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76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/* mpxrt.h -*-C++-*-
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*
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*************************************************************************
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*
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* @copyright
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* Copyright (C) 2015, Intel Corporation
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* All rights reserved.
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*
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* @copyright
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* @copyright
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************/
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#ifdef __i386__
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/* i386 directory size is 4MB. */
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#define NUM_L1_BITS 20
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#define NUM_L2_BITS 10
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#define NUM_IGN_BITS 2
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#define MPX_L1_ADDR_MASK 0xfffff000UL
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#define MPX_L2_ADDR_MASK 0xfffffffcUL
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#define MPX_L2_VALID_MASK 0x00000001UL
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#define REG_IP_IDX REG_EIP
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#define REX_PREFIX
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#define XSAVE_OFFSET_IN_FPMEM sizeof (struct _libc_fpstate)
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#else /* __i386__ */
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/* x86_64 directory size is 2GB. */
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#define NUM_L1_BITS 28
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#define NUM_L2_BITS 17
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#define NUM_IGN_BITS 3
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#define MPX_L1_ADDR_MASK 0xfffffffffffff000ULL
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#define MPX_L2_ADDR_MASK 0xfffffffffffffff8ULL
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#define MPX_L2_VALID_MASK 0x0000000000000001ULL
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#define REG_IP_IDX REG_RIP
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#define REX_PREFIX "0x48, "
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#define XSAVE_OFFSET_IN_FPMEM 0
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#endif /* !__i386__ */
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#define MPX_L1_SIZE ((1UL << NUM_L1_BITS) * sizeof (void *))
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/* Get address of bounds directory. */
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void *
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get_bd ();
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