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/**
* @file
*
* @ingroup bsp_kit
*
* @brief Utility macros.
*/
/*
* Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBCPU_SHARED_UTILITY_H
#define LIBCPU_SHARED_UTILITY_H
#include <stdint.h>
#define BSP_BIT8(bit) \
((uint8_t) (((unsigned int) 1) << (bit)))
#define BSP_MSK8(first_bit, last_bit) \
((uint8_t) ((BSP_BIT8((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define BSP_FLD8(val, first_bit, last_bit) \
((uint8_t) \
((((unsigned int) (val)) << (first_bit)) & BSP_MSK8(first_bit, last_bit)))
#define BSP_FLD8GET(reg, first_bit, last_bit) \
((uint8_t) (((reg) & BSP_MSK8(first_bit, last_bit)) >> (first_bit)))
#define BSP_FLD8SET(reg, val, first_bit, last_bit) \
((uint8_t) (((reg) & ~BSP_MSK8(first_bit, last_bit)) \
| BSP_FLD8(val, first_bit, last_bit)))
#define BSP_BIT16(bit) \
((uint16_t) (((unsigned int) 1) << (bit)))
#define BSP_MSK16(first_bit, last_bit) \
((uint16_t) ((BSP_BIT16((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define BSP_FLD16(val, first_bit, last_bit) \
((uint16_t) \
((((unsigned int) (val)) << (first_bit)) & BSP_MSK16(first_bit, last_bit)))
#define BSP_FLD16GET(reg, first_bit, last_bit) \
((uint16_t) (((reg) & BSP_MSK16(first_bit, last_bit)) >> (first_bit)))
#define BSP_FLD16SET(reg, val, first_bit, last_bit) \
((uint16_t) (((reg) & ~BSP_MSK16(first_bit, last_bit)) \
| BSP_FLD16(val, first_bit, last_bit)))
#define BSP_BIT32(bit) \
((uint32_t) (((uint32_t) 1) << (bit)))
#define BSP_MSK32(first_bit, last_bit) \
((uint32_t) ((BSP_BIT32((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define BSP_FLD32(val, first_bit, last_bit) \
((uint32_t) \
((((uint32_t) (val)) << (first_bit)) & BSP_MSK32(first_bit, last_bit)))
#define BSP_FLD32GET(reg, first_bit, last_bit) \
((uint32_t) (((reg) & BSP_MSK32(first_bit, last_bit)) >> (first_bit)))
#define BSP_FLD32SET(reg, val, first_bit, last_bit) \
((uint32_t) (((reg) & ~BSP_MSK32(first_bit, last_bit)) \
| BSP_FLD32(val, first_bit, last_bit)))
#define BSP_BIT64(bit) \
((uint64_t) (((uint64_t) 1) << (bit)))
#define BSP_MSK64(first_bit, last_bit) \
((uint64_t) ((BSP_BIT64((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
#define BSP_FLD64(val, first_bit, last_bit) \
((uint64_t) \
((((uint64_t) (val)) << (first_bit)) & BSP_MSK64(first_bit, last_bit)))
#define BSP_FLD64GET(reg, first_bit, last_bit) \
((uint64_t) (((reg) & BSP_MSK64(first_bit, last_bit)) >> (first_bit)))
#define BSP_FLD64SET(reg, val, first_bit, last_bit) \
((uint64_t) (((reg) & ~BSP_MSK64(first_bit, last_bit)) \
| BSP_FLD64(val, first_bit, last_bit)))
#define BSP_BBIT8(bit) \
BSP_BIT8(7 - (bit))
#define BSP_BMSK8(first_bit, last_bit) \
BSP_MSK8(7 - (last_bit), 7 - (first_bit))
#define BSP_BFLD8(val, first_bit, last_bit) \
BSP_FLD8(val, 7 - (last_bit), 7 - (first_bit))
#define BSP_BFLD8GET(reg, first_bit, last_bit) \
BSP_FLD8GET(reg, 7 - (last_bit), 7 - (first_bit))
#define BSP_BFLD8SET(reg, val, first_bit, last_bit) \
BSP_FLD8SET(reg, val, 7 - (last_bit), 7 - (first_bit))
#define BSP_BBIT16(bit) \
BSP_BIT16(15 - (bit))
#define BSP_BMSK16(first_bit, last_bit) \
BSP_MSK16(15 - (last_bit), 15 - (first_bit))
#define BSP_BFLD16(val, first_bit, last_bit) \
BSP_FLD16(val, 15 - (last_bit), 15 - (first_bit))
#define BSP_BFLD16GET(reg, first_bit, last_bit) \
BSP_FLD16GET(reg, 15 - (last_bit), 15 - (first_bit))
#define BSP_BFLD16SET(reg, val, first_bit, last_bit) \
BSP_FLD16SET(reg, val, 15 - (last_bit), 15 - (first_bit))
#define BSP_BBIT32(bit) \
BSP_BIT32(31 - (bit))
#define BSP_BMSK32(first_bit, last_bit) \
BSP_MSK32(31 - (last_bit), 31 - (first_bit))
#define BSP_BFLD32(val, first_bit, last_bit) \
BSP_FLD32(val, 31 - (last_bit), 31 - (first_bit))
#define BSP_BFLD32GET(reg, first_bit, last_bit) \
BSP_FLD32GET(reg, 31 - (last_bit), 31 - (first_bit))
#define BSP_BFLD32SET(reg, val, first_bit, last_bit) \
BSP_FLD32SET(reg, val, 31 - (last_bit), 31 - (first_bit))
#define BSP_BBIT64(bit) \
BSP_BIT64(63 - (bit))
#define BSP_BMSK64(first_bit, last_bit) \
BSP_MSK64(63 - (last_bit), 63 - (first_bit))
#define BSP_BFLD64(val, first_bit, last_bit) \
BSP_FLD64(val, 63 - (last_bit), 63 - (first_bit))
#define BSP_BFLD64GET(reg, first_bit, last_bit) \
BSP_FLD64GET(reg, 63 - (last_bit), 63 - (first_bit))
#define BSP_BFLD64SET(reg, val, first_bit, last_bit) \
BSP_FLD64SET(reg, val, 63 - (last_bit), 63 - (first_bit))
#endif /* LIBCPU_SHARED_UTILITY_H */
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