FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_sem_fl.c @ 581:a0a45c5eb3ef

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gsmcomp.c: bumping trace partition size to 220 like in gprscomp.c This change is safe in terms of RAM usage because all of these partition pools have already been moved from XRAM to IRAM earlier, and our IRAM usage in VO configs is currently quite low - the one near the limit is XRAM on C11x.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 29 Jan 2019 03:52:49 +0000
parents 27db9775cbab
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
487
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1 /*
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2 * This C module is a reconstruction based on the disassembly of
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3 * os_sem.obj in frame_na7_db_fl.lib from the Leonardo package.
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4 */
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5
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6 /* set of included headers from COFF symtab: */
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7 #include <stdio.h>
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8 #include <string.h>
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9 #include "nucleus.h"
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10 #include "typedefs.h"
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11 #include "os.h"
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12 #include "gdi.h"
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13 #include "os_types.h"
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14 #include "os_glob.h"
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15
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16 extern T_OS_SEM_TABLE_ENTRY SemTable[];
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17
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18 static NU_SEMAPHORE SemSemCB;
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19
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20 static int
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21 os_GetSemaphoreEntry(USHORT Index, OS_HANDLE *Handle)
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22 {
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23 static USHORT Idx;
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24
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25 if (Index == FIRST_ENTRY)
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26 Idx = 0;
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27 if (Index == FIRST_ENTRY || Index == NEXT_ENTRY) {
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28 for (;;) {
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29 Idx++;
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30 if (Idx > MaxSemaphores)
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31 return(OS_ERROR);
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32 if (SemTable[Idx].Name[0])
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33 break;
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34 }
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35 } else
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36 Idx = Index;
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37 if (Idx > MaxSemaphores)
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38 return(OS_ERROR);
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39 if (SemTable[Idx].Name[0]) {
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40 *Handle = Idx;
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41 return(OS_OK);
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42 } else
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43 return(OS_ERROR);
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44 }
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45
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46 GLOBAL LONG
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47 os_SemaphoreInformation(USHORT Index, char *Buffer)
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48 {
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49 OS_HANDLE Handle;
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50 OPTION SuspendType;
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51 UNSIGNED Current, TasksWaiting;
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52 NU_TASK *First;
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53 CHAR Name[NU_MAX_NAME];
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54
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55 if (os_GetSemaphoreEntry(Index, &Handle) < 0)
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56 return(OS_ERROR);
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57 if (NU_Semaphore_Information(&SemTable[Handle].SemCB, Name, &Current,
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58 &SuspendType, &TasksWaiting, &First)
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59 != NU_SUCCESS)
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60 return(OS_ERROR);
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61 sprintf(Buffer, "Semname:%s Count:%ld Suspend:%d Waiting:%ld", Name,
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62 Current, SuspendType, TasksWaiting);
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63 return(OS_OK);
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64 }
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65
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66 GLOBAL LONG
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67 os_SemInit(void)
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68 {
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69 USHORT i;
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70
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71 if (NU_Create_Semaphore(&SemSemCB, "SEMSEM", 1, NU_PRIORITY)
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72 != NU_SUCCESS)
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73 return(OS_ERROR);
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74 for (i = 1; i <= MaxSemaphores; i++)
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75 memset(&SemTable[i], 0, sizeof(T_OS_SEM_TABLE_ENTRY));
487
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76 return(OS_OK);
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77 }
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78
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79 GLOBAL LONG
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80 os_ResetSemaphore(OS_HANDLE TaskHandle, OS_HANDLE SemHandle,
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81 USHORT init_counter)
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82 {
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83 STATUS sts;
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84
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85 sts = NU_Obtain_Semaphore(&SemSemCB, NU_SUSPEND);
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86 if (!SemTable[SemHandle].Name[0]) {
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87 error_out: if (sts == NU_SUCCESS)
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88 NU_Release_Semaphore(&SemSemCB);
