+
−/*************************************************************************/
+
−/*                                                                       */
+
−/*        Copyright (c) 1993-1996 Accelerated Technology, Inc.           */
+
−/*                                                                       */
+
−/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
+
−/* subject matter of this material.  All manufacturing, reproduction,    */
+
−/* use, and sales rights pertaining to this subject matter are governed  */
+
−/* by the license agreement.  The recipient of this software implicitly  */
+
−/* accepts the terms of the license.                                     */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−
+
−/*************************************************************************/
+
−/*                                                                       */
+
−/* FILE NAME                                            VERSION          */
+
−/*                                                                       */
+
−/*      pm_defs.h                                       PLUS  1.2        */
+
−/*                                                                       */
+
−/* COMPONENT                                                             */
+
−/*                                                                       */
+
−/*      PM - Partition Memory Management                                 */
+
−/*                                                                       */
+
−/* DESCRIPTION                                                           */
+
−/*                                                                       */
+
−/*      This file contains data structure definitions and constants for  */
+
−/*      the Partition Memory component.                                  */
+
−/*                                                                       */
+
−/* AUTHOR                                                                */
+
−/*                                                                       */
+
−/*      William E. Lamie, Accelerated Technology, Inc.                   */
+
−/*                                                                       */
+
−/* DATA STRUCTURES                                                       */
+
−/*                                                                       */
+
−/*      PM_PCB                              Partition Pool control block */
+
−/*      PM_HEADER                           Header of each partition     */
+
−/*      PM_SUSPEND                          Partition suspension block   */
+
−/*                                                                       */
+
−/* FUNCTIONS                                                             */
+
−/*                                                                       */
+
−/*      None                                                             */
+
−/*                                                                       */
+
−/* DEPENDENCIES                                                          */
+
−/*                                                                       */
+
−/*      cs_defs.h                           Common service definitions   */
+
−/*      tc_defs.h                           Thread Control definitions   */
+
−/*                                                                       */
+
−/* HISTORY                                                               */
+
−/*                                                                       */
+
−/*         NAME            DATE                    REMARKS               */
+
−/*                                                                       */
+
−/*      W. Lamie        03-01-1993      Created initial version 1.0      */
+
−/*      D. Lamie        04-19-1993      Verified version 1.0             */
+
−/*      W. Lamie        03-01-1994      Moved include files outside of   */
+
−/*                                        the file #ifndef to allow the  */
+
−/*                                        use of actual data structures, */
+
−/*                                        removed protect structure,     */
+
−/*                                        added padding logic,           */
+
−/*                                        resulting in version 1.1       */
+
−/*      R. Pfaff -                                                       */
+
−/*      D. Lamie        03-18-1994      Verified version 1.1             */
+
−/*      M.Q. Qian       04-17-1996      updated to version 1.2           */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−
+
−#include        "cs_defs.h"                 /* Common service constants  */
+
−#include        "tc_defs.h"                 /* Thread control constants  */
+
−
+
−
+
−/* Check to see if the file has been included already.  */
+
−
+
−#ifndef PM_DEFS
+
−#define PM_DEFS
+
−
+
−
+
−/* Define constants local to this component.  */
+
−
+
−#define         PM_PARTITION_ID         0x50415254UL
+
−#define         PM_OVERHEAD            ((sizeof(PM_HEADER) + sizeof(UNSIGNED) \
+
−                                        - 1)/sizeof(UNSIGNED)) *    \
+
−                                        sizeof(UNSIGNED)
+
−
+
−
+
−/* Define the Partition Pool Control Block data type.  */
+
−
+
−typedef struct PM_PCB_STRUCT 
+
−{
+
−    CS_NODE             pm_created;            /* Node for linking to    */
+
−                                               /* created partition list */
+
−    UNSIGNED            pm_id;                 /* Internal PCB ID        */
+
−    CHAR                pm_name[NU_MAX_NAME];  /* Partition Pool name    */
+
−    VOID               *pm_start_address;      /* Starting pool address  */
+
−    UNSIGNED            pm_pool_size;          /* Size of pool           */
+
−    UNSIGNED            pm_partition_size;     /* Size of each partition */
+
−    UNSIGNED            pm_available;          /* Available partitions   */
+
−    UNSIGNED            pm_allocated;          /* Allocated partitions   */
+
−    struct PM_HEADER_STRUCT    
+
−                       *pm_available_list;     /* Available list         */
+
−    DATA_ELEMENT        pm_fifo_suspend;       /* Suspension type flag   */
+
−#if     PAD_1
+
−    DATA_ELEMENT        pm_padding[PAD_1];
+
−#endif 
+
−    UNSIGNED            pm_tasks_waiting;      /* Number of waiting tasks*/
+
−    struct PM_SUSPEND_STRUCT
+
−                       *pm_suspension_list;    /* Suspension list        */
+
−} PM_PCB;    
+
−
+
−
+
−/* Define the header structure that is in front of each memory partition.  */
+
−
+
−typedef struct PM_HEADER_STRUCT
+
−{
+
−    struct PM_HEADER_STRUCT
+
−                       *pm_next_available;     /* Next available memory  */
+
−                                               /*   partition            */
+
−    PM_PCB             *pm_partition_pool;     /* Partition pool pointer */
+
−} PM_HEADER;
+
−
+
−
+
−/* Define the partition suspension structure.  This structure is allocated 
+
−   off of the caller's stack.  */
+
−   
+
−typedef struct PM_SUSPEND_STRUCT
+
−{
+
−    CS_NODE             pm_suspend_link;       /* Link to suspend blocks */
+
−    PM_PCB             *pm_partition_pool;     /* Pointer to pool        */
+
−    TC_TCB             *pm_suspended_task;     /* Task suspended         */
+
−    VOID               *pm_return_pointer;     /* Return memory address  */
+
−    STATUS              pm_return_status;      /* Return status          */
+
−} PM_SUSPEND;
+
−
+
−#endif