target_cpu.h (1362B)
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