1 /* 2 * S/390 specific CPU ABI and functions for linux-user 3 * 4 * Copyright (c) 2009 Ulrich Hecht 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 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 * Contributions after 2012-10-29 are licensed under the terms of the 17 * GNU GPL, version 2 or (at your option) any later version. 18 * 19 * You should have received a copy of the GNU (Lesser) General Public 20 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 21 */ 22 #ifndef S390X_TARGET_CPU_H 23 #define S390X_TARGET_CPU_H 24 25 static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp) 26 { 27 if (newsp) { 28 env->regs[15] = newsp; 29 } 30 env->regs[2] = 0; 31 } 32 33 static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls) 34 { 35 env->aregs[0] = newtls >> 32; 36 env->aregs[1] = newtls & 0xffffffffULL; 37 } 38 39 static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state) 40 { 41 return state->regs[15]; 42 } 43 #endif 44