qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * OpenRISC specific CPU ABI and functions for linux-user
3 *
4 * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
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 2.1 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 OPENRISC_TARGET_CPU_H
21#define OPENRISC_TARGET_CPU_H
22
23static inline void cpu_clone_regs_child(CPUOpenRISCState *env,
24 target_ulong newsp,
25 unsigned flags)
26{
27 if (newsp) {
28 cpu_set_gpr(env, 1, newsp);
29 }
30 cpu_set_gpr(env, 11, 0);
31}
32
33static inline void cpu_clone_regs_parent(CPUOpenRISCState *env, unsigned flags)
34{
35}
36
37static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls)
38{
39 cpu_set_gpr(env, 10, newtls);
40}
41
42static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state)
43{
44 return cpu_get_gpr(state, 1);
45}
46#endif