nbd: Add max-connections to nbd-server-start
[qemu.git] / linux-user / aarch64 / target_cpu.h
1 /*
2 * ARM AArch64 specific CPU ABI and functions for linux-user
3 *
4 * Copyright (c) 2013 Alexander Graf <agraf@suse.de>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #ifndef AARCH64_TARGET_CPU_H
20 #define AARCH64_TARGET_CPU_H
21
22 static inline void cpu_clone_regs_child(CPUARMState *env, target_ulong newsp,
23 unsigned flags)
24 {
25 if (newsp) {
26 env->xregs[31] = newsp;
27 }
28 env->xregs[0] = 0;
29 }
30
31 static inline void cpu_clone_regs_parent(CPUARMState *env, unsigned flags)
32 {
33 }
34
35 static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
36 {
37 /* Note that AArch64 Linux keeps the TLS pointer in TPIDR; this is
38 * different from AArch32 Linux, which uses TPIDRRO.
39 */
40 env->cp15.tpidr_el[0] = newtls;
41 }
42
43 static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)
44 {
45 return state->xregs[31];
46 }
47 #endif