1#define __SYSCALL_LL_E(x) \
2((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
3((union { long long ll; long l[2]; }){ .ll = x }).l[1]
4#define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
5
6#if __riscv_xlen == 32
7extern unsigned int __sysinfo;
8#else
9extern unsigned long __sysinfo;
10#endif
11
12#define CALL_SYSINFO(n, ...) ((long(*)(long,...))__sysinfo)(n, ##__VA_ARGS__)
13
14static inline long __syscall0(long n)
15{
16    return CALL_SYSINFO(n);
17}
18
19static inline long __syscall1(long n, long a1)
20{
21    return CALL_SYSINFO(n, a1);
22}
23
24static inline long __syscall2(long n, long a1, long a2)
25{
26    return CALL_SYSINFO(n, a1, a2);
27}
28
29static inline long __syscall3(long n, long a1, long a2, long a3)
30{
31    return CALL_SYSINFO(n, a1, a2, a3);
32}
33
34static inline long __syscall4(long n, long a1, long a2, long a3, long a4)
35{
36    return CALL_SYSINFO(n, a1, a2, a3, a4);
37}
38
39static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5)
40{
41    return CALL_SYSINFO(n, a1, a2, a3, a4, a5);
42}
43
44static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6)
45{
46    return CALL_SYSINFO(n, a1, a2, a3, a4, a5, a6);
47}
48