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