mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 08:59:33 +00:00
266 lines
11 KiB
C
266 lines
11 KiB
C
/**
|
|
* ============================================================================
|
|
* = COPYRIGHT
|
|
*
|
|
* @par
|
|
* IXP400 SW Release version 2.0
|
|
*
|
|
* -- Copyright Notice --
|
|
*
|
|
* @par
|
|
* Copyright 2001-2005, Intel Corporation.
|
|
* All rights reserved.
|
|
*
|
|
* @par
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name of the 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.
|
|
*
|
|
* @par
|
|
* 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 OWNER 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.
|
|
*
|
|
* @par
|
|
* -- End of Copyright Notice --
|
|
* = PRODUCT
|
|
* Intel(r) IXP425 Software Release
|
|
*
|
|
* = FILENAME
|
|
* ix_macros.h
|
|
*
|
|
* = DESCRIPTION
|
|
* This file will define the basic preprocessor macros that are going to be used
|
|
* the IXA SDK Framework API.
|
|
*
|
|
* = AUTHOR
|
|
* Intel Corporation
|
|
*
|
|
* = CHANGE HISTORY
|
|
* 4/22/2002 4:41:05 PM - creation time
|
|
* ============================================================================
|
|
*/
|
|
|
|
#if !defined(__IX_MACROS_H__)
|
|
#define __IX_MACROS_H__
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C"
|
|
{
|
|
#endif /* end defined(__cplusplus) */
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_BIT_FIELD_MASK16
|
|
*
|
|
* DESCRIPTION: Builds the mask required to extract the bit field from a 16 bit unsigned integer value.
|
|
*
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns a 16 bit mask that will extract the bit field from a 16 bit unsigned integer value.
|
|
*/
|
|
#define IX_BIT_FIELD_MASK16( \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
((ix_bit_mask16)((((ix_uint16)1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - \
|
|
(ix_uint16)1) << arg_FieldLSBBit))
|
|
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_GET_BIT_FIELD16
|
|
*
|
|
* DESCRIPTION: Extracts a bit field from 16 bit unsigned integer. The returned value is normalized in
|
|
* in the sense that will be right aligned.
|
|
*
|
|
* @Param: - IN arg_PackedData16 a 16 bit unsigned integer that contains the bit field of interest.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns the value of the bit field. The value can be from 0 to (1 << (arg_FieldMSBBit + 1 -
|
|
* arg_FieldLSBBit)) - 1.
|
|
*/
|
|
#define IX_GET_BIT_FIELD16( \
|
|
arg_PackedData16, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(((ix_uint16)(arg_PackedData16) & IX_BIT_FIELD_MASK16(arg_FieldLSBBit, arg_FieldMSBBit)) >> \
|
|
arg_FieldLSBBit)
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_MAKE_BIT_FIELD16
|
|
*
|
|
* DESCRIPTION: This macro will create a temporary 16 bit value with the bit field
|
|
* desired set to the desired value.
|
|
*
|
|
* @Param: - IN arg_BitFieldValue is the new value of the bit field. The value can be from 0 to
|
|
* (1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - 1.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns a temporary ix_uint16 value that has the bit field set to the appropriate value.
|
|
*/
|
|
#define IX_MAKE_BIT_FIELD16( \
|
|
arg_BitFieldValue, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(((ix_uint16)(arg_BitFieldValue) << arg_FieldLSBBit) & \
|
|
IX_BIT_FIELD_MASK16(arg_FieldLSBBit, arg_FieldMSBBit))
|
|
|
|
/**
|
|
* MACRO NAME: IX_SET_BIT_FIELD16
|
|
*
|
|
* DESCRIPTION: Sets a new value for a bit field from a 16 bit unsigned integer.
|
|
*
|
|
* @Param: - IN arg_PackedData16 a 16 bit unsigned integer that contains the bit field of interest.
|
|
* @Param: - IN arg_BitFieldValue is the new vale of the bit field. The value can be from 0 to
|
|
* (1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - 1.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns the updated value of arg_PackedData16.
