Re: [PATCH v3 21/25] hw/sysbus: Use memory_region_get_address()

[Richard Henderson <richard.henderson@linaro.org>]

On 10/28/25 19:12, Philippe Mathieu-Daudé wrote:
> MemoryRegion::addr is private data of MemoryRegion, use
> memory_region_get_address() to access it.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   hw/core/sysbus.c | 17 ++++++++++-------
>   1 file changed, 10 insertions(+), 7 deletions(-)

The patch description is incomplete for these changes, but the changes themselves are good.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~

> 
> diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
> index d33be6b2b52..414b3f806d1 100644
> --- a/hw/core/sysbus.c
> +++ b/hw/core/sysbus.c
> @@ -257,13 +257,14 @@ bool sysbus_realize_and_unref(SysBusDevice *dev, Error **errp)
>   static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent)
>   {
>       SysBusDevice *s = SYS_BUS_DEVICE(dev);
> -    hwaddr size;
> -    int i;
>   
> -    for (i = 0; i < s->num_mmio; i++) {
> -        size = memory_region_size(s->mmio[i].memory);
> -        monitor_printf(mon, "%*smmio " HWADDR_FMT_plx "/" HWADDR_FMT_plx "\n",
> -                       indent, "", s->mmio[i].addr, size);
> +    for (int i = 0; i < s->num_mmio; i++) {
> +        MemoryRegion *mr = sysbus_mmio_get_region(s, i);
> +        hwaddr addr = memory_region_get_address(mr);
> +        uint64_t size = memory_region_size(mr);
> +
> +        monitor_printf(mon, "%*smmio " HWADDR_FMT_plx "/%016" PRIx64 "\n",
> +                       indent, "", addr, size);
>       }
>   }
>   
> @@ -282,8 +283,10 @@ static char *sysbus_get_fw_dev_path(DeviceState *dev)
>           }
>       }
>       if (s->num_mmio) {
> +        MemoryRegion *mr = sysbus_mmio_get_region(s, 0);
> +
>           return g_strdup_printf("%s@" HWADDR_FMT_plx, qdev_fw_name(dev),
> -                               s->mmio[0].addr);
> +                               memory_region_get_address(mr));
>       }
>       if (s->num_pio) {
>           return g_strdup_printf("%s@i%04x", qdev_fw_name(dev), s->pio[0]);