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/*

(C) Copyright IBM Corp. 2007, 2008

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,

this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the

documentation and/or other materials provided with the distribution.

* Neither the name of IBM nor the names of its contributors may be

used to endorse or promote products derived from this software without

specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

POSSIBILITY OF SUCH DAMAGE.

*/

#ifndef __EA_INTERNAL_H

#define __EA_INTERNAL_H

#include <ea.h>

#define JSRE_POSIX1_SIGNALCODE  0x2101

#define SPE_POSIX1_FTOK         0x05

#define SPE_POSIX1_MMAP         0x0b

#define SPE_POSIX1_MUNMAP       0x0e

/* implemented to here */

#define SPE_POSIX1_MREMAP       0x0c

#define SPE_POSIX1_MSYNC        0x0d

#define SPE_POSIX1_SHMGET       0x14

#define SPE_POSIX1_SHMCTL       0x12

#define SPE_POSIX1_SHMAT        0x11

#define SPE_POSIX1_SHMDT        0x13

#define SPE_POSIX1_SHM_OPEN     0x15

#define SPE_POSIX1_SHM_UNLINK   0x16

#define JSRE_LIBEA_SIGNALCODE   0x2105

#define SPE_LIBEA_CALLOC        0x01

#define SPE_LIBEA_FREE          0x02

#define SPE_LIBEA_MALLOC        0x03

#define SPE_LIBEA_REALLOC       0x04

#define SPE_LIBEA_POSIX_MEMALIGN        0x05

#define PAD_INT 3

#ifdef __EA64__

#define PAD_LONG 2

#else /* 32  bit */

#define PAD_LONG 3

#endif

#define ROUND_UP_NEXT_128(x) (((x) + 128) & (~127))

#define ROUND_DOWN_128(x) ((x) & (~127))

/* Macro that generates an __ea alias.  */

#ifdef __EA64__

#define COMPAT_EA_ALIAS(name) asm (".global\t__" #name "64\n\t.set\t__" #name "64," #name)

#else

#define COMPAT_EA_ALIAS(name) asm (".global\t__" #name "32\n\t.set\t__" #name "32," #name)

#endif

static inline __ea void* round_down_128_ea(__ea void* x)

{

  size_ea_t tmp = (size_ea_t) x;

  tmp &= (~127);

  return (__ea void*)tmp;

}

static

inline __ea void* round_up_next_128_ea(__ea void* x)

{

  size_ea_t tmp = (size_ea_t) x;

  tmp += 128;

  tmp &= (~127);

  return (__ea void*)tmp;

}

#define __cache_fetch_dirty_all(x) \

                __cache_fetch_dirty(round_down_128_ea(x), 128)

/* please optimize, this hurts my eyes */

static inline size_t

three_way_min(size_t x, size_t y, size_t z)

{

  if (x < y)

    if (x < z)

      return x;

    else

      return z;

  else

    if (y < z)

      return y;

    else

      return z;

}

#undef eavoid_to_ul

#define eavoid_to_ul(X) ({ \

  unsigned long _y;                             \

  __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \

  _y;                                           \

})

#undef eavoid_to_ull

#define eavoid_to_ull(X) ({ \

  unsigned long long _y;                        \

  __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \

  _y;                                           \

})

#ifdef __EA32__

#undef ull_to_eavoid

#define ull_to_eavoid(X) ({ \

  __ea void* _y;  \

  unsigned long long X2;   \

  (X2) = (X) << 32;\

  __asm__ ("# %0 %1" : "=r" (_y) : "0" (X2));    \

  _y;                                           \

})

#else /*__EA64__*/

#define ull_to_eavoid(X) ({ \

  __ea void* _y;  \

  __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \

  _y;                                           \

})

#endif

#undef ul_to_eavoid

#define ul_to_eavoid(X) ({ \

  __ea void* _y;                             \

  __asm__ ("# %0 %1" : "=r" (_y) : "0" (X));    \

  _y;                                           \

})

#endif /*__EA_INTERNAL_H*/