syscall_arch.h raw

   1  #define __SYSCALL_LL_E(x) (x)
   2  #define __SYSCALL_LL_O(x) (x)
   3  
   4  #define __asm_syscall(...) \
   5  	__asm__ __volatile__ ("ecall\n\t" \
   6  	: "=r"(a0) : __VA_ARGS__ : "memory"); \
   7  	return a0; \
   8  
   9  static inline long __syscall0(long n)
  10  {
  11  	register long a7 __asm__("a7") = n;
  12  	register long a0 __asm__("a0");
  13  	__asm_syscall("r"(a7))
  14  }
  15  
  16  static inline long __syscall1(long n, long a)
  17  {
  18  	register long a7 __asm__("a7") = n;
  19  	register long a0 __asm__("a0") = a;
  20  	__asm_syscall("r"(a7), "0"(a0))
  21  }
  22  
  23  static inline long __syscall2(long n, long a, long b)
  24  {
  25  	register long a7 __asm__("a7") = n;
  26  	register long a0 __asm__("a0") = a;
  27  	register long a1 __asm__("a1") = b;
  28  	__asm_syscall("r"(a7), "0"(a0), "r"(a1))
  29  }
  30  
  31  static inline long __syscall3(long n, long a, long b, long c)
  32  {
  33  	register long a7 __asm__("a7") = n;
  34  	register long a0 __asm__("a0") = a;
  35  	register long a1 __asm__("a1") = b;
  36  	register long a2 __asm__("a2") = c;
  37  	__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2))
  38  }
  39  
  40  static inline long __syscall4(long n, long a, long b, long c, long d)
  41  {
  42  	register long a7 __asm__("a7") = n;
  43  	register long a0 __asm__("a0") = a;
  44  	register long a1 __asm__("a1") = b;
  45  	register long a2 __asm__("a2") = c;
  46  	register long a3 __asm__("a3") = d;
  47  	__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3))
  48  }
  49  
  50  static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  51  {
  52  	register long a7 __asm__("a7") = n;
  53  	register long a0 __asm__("a0") = a;
  54  	register long a1 __asm__("a1") = b;
  55  	register long a2 __asm__("a2") = c;
  56  	register long a3 __asm__("a3") = d;
  57  	register long a4 __asm__("a4") = e;
  58  	__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4))
  59  }
  60  
  61  static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
  62  {
  63  	register long a7 __asm__("a7") = n;
  64  	register long a0 __asm__("a0") = a;
  65  	register long a1 __asm__("a1") = b;
  66  	register long a2 __asm__("a2") = c;
  67  	register long a3 __asm__("a3") = d;
  68  	register long a4 __asm__("a4") = e;
  69  	register long a5 __asm__("a5") = f;
  70  	__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5))
  71  }
  72  
  73  #define VDSO_USEFUL
  74  /* We don't have a clock_gettime function.
  75  #define VDSO_CGT_SYM "__vdso_clock_gettime"
  76  #define VDSO_CGT_VER "LINUX_2.6" */
  77  
  78  #define IPC_64 0
  79