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linux-user: Implement cpu_set_tls() and cpu_clone_regs() for AArch64

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Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: John Rigby <john.rigby@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1378235544-22290-19-git-send-email-peter.maydell@linaro.org
[PMM: pulled out from another patch; don't use is_a64() here;
 moved to linux-user from target-arm]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alexander Graf 2013-09-03 20:12:18 +01:00 committed by Peter Maydell
parent 848d72cdd8
commit e2cea499cc
1 changed files with 35 additions and 0 deletions
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35
linux-user/aarch64/target_cpu.h Normal file
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/*
* ARM AArch64 specific CPU ABI and functions for linux-user
*
* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
*
* 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_CPU_H
#define TARGET_CPU_H
static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
{
if (newsp) {
env->xregs[31] = newsp;
}
env->xregs[0] = 0;
}
static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
{
env->sr.tpidr_el0 = newtls;
}
#endif