qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * Cluster Power Controller emulation
3 *
4 * Copyright (c) 2016 Imagination Technologies
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef MIPS_CPC_H
21#define MIPS_CPC_H
22
23#include "hw/sysbus.h"
24
25#define CPC_ADDRSPACE_SZ 0x6000
26
27/* CPC blocks offsets relative to base address */
28#define CPC_CL_BASE_OFS 0x2000
29#define CPC_CO_BASE_OFS 0x4000
30
31/* CPC register offsets relative to block offsets */
32#define CPC_VP_STOP_OFS 0x20
33#define CPC_VP_RUN_OFS 0x28
34#define CPC_VP_RUNNING_OFS 0x30
35
36#define TYPE_MIPS_CPC "mips-cpc"
37#define MIPS_CPC(obj) OBJECT_CHECK(MIPSCPCState, (obj), TYPE_MIPS_CPC)
38
39typedef struct MIPSCPCState {
40 SysBusDevice parent_obj;
41
42 uint32_t num_vp;
43 uint64_t vp_start_running; /* VPs running from restart */
44
45 MemoryRegion mr;
46 uint64_t vp_running; /* Indicates which VPs are in the run state */
47} MIPSCPCState;
48
49#endif /* MIPS_CPC_H */