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score: Define _Priority_Mask() once

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This commit is contained in:
Sebastian Huber
2016-06-08 15:48:03 +02:00
parent b04b76c6a0
commit bf021daf7c
1 changed files with 13 additions and 21 deletions
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cpukit/score/include/rtems/score/prioritybitmapimpl.h
+13 -21
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@@ -74,20 +74,24 @@ extern const unsigned char _Bitfield_Leading_zeros[256];
}
#endif
#if ( CPU_USE_GENERIC_BITFIELD_CODE == FALSE )
/**
* This method returns the priority bit mask for the specified major
* or minor bit number.
* @brief Returns the priority bit mask for the specified major or minor bit
* number.
*
* @param[in] _bit_number is the bit number for which we need a mask
* @param bit_number The bit number for which we need a mask.
*
* @retval the priority bit mask
*
* @note This may simply be a pass through to a CPU dependent implementation.
* @return The priority bit mask.
*/
#define _Priority_Mask( _bit_number ) \
_CPU_Priority_Mask( _bit_number )
RTEMS_INLINE_ROUTINE Priority_bit_map_Word _Priority_Mask(
unsigned int bit_number
)
{
#if ( CPU_USE_GENERIC_BITFIELD_CODE == FALSE )
return _CPU_Priority_Mask( bit_number );
#else
return (Priority_bit_map_Word) ( 0x8000u >> bit_number );
#endif
}
#if ( CPU_USE_GENERIC_BITFIELD_CODE == FALSE )
/**
@@ -123,18 +127,6 @@ RTEMS_INLINE_ROUTINE unsigned int _Priority_Minor( unsigned int the_priority )
#if ( CPU_USE_GENERIC_BITFIELD_CODE == TRUE )
/**
* This function returns the mask associated with the major or minor
* number passed to it.
*/
RTEMS_INLINE_ROUTINE Priority_bit_map_Word _Priority_Mask (
unsigned int bit_number
)
{
return (Priority_bit_map_Word)(0x8000u >> bit_number);
}
/**
* This function translates the bit numbers returned by the bit scan
* of a priority bit field into something suitable for use as