mirror of https://gitee.com/openkylin/qemu.git
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* ARM AArch64 specific CPU ABI and functions for linux-user
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*
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* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TARGET_CPU_H
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#define TARGET_CPU_H
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static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
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{
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if (newsp) {
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env->xregs[31] = newsp;
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}
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env->xregs[0] = 0;
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}
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static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
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{
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/* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
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* different from AArch32 Linux, which uses TPIDRRO.
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*/
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env->cp15.tpidr_el[0] = newtls;
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}
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#endif
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