qemu/bsd-user/arm/target_arch_cpu.h
Warner Losh e17d4c9a37 bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs
Implement target_cpu_clone_regs to clone the resister state on a fork.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2022-01-07 22:58:51 -07:00

51 lines
1.4 KiB
C

/*
* arm cpu init and loop
*
* Copyright (c) 2013 Stacey D. Son
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TARGET_ARCH_CPU_H_
#define _TARGET_ARCH_CPU_H_
#include "target_arch.h"
#define TARGET_DEFAULT_CPU_MODEL "any"
static inline void target_cpu_init(CPUARMState *env,
struct target_pt_regs *regs)
{
int i;
cpsr_write(env, regs->uregs[16], CPSR_USER | CPSR_EXEC,
CPSRWriteByInstr);
for (i = 0; i < 16; i++) {
env->regs[i] = regs->uregs[i];
}
}
static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp)
{
if (newsp) {
env->regs[13] = newsp;
}
env->regs[0] = 0;
}
static inline void target_cpu_reset(CPUArchState *cpu)
{
}
#endif /* !_TARGET_ARCH_CPU_H */