From: Stacey Son <s...@freebsd.org> Addded function to initialize ARM CPU and to check if it supports 64 bit mode
Signed-off-by: Ajeet Singh <itac...@freebsd.org> Signed-off-by: Stacey Son <s...@freebsd.org> --- bsd-user/aarch64/target_arch_cpu.h | 42 ++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_cpu.h diff --git a/bsd-user/aarch64/target_arch_cpu.h b/bsd-user/aarch64/target_arch_cpu.h new file mode 100644 index 0000000000..db5c7062b9 --- /dev/null +++ b/bsd-user/aarch64/target_arch_cpu.h @@ -0,0 +1,42 @@ +/* + * ARM AArch64 cpu init and loop + * + * Copyright (c) 2015 Stacey Son + * + * 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 TARGET_ARCH_CPU_H +#define TARGET_ARCH_CPU_H + +#include "target_arch.h" +#include "target/arm/syndrome.h" + +#define TARGET_DEFAULT_CPU_MODEL "any" + +static inline void target_cpu_init(CPUARMState *env, + struct target_pt_regs *regs) +{ + int i; + + if (!(arm_feature(env, ARM_FEATURE_AARCH64))) { + fprintf(stderr, "The selected ARM CPU does not support 64 bit mode\n"); + exit(1); + } + for (i = 0; i < 31; i++) { + env->xregs[i] = regs->regs[i]; + } + env->pc = regs->pc; + env->xregs[31] = regs->sp; +} -- 2.34.1
