[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 07/14] cuda.c: implement dummy IIC access commands
From: |
David Gibson |
Subject: |
[Qemu-devel] [PULL 07/14] cuda.c: implement dummy IIC access commands |
Date: |
Thu, 12 Nov 2015 15:38:36 +1100 |
From: Mark Cave-Ayland <address@hidden>
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 <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
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
- [Qemu-devel] [PULL 00/14] ppc-next queue 20151112, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 00/14] ppc-next queue 20151112, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 01/14] PPC: Allow Rc bit to be set on mtspr, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 07/14] cuda.c: implement dummy IIC access commands,
David Gibson <=
- [Qemu-devel] [PULL 02/14] PPC: Fix lswx bounds checks, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 04/14] cuda.c: fix CUDA ADB error packet format, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 03/14] PPC: mac99: Always add USB controller, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 08/14] cuda.c: fix CUDA SR interrupt clearing, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 05/14] cuda.c: fix CUDA_PACKET response packet format, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 09/14] cuda.c: add defines for CUDA registers, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 11/14] cuda.c: rename get_counter() state variable from s to ti for consistency, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 10/14] cuda.c: refactor get_tb() so that the time can be passed in, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 06/14] cuda.c: implement simple CUDA_GET_6805_ADDR command, David Gibson, 2015/11/11
- [Qemu-devel] [PULL 12/14] cuda.c: fix T2 timer and enable its interrupt, David Gibson, 2015/11/11