newlib/libc/machine/spu/ea_internal.h

   1 /*
   2 (C) Copyright IBM Corp. 2007, 2008
   3
   4 All rights reserved.
   5
   6 Redistribution and use in source and binary forms, with or without
   7 modification, are permitted provided that the following conditions are met:
   8
   9 * Redistributions of source code must retain the above copyright notice,
  10 this list of conditions and the following disclaimer.
  11 * Redistributions in binary form must reproduce the above copyright
  12 notice, this list of conditions and the following disclaimer in the
  13 documentation and/or other materials provided with the distribution.
  14 * Neither the name of IBM nor the names of its contributors may be
  15 used to endorse or promote products derived from this software without
  16 specific prior written permission.
  17
  18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28 POSSIBILITY OF SUCH DAMAGE.
  29
  30 */
  31
  32 #ifndef __EA_INTERNAL_H
  33 #define __EA_INTERNAL_H
  34
  35 #include <ea.h>
  36 #define JSRE_POSIX1_SIGNALCODE  0x2101
  37 #define SPE_POSIX1_FTOK         0x05
  38 #define SPE_POSIX1_MMAP         0x0b
  39 #define SPE_POSIX1_MUNMAP       0x0e
  40 /* implemented to here */
  41 #define SPE_POSIX1_MREMAP       0x0c
  42 #define SPE_POSIX1_MSYNC        0x0d
  43 #define SPE_POSIX1_SHMGET       0x14
  44 #define SPE_POSIX1_SHMCTL       0x12
  45 #define SPE_POSIX1_SHMAT        0x11
  46 #define SPE_POSIX1_SHMDT        0x13
  47 #define SPE_POSIX1_SHM_OPEN     0x15
  48 #define SPE_POSIX1_SHM_UNLINK   0x16
  49
  50 #define JSRE_LIBEA_SIGNALCODE   0x2105
  51 #define SPE_LIBEA_CALLOC        0x01
  52 #define SPE_LIBEA_FREE          0x02
  53 #define SPE_LIBEA_MALLOC        0x03
  54 #define SPE_LIBEA_REALLOC       0x04
  55 #define SPE_LIBEA_POSIX_MEMALIGN        0x05
  56
  57 #define PAD_INT 3
  58 #ifdef __EA64__
  59 #define PAD_LONG 2
  60 #else /* 32  bit */
  61 #define PAD_LONG 3
  62 #endif
  63
  64 #define ROUND_UP_NEXT_128(x) (((x) + 128) & (~127))
  65 #define ROUND_DOWN_128(x) ((x) & (~127))
  66
  67 /* Macro that generates an __ea alias.  */
  68 #ifdef __EA64__
  69 #define COMPAT_EA_ALIAS(name) asm (".global\t__" #name "64\n\t.set\t__" #name "64," #name)
  70 #else
  71 #define COMPAT_EA_ALIAS(name) asm (".global\t__" #name "32\n\t.set\t__" #name "32," #name)
  72 #endif
  73
  74 static inline __ea void* round_down_128_ea(__ea void* x)
  75 {
  76   size_ea_t tmp = (size_ea_t) x;
  77   tmp &= (~127);
  78   return (__ea void*)tmp;
  79 }
  80
  81 static
  82 inline __ea void* round_up_next_128_ea(__ea void* x)
  83 {
  84   size_ea_t tmp = (size_ea_t) x;
  85   tmp += 128;
  86   tmp &= (~127);
  87   return (__ea void*)tmp;
  88 }
  89
  90 #define __cache_fetch_dirty_all(x) \
  91                 __cache_fetch_dirty(round_down_128_ea(x), 128)
  92
  93 /* please optimize, this hurts my eyes */
  94 static inline size_t
  95 three_way_min(size_t x, size_t y, size_t z)
  96 {
  97   if (x < y)
  98     if (x < z)
  99       return x;
 100     else
 101       return z;
 102   else
 103     if (y < z)
 104       return y;
 105     else
 106       return z;
 107 }
 108
 109 #undef eavoid_to_ul
 110 #define eavoid_to_ul(X) ({ \
 111   unsigned long _y;                             \
 112   __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \
 113   _y;                                           \
 114 })
 115
 116 #undef eavoid_to_ull
 117 #define eavoid_to_ull(X) ({ \
 118   unsigned long long _y;                        \
 119   __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \
 120   _y;                                           \
 121 })
 122
 123 #ifdef __EA32__
 124 #undef ull_to_eavoid
 125 #define ull_to_eavoid(X) ({ \
 126   __ea void* _y;  \
 127   unsigned long long X2;   \
 128   (X2) = (X) << 32;\
 129   __asm__ ("# %0 %1" : "=r" (_y) : "0" (X2));    \
 130   _y;                                           \
 131 })
 132 #else /*__EA64__*/
 133 #define ull_to_eavoid(X) ({ \
 134   __ea void* _y;  \
 135   __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \
 136   _y;                                           \
 137 })
 138 #endif
 139
 140 #undef ul_to_eavoid
 141 #define ul_to_eavoid(X) ({ \
 142   __ea void* _y;                             \
 143   __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \
 144   _y;                                           \
 145 })
 146
 147 #endif /*__EA_INTERNAL_H*/