fw_cfg: Define a static signature to be returned on DMA port reads
commit2cc06a8843ace3d03464032eb3c74bc6e2b07579
authorKevin O'Connor <kevin@koconnor.net>
Thu, 8 Oct 2015 15:02:58 +0000 (8 17:02 +0200)
committerGerd Hoffmann <kraxel@redhat.com>
Mon, 19 Oct 2015 13:26:54 +0000 (19 15:26 +0200)
treea26f32b3b9cdf3aaf3080e61c561be64ee26bf4d
parentc886fc4c20ff8456b2f788a1404dd321b8b59243
fw_cfg: Define a static signature to be returned on DMA port reads

Return a static signature ("QEMU CFG") if the guest does a read to the
DMA address io register.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
docs/specs/fw_cfg.txt
hw/nvram/fw_cfg.c