mirror of
https://github.com/qemu/qemu.git
synced 2024-12-06 02:03:38 +08:00
07a6ecf48f
We will need a target-specific hook for adjusting registers in the parent during clone. Add an empty inline function for each target, and invoke it from the proper places. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20191106113318.10226-11-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
|
|
* HPPA specific CPU ABI and functions for linux-user
|
|
*
|
|
* Copyright (c) 2016 Richard Henderson
|
|
*
|
|
* 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 HPPA_TARGET_CPU_H
|
|
#define HPPA_TARGET_CPU_H
|
|
|
|
static inline void cpu_clone_regs_child(CPUHPPAState *env, target_ulong newsp,
|
|
unsigned flags)
|
|
{
|
|
if (newsp) {
|
|
env->gr[30] = newsp;
|
|
}
|
|
/* Indicate child in return value. */
|
|
env->gr[28] = 0;
|
|
/* Return from the syscall. */
|
|
env->iaoq_f = env->gr[31];
|
|
env->iaoq_b = env->gr[31] + 4;
|
|
}
|
|
|
|
static inline void cpu_clone_regs_parent(CPUHPPAState *env, unsigned flags)
|
|
{
|
|
}
|
|
|
|
static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
|
|
{
|
|
env->cr[27] = newtls;
|
|
}
|
|
|
|
static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state)
|
|
{
|
|
return state->gr[30];
|
|
}
|
|
#endif
|