55c5063c61
These headers all use TARGET_CPU_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_CPU_H for linux-user/$target/target_cpu.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
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 AARCH64_TARGET_CPU_H
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#define AARCH64_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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