jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1/*
2 * Xtensa-specific CPU ABI and functions for linux-user
3 */
4#ifndef XTENSA_TARGET_CPU_H
5#define XTENSA_TARGET_CPU_H
6
7static inline void cpu_clone_regs_child(CPUXtensaState *env,
8 target_ulong newsp,
9 unsigned flags)
10{
11 if (newsp) {
12 env->regs[1] = newsp;
13 env->sregs[WINDOW_BASE] = 0;
14 env->sregs[WINDOW_START] = 0x1;
15 }
16 env->regs[2] = 0;
17}
18
19static inline void cpu_clone_regs_parent(CPUXtensaState *env, unsigned flags)
20{
21}
22
23static inline void cpu_set_tls(CPUXtensaState *env, target_ulong newtls)
24{
25 env->uregs[THREADPTR] = newtls;
26}
27
28static inline abi_ulong get_sp_from_cpustate(CPUXtensaState *state)
29{
30 return state->regs[1];
31}
32#endif