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Diffstat (limited to 'c/src/exec/score/inline/rtems/score/priority.inl')
| -rw-r--r-- | c/src/exec/score/inline/rtems/score/priority.inl | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/c/src/exec/score/inline/rtems/score/priority.inl b/c/src/exec/score/inline/rtems/score/priority.inl deleted file mode 100644 index d65056057b..0000000000 --- a/c/src/exec/score/inline/rtems/score/priority.inl +++ /dev/null @@ -1,247 +0,0 @@ -/* priority.inl - * - * This file contains the static inline implementation of all inlined - * routines in the Priority Handler. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef __PRIORITY_inl -#define __PRIORITY_inl - -#include <rtems/score/bitfield.h> - -/*PAGE - * - * _Priority_Handler_initialization - * - * DESCRIPTION: - * - * This routine performs the initialization necessary for this handler. - */ - -STATIC INLINE void _Priority_Handler_initialization( void ) -{ - unsigned32 index; - - _Priority_Major_bit_map = 0; - for ( index=0 ; index <16 ; index++ ) - _Priority_Bit_map[ index ] = 0; -} - -/*PAGE - * - * _Priority_Is_valid - * - * DESCRIPTION: - * - * This function returns TRUE if the_priority if valid for a - * user task, and FALSE otherwise. - */ - -STATIC INLINE boolean _Priority_Is_valid ( - Priority_Control the_priority -) -{ - /* - * Since PRIORITY_MINIMUM is 0 and priorities are stored unsigned, - * then checking for less than 0 is unnecessary. - */ - - return ( the_priority <= PRIORITY_MAXIMUM ); -} - -/*PAGE - * - * _Priority_Major - * - * DESCRIPTION: - * - * This function returns the major portion of the_priority. - */ - -STATIC INLINE unsigned32 _Priority_Major ( - Priority_Control the_priority -) -{ - return ( the_priority / 16 ); -} - -/*PAGE - * - * _Priority_Minor - * - * DESCRIPTION: - * - * This function returns the minor portion of the_priority. - */ - -STATIC INLINE unsigned32 _Priority_Minor ( - Priority_Control the_priority -) -{ - return ( the_priority % 16 ); -} - -#if ( CPU_USE_GENERIC_BITFIELD_CODE == TRUE ) - -/*PAGE - * - * _Priority_Mask - * - * DESCRIPTION: - * - * This function returns the mask associated with the major or minor - * number passed to it. - */ - -STATIC INLINE unsigned32 _Priority_Mask ( - unsigned32 bit_number -) -{ - return (0x8000 >> bit_number); -} - - -/*PAGE - * - * _Priority_Bits_index - * - * DESCRIPTION: - * - * This function translates the bit numbers returned by the bit scan - * of a priority bit field into something suitable for use as - * a major or minor component of a priority. - */ - -STATIC INLINE unsigned32 _Priority_Bits_index ( - unsigned32 bit_number -) -{ - return bit_number; -} - -#endif - -/*PAGE - * - * _Priority_Add_to_bit_map - * - * DESCRIPTION: - * - * This routine uses the_priority_map to update the priority - * bit maps to indicate that a thread has been readied. - */ - -STATIC INLINE void _Priority_Add_to_bit_map ( - Priority_Information *the_priority_map -) -{ - *the_priority_map->minor |= the_priority_map->ready_minor; - _Priority_Major_bit_map |= the_priority_map->ready_major; -} - -/*PAGE - * - * _Priority_Remove_from_bit_map - * - * DESCRIPTION: - * - * This routine uses the_priority_map to update the priority - * bit maps to indicate that a thread has been removed from the - * ready state. - */ - -STATIC INLINE void _Priority_Remove_from_bit_map ( - Priority_Information *the_priority_map -) -{ - *the_priority_map->minor &= the_priority_map->block_minor; - if ( *the_priority_map->minor == 0 ) - _Priority_Major_bit_map &= the_priority_map->block_major; -} - -/*PAGE - * - * _Priority_Get_highest - * - * DESCRIPTION: - * - * This function returns the priority of the highest priority - * ready thread. - */ - -STATIC INLINE Priority_Control _Priority_Get_highest( void ) -{ - Priority_Bit_map_control minor; - Priority_Bit_map_control major; - - _Bitfield_Find_first_bit( _Priority_Major_bit_map, major ); - _Bitfield_Find_first_bit( _Priority_Bit_map[major], minor ); - - return (_Priority_Bits_index( major ) << 4) + - _Priority_Bits_index( minor ); -} - -/*PAGE - * - * _Priority_Initialize_information - * - * DESCRIPTION: - * - * This routine initializes the_priority_map so that it - * contains the information necessary to manage a thread - * at new_priority. - */ - -STATIC INLINE void _Priority_Initialize_information( - Priority_Information *the_priority_map, - Priority_Control new_priority -) -{ - Priority_Bit_map_control major; - Priority_Bit_map_control minor; - Priority_Bit_map_control mask; - - major = _Priority_Major( new_priority ); - minor = _Priority_Minor( new_priority ); - - the_priority_map->minor = - &_Priority_Bit_map[ _Priority_Bits_index(major) ]; - - mask = _Priority_Mask( major ); - the_priority_map->ready_major = mask; - the_priority_map->block_major = ~mask; - - mask = _Priority_Mask( minor ); - the_priority_map->ready_minor = mask; - the_priority_map->block_minor = ~mask; -} - -/*PAGE - * - * _Priority_Is_group_empty - * - * DESCRIPTION: - * - * This function returns TRUE if the priority GROUP is empty, and - * FALSE otherwise. - */ - -STATIC INLINE boolean _Priority_Is_group_empty ( - Priority_Control the_priority -) -{ - return the_priority == 0; -} - -#endif -/* end of include file */ |