arch/or1k/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 #define SYSCALL_MMAP2_UNIT 8192ULL
   7
   8 static __inline long __syscall0(long n)
   9 {
  10         register unsigned long r11 __asm__("r11") = n;
  11         __asm__ __volatile__ ("l.sys 1"
  12                               : "=r"(r11)
  13                               : "r"(r11)
  14                               : "memory", "r3", "r4", "r5", "r6", "r7", "r8",
  15                                 "r12", "r13", "r15", "r17", "r19", "r21",
  16                                 "r23", "r25", "r27", "r29", "r31");
  17         return r11;
  18 }
  19
  20 static inline long __syscall1(long n, long a)
  21 {
  22         register unsigned long r11 __asm__("r11") = n;
  23         register unsigned long r3 __asm__("r3") = a;
  24         __asm__ __volatile__ ("l.sys 1"
  25                               : "=r"(r11)
  26                               : "r"(r11), "r"(r3)
  27                               : "memory", "r4", "r5", "r6", "r7", "r8",
  28                                 "r12", "r13", "r15", "r17", "r19", "r21",
  29                                 "r23", "r25", "r27", "r29", "r31");
  30         return r11;
  31 }
  32
  33 static inline long __syscall2(long n, long a, long b)
  34 {
  35         register unsigned long r11 __asm__("r11") = n;
  36         register unsigned long r3 __asm__("r3") = a;
  37         register unsigned long r4 __asm__("r4") = b;
  38         __asm__ __volatile__ ("l.sys 1"
  39                               : "=r"(r11)
  40                               : "r"(r11), "r"(r3), "r"(r4)
  41                               : "memory", "r5", "r6", "r7", "r8",
  42                                 "r12", "r13", "r15", "r17", "r19", "r21",
  43                                 "r23", "r25", "r27", "r29", "r31");
  44         return r11;
  45 }
  46
  47 static inline long __syscall3(long n, long a, long b, long c)
  48 {
  49         register unsigned long r11 __asm__("r11") = n;
  50         register unsigned long r3 __asm__("r3") = a;
  51         register unsigned long r4 __asm__("r4") = b;
  52         register unsigned long r5 __asm__("r5") = c;
  53         __asm__ __volatile__ ("l.sys 1"
  54                               : "=r"(r11)
  55                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5)
  56                               : "memory", "r6", "r7", "r8",
  57                                 "r12", "r13", "r15", "r17", "r19", "r21",
  58                                 "r23", "r25", "r27", "r29", "r31");
  59         return r11;
  60 }
  61
  62 static inline long __syscall4(long n, long a, long b, long c, long d)
  63 {
  64         register unsigned long r11 __asm__("r11") = n;
  65         register unsigned long r3 __asm__("r3") = a;
  66         register unsigned long r4 __asm__("r4") = b;
  67         register unsigned long r5 __asm__("r5") = c;
  68         register unsigned long r6 __asm__("r6") = d;
  69         __asm__ __volatile__ ("l.sys 1"
  70                               : "=r"(r11)
  71                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6)
  72                               : "memory", "r7", "r8",
  73                                 "r12", "r13", "r15", "r17", "r19", "r21",
  74                                 "r23", "r25", "r27", "r29", "r31");
  75         return r11;
  76 }
  77
  78 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  79 {
  80         register unsigned long r11 __asm__("r11") = n;
  81         register unsigned long r3 __asm__("r3") = a;
  82         register unsigned long r4 __asm__("r4") = b;
  83         register unsigned long r5 __asm__("r5") = c;
  84         register unsigned long r6 __asm__("r6") = d;
  85         register unsigned long r7 __asm__("r7") = e;
  86         __asm__ __volatile__ ("l.sys 1"
  87                               : "=r"(r11)
  88                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
  89                                 "r"(r7)
  90                               : "memory", "r8",
  91                                 "r12", "r13", "r15", "r17", "r19", "r21",
  92                                 "r23", "r25", "r27", "r29", "r31");
  93         return r11;
  94 }
  95
  96 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
  97 {
  98         register unsigned long r11 __asm__("r11") = n;
  99         register unsigned long r3 __asm__("r3") = a;
 100         register unsigned long r4 __asm__("r4") = b;
 101         register unsigned long r5 __asm__("r5") = c;
 102         register unsigned long r6 __asm__("r6") = d;
 103         register unsigned long r7 __asm__("r7") = e;
 104         register unsigned long r8 __asm__("r8") = f;
 105         __asm__ __volatile__ ("l.sys 1"
 106                               : "=r"(r11)
 107                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
 108                                 "r"(r7), "r"(r8)
 109                               : "memory",
 110                                 "r12", "r13", "r15", "r17", "r19", "r21",
 111                                 "r23", "r25", "r27", "r29", "r31");
 112         return r11;
 113 }
 114
 115 #define IPC_64 0