| 1 | /* |
| 2 | * OpenRISC specific CPU ABI and functions for linux-user |
| 3 | * |
| 4 | * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This library 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 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #ifndef OPENRISC_TARGET_CPU_H |
| 21 | #define OPENRISC_TARGET_CPU_H |
| 22 | |
| 23 | static inline void cpu_clone_regs_child(CPUOpenRISCState *env, |
| 24 | target_ulong newsp, |
| 25 | unsigned flags) |
| 26 | { |
| 27 | if (newsp) { |
| 28 | cpu_set_gpr(env, 1, newsp); |
| 29 | } |
| 30 | cpu_set_gpr(env, 11, 0); |
| 31 | } |
| 32 | |
| 33 | static inline void cpu_clone_regs_parent(CPUOpenRISCState *env, unsigned flags) |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls) |
| 38 | { |
| 39 | cpu_set_gpr(env, 10, newtls); |
| 40 | } |
| 41 | |
| 42 | static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state) |
| 43 | { |
| 44 | return cpu_get_gpr(state, 1); |
| 45 | } |
| 46 | #endif |