FreeCalypso > hg > fc-magnetite

annotate src/ui3/bmi/mmiBlkResources.c @ 576:3cb2ce6e996a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
scripts/src-version.sh: implemented wrapper around hg id
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 Jan 2019 22:20:26 +0000
parents 6a4d9f47793e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
420
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 CONDAT (UK)
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 ********************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 This software product is the property of Condat (UK) Ltd and may not be
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 disclosed to any third party without the express permission of the owner.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 ********************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 $Project name: Basic MMI
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 $Project code: BMI (6349)
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 $Module: PhoneBook
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 $File: MmiBlkResources.c
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 $Revision: 1.0
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 $Author: Condat(UK)
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 $Date: 25/10/00
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 ********************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 Description:
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 This modules provides, in conjunction with the MmiBlkManager module,
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 the resource management facilities for the MMI.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 ********************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 $History: MmiBlkResources.c
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 25/10/00 Original Condat(UK) BMI version.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 $End
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 Include Files
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 #define ENTITY_MFW
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 /* includes */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 #include <string.h>
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 #include <stdio.h>
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 #include <stdlib.h>
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 #if defined (NEW_FRAME)
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 #include "typedefs.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 #include "vsi.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 #include "pei.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 #include "custom.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 #include "gsm.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 #else
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 #include "STDDEFS.H"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 #include "custom.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 #include "gsm.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 #include "vsi.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 #endif
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 // #include <malloc.h>
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 #include "MmiBlkResources.h"
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 Local Structures
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 /* Define the control structures used to implement the block resource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 manager
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 #define RESOURCE_MANAGER_KEY 0x00BABE02L
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 #define RESOURCE_SEARCH_LIMIT 4
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 typedef struct _tBlkEntry_
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 tBlkId BlkId;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 tBlkHandle BlkHandle;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 } tBlkEntry, *pBlkEntry;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 typedef struct _tBlkControl_
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 long int BlkKey;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 tBlkHandle BlkBase;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 int BlkLength;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 pBlkEntry BlkStartPtr;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 tBlkHandle BlkMinAddress;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 tBlkHandle BlkMaxAddress;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 } tBlkControl, *pBlkControl;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 Private Routines
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 $Function: ValidBlockResource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 $Description: Verifies that the resource indicated by the handle is a valid
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 resource.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 $Returns: 0 If invalid, non-zero if valid.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 $Arguments: BlkRsrc, handle of resource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 static int ValidBlockResource( tBlkHandle BlkRsrc )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 pBlkControl BlkControl = (pBlkControl) BlkRsrc;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 /* Check for non-NULL handle
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 if ( BlkControl == NULL )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 return 0;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 /* Check key has been set up correctly
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 return ( BlkControl->BlkKey == RESOURCE_MANAGER_KEY );
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 Public Routines
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 $Function: mmibr_Initialise
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 $Description:
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 The initialisation routine must be called as part of the startup
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 phase of the system, it will allocate working space for the block
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 handler if required, and will initialise any structures required
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 to maintain the corect operation of the functions. This routine
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 must be called prior to invocation of any other block resource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 function
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 $Returns: Handle to a resource block, NULL if unsuccessful
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 $Arguments: BlkBase, Base address of the block of data relating
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 to the resource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 NumEntries, number of entries associated with the resource
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 tBlkHandle mmibr_Initialise( tBlkHandle BlkBase, int NumEntries )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 pBlkControl Blk;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 int i;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 /* As part of the initialisation process, we need to allocate a
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 block of memory in which to store the control information
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 associated with this block resource manager
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 if ( ( Blk = (pBlkControl) ALLOC_MEMORY( sizeof(tBlkControl) ) ) != NULL )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 /* Store the things we know straight off
