mirror of https://gitee.com/openkylin/qemu.git
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
|
|
* 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(CPUSPARCState *env, target_ulong newsp)
|
|
{
|
|
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_set_tls(CPUSPARCState *env, target_ulong newtls)
|
|
{
|
|
env->gregs[7] = newtls;
|
|
}
|
|
|
|
#endif
|