projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| ea1ab4cf SS |
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_ */ |