在 2022/6/28 16:21, Richard Henderson 写道:
> On 6/28/22 12:12, maobibo wrote:
>> Hi Philippe,
>>
>> In file include/hw/pci/pci.h, the macro QEMU_PCI_VGA_MEM_BASE is
>> defined as 0xa0000, which represents legacy VGA memory base address. I want
>> to know whether it should be the same for all architectures, or does this
>> vga mmio space exist on arm64/riscv physical machines with pci host bridges?
>
> This is x86 only.
I see. On aarch64 virt platform, "virtio-gpu-pci" video card is used rather
than "virtio-vga", there is no such legacy pci vga memory space with
"virtio-gpu-pci" video card. I will check code, and thanks for your
explanation.
regards
bibo, mao
>
>
> r~