| 1 | /* |
| 2 | * S/390 specific CPU ABI and functions for linux-user |
| 3 | * |
| 4 | * Copyright (c) 2009 Ulrich Hecht |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program 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 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | #ifndef S390X_TARGET_CPU_H |
| 20 | #define S390X_TARGET_CPU_H |
| 21 | |
| 22 | static inline void cpu_clone_regs_child(CPUS390XState *env, target_ulong newsp, |
| 23 | unsigned flags) |
| 24 | { |
| 25 | if (newsp) { |
| 26 | env->regs[15] = newsp; |
| 27 | } |
| 28 | env->regs[2] = 0; |
| 29 | } |
| 30 | |
| 31 | static inline void cpu_clone_regs_parent(CPUS390XState *env, unsigned flags) |
| 32 | { |
| 33 | } |
| 34 | |
| 35 | static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls) |
| 36 | { |
| 37 | env->aregs[0] = newtls >> 32; |
| 38 | env->aregs[1] = newtls & 0xffffffffULL; |
| 39 | } |
| 40 | |
| 41 | static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state) |
| 42 | { |
| 43 | return state->regs[15]; |
| 44 | } |
| 45 | #endif |