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[Qemu-ppc] [PATCH 07/13] cuda.c: implement dummy IIC access commands
From: |
Mark Cave-Ayland |
Subject: |
[Qemu-ppc] [PATCH 07/13] cuda.c: implement dummy IIC access commands |
Date: |
Fri, 23 Oct 2015 14:56:32 +0100 |
These are used by MacOS 9 on boot. Here we return an error except for 4-byte
commands which write to the IIC bus.
Signed-off-by: Mark Cave-Ayland <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 4fe901b..d3ec58a 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;
}
--
1.7.10.4
- [Qemu-ppc] [PATCH 00/13] Mac OS 9 compatibility improvements (upstream rework), Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 01/13] PPC: Allow Rc bit to be set on mtspr, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 07/13] cuda.c: implement dummy IIC access commands,
Mark Cave-Ayland <=
- [Qemu-ppc] [PATCH 02/13] PPC: Fix lsxw bounds checks, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 08/13] cuda.c: fix CUDA SR interrupt clearing, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 09/13] cuda.c: add defines for CUDA registers, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 03/13] PPC: mac99: Always add USB controller, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 04/13] cuda.c: fix CUDA ADB error packet format, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 06/13] cuda.c: implement simple CUDA_GET_6805_ADDR command, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 05/13] cuda.c: fix CUDA_PACKET response packet format, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 10/13] cuda.c: refactor get_tb() so that the time can be passed in, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 13/13] cuda.c: add delay to setting of SR_INT bit, Mark Cave-Ayland, 2015/10/23
- [Qemu-ppc] [PATCH 12/13] cuda.c: fix T2 timer and enable its interrupt, Mark Cave-Ayland, 2015/10/23