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7a3a539b17
internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085 Signed-off-by: Eddie Dong <eddie.dong@intel.com>
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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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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* 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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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UTIL_H
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#define UTIL_H
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/** Add an offset (in bytes) to an (base)address.
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*
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* @param addr Baseaddress
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* @param off Offset
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* @return Returns baseaddress + offset in bytes.
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*/
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#define ADD_OFFSET(addr, off) (void *)(((uint8_t *)(addr))+(off))
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#define offsetof(st, m) __builtin_offsetof(st, m)
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/** Round an integer (x) up to a multiple of y */
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#define INT_ROUNDUP(x, y) (((x)+((y)-1))&-(y))
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/** Round an integer up to a multiple of 4 */
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#define INT_ROUNDUP4(x) INT_ROUNDUP(x, 4)
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/** Round an integer up to a multiple of 8 */
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#define INT_ROUNDUP8(x) INT_ROUNDUP(x, 8)
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/** Round an integer up to a multiple of 8 */
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#define INT_ROUNDUP16(x) INT_ROUNDUP(x, 16)
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/** Roundup (x/y) to ( x/y + (x%y) ? 1 : 0) **/
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#define INT_DIV_ROUNDUP(x, y) (((x)+(y)-1)/(y))
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#endif /* UTIL_H */
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