1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef _INC_SYSCALL_DEFS_H_
18 #define _INC_SYSCALL_DEFS_H_
19
20 #include <cpu/syscallDo.h>
21
22 /* it is always safe to use this, but using syscallDo0P .. syscallDo4P macros may produce faster code for free */
syscallDoGeneric(uint32_t syscallNo,...)23 static inline uintptr_t syscallDoGeneric(uint32_t syscallNo, ...)
24 {
25 uintptr_t ret;
26 va_list vl;
27
28 va_start(vl, syscallNo);
29 #ifdef SYSCALL_PARAMS_PASSED_AS_PTRS
30 ret = cpuSyscallDo(syscallNo, &vl);
31 #else
32 ret = cpuSyscallDo(syscallNo, *(uint32_t*)&vl);
33 #endif
34 va_end(vl);
35
36 return ret;
37 }
38
39 #ifdef cpuSyscallDo0P
40 #define syscallDo0P(syscallNo) cpuSyscallDo0P(syscallNo)
41 #else
42 #define syscallDo0P(syscallNo) syscallDoGeneric(syscallNo)
43 #endif
44
45 #ifdef cpuSyscallDo1P
46 #define syscallDo1P(syscallNo,p1) cpuSyscallDo1P(syscallNo,p1)
47 #else
48 #define syscallDo1P(syscallNo,p1) syscallDoGeneric(syscallNo,p1)
49 #endif
50
51 #ifdef cpuSyscallDo2P
52 #define syscallDo2P(syscallNo,p1,p2) cpuSyscallDo2P(syscallNo,p1,p2)
53 #else
54 #define syscallDo2P(syscallNo,p1,p2) syscallDoGeneric(syscallNo,p1,p2)
55 #endif
56
57 #ifdef cpuSyscallDo3P
58 #define syscallDo3P(syscallNo,p1,p2,p3) cpuSyscallDo3P(syscallNo,p1,p2,p3)
59 #else
60 #define syscallDo3P(syscallNo,p1,p2,p3) syscallDoGeneric(syscallNo,p1,p2,p3)
61 #endif
62
63 #ifdef cpuSyscallDo4P
64 #define syscallDo4P(syscallNo,p1,p2,p3,p4) cpuSyscallDo4P(syscallNo,p1,p2,p3,p4)
65 #else
66 #define syscallDo4P(syscallNo,p1,p2,p3,p4) syscallDoGeneric(syscallNo,p1,p2,p3,p4)
67 #endif
68
69 #ifdef cpuSyscallDo5P
70 #define syscallDo5P(syscallNo,p1,p2,p3,p4,p5) cpuSyscallDo5P(syscallNo,p1,p2,p3,p4,p5)
71 #else
72 #define syscallDo5P(syscallNo,p1,p2,p3,p4,p5) syscallDoGeneric(syscallNo,p1,p2,p3,p4,p5)
73 #endif
74
75 #ifdef cpuSyscallDo6P
76 #define syscallDo6P(syscallNo,p1,p2,p3,p4,p5,p6) cpuSyscallDo5P(syscallNo,p1,p2,p3,p4,p5,p6)
77 #else
78 #define syscallDo6P(syscallNo,p1,p2,p3,p4,p5,p6) syscallDoGeneric(syscallNo,p1,p2,p3,p4,p5,p6)
79 #endif
80
81 #endif /* _INC_SYSCALL_DEFS_H_ */
82