Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.1-pull-request...
[qemu.git] / bsd-user / i386 / target_arch_sysarch.h
1 /*
2 * i386 sysarch system call emulation
3 *
4 * Copyright (c) 2013 Stacey D. Son
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program 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
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #ifndef BSD_USER_ARCH_SYSARCH_H_
21 #define BSD_USER_ARCH_SYSARCH_H_
22
23 #include "target_syscall.h"
24
25 static inline abi_long do_freebsd_arch_sysarch(CPUX86State *env, int op,
26 abi_ulong parms)
27 {
28 abi_long ret = 0;
29 abi_ulong val;
30 int idx;
31
32 switch (op) {
33 case TARGET_FREEBSD_I386_SET_GSBASE:
34 case TARGET_FREEBSD_I386_SET_FSBASE:
35 if (op == TARGET_FREEBSD_I386_SET_GSBASE) {
36 idx = R_GS;
37 } else {
38 idx = R_FS;
39 }
40 if (get_user(val, parms, abi_ulong)) {
41 return -TARGET_EFAULT;
42 }
43 cpu_x86_load_seg(env, idx, 0);
44 env->segs[idx].base = val;
45 break;
46
47 case TARGET_FREEBSD_I386_GET_GSBASE:
48 case TARGET_FREEBSD_I386_GET_FSBASE:
49 if (op == TARGET_FREEBSD_I386_GET_GSBASE) {
50 idx = R_GS;
51 } else {
52 idx = R_FS;
53 }
54 val = env->segs[idx].base;
55 if (put_user(val, parms, abi_ulong)) {
56 return -TARGET_EFAULT;
57 }
58 break;
59
60 /* XXX handle the others... */
61 default:
62 ret = -TARGET_EINVAL;
63 break;
64 }
65 return ret;
66 }
67
68 static inline void do_freebsd_arch_print_sysarch(
69 const struct syscallname *name, abi_long arg1, abi_long arg2,
70 abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6)
71 {
72
73 gemu_log("%s(%d, " TARGET_ABI_FMT_lx ", " TARGET_ABI_FMT_lx ", "
74 TARGET_ABI_FMT_lx ")", name->name, (int)arg1, arg2, arg3, arg4);
75 }
76
77 #endif /* !BSD_USER_ARCH_SYSARCH_H_ */