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

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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-1:000000000000 0:92470e5d0b9e
1 /*************************************************************************/
2 /* */
3 /* Copyright Mentor Graphics Corporation 2002 */
4 /* All Rights Reserved. */
5 /* */
6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
8 /* SUBJECT TO LICENSE TERMS. */
9 /* */
10 /*************************************************************************/
11
12 /*************************************************************************/
13 /* */
14 /* FILE NAME VERSION */
15 /* */
16 /* pm_defs.h Nucleus PLUS 1.14 */
17 /* */
18 /* COMPONENT */
19 /* */
20 /* PM - Partition Memory Management */
21 /* */
22 /* DESCRIPTION */
23 /* */
24 /* This file contains data structure definitions and constants for */
25 /* the Partition Memory component. */
26 /* */
27 /* DATA STRUCTURES */
28 /* */
29 /* PM_PCB Partition Pool control block */
30 /* PM_HEADER Header of each partition */
31 /* PM_SUSPEND Partition suspension block */
32 /* */
33 /* FUNCTIONS */
34 /* */
35 /* None */
36 /* */
37 /* DEPENDENCIES */
38 /* */
39 /* cs_defs.h Common service definitions */
40 /* tc_defs.h Thread Control definitions */
41 /* */
42 /* HISTORY */
43 /* */
44 /* DATE REMARKS */
45 /* */
46 /* 03-01-1993 Created initial version 1.0 */
47 /* 04-19-1993 Verified version 1.0 */
48 /* 03-01-1994 Moved include files outside of */
49 /* the file #ifndef to allow the */
50 /* use of actual data structures, */
51 /* removed protect structure, */
52 /* added padding logic, */
53 /* resulting in version 1.1 */
54 /* */
55 /* 03-18-1994 Verified version 1.1 */
56 /* 04-17-1996 updated to version 1.2 */
57 /* 03-24-1998 Released version 1.3 */
58 /* 03-26-1999 Released 1.11m (new release */
59 /* numbering scheme) */
60 /* 04-17-2002 Released version 1.13m */
61 /* 11-07-2002 Released version 1.14 */
62 /*************************************************************************/
63
64 #include "cs_defs.h" /* Common service constants */
65 #include "tc_defs.h" /* Thread control constants */
66
67
68 /* Check to see if the file has been included already. */
69
70 #ifndef PM_DEFS
71 #define PM_DEFS
72
73
74 /* Define constants local to this component. */
75
76 #define PM_PARTITION_ID 0x50415254UL
77 #define PM_OVERHEAD ((sizeof(PM_HEADER) + sizeof(UNSIGNED) \
78 - 1)/sizeof(UNSIGNED)) * \
79 sizeof(UNSIGNED)
80
81
82 /* Define the Partition Pool Control Block data type. */
83
84 typedef struct PM_PCB_STRUCT
85 {
86 CS_NODE pm_created; /* Node for linking to */
87 /* created partition list */
88 UNSIGNED pm_id; /* Internal PCB ID */
89 CHAR pm_name[NU_MAX_NAME]; /* Partition Pool name */
90 VOID *pm_start_address; /* Starting pool address */
91 UNSIGNED pm_pool_size; /* Size of pool */
92 UNSIGNED pm_partition_size; /* Size of each partition */
93 UNSIGNED pm_available; /* Available partitions */
94 UNSIGNED pm_allocated; /* Allocated partitions */
95 struct PM_HEADER_STRUCT
96 *pm_available_list; /* Available list */
97 BOOLEAN pm_fifo_suspend; /* Suspension type flag */
98 #if PAD_1
99 DATA_ELEMENT pm_padding[PAD_1];
100 #endif
101 UNSIGNED pm_tasks_waiting; /* Number of waiting tasks*/
102 struct PM_SUSPEND_STRUCT
103 *pm_suspension_list; /* Suspension list */
104 } PM_PCB;
105
106
107 /* Define the header structure that is in front of each memory partition. */
108
109 typedef struct PM_HEADER_STRUCT
110 {
111 struct PM_HEADER_STRUCT
112 *pm_next_available; /* Next available memory */
113 /* partition */
114 PM_PCB *pm_partition_pool; /* Partition pool pointer */
115 } PM_HEADER;
116
117
118 /* Define the partition suspension structure. This structure is allocated
119 off of the caller's stack. */
120
121 typedef struct PM_SUSPEND_STRUCT
122 {
123 CS_NODE pm_suspend_link; /* Link to suspend blocks */
124 PM_PCB *pm_partition_pool; /* Pointer to pool */
125 TC_TCB *pm_suspended_task; /* Task suspended */
126 VOID *pm_return_pointer; /* Return memory address */
127 STATUS pm_return_status; /* Return status */
128 } PM_SUSPEND;
129
130 #endif
131
132
133
134