3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef H_VSERVER_SYSCALL_INTERNAL_H
20 #define H_VSERVER_SYSCALL_INTERNAL_H
22 #include <asm/unistd.h>
27 #ifndef __NR_sys_virtual_context
28 # define __NR_sys_virtual_context 273
32 #define VC_SUFFIX else (void)((void)0
33 #define CALL_VC_NOOP (void)0
34 #define CALL_VC_GENERAL(ID, SUFFIX, FUNC, ...) \
35 VC_PREFIX; VC_SELECT(ID) return FUNC ## _ ## SUFFIX(__VA_ARGS__); VC_SUFFIX
38 # define VC_SELECT(ID) case ID: if(1)
39 # define CALL_VC(...) \
40 switch (utilvserver_checkCompatVersion()) { \
41 case -1 : if (1) break; \
42 VC_SUFFIX, __VA_ARGS__ , VC_PREFIX; \
43 default : errno = EINVAL; \
47 # define VC_SELECT(ID) if (1)
48 # define CALL_VC(...) \
49 if (1) {} VC_SUFFIX, __VA_ARGS__, VC_PREFIX; \
50 errno = ENOSYS; return -1
53 #ifdef VC_ENABLE_API_COMPAT
54 # define CALL_VC_COMPAT(F,...) CALL_VC_GENERAL(0x00010000, compat, F, __VA_ARGS__)
56 # define CALL_VC_COMPAT(F,...) CALL_VC_NOOP
59 #ifdef VC_ENABLE_API_LEGACY
60 # define CALL_VC_LEGACY(F,...) CALL_VC_GENERAL(0x00000000, legacy, F, __VA_ARGS__)
62 # define CALL_VC_LEGACY(F,...) CALL_VC_NOOP
65 #ifndef HAVE_SYS_VIRTUAL_CONTEXT
67 _syscall3(int, sys_virtual_context,
68 uint32_t, cmd, uint32_t, id, void *, data)
71 #endif // H_VSERVER_SYSCALL_INTERNAL_H