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 #define __asm_syscall(...) \
7 __asm__ __volatile__ ("ecall\n\t" \
8 : "=r"(a0) : __VA_ARGS__ : "memory"); \
9 return a0; \
10
__syscall0(long n)11 static inline long __syscall0(long n)
12 {
13 register long a7 __asm__("a7") = n;
14 register long a0 __asm__("a0");
15 __asm_syscall("r"(a7))
16 }
17
__syscall1(long n,long a)18 static inline long __syscall1(long n, long a)
19 {
20 register long a7 __asm__("a7") = n;
21 register long a0 __asm__("a0") = a;
22 __asm_syscall("r"(a7), "0"(a0))
23 }
24
__syscall2(long n,long a,long b)25 static inline long __syscall2(long n, long a, long b)
26 {
27 register long a7 __asm__("a7") = n;
28 register long a0 __asm__("a0") = a;
29 register long a1 __asm__("a1") = b;
30 __asm_syscall("r"(a7), "0"(a0), "r"(a1))
31 }
32
__syscall3(long n,long a,long b,long c)33 static inline long __syscall3(long n, long a, long b, long c)
34 {
35 register long a7 __asm__("a7") = n;
36 register long a0 __asm__("a0") = a;
37 register long a1 __asm__("a1") = b;
38 register long a2 __asm__("a2") = c;
39 __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2))
40 }
41
__syscall4(long n,long a,long b,long c,long d)42 static inline long __syscall4(long n, long a, long b, long c, long d)
43 {
44 register long a7 __asm__("a7") = n;
45 register long a0 __asm__("a0") = a;
46 register long a1 __asm__("a1") = b;
47 register long a2 __asm__("a2") = c;
48 register long a3 __asm__("a3") = d;
49 __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3))
50 }
51
__syscall5(long n,long a,long b,long c,long d,long e)52 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
53 {
54 register long a7 __asm__("a7") = n;
55 register long a0 __asm__("a0") = a;
56 register long a1 __asm__("a1") = b;
57 register long a2 __asm__("a2") = c;
58 register long a3 __asm__("a3") = d;
59 register long a4 __asm__("a4") = e;
60 __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4))
61 }
62
__syscall6(long n,long a,long b,long c,long d,long e,long f)63 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
64 {
65 register long a7 __asm__("a7") = n;
66 register long a0 __asm__("a0") = a;
67 register long a1 __asm__("a1") = b;
68 register long a2 __asm__("a2") = c;
69 register long a3 __asm__("a3") = d;
70 register long a4 __asm__("a4") = e;
71 register long a5 __asm__("a5") = f;
72 __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5))
73 }
74
75 #define VDSO_USEFUL
76 /* We don't have a clock_gettime function.
77 #define VDSO_CGT_SYM "__vdso_clock_gettime"
78 #define VDSO_CGT_VER "LINUX_2.6" */
79
80 #define IPC_64 0
81