|
|
*/
|
|
#define IX_SET_BIT_FIELD16( \
|
|
arg_PackedData16, \
|
|
arg_BitFieldValue, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(arg_PackedData16 = (((ix_uint16)(arg_PackedData16) & \
|
|
~(IX_BIT_FIELD_MASK16(arg_FieldLSBBit, arg_FieldMSBBit))) | \
|
|
IX_MAKE_BIT_FIELD16(arg_BitFieldValue, arg_FieldLSBBit, arg_FieldMSBBit)))
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_BIT_FIELD_MASK32
|
|
*
|
|
* DESCRIPTION: Builds the mask required to extract the bit field from a 32 bit unsigned integer value.
|
|
*
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns a 32 bit mask that will extract the bit field from a 32 bit unsigned integer value.
|
|
*/
|
|
#define IX_BIT_FIELD_MASK32( \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
((ix_bit_mask32)((((ix_uint32)1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - \
|
|
(ix_uint32)1) << arg_FieldLSBBit))
|
|
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_GET_BIT_FIELD32
|
|
*
|
|
* DESCRIPTION: Extracts a bit field from 32 bit unsigned integer. The returned value is normalized in
|
|
* in the sense that will be right aligned.
|
|
*
|
|
* @Param: - IN arg_PackedData32 a 32 bit unsigned integer that contains the bit field of interest.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns the value of the bit field. The value can be from 0 to (1 << (arg_FieldMSBBit + 1 -
|
|
* arg_FieldLSBBit)) - 1.
|
|
*/
|
|
#define IX_GET_BIT_FIELD32( \
|
|
arg_PackedData32, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(((ix_uint32)(arg_PackedData32) & IX_BIT_FIELD_MASK32(arg_FieldLSBBit, arg_FieldMSBBit)) >> \
|
|
arg_FieldLSBBit)
|
|
|
|
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_MAKE_BIT_FIELD32
|
|
*
|
|
* DESCRIPTION: This macro will create a temporary 32 bit value with the bit field
|
|
* desired set to the desired value.
|
|
*
|
|
* @Param: - IN arg_BitFieldValue is the new value of the bit field. The value can be from 0 to
|
|
* (1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - 1.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns a temporary ix_uint32 value that has the bit field set to the appropriate value.
|
|
*/
|
|
#define IX_MAKE_BIT_FIELD32( \
|
|
arg_BitFieldValue, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(((ix_uint32)(arg_BitFieldValue) << arg_FieldLSBBit) & \
|
|
IX_BIT_FIELD_MASK32(arg_FieldLSBBit, arg_FieldMSBBit))
|
|
|
|
|
|
/**
|
|
* MACRO NAME: IX_SET_BIT_FIELD32
|
|
*
|
|
* DESCRIPTION: Sets a new value for a bit field from a 32 bit unsigned integer.
|
|
*
|
|
* @Param: - IN arg_PackedData32 a 32 bit unsigned integer that contains the bit field of interest.
|
|
* @Param: - IN arg_BitFieldValue is the new value of the bit field. The value can be from 0 to
|
|
* (1 << (arg_FieldMSBBit + 1 - arg_FieldLSBBit)) - 1.
|
|
* @Param: - IN arg_FieldLSBBit an unsigned integer value representing the position of the least significant
|
|
* bit of the bit field.
|
|
* @Param: - IN arg_FieldMSBBit an unsigned integer value representing the position of the most significant
|
|
* bit of the bit field.
|
|
*
|
|
* @Return: Returns the updated value of arg_PackedData32.
|
|
*/
|
|
#define IX_SET_BIT_FIELD32( \
|
|
arg_PackedData32, \
|
|
arg_BitFieldValue, \
|
|
arg_FieldLSBBit, \
|
|
arg_FieldMSBBit \
|
|
) \
|
|
(arg_PackedData32 = (((ix_uint32)(arg_PackedData32) & \
|
|
~(IX_BIT_FIELD_MASK32(arg_FieldLSBBit, arg_FieldMSBBit))) | \
|
|
IX_MAKE_BIT_FIELD32(arg_BitFieldValue, arg_FieldLSBBit, arg_FieldMSBBit)))
|
|
|
|
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif /* end defined(__cplusplus) */
|
|
|
|
#endif /* end !defined(__IX_MACROS_H__) */
|