57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
|
|
* ARM specific CPU ABI and functions for linux-user
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* 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 ARM_TARGET_CPU_H
|
|
#define ARM_TARGET_CPU_H
|
|
|
|
/* We need to be able to map the commpage.
|
|
See validate_guest_space in linux-user/elfload.c. */
|
|
#define MAX_RESERVED_VA 0xffff0000ul
|
|
|
|
static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
|
|
{
|
|
if (newsp) {
|
|
env->regs[13] = newsp;
|
|
}
|
|
env->regs[0] = 0;
|
|
}
|
|
|
|
static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
|
|
{
|
|
if (access_secure_reg(env)) {
|
|
env->cp15.tpidruro_s = newtls;
|
|
} else {
|
|
env->cp15.tpidrro_el[0] = newtls;
|
|
}
|
|
}
|
|
|
|
static inline target_ulong cpu_get_tls(CPUARMState *env)
|
|
{
|
|
if (access_secure_reg(env)) {
|
|
return env->cp15.tpidruro_s;
|
|
} else {
|
|
return env->cp15.tpidrro_el[0];
|
|
}
|
|
}
|
|
|
|
static inline abi_ulong get_sp_from_cpustate(CPUARMState *state)
|
|
{
|
|
return state->regs[13];
|
|
}
|
|
#endif
|