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89 return(OS_ERROR);
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90 }
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91 if (NU_Reset_Semaphore(&SemTable[SemHandle].SemCB, init_counter)
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92 != NU_SUCCESS)
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93 goto error_out;
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94 if (sts == NU_SUCCESS)
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95 NU_Release_Semaphore(&SemSemCB);
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96 return(OS_OK);
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97 }
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98
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99 GLOBAL LONG
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100 os_QuerySemaphore(OS_HANDLE TaskHandle, OS_HANDLE SemHandle, USHORT *Count)
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101 {
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102 OPTION SuspendType;
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103 UNSIGNED SemCount, TasksWaiting;
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104 NU_TASK *First;
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105 CHAR Name[NU_MAX_NAME];
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106
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107 if (NU_Semaphore_Information(&SemTable[SemHandle].SemCB, Name,
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108 &SemCount, &SuspendType, &TasksWaiting,
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109 &First) != NU_SUCCESS)
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110 return(OS_ERROR);
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111 *Count = SemCount;
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112 return(OS_OK);
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113 }
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114
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115 GLOBAL LONG
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116 os_OpenSemaphore(OS_HANDLE TaskHandle, char *Name, OS_HANDLE *SemHandle)
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117 {
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parents:
diff changeset
118 USHORT i;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 for (i = 1; i <= MaxSemaphores; i++) {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 if (!SemTable[i].Name[0])
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 if (strncmp(Name, SemTable[i].Name, RESOURCE_NAMELEN-1))
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 *SemHandle = i;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 GLOBAL unsigned char *
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 os_FindSuspendingSema(unsigned int *tcb)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 USHORT i;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 SM_SUSPEND *susp, *susp_loopchk;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 for (i = 1; i <= MaxSemaphores; i++) {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 if (!SemTable[i].Name[0])
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 susp = SemTable[i].SemCB.sm_suspension_list;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 if (!susp)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 if (susp->sm_suspended_task == (NU_TASK *)tcb)
499
27db9775cbab OSL: os_sem_fl.c compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 487
diff changeset
144 return((unsigned char *) SemTable[i].SemCB.sm_name);
487
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 susp = (SM_SUSPEND *)susp->sm_suspend_link.cs_next;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 for (susp_loopchk = susp; susp != susp_loopchk;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 susp = (SM_SUSPEND *)susp->sm_suspend_link.cs_next)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 if (susp->sm_suspended_task == (NU_TASK *)tcb)
499
27db9775cbab OSL: os_sem_fl.c compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 487
diff changeset
149 return((unsigned char *)
27db9775cbab OSL: os_sem_fl.c compiles
Mychaela Falconia <falcon@freecalypso.org>
parents: 487
diff changeset
150 SemTable[i].SemCB.sm_name);
487
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 return(0);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 GLOBAL LONG
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 os_DestroySemaphore(OS_HANDLE TaskHandle, OS_HANDLE SemHandle)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 STATUS sts;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 sts = NU_Obtain_Semaphore(&SemSemCB, NU_SUSPEND);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 if (!SemTable[SemHandle].Name[0]) {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 error_out: if (sts == NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 NU_Release_Semaphore(&SemSemCB);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 if (NU_Delete_Semaphore(&SemTable[SemHandle].SemCB) != NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 goto error_out;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 SemTable[SemHandle].Name[0] = 0;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 if (sts == NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 NU_Release_Semaphore(&SemSemCB);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 GLOBAL LONG
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 os_CreateSemaphore(OS_HANDLE TaskHandle, char *Name, USHORT Count,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 OS_HANDLE *SemHandle, OS_HANDLE MemPoolHandle)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 USHORT i;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 STATUS sts;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 if (os_OpenSemaphore(TaskHandle, Name, SemHandle) == OS_OK)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 sts = NU_Obtain_Semaphore(&SemSemCB, NU_SUSPEND);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 for (i = 1; i <= MaxSemaphores; i++) {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 if (SemTable[i].Name[0])
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 continue;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 if (NU_Create_Semaphore(&SemTable[i].SemCB, Name, Count,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 NU_PRIORITY) != NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 break;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 strncpy(SemTable[i].Name, Name, RESOURCE_NAMELEN);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 SemTable[i].Name[RESOURCE_NAMELEN-1] = 0;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 *SemHandle = i;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 if (sts == NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 NU_Release_Semaphore(&SemSemCB);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 if (sts == NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 NU_Release_Semaphore(&SemSemCB);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 GLOBAL LONG
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 os_CloseSemaphore(OS_HANDLE TaskHandle, OS_HANDLE SemHandle)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 }