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))
8 #define __asm_syscall(...) do { \
9 register long r2 __asm__("$2"); \
10 __asm__ __volatile__ ( \
11 "addu $2,$0,%2 ; syscall" \
12 : "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \
13 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \
14 "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \
15 return r7 ? -r2 : r2; \
18 static inline long __syscall0(long n)
20 register long r7 __asm__("$7");
21 __asm_syscall("i"(0));
24 static inline long __syscall1(long n, long a)
26 register long r4 __asm__("$4") = a;
27 register long r7 __asm__("$7");
28 __asm_syscall("r"(r4));
31 static inline long __syscall2(long n, long a, long b)
33 register long r4 __asm__("$4") = a;
34 register long r5 __asm__("$5") = b;
35 register long r7 __asm__("$7");
36 __asm_syscall("r"(r4), "r"(r5));
39 static inline long __syscall3(long n, long a, long b, long c)
41 register long r4 __asm__("$4") = a;
42 register long r5 __asm__("$5") = b;
43 register long r6 __asm__("$6") = c;
44 register long r7 __asm__("$7");
45 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
48 static inline long __syscall4(long n, long a, long b, long c, long d)
50 register long r4 __asm__("$4") = a;
51 register long r5 __asm__("$5") = b;
52 register long r6 __asm__("$6") = c;
53 register long r7 __asm__("$7") = d;
54 __asm_syscall("r"(r4), "r"(r5), "r"(r6));
59 static inline long __syscall0(long n)
61 return (__syscall)(n);
64 static inline long __syscall1(long n, long a)
66 return (__syscall)(n, a);
69 static inline long __syscall2(long n, long a, long b)
71 return (__syscall)(n, a, b);
74 static inline long __syscall3(long n, long a, long b, long c)
76 return (__syscall)(n, a, b, c);
79 static inline long __syscall4(long n, long a, long b, long c, long d)
81 return (__syscall)(n, a, b, c, d);
86 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
88 return (__syscall)(n, a, b, c, d, e);
91 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
93 return (__syscall)(n, a, b, c, d, e, f);