From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/linux-user/aarch64/target_cpu.h | 38 ++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 qemu/linux-user/aarch64/target_cpu.h (limited to 'qemu/linux-user/aarch64/target_cpu.h') diff --git a/qemu/linux-user/aarch64/target_cpu.h b/qemu/linux-user/aarch64/target_cpu.h new file mode 100644 index 000000000..b5593dc5a --- /dev/null +++ b/qemu/linux-user/aarch64/target_cpu.h @@ -0,0 +1,38 @@ +/* + * ARM AArch64 specific CPU ABI and functions for linux-user + * + * Copyright (c) 2013 Alexander Graf + * + * 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 . + */ +#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) +{ + /* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is + * different from AArch32 Linux, which uses TPIDRRO. + */ + env->cp15.tpidr_el[0] = newtls; +} + +#endif -- cgit 1.2.3-korg