1 /* 2 * HPPA specific CPU ABI and functions for linux-user 3 * 4 * Copyright (c) 2016 Richard Henderson 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 #ifndef HPPA_TARGET_CPU_H 20 #define HPPA_TARGET_CPU_H 21 22 static inline void cpu_clone_regs_child(CPUHPPAState *env, target_ulong newsp, 23 unsigned flags) 24 { 25 if (newsp) { 26 env->gr[30] = newsp; 27 } 28 /* Indicate child in return value. */ 29 env->gr[28] = 0; 30 /* Return from the syscall. */ 31 env->iaoq_f = env->gr[31]; 32 env->iaoq_b = env->gr[31] + 4; 33 } 34 35 static inline void cpu_clone_regs_parent(CPUHPPAState *env, unsigned flags) 36 { 37 } 38 39 static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls) 40 { 41 env->cr[27] = newtls; 42 } 43 44 static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state) 45 { 46 return state->gr[30]; 47 } 48 #endif 49