tmp105: Correct handling of temperature limit checks
[qemu.git] / linux-user / arm / target_cpu.h
1 /*
2 * ARM specific CPU ABI and functions for linux-user
3 *
4 * Copyright (c) 2003 Fabrice Bellard
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 2.1 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 ARM_TARGET_CPU_H
20 #define ARM_TARGET_CPU_H
21
22 static inline unsigned long arm_max_reserved_va(CPUState *cs)
23 {
24 ARMCPU *cpu = ARM_CPU(cs);
25
26 if (arm_feature(&cpu->env, ARM_FEATURE_M)) {
27 /*
28 * There are magic return addresses above 0xfe000000,
29 * and in general a lot of M-profile system stuff in
30 * the high addresses. Restrict linux-user to the
31 * cached write-back RAM in the system map.
32 */
33 return 0x80000000ul;
34 } else {
35 /*
36 * We need to be able to map the commpage.
37 * See validate_guest_space in linux-user/elfload.c.
38 */
39 return 0xffff0000ul;
40 }
41 }
42 #define MAX_RESERVED_VA arm_max_reserved_va
43
44 static inline void cpu_clone_regs_child(CPUARMState *env, target_ulong newsp,
45 unsigned flags)
46 {
47 if (newsp) {
48 env->regs[13] = newsp;
49 }
50 env->regs[0] = 0;
51 }
52
53 static inline void cpu_clone_regs_parent(CPUARMState *env, unsigned flags)
54 {
55 }
56
57 static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
58 {
59 if (access_secure_reg(env)) {
60 env->cp15.tpidruro_s = newtls;
61 } else {
62 env->cp15.tpidrro_el[0] = newtls;
63 }
64 }
65
66 static inline target_ulong cpu_get_tls(CPUARMState *env)
67 {
68 if (access_secure_reg(env)) {
69 return env->cp15.tpidruro_s;
70 } else {
71 return env->cp15.tpidrro_el[0];
72 }
73 }
74
75 static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)
76 {
77 return state->regs[13];
78 }
79 #endif