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/*
* i386 specific CPU ABI and functions for linux-user
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef I386_TARGET_CPU_H
#define I386_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPUX86State *env, target_ulong newsp,
unsigned flags)
{
if (newsp) {
env->regs[R_ESP] = newsp;
}
env->regs[R_EAX] = 0;
}
static inline void cpu_clone_regs_parent(CPUX86State *env, unsigned flags)
{
}
abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr);
#if defined(TARGET_ABI32)
abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr);
static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
{
do_set_thread_area(env, newtls);
cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector);
}
#else
static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
{
do_arch_prctl(env, TARGET_ARCH_SET_FS, newtls);
}
#endif /* defined(TARGET_ABI32) */
static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
{
return state->regs[R_ESP];
}
#endif /* I386_TARGET_CPU_H */
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