Retro68/gcc/libmpx/mpxrt/mpxrt.h
2017-04-10 13:32:00 +02:00

76 lines
2.7 KiB
C++

/* mpxrt.h -*-C++-*-
*
*************************************************************************
*
* @copyright
* Copyright (C) 2015, Intel Corporation
* All rights reserved.
*
* @copyright
* 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 Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* @copyright
* 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
* HOLDER 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.
*
**************************************************************************/
#ifdef __i386__
/* i386 directory size is 4MB. */
#define NUM_L1_BITS 20
#define NUM_L2_BITS 10
#define NUM_IGN_BITS 2
#define MPX_L1_ADDR_MASK 0xfffff000UL
#define MPX_L2_ADDR_MASK 0xfffffffcUL
#define MPX_L2_VALID_MASK 0x00000001UL
#define REG_IP_IDX REG_EIP
#define REX_PREFIX
#define XSAVE_OFFSET_IN_FPMEM sizeof (struct _libc_fpstate)
#else /* __i386__ */
/* x86_64 directory size is 2GB. */
#define NUM_L1_BITS 28
#define NUM_L2_BITS 17
#define NUM_IGN_BITS 3
#define MPX_L1_ADDR_MASK 0xfffffffffffff000ULL
#define MPX_L2_ADDR_MASK 0xfffffffffffffff8ULL
#define MPX_L2_VALID_MASK 0x0000000000000001ULL
#define REG_IP_IDX REG_RIP
#define REX_PREFIX "0x48, "
#define XSAVE_OFFSET_IN_FPMEM 0
#endif /* !__i386__ */
#define MPX_L1_SIZE ((1UL << NUM_L1_BITS) * sizeof (void *))
/* Get address of bounds directory. */
void *
get_bd ();