1 /* 2 * i386 specific CPU ABI and functions for linux-user 3 * 4 * Copyright (c) 2003 Fabrice Bellard 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 * 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 TARGET_CPU_H 21 #define TARGET_CPU_H 22 23 static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp) 24 { 25 if (newsp) { 26 env->regs[R_ESP] = newsp; 27 } 28 env->regs[R_EAX] = 0; 29 } 30 31 #if defined(TARGET_ABI32) 32 abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr); 33 34 static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls) 35 { 36 do_set_thread_area(env, newtls); 37 cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector); 38 } 39 #else 40 abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr); 41 42 static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls) 43 { 44 do_arch_prctl(env, TARGET_ARCH_SET_FS, newtls); 45 } 46 #endif /* defined(TARGET_ABI32) */ 47 48 #endif /* !defined(TARGET_CPU_H) */ 49