Re: [Qemu-devel] [PATCH v4 2/9] linker-loader: Add new 'allocate and return address' cmd

[Laszlo Ersek]

On 01/25/17 02:43, address@hidden wrote:
> From: Ben Warren <address@hidden>
> 
> This adds a new linker-loader command to instruct the guest to allocate
> memory for a fw_cfg file and write the address back into another
> writeable fw_cfg file.  Knowing this address, QEMU can then write into
> guest memory at runtime.
> 
> Signed-off-by: Ben Warren <address@hidden>
> ---
>  hw/acpi/bios-linker-loader.c         | 71 
> ++++++++++++++++++++++++++++++++++--
>  include/hw/acpi/bios-linker-loader.h |  7 ++++
>  2 files changed, 75 insertions(+), 3 deletions(-)

The OVMF side for this is now tracked by:

https://bugzilla.tianocore.org/show_bug.cgi?id=359

Thanks
Laszlo