortio[]) {
> - {
> - .offset = PCI_UP_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
> - .read = pci_up_read,
> - },{
> - .offset = PCI_DOWN_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
> - .read = pci_down_read,
> - },{
> - .offset = PCI_EJ_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
> - .read = pci_features_read,
> - .write = pciej_write,
> - },{
> - .offset = PCI_RMV_BASE - PCI_HOTPLUG_ADDR, .len = 4, .size = 4,
> - .read = pcirmv_read,
> - },
> - PORTIO_END_OF_LIST()
> + .read = pci_read,
> + .write = pci_write,
> + .endianness = DEVICE_NATIVE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
> },
> - .endianness = DEVICE_LITTLE_ENDIAN,
> };
>
> static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev,
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
- [Qemu-devel] [PATCH 05/10] xen_platform: do not use old_portio-style callbacks, (continued)
- [Qemu-devel] [PATCH 05/10] xen_platform: do not use old_portio-style callbacks, Hervé Poussineau, 2013/01/04
- [Qemu-devel] [PATCH 07/10] vga/qxl: do not use portio_list_init/portio_list_add, Hervé Poussineau, 2013/01/04
- [Qemu-devel] [PATCH 08/10] isa: use memory regions instead of portio_list_* functions, Hervé Poussineau, 2013/01/04
- [Qemu-devel] [PATCH 09/10] ioport: remove now useless portio_list_* functions, Hervé Poussineau, 2013/01/04
- [Qemu-devel] [PATCH 10/10] memory: remove old_portio-style callbacks support, Hervé Poussineau, 2013/01/04
- [Qemu-devel] [PATCH 06/10] acpi-piix4: do not use old_portio-style callbacks, Hervé Poussineau, 2013/01/04