gcc/config/i386/sgxintrin.h

   1 #ifndef _SGXINTRIN_H_INCLUDED
   2 #define _SGXINTRIN_H_INCLUDED
   3
   4 #ifndef __SGX__
   5 #pragma GCC push_options
   6 #pragma GCC target("sgx")
   7 #define __DISABLE_SGX__
   8 #endif /* __SGX__ */
   9
  10 #define __encls_bc(leaf, b, c, retval)                  \
  11   __asm__ __volatile__ ("encls\n\t"                     \
  12            : "=a" (retval)                              \
  13            : "a" (leaf), "b" (b), "c" (c)               \
  14            : "cc")
  15
  16 #define __encls_bcd(leaf, b, c, d, retval)              \
  17   __asm__ __volatile__("encls\n\t"                      \
  18            : "=a" (retval)                              \
  19            : "a" (leaf), "b" (b), "c" (c), "d" (d)      \
  20            : "cc")
  21
  22 #define __encls_c(leaf, c, retval)                      \
  23   __asm__ __volatile__("encls\n\t"                      \
  24            : "=a" (retval)                              \
  25            : "a" (leaf), "c" (c)                        \
  26            : "cc")
  27
  28 #define __encls_edbgrd(leaf, b, c, retval)              \
  29   __asm__ __volatile__("encls\n\t"                      \
  30            : "=a" (retval), "=b" (b)                    \
  31            : "a" (leaf), "c" (c))
  32
  33 #define __encls_generic(leaf, b, c, d, retval)          \
  34   __asm__ __volatile__("encls\n\t"                      \
  35            : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
  36            : "a" (leaf), "b" (b), "c" (c), "d" (d)      \
  37            : "cc")
  38
  39 #define __enclu_bc(leaf, b, c, retval)                  \
  40   __asm__ __volatile__("enclu\n\t"                      \
  41            : "=a" (retval)                              \
  42            : "a" (leaf), "b" (b), "c" (c)               \
  43            : "cc")
  44
  45 #define __enclu_bcd(leaf, b, c, d, retval)              \
  46   __asm__ __volatile__("enclu\n\t"                      \
  47            : "=a" (retval)                              \
  48            : "a" (leaf), "b" (b), "c" (c), "d" (d)      \
  49            : "cc")
  50
  51 #define __enclu_eenter(leaf, b, c, retval)              \
  52   __asm__  __volatile__("enclu\n\t"                     \
  53            : "=a" (retval), "=c" (c)                    \
  54            : "a" (leaf), "b" (b), "c" (c)               \
  55            : "cc")
  56
  57 #define __enclu_eexit(leaf, b, c, retval)               \
  58   __asm__  __volatile__("enclu\n\t"                     \
  59            : "=a" (retval), "=c" (c)                    \
  60            : "a" (leaf), "b" (b)                        \
  61            : "cc")
  62
  63 #define __enclu_generic(leaf, b, c, d, retval)          \
  64   __asm__ __volatile__("enclu\n\t"                      \
  65            : "=a" (retval), "=b" (b), "=c" (c), "=d" (d)\
  66            : "a" (leaf), "b" (b), "c" (c), "d" (d)      \
  67            : "cc")
  68
  69
  70 extern __inline int
  71 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  72 _encls_u32 (const int __L, size_t __D[])
  73 {
  74   enum __encls_type
  75   {
  76     __SGX_ECREATE = 0x00,
  77     __SGX_EADD    = 0x01,
  78     __SGX_EINIT   = 0x02,
  79     __SGX_EREMOVE = 0x03,
  80     __SGX_EDBGRD  = 0x04,
  81     __SGX_EDBGWR  = 0x05,
  82     __SGX_EEXTEND = 0x06,
  83     __SGX_ELDB    = 0x07,
  84     __SGX_ELDU    = 0x08,
  85     __SGX_EBLOCK  = 0x09,
  86     __SGX_EPA     = 0x0A,
  87     __SGX_EWB     = 0x0B,
  88     __SGX_ETRACK  = 0x0C,
  89     __SGX_EAUG    = 0x0D,
  90     __SGX_EMODPR  = 0x0E,
  91     __SGX_EMODT   = 0x0F
  92   };
  93   enum __encls_type __T = (enum __encls_type)__L;
  94   int __R = 0;
  95   if (!__builtin_constant_p (__T))
  96     __encls_generic (__L, __D[0], __D[1], __D[2], __R);
  97   else switch (__T)
  98     {
  99     case __SGX_ECREATE:
 100     case __SGX_EADD:
 101     case __SGX_EDBGWR:
 102     case __SGX_EEXTEND:
 103     case __SGX_EPA:
 104     case __SGX_EMODPR:
 105     case __SGX_EMODT:
 106     case __SGX_EAUG:
 107       __encls_bc (__L, __D[0], __D[1], __R);
 108       break;
 109     case __SGX_EINIT:
 110     case __SGX_ELDB:
 111     case __SGX_ELDU:
 112     case __SGX_EWB:
 113       __encls_bcd (__L, __D[0], __D[1], __D[2], __R);
 114       break;
 115     case __SGX_EREMOVE:
 116     case __SGX_EBLOCK:
 117     case __SGX_ETRACK:
 118       __encls_c (__L, __D[1], __R);
 119       break;
 120     case __SGX_EDBGRD:
 121       __encls_edbgrd (__L, __D[0], __D[1], __R);
 122       break;
 123     default:
 124       return -1;
 125     }
 126   return __R;
 127 }
 128
 129 extern __inline int
 130 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 131 _enclu_u32 (const int __L, size_t __D[])
 132 {
 133   enum __enclu_type
 134   {
 135     __SGX_EREPORT     = 0x00,
 136     __SGX_EGETKEY     = 0x01,
 137     __SGX_EENTER      = 0x02,
 138     __SGX_ERESUME     = 0x03,
 139     __SGX_EEXIT       = 0x04,
 140     __SGX_EACCEPT     = 0x05,
 141     __SGX_EMODPE      = 0x06,
 142     __SGX_EACCEPTCOPY = 0x07
 143   };
 144   enum __enclu_type __T = (enum __enclu_type) __L;
 145   int __R = 0;
 146   if (!__builtin_constant_p (__T))
 147     __enclu_generic (__L, __D[0], __D[1], __D[2], __R);
 148   else switch (__T)
 149     {
 150     case __SGX_EREPORT:
 151     case __SGX_EACCEPTCOPY:
 152       __enclu_bcd (__L, __D[0], __D[1], __D[2], __R);
 153       break;
 154     case __SGX_EGETKEY:
 155     case __SGX_ERESUME:
 156     case __SGX_EACCEPT:
 157     case __SGX_EMODPE:
 158       __enclu_bc (__L, __D[0], __D[1], __R);
 159       break;
 160     case __SGX_EENTER:
 161       __enclu_eenter (__L, __D[0], __D[1], __R);
 162       break;
 163     case __SGX_EEXIT:
 164       __enclu_eexit (__L, __D[0], __D[1], __R);
 165       break;
 166     default:
 167       return -1;
 168     }
 169   return __R;
 170 }
 171
 172 #ifdef __DISABLE_SGX__
 173 #undef __DISABLE_SGX__
 174 #pragma GCC pop_options
 175 #endif /* __DISABLE_SGX__ */
 176
 177 #endif /* _SGXINTRIN_H_INCLUDED */