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) 0, __SYSCALL_LL_E((x))
6 long (__syscall)(long, ...);
10 #define __asm_syscall(...) do { \
11 register long r2 __asm__("$2"); \
12 __asm__ __volatile__ ( \
13 "addu $2,$0,%2 ; syscall" \
14 : "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \
15 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
16 "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \
17 return r7 ? -r2 : r2; \
20 static inline long __syscall0(long n)
22 register long r7 __asm__("$7");
23 __asm_syscall("i"(0));
26 static inline long __syscall1(long n, long a)
28 register long r4 __asm__("$4") = a;
29 register long r7 __asm__("$7");
30 __asm_syscall("r"(r4));
33 static inline long __syscall2(long n, long a, long b)
35 register long r4 __asm__("$4") = a;
36 register long r5 __asm__("$5") = b;
37 register long r7 __asm__("$7");
38 __asm_syscall("r"(r4), "r"(r5));
41 static inline long __syscall3(long n, long a, long b, long c)
43 register long r4 __asm__("$4") = a;
44 register long r5 __asm__("$5") = b;
45 register long r6 __asm__("$6") = c;
46 register long r7 __asm__("$7");
47 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
50 static inline long __syscall4(long n, long a, long b, long c, long d)
52 register long r4 __asm__("$4") = a;
53 register long r5 __asm__("$5") = b;
54 register long r6 __asm__("$6") = c;
55 register long r7 __asm__("$7") = d;
56 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
61 static inline long __syscall0(long n)
63 return (__syscall)(n);
66 static inline long __syscall1(long n, long a)
68 return (__syscall)(n, a);
71 static inline long __syscall2(long n, long a, long b)
73 return (__syscall)(n, a, b);
76 static inline long __syscall3(long n, long a, long b, long c)
78 return (__syscall)(n, a, b, c);
81 static inline long __syscall4(long n, long a, long b, long c, long d)
83 return (__syscall)(n, a, b, c, d);
88 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
90 return (__syscall)(n, a, b, c, d, e);
93 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
95 return (__syscall)(n, a, b, c, d, e, f);