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2010-05-20 Sebastian Huber <sebastian.huber@embedded-brains.de>

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* include/utility.h: Removed superfluous macros.
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Sebastian Huber
2010-05-20 14:19:58 +00:00
parent f780417e5d
commit ef6f1d0c43
2 changed files with 24 additions and 44 deletions
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4
c/src/lib/libbsp/shared/ChangeLog
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@@ -1,3 +1,7 @@
2010-05-20 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/utility.h: Removed superfluous macros.
2010-05-20 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/uart-output-char.h, src/uart-output-char.c: New files.

64
c/src/lib/libbsp/shared/include/utility.h
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@@ -1,66 +1,42 @@
/**
* @file
*
* @brief Utility definitions and functions.
* @ingroup bsp_kit
*
* @brief Utility macros.
*/
/*
* Copyright (c) 2008
* Embedded Brains GmbH
* Copyright (c) 2008, 2010
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
* <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.com/license/LICENSE.
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBCPU_SHARED_UTILITY_H
#define LIBCPU_SHARED_UTILITY_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stdint.h>
#define GET_FIELD( val, mask, shift) \
(((val) & (mask)) >> (shift))
#define BIT32(bit) \
((uint32_t) 1 << (bit))
#define SET_FIELD( val, field, mask, shift) \
(((val) & ~(mask)) | (((field) << (shift)) & (mask)))
#define MASK32(shift, length) \
((BIT32(length) - (uint32_t) 1) << (shift))
#define CLEAR_FIELD( val, mask) \
((val) & ~(mask))
#define FIELD32(val, shift, length) \
(((uint32_t) (val) << (shift)) & MASK32(shift, length))
#define IS_FLAG_SET( val, flag) \
(((val) & (flag)) != 0)
#define GETFIELD32(reg, shift, length) \
(((uint32_t) (reg) & MASK32(shift, length)) >> (shift))
#define IS_FLAG_CLEARED( val, flag) \
(((val) & (flag)) == 0)
#define ARE_FLAGS_SET( val, flags) \
(((val) & (flags)) == (flags))
#define IS_ANY_FLAG_SET( val, flags) \
(((val) & (flags)) != 0)
#define ARE_FLAGS_CLEARED( val, flags) \
(((val) & (flags)) == 0)
#define SET_FLAG( val, flag) \
((val) | (flag))
#define CLEAR_FLAG( val, flag) \
((val) & ~(flag))
#define SET_FLAGS( val, flags) \
((val) | (flags))
#define CLEAR_FLAGS( val, flags) \
((val) & ~(flags))
#ifdef __cplusplus
}
#endif /* __cplusplus */
#define SETFIELD32(reg, val, shift, length) \
(((uint32_t) (reg) & ~MASK32(shift, length)) | FIELD(val, shift, length))
#endif /* LIBCPU_SHARED_UTILITY_H */