diff src/nucleus/pm_defs.h @ 0:92470e5d0b9e

src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nucleus/pm_defs.h	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,134 @@
+/*************************************************************************/
+/*                                                                       */
+/*               Copyright Mentor Graphics Corporation 2002              */
+/*                         All Rights Reserved.                          */
+/*                                                                       */
+/* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS  */
+/* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS   */
+/* SUBJECT TO LICENSE TERMS.                                             */
+/*                                                                       */
+/*************************************************************************/
+
+/*************************************************************************/
+/*                                                                       */
+/* FILE NAME                                               VERSION       */
+/*                                                                       */
+/*      pm_defs.h                                      Nucleus PLUS 1.14 */
+/*                                                                       */
+/* COMPONENT                                                             */
+/*                                                                       */
+/*      PM - Partition Memory Management                                 */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This file contains data structure definitions and constants for  */
+/*      the Partition Memory component.                                  */
+/*                                                                       */
+/* 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                                                               */
+/*                                                                       */
+/*         DATE                    REMARKS                               */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      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                         */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*      04-17-1996      updated to version 1.2                           */
+/*      03-24-1998      Released version 1.3                             */
+/*      03-26-1999      Released 1.11m (new release                      */
+/*                        numbering scheme)                              */
+/*      04-17-2002      Released version 1.13m                           */
+/*      11-07-2002      Released version 1.14                            */
+/*************************************************************************/
+
+#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         */
+    BOOLEAN             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
+
+
+
+