diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_cc310/include/ssi_bitops.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_cc310/include/ssi_bitops.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_cc310/include/ssi_bitops.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_cc310/include/ssi_bitops.h new file mode 100644 index 0000000..56c85ee --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/nrf_cc310/include/ssi_bitops.h @@ -0,0 +1,81 @@ +/************************************************************************************** +* Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved * +* * +* This file and the related binary are licensed under the following license: * +* * +* ARM Object Code and Header Files License, v1.0 Redistribution. * +* * +* Redistribution and use of object code, header files, and documentation, without * +* modification, are permitted provided that the following conditions are met: * +* * +* 1) Redistributions must reproduce the above copyright notice and the * +* following disclaimer in the documentation and/or other materials * +* provided with the distribution. * +* * +* 2) Unless to the extent explicitly permitted by law, no reverse * +* engineering, decompilation, or disassembly of is permitted. * +* * +* 3) Redistribution and use is permitted solely for the purpose of * +* developing or executing applications that are targeted for use * +* on an ARM-based product. * +* * +* DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * +* CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT * +* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, * +* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * +* COPYRIGHT HOLDERS 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. * +**************************************************************************************/ + + +/*! + * \file ssi_bitops.h + * Bit fields operations macros. + */ +#ifndef _SSI_BITOPS_H_ +#define _SSI_BITOPS_H_ + +#define BITMASK(mask_size) (((mask_size) < 32) ? \ + ((1UL << (mask_size)) - 1) : 0xFFFFFFFFUL) +#define BITMASK_AT(mask_size, mask_offset) (BITMASK(mask_size) << (mask_offset)) + +#define BITFIELD_GET(word, bit_offset, bit_size) \ + (((word) >> (bit_offset)) & BITMASK(bit_size)) +#define BITFIELD_SET(word, bit_offset, bit_size, new_val) do { \ + word = ((word) & ~BITMASK_AT(bit_size, bit_offset)) | \ + (((new_val) & BITMASK(bit_size)) << (bit_offset)); \ +} while (0) + +/* Is val aligned to "align" ("align" must be power of 2) */ +#ifndef IS_ALIGNED +#define IS_ALIGNED(val, align) \ + (((uint32_t)(val) & ((align) - 1)) == 0) +#endif + +#define SWAP_ENDIAN(word) \ + (((word) >> 24) | (((word) & 0x00FF0000) >> 8) | \ + (((word) & 0x0000FF00) << 8) | (((word) & 0x000000FF) << 24)) + +#ifdef BIG__ENDIAN +#define SWAP_TO_LE(word) SWAP_ENDIAN(word) +#define SWAP_TO_BE(word) word +#else +#define SWAP_TO_LE(word) word +#define SWAP_TO_BE(word) SWAP_ENDIAN(word) +#endif + + + +/* Is val a multiple of "mult" ("mult" must be power of 2) */ +#define IS_MULT(val, mult) \ + (((val) & ((mult) - 1)) == 0) + +#define IS_NULL_ADDR(adr) \ + (!(adr)) + +#endif /*_SSI_BITOPS_H_*/ |