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/*
* SPARC specific CPU ABI and functions for linux-user
*
* Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
* Copyright (C) 2003-2005 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 SPARC_TARGET_CPU_H
#define SPARC_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPUSPARCState *env, target_ulong newsp,
unsigned flags)
{
if (newsp) {
env->regwptr[22] = newsp;
}
/* syscall return for clone child: 0, and clear CF since
* this counts as a success return value.
*/
env->regwptr[0] = 0;
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
env->xcc &= ~PSR_CARRY;
#else
env->psr &= ~PSR_CARRY;
#endif
}
static inline void cpu_clone_regs_parent(CPUSPARCState *env, unsigned flags)
{
}
static inline void cpu_set_tls(CPUSPARCState *env, target_ulong newtls)
{
env->gregs[7] = newtls;
}
static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
{
return state->regwptr[WREG_SP];
}
#endif
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