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 long (__syscall)(long, ...);
   9
  10 #ifndef __clang__
  11
  12 static __inline long __syscall0(long n)
  13 {
  14         register unsigned long r11 __asm__("r11") = n;
  15         __asm__ __volatile__ ("l.sys 1"
  16                               : "=r"(r11)
  17                               : "r"(r11)
  18                               : "memory", "r3", "r4", "r5", "r6", "r7", "r8",
  19                                 "r12", "r13", "r15", "r17", "r19", "r21",
  20                                 "r23", "r25", "r27", "r29", "r31");
  21         return r11;
  22 }
  23
  24 static inline long __syscall1(long n, long a)
  25 {
  26         register unsigned long r11 __asm__("r11") = n;
  27         register unsigned long r3 __asm__("r3") = a;
  28         __asm__ __volatile__ ("l.sys 1"
  29                               : "=r"(r11)
  30                               : "r"(r11), "r"(r3)
  31                               : "memory", "r4", "r5", "r6", "r7", "r8",
  32                                 "r12", "r13", "r15", "r17", "r19", "r21",
  33                                 "r23", "r25", "r27", "r29", "r31");
  34         return r11;
  35 }
  36
  37 static inline long __syscall2(long n, long a, long b)
  38 {
  39         register unsigned long r11 __asm__("r11") = n;
  40         register unsigned long r3 __asm__("r3") = a;
  41         register unsigned long r4 __asm__("r4") = b;
  42         __asm__ __volatile__ ("l.sys 1"
  43                               : "=r"(r11)
  44                               : "r"(r11), "r"(r3), "r"(r4)
  45                               : "memory", "r5", "r6", "r7", "r8",
  46                                 "r12", "r13", "r15", "r17", "r19", "r21",
  47                                 "r23", "r25", "r27", "r29", "r31");
  48         return r11;
  49 }
  50
  51 static inline long __syscall3(long n, long a, long b, long c)
  52 {
  53         register unsigned long r11 __asm__("r11") = n;
  54         register unsigned long r3 __asm__("r3") = a;
  55         register unsigned long r4 __asm__("r4") = b;
  56         register unsigned long r5 __asm__("r5") = c;
  57         __asm__ __volatile__ ("l.sys 1"
  58                               : "=r"(r11)
  59                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5)
  60                               : "memory", "r6", "r7", "r8",
  61                                 "r12", "r13", "r15", "r17", "r19", "r21",
  62                                 "r23", "r25", "r27", "r29", "r31");
  63         return r11;
  64 }
  65
  66 static inline long __syscall4(long n, long a, long b, long c, long d)
  67 {
  68         register unsigned long r11 __asm__("r11") = n;
  69         register unsigned long r3 __asm__("r3") = a;
  70         register unsigned long r4 __asm__("r4") = b;
  71         register unsigned long r5 __asm__("r5") = c;
  72         register unsigned long r6 __asm__("r6") = d;
  73         __asm__ __volatile__ ("l.sys 1"
  74                               : "=r"(r11)
  75                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6)
  76                               : "memory", "r7", "r8",
  77                                 "r12", "r13", "r15", "r17", "r19", "r21",
  78                                 "r23", "r25", "r27", "r29", "r31");
  79         return r11;
  80 }
  81
  82 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  83 {
  84         register unsigned long r11 __asm__("r11") = n;
  85         register unsigned long r3 __asm__("r3") = a;
  86         register unsigned long r4 __asm__("r4") = b;
  87         register unsigned long r5 __asm__("r5") = c;
  88         register unsigned long r6 __asm__("r6") = d;
  89         register unsigned long r7 __asm__("r7") = e;
  90         __asm__ __volatile__ ("l.sys 1"
  91                               : "=r"(r11)
  92                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
  93                                 "r"(r7)
  94                               : "memory", "r8",
  95                                 "r12", "r13", "r15", "r17", "r19", "r21",
  96                                 "r23", "r25", "r27", "r29", "r31");
  97         return r11;
  98 }
  99
 100 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
 101 {
 102         register unsigned long r11 __asm__("r11") = n;
 103         register unsigned long r3 __asm__("r3") = a;
 104         register unsigned long r4 __asm__("r4") = b;
 105         register unsigned long r5 __asm__("r5") = c;
 106         register unsigned long r6 __asm__("r6") = d;
 107         register unsigned long r7 __asm__("r7") = e;
 108         register unsigned long r8 __asm__("r8") = f;
 109         __asm__ __volatile__ ("l.sys 1"
 110                               : "=r"(r11)
 111                               : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
 112                                 "r"(r7), "r"(r8)
 113                               : "memory",
 114                                 "r12", "r13", "r15", "r17", "r19", "r21",
 115                                 "r23", "r25", "r27", "r29", "r31");
 116         return r11;
 117 }
 118
 119 #else
 120
 121 #undef SYSCALL_NO_INLINE
 122 #define SYSCALL_NO_INLINE
 123
 124 #endif