| 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 |