qemu/linux-user/m68k/target_cpu.h
Ilya Leoshkevich e4e5cb4a54 {linux,bsd}-user: Introduce get_task_state()
A CPU's TaskState is stored in the CPUState's void *opaque field,
accessing which is somewhat awkward due to having to use a cast.
Introduce a wrapper and use it everywhere.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240219141628.246823-3-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-4-alex.bennee@linaro.org>
2024-03-06 12:35:19 +00:00

50 lines
1.4 KiB
C

/*
* m68k specific CPU ABI and functions for linux-user
*
* Copyright (c) 2005-2007 CodeSourcery
* Written by Paul Brook
*
* 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 2.1 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 M68K_TARGET_CPU_H
#define M68K_TARGET_CPU_H
static inline void cpu_clone_regs_child(CPUM68KState *env, target_ulong newsp,
unsigned flags)
{
if (newsp) {
env->aregs[7] = newsp;
}
env->dregs[0] = 0;
}
static inline void cpu_clone_regs_parent(CPUM68KState *env, unsigned flags)
{
}
static inline void cpu_set_tls(CPUM68KState *env, target_ulong newtls)
{
CPUState *cs = env_cpu(env);
TaskState *ts = get_task_state(cs);
ts->tp_value = newtls;
}
static inline abi_ulong get_sp_from_cpustate(CPUM68KState *state)
{
return state->aregs[7];
}
#endif