diff src/gpf/inc/nuc/old/dm_defs.h @ 0:4e78acac3d88

src/{condat,cs,gpf,nucleus}: import from Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:23:26 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gpf/inc/nuc/old/dm_defs.h	Fri Oct 16 06:23:26 2020 +0000
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+/*************************************************************************/
+/*                                                                       */
+/*        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          */
+/*                                                                       */
+/*      dm_defs.h                                       PLUS  1.2a       */
+/*                                                                       */
+/* COMPONENT                                                             */
+/*                                                                       */
+/*      DM - Dynamic Memory Management                                   */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This file contains data structure definitions and constants for  */
+/*      the Dynamic Memory component.                                    */
+/*                                                                       */
+/* AUTHOR                                                                */
+/*                                                                       */
+/*      William E. Lamie, Accelerated Technology, Inc.                   */
+/*                                                                       */
+/* DATA STRUCTURES                                                       */
+/*                                                                       */
+/*      DM_PCB                              Dynamic Pool control block   */
+/*      DM_HEADER                           Header of each memory block  */
+/*      DM_SUSPEND                          Memory 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, */
+/*                                        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           */
+/*      M. Trippi       01-07-1996      Added missing PAD_1 field to     */
+/*                                        DM_HEADER_STRUCT to be         */
+/*                                        consistent with other PLUS     */
+/*                                        structures creating 1.2a.      */
+/*                                                                       */
+/*************************************************************************/
+
+#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 DM_DEFS
+#define DM_DEFS
+
+
+/* Define constants local to this component.  */
+
+#define         DM_DYNAMIC_ID          0x44594e41UL
+#define         DM_OVERHEAD            ((sizeof(DM_HEADER) + sizeof(UNSIGNED) \
+                                        - 1)/sizeof(UNSIGNED)) *    \
+                                        sizeof(UNSIGNED)
+
+
+/* Define the Dynamic Pool Control Block data type.  */
+
+typedef struct DM_PCB_STRUCT 
+{
+    CS_NODE             dm_created;            /* Node for linking to    */
+                                               /* created dynamic pools  */
+    TC_PROTECT          dm_protect;            /* Protection structure   */
+    UNSIGNED            dm_id;                 /* Internal PCB ID        */
+    CHAR                dm_name[NU_MAX_NAME];  /* Dynamic Pool name      */
+    VOID               *dm_start_address;      /* Starting pool address  */
+    UNSIGNED            dm_pool_size;          /* Size of pool           */
+    UNSIGNED            dm_min_allocation;     /* Minimum allocate size  */
+    UNSIGNED            dm_available;          /* Total available bytes  */
+    struct DM_HEADER_STRUCT    
+                       *dm_memory_list;        /* Memory list            */
+    struct DM_HEADER_STRUCT
+                       *dm_search_ptr;         /* Search pointer         */
+    DATA_ELEMENT        dm_fifo_suspend;       /* Suspension type flag   */
+#if     PAD_1
+    DATA_ELEMENT        dm_padding[PAD_1];
+#endif 
+    UNSIGNED            dm_tasks_waiting;      /* Number of waiting tasks*/
+    struct DM_SUSPEND_STRUCT
+                       *dm_suspension_list;    /* Suspension list        */
+} DM_PCB;    
+
+
+/* Define the header structure that is in front of each memory block.  */
+
+typedef struct DM_HEADER_STRUCT
+{
+    struct DM_HEADER_STRUCT
+                       *dm_next_memory,        /* Next memory block      */
+                       *dm_previous_memory;    /* Previous memory block  */
+    DATA_ELEMENT        dm_memory_free;        /* Memory block free flag */
+#if     PAD_1
+    DATA_ELEMENT        dm_padding[PAD_1];
+#endif 
+    DM_PCB             *dm_memory_pool;        /* Dynamic pool pointer   */
+} DM_HEADER;
+
+
+/* Define the dynamic memory suspension structure.  This structure is 
+   allocated off of the caller's stack.  */
+   
+typedef struct DM_SUSPEND_STRUCT
+{
+    CS_NODE             dm_suspend_link;       /* Link to suspend blocks */
+    DM_PCB             *dm_memory_pool;        /* Pointer to pool        */
+    UNSIGNED            dm_request_size;       /* Size of memory request */
+    TC_TCB             *dm_suspended_task;     /* Task suspended         */
+    VOID               *dm_return_pointer;     /* Return memory address  */
+    STATUS              dm_return_status;      /* Return status          */
+} DM_SUSPEND;
+
+#endif