libmpx/mpxrt/mpxrt.h

   1 /* mpxrt.h                  -*-C++-*-
   2  *
   3  *************************************************************************
   4  *
   5  *  @copyright
   6  *  Copyright (C) 2015, Intel Corporation
   7  *  All rights reserved.
   8  *
   9  *  @copyright
  10  *  Redistribution and use in source and binary forms, with or without
  11  *  modification, are permitted provided that the following conditions
  12  *  are met:
  13  *
  14  *    * Redistributions of source code must retain the above copyright
  15  *      notice, this list of conditions and the following disclaimer.
  16  *    * Redistributions in binary form must reproduce the above copyright
  17  *      notice, this list of conditions and the following disclaimer in
  18  *      the documentation and/or other materials provided with the
  19  *      distribution.
  20  *    * Neither the name of Intel Corporation nor the names of its
  21  *      contributors may be used to endorse or promote products derived
  22  *      from this software without specific prior written permission.
  23  *
  24  *  @copyright
  25  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28  *  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
  29  *  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  30  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  31  *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  32  *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  33  *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
  35  *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  *  POSSIBILITY OF SUCH DAMAGE.
  37  *
  38  **************************************************************************/
  39 #ifdef __i386__
  40
  41 /* i386 directory size is 4MB.  */
  42 #define NUM_L1_BITS 20
  43 #define NUM_L2_BITS 10
  44 #define NUM_IGN_BITS 2
  45 #define MPX_L1_ADDR_MASK  0xfffff000UL
  46 #define MPX_L2_ADDR_MASK  0xfffffffcUL
  47 #define MPX_L2_VALID_MASK 0x00000001UL
  48
  49 #define REG_IP_IDX      REG_EIP
  50 #define REX_PREFIX
  51
  52 #define XSAVE_OFFSET_IN_FPMEM    sizeof (struct _libc_fpstate)
  53
  54 #else /* __i386__ */
  55
  56 /* x86_64 directory size is 2GB.  */
  57 #define NUM_L1_BITS 28
  58 #define NUM_L2_BITS 17
  59 #define NUM_IGN_BITS 3
  60 #define MPX_L1_ADDR_MASK  0xfffffffffffff000ULL
  61 #define MPX_L2_ADDR_MASK  0xfffffffffffffff8ULL
  62 #define MPX_L2_VALID_MASK 0x0000000000000001ULL
  63
  64 #define REG_IP_IDX    REG_RIP
  65 #define REX_PREFIX    "0x48, "
  66
  67 #define XSAVE_OFFSET_IN_FPMEM 0
  68
  69 #endif /* !__i386__ */
  70
  71 #define MPX_L1_SIZE ((1UL << NUM_L1_BITS) * sizeof (void *))
  72
  73 /* Get address of bounds directory.  */
  74 void *
  75 get_bd ();