aboutsummaryrefslogtreecommitdiff
path: root/linux-user/xtensa/target_cpu.h
blob: e31efe3ea090dcb9baee7c1147d9271794d4033a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/*
 * Xtensa-specific CPU ABI and functions for linux-user
 */
#ifndef XTENSA_TARGET_CPU_H
#define XTENSA_TARGET_CPU_H

static inline void cpu_clone_regs(CPUXtensaState *env, target_ulong newsp)
{
    if (newsp) {
        env->regs[1] = newsp;
        env->sregs[WINDOW_BASE] = 0;
        env->sregs[WINDOW_START] = 0x1;
    }
    env->regs[2] = 0;
}

static inline void cpu_set_tls(CPUXtensaState *env, target_ulong newtls)
{
    env->uregs[THREADPTR] = newtls;
}

static inline abi_ulong get_sp_from_cpustate(CPUXtensaState *state)
{
    return state->regs[1];
}
#endif