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