1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * LoongArch specific CPU ABI and functions for linux-user 4 * 5 * Copyright (c) 2021 Loongson Technology Corporation Limited 6 */ 7 8 #ifndef LOONGARCH_TARGET_CPU_H 9 #define LOONGARCH_TARGET_CPU_H 10 11 static inline void cpu_clone_regs_child(CPULoongArchState *env, 12 target_ulong newsp, unsigned flags) 13 { 14 if (newsp) { 15 env->gpr[3] = newsp; 16 } 17 env->gpr[4] = 0; 18 } 19 20 static inline void cpu_clone_regs_parent(CPULoongArchState *env, 21 unsigned flags) 22 { 23 } 24 25 static inline void cpu_set_tls(CPULoongArchState *env, target_ulong newtls) 26 { 27 env->gpr[2] = newtls; 28 } 29 30 static inline abi_ulong get_sp_from_cpustate(CPULoongArchState *state) 31 { 32 return state->gpr[3]; 33 } 34 #endif 35