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
26 #include <asm/unistd.h>
29 #ifndef __NR_sys_virtual_context
30 # define __NR_sys_virtual_context 273
34 #define VC_SUFFIX else (void)((void)0
35 #define CALL_VC_NOOP (void)0
36 #define CALL_VC_GENERAL(ID, SUFFIX, FUNC, ...) \
37 VC_PREFIX; VC_SELECT(ID) return FUNC ## _ ## SUFFIX(__VA_ARGS__); VC_SUFFIX
40 # define VC_SELECT(ID) case ID: if(1)
41 # define CALL_VC(...) \
42 switch (utilvserver_checkCompatVersion()) { \
43 case -1 : if (1) break; \
44 VC_SUFFIX, __VA_ARGS__ , VC_PREFIX; \
45 default : errno = EINVAL; \
49 # define VC_SELECT(ID) if (1)
50 # define CALL_VC(...) \
51 if (1) {} VC_SUFFIX, __VA_ARGS__, VC_PREFIX; \
52 errno = ENOSYS; return -1
55 #ifdef VC_ENABLE_API_COMPAT
56 # define CALL_VC_COMPAT(F,...) CALL_VC_GENERAL(0x00010000, compat, F, __VA_ARGS__)
58 # define CALL_VC_COMPAT(F,...) CALL_VC_NOOP
61 #ifdef VC_ENABLE_API_LEGACY
62 # define CALL_VC_LEGACY(F,...) CALL_VC_GENERAL(0x00000000, legacy, F, __VA_ARGS__)
64 # define CALL_VC_LEGACY(F,...) CALL_VC_NOOP
74 #ifndef HAVE_SYS_VIRTUAL_CONTEXT
76 _syscall3(int, sys_virtual_context,
77 uint32_t, cmd, uint32_t, id, void *, data)
80 size_t utilvserver_uint2str(char *buf, size_t len,
81 unsigned int val, unsigned char base);
82 int utilvserver_checkCompatVersion();
89 #endif // H_VSERVER_SYSCALL_INTERNAL_H