support.h

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/* COPYRIGHT (c) 1989-2008.
 * On-Line Applications Research Corporation (OAR).
 *
 * 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 _RTEMS_RTEMS_SUPPORT_H
#define _RTEMS_RTEMS_SUPPORT_H

#include <rtems/rtems/types.h>
#include <rtems/config.h>

#ifdef __cplusplus
extern "C" {
#endif

#define RTEMS_MILLISECONDS_TO_MICROSECONDS(_ms) ((uint32_t)(_ms) * 1000UL)

#define RTEMS_MILLISECONDS_TO_TICKS(_ms) \
       (RTEMS_MILLISECONDS_TO_MICROSECONDS(_ms) / \
          rtems_configuration_get_microseconds_per_tick())

#define RTEMS_MICROSECONDS_TO_TICKS(_us) \
       ((_us) / rtems_configuration_get_microseconds_per_tick())

RTEMS_INLINE_ROUTINE bool rtems_is_name_valid (
  rtems_name name
)
{
  return ( name != 0 );
}

RTEMS_INLINE_ROUTINE void rtems_name_to_characters(
  rtems_name    name,
  char         *c1,
  char         *c2,
  char         *c3,
  char         *c4
)
{
  *c1 = (char) ((name >> 24) & 0xff);
  *c2 = (char) ((name >> 16) & 0xff);
  *c3 = (char) ((name >> 8) & 0xff);
  *c4 = (char) ( name & 0xff);
}

bool rtems_workspace_get_information(
  Heap_Information_block  *the_info
);

bool rtems_workspace_allocate(
  size_t   bytes,
  void   **pointer
);

bool rtems_workspace_free(
  void *pointer
);

void *rtems_workspace_greedy_allocate(
  const uintptr_t *block_sizes,
  size_t block_count
);

void *rtems_workspace_greedy_allocate_all_except_largest(
  uintptr_t *allocatable_size
);

void rtems_workspace_greedy_free( void *opaque );

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */