OpenBSD and Linux expect the ADB command between the CUDA status and reply data. QEMU omits it on success, so guests consume the first data byte as the command and lose it from the reply.
Signed-off-by: Kirill A. Korinsky <[email protected]> --- hw/misc/macio/cuda.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 312dde242b..ccb3e1d74b 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -431,11 +431,12 @@ static void cuda_receive_packet_from_host(CUDAState *s, { uint8_t obuf[ADB_MAX_OUT_LEN + 3]; int olen; - olen = adb_request(&s->adb_bus, obuf + 2, data + 1, len - 1); + olen = adb_request(&s->adb_bus, obuf + 3, data + 1, len - 1); if (olen > 0) { obuf[0] = ADB_PACKET; obuf[1] = 0x00; - cuda_send_packet_to_host(s, obuf, olen + 2); + obuf[2] = data[1]; + cuda_send_packet_to_host(s, obuf, olen + 3); } else { /* error */ obuf[0] = ADB_PACKET; -- 2.55.0
