/*
* x86_64 sysarch() syscall emulation
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BSD_USER_ARCH_SYSARCH_H_
#define BSD_USER_ARCH_SYSARCH_H_
#include "target_syscall.h"
static inline abi_long do_freebsd_arch_sysarch(CPUX86State *env, int op,
abi_ulong parms)
{
abi_long ret = 0;
abi_ulong val;
int idx;
switch (op) {
case TARGET_FREEBSD_AMD64_SET_GSBASE:
case TARGET_FREEBSD_AMD64_SET_FSBASE:
if (op == TARGET_FREEBSD_AMD64_SET_GSBASE) {
idx = R_GS;
} else {
idx = R_FS;
}
if (get_user(val, parms, abi_ulong)) {
return -TARGET_EFAULT;
}
cpu_x86_load_seg(env, idx, 0);
env->segs[idx].base = val;
break;
case TARGET_FREEBSD_AMD64_GET_GSBASE:
case TARGET_FREEBSD_AMD64_GET_FSBASE:
if (op == TARGET_FREEBSD_AMD64_GET_GSBASE) {
idx = R_GS;
} else {
idx = R_FS;
}
val = env->segs[idx].base;
if (put_user(val, parms, abi_ulong)) {
return -TARGET_EFAULT;
}
break;
/* XXX handle the others... */
default:
ret = -TARGET_EINVAL;
break;
}
return ret;
}
static inline void do_freebsd_arch_print_sysarch(
const struct syscallname *name, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6)
{
gemu_log("%s(%d, " TARGET_ABI_FMT_lx ", " TARGET_ABI_FMT_lx ", "
TARGET_ABI_FMT_lx ")", name->name, (int)arg1, arg2, arg3, arg4);
}
#endif /*! BSD_USER_ARCH_SYSARCH_H_ */
