arch/m68k/syscall_arch.h

   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 static __inline long __syscall0(long n)
   7 {
   8         register unsigned long d0 __asm__("d0") = n;
   9         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  10                 :
  11                 : "memory");
  12         return d0;
  13 }
  14
  15 static inline long __syscall1(long n, long a)
  16 {
  17         register unsigned long d0 __asm__("d0") = n;
  18         register unsigned long d1 __asm__("d1") = a;
  19         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  20                 : "r"(d1)
  21                 : "memory");
  22         return d0;
  23 }
  24
  25 static inline long __syscall2(long n, long a, long b)
  26 {
  27         register unsigned long d0 __asm__("d0") = n;
  28         register unsigned long d1 __asm__("d1") = a;
  29         register unsigned long d2 __asm__("d2") = b;
  30         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  31                 : "r"(d1), "r"(d2)
  32                 : "memory");
  33         return d0;
  34 }
  35
  36 static inline long __syscall3(long n, long a, long b, long c)
  37 {
  38         register unsigned long d0 __asm__("d0") = n;
  39         register unsigned long d1 __asm__("d1") = a;
  40         register unsigned long d2 __asm__("d2") = b;
  41         register unsigned long d3 __asm__("d3") = c;
  42         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  43                 : "r"(d1), "r"(d2), "r"(d3)
  44                 : "memory");
  45         return d0;
  46 }
  47
  48 static inline long __syscall4(long n, long a, long b, long c, long d)
  49 {
  50         register unsigned long d0 __asm__("d0") = n;
  51         register unsigned long d1 __asm__("d1") = a;
  52         register unsigned long d2 __asm__("d2") = b;
  53         register unsigned long d3 __asm__("d3") = c;
  54         register unsigned long d4 __asm__("d4") = d;
  55         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  56                 : "r"(d1), "r"(d2), "r"(d3), "r"(d4)
  57                 : "memory");
  58         return d0;
  59 }
  60
  61 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  62 {
  63         register unsigned long d0 __asm__("d0") = n;
  64         register unsigned long d1 __asm__("d1") = a;
  65         register unsigned long d2 __asm__("d2") = b;
  66         register unsigned long d3 __asm__("d3") = c;
  67         register unsigned long d4 __asm__("d4") = d;
  68         register unsigned long d5 __asm__("d5") = e;
  69         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  70                 : "r"(d1), "r"(d2), "r"(d3), "r"(d4), "r"(d5)
  71                 : "memory");
  72         return d0;
  73 }
  74
  75 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
  76 {
  77         register unsigned long d0 __asm__("d0") = n;
  78         register unsigned long d1 __asm__("d1") = a;
  79         register unsigned long d2 __asm__("d2") = b;
  80         register unsigned long d3 __asm__("d3") = c;
  81         register unsigned long d4 __asm__("d4") = d;
  82         register unsigned long d5 __asm__("d5") = e;
  83         register unsigned long a0 __asm__("a0") = f;
  84         __asm__ __volatile__ ("trap #0" : "+r"(d0)
  85                 : "r"(d1), "r"(d2), "r"(d3), "r"(d4), "r"(d5), "r"(a0)
  86                 : "memory");
  87         return d0;
  88 }
  89
  90 #define SYSCALL_IPC_BROKEN_MODE