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 Blk->BlkKey = RESOURCE_MANAGER_KEY;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 Blk->BlkBase = BlkBase;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 Blk->BlkLength = NumEntries;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 Blk->BlkStartPtr = (pBlkEntry) BlkBase;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /* In order to detect memory allocations, we scan the list
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 of known entries, storing the maximum and minimum addresses
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 in the list. This scan allows us to detect when allocated
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 memory is being returned, since the address will be outside
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 the contiguous memory block we are managing.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 Blk->BlkMinAddress = Blk->BlkMaxAddress = BlkBase;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 for ( i = 0; i < NumEntries; i++ )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 if ( Blk->BlkMaxAddress < Blk->BlkStartPtr[i].BlkHandle )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 Blk->BlkMaxAddress = Blk->BlkStartPtr[i].BlkHandle;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return Blk;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 $Function: mmibr_ShutDown
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 $Description:
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 The shutdown function can be called to free any allocations set up
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 by the Initialise routine. In a running system this is unlikely to
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 be called unless a catastrophic error has occurred and the system
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 needs to be restarted.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 $Returns: none.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 $Arguments: Pointer to a block resource handle (ie ptr to ptr)
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 void mmibr_ShutDown( tBlkHandle *BlkRsrc )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 /* Only allow the resource manager to be shutdown if the provided
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 handle is consistent
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 if ( ValidBlockResource( *BlkRsrc ) )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 free( *BlkRsrc );
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 *BlkRsrc = NULL;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 $Function: mmibr_Fetch
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 $Description:
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 We will adopt a mechanism where each block of data being provided
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 will need to be returned to the block resource manager when it
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 is no longer being used, this will provide an orthogonal approach
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 when dealing with data coming from either ROM or dynamically
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 allocated memory.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 $Returns: pointer to resource, NULL if unsuccessful
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 $Arguments: BlkRsrc, resource handle created by mmibr_Initialise
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 Id, identifier of the resource to be returned
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 tBlkHandle mmibr_Fetch( tBlkHandle BlkRsrc, tBlkId Id )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 int Start, End, Search;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 tBlkId CurrentId;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 tBlkHandle SearchPtr;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /* convert the handle and verify it's valid
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 pBlkControl BlkControl = (pBlkControl) BlkRsrc;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 if ( ! ValidBlockResource( BlkRsrc ) )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 return NULL;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 /* When locating a specific entry, we need to search the list of
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 ids for one matching the input value. Since the Ids will be
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 organised as an ordered list, very important that bit, we can
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 perform a simple binary search to locate the items.
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 Start = 0;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 End = BlkControl->BlkLength - 1;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 SearchPtr = NULL;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 do
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 /* grab the entry midway between the current start and end
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 Search = Start + ((End - Start) >> 1);
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 CurrentId = BlkControl->BlkStartPtr[Search].BlkId;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 /* Binary chop the search space
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 if ( CurrentId == Id )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 /* Found a match, grab handle and terminate search
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 SearchPtr = BlkControl->BlkStartPtr[Search].BlkHandle;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 Start = End;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 else if ( CurrentId > Id )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /* Not got a match, but it's not in the top half so move
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 the End pointer down
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 End = Search;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 else
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 /* Not got a match, but it's not in the bottom half so
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 move the Start pointer up
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 Start = Search;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 /* when we get down to the last three or four entries, just
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 search linearly to solve it, this is generally quicker for
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 a small number of entries than continuing the binary chop
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 if ( ( End - Start ) < RESOURCE_SEARCH_LIMIT )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 {
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 /* search quickly through the possibles
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 for ( Search = Start; Search <= End; Search++ )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 if ( Id == BlkControl->BlkStartPtr[Search].BlkId )
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 SearchPtr = BlkControl->BlkStartPtr[Search].BlkHandle;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 /* And terminate the binary chop
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 */
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 Start = End;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 } while ( Start != End );
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 return SearchPtr;
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 }
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 /*******************************************************************************
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 End of File
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 *******************************************************************************/
e8ddbb0837ed src/ui3: initial import of TCS3/LoCosto BMI & MFW code
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324