[SeaBIOS] [PATCH v2 0/2] QEMU: Add capability to write back fw_cfg address to QEMU

Kevin O'Connor kevin at koconnor.net
Tue Jan 24 23:17:27 CET 2017

On Fri, Jan 20, 2017 at 02:33:14PM -0800, ben at skyportsystems.com wrote:
> From: Ben Warren <ben at skyportsystems.com>
> This patch set adds the capability to write to QEMU across the DMA link and
> adds a higher-level command to allocate a fw_cfg file and write its address
> back to another, writeable fw_cfg file.
> The initial use case is for Windows VM
> Generation ID, where QEMU needs to change the contents of fw_cfg
> data at runtime, while still having BIOS allocate and manage the memory.

Thanks.  The patches look fine to me.  If no one else comments, I'll
commit when ALLOCATE_RET_ADDR is accepted in QEMU.


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