From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58039) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwjeR-0000bc-JQ for qemu-devel@nongnu.org; Wed, 11 Nov 2015 23:38:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZwjeJ-0001G4-Ml for qemu-devel@nongnu.org; Wed, 11 Nov 2015 23:38:23 -0500 From: David Gibson Date: Thu, 12 Nov 2015 15:38:36 +1100 Message-Id: <1447303123-4446-9-git-send-email-david@gibson.dropbear.id.au> In-Reply-To: <1447303123-4446-1-git-send-email-david@gibson.dropbear.id.au> References: <1447303123-4446-1-git-send-email-david@gibson.dropbear.id.au> Subject: [Qemu-devel] [PULL 07/14] cuda.c: implement dummy IIC access commands List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org Cc: lvivier@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, aik@ozlabs.ru, Mark Cave-Ayland , agraf@suse.de, mdroth@linux.vnet.ibm.com, qemu-ppc@nongnu.org, David Gibson From: Mark Cave-Ayland These are used by MacOS 9 on boot. Here we return an error except for 4-byte commands which write to the IIC bus in a similar manner to MOL. Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- hw/misc/macio/cuda.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index 1a2ab01..b7e9dee 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -529,6 +529,24 @@ static void cuda_receive_packet(CUDAState *s, cuda_send_packet_to_host(s, obuf, 3); qemu_system_reset_request(); break; + case CUDA_COMBINED_FORMAT_IIC: + obuf[0] = ERROR_PACKET; + obuf[1] = 0x5; + obuf[2] = CUDA_PACKET; + obuf[3] = data[0]; + cuda_send_packet_to_host(s, obuf, 4); + break; + case CUDA_GET_SET_IIC: + if (len == 4) { + cuda_send_packet_to_host(s, obuf, 3); + } else { + obuf[0] = ERROR_PACKET; + obuf[1] = 0x2; + obuf[2] = CUDA_PACKET; + obuf[3] = data[0]; + cuda_send_packet_to_host(s, obuf, 4); + } + break; default: break; } -- 2.5.0