FreeCalypso > hg > fc-selenite

annotate src/cs/services/cst/cst_stack.c @ 112:fdecfb3bd860

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.../drv_app/r2d/r2d_*.c: LCD include case fixes from Magnetite R2D is not used in Selenite, but we strive to keep the two source trees in sync as much as possible to reduce the diffs.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Oct 2018 16:56:22 +0000
parents b6a5e36de839
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b6a5e36de839 src/cs: initial import from Magnetite
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1 /*******************************************************************************
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2 *
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3 * CST_STACK.C
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4 *
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5 * Tasks and HISRs stacks monitoring.
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6 *
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7 * (C) Texas Instruments 2000
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8 *
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9 ******************************************************************************/
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10
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11 #include <stdio.h>
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12 #include <string.h>
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13
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14 #include "nucleus.h"
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15 #include "cs_defs.h"
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16 #include "tc_defs.h"
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17
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18 // The following stack sizes are defined in int.s
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19 #define IRQ_STACK_SIZE 128 // Number of bytes in IRQ stack
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20 #define FIQ_STACK_SIZE 512 // Number of bytes in FIQ stack.
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21 #define SYSTEM_SIZE 1024 // Define the system stack size
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22
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23 int vsi_o_trace (char * caller, unsigned long tclass, char * text);
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24 int vsi_t_sleep (char * caller, unsigned long tvalue);
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25
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26 void CST_stack_trace()
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27 {
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28 int jndex, count, char_count;
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29 TC_TCB *head, *ptr;
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30 extern CS_NODE *TCD_Created_Tasks_List;
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31 extern CS_NODE *TCD_Created_HISRs_List;
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32 unsigned untouched;
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33 char *top_stack, *top, *bottom;
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34 extern char *TCT_System_Limit;
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35 char result[80];
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36 char name[9];
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37
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38 vsi_o_trace("CST", 0x08, "Stack Info ...");
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39 vsi_o_trace("CST", 0x08, " Name top bottom current untouched");
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40 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
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41
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42 for (jndex=0; jndex<2; jndex++)
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43 {
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44 // make use of TCB and HCB having same structure from beginning to past stack info
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45 if (jndex == 0)
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46 ptr = head = (TC_TCB *)TCD_Created_Tasks_List;
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47 else {
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48 ptr = head = (TC_TCB *)TCD_Created_HISRs_List;
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49 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
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50 }
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51
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52 count = 0;
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53 do
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54 {
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55 untouched = 0;
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56 top_stack = (char *)ptr->tc_stack_start;
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57 while (*top_stack == 0xFE && top_stack <= (char *)ptr->tc_stack_end)
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58 {
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59 untouched++;
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60 top_stack++;
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61 }
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62
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63 // Avoid to get a spurious character when tasks names are 8 characters long
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64 memcpy (name, ptr->tc_name, 8);
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65 name[8] = 0;
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66
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67 sprintf(result, "%8s: %08x %08x %08x 0x%x",
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68 name,
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69 ptr->tc_stack_start,
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70 ptr->tc_stack_end,
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71 ptr->tc_stack_pointer,
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72 untouched);
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73 vsi_o_trace("CST", 0x08, result);
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74 vsi_t_sleep("",30);
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75
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76 ptr = (TC_TCB*) ptr->tc_created.cs_next;
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77 } while (ptr != head && count++ < 50); //count is protection from infinite loops
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78 } // end of for (jndex=0; jndex<2; jndex++)
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79
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80 // stack allocation algorithm from the int.s function INT_Initialize()
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81 //
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82 // \ \
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83 // \----------\
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84 // \ \
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85 // \ \
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86 // \ \
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87 // \ SYSSTACK \
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88 // \ \
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89 // \ \
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90 // \ \
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91 // \----------\
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92 // \ \
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93 // \ IRQSTACK \
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94 // \ \
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95 // \----------\
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96 // \ \
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97 // \ \
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98 // \ FIQSTACK \
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99 // \ \
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100 // \ \
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101 // \----------\
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102 // \ \
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103
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104 untouched = 0;
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105 top_stack = top = (char *)TCT_System_Limit;
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106 bottom = (char *) ((unsigned)TCT_System_Limit + SYSTEM_SIZE);
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107 while (*top_stack == 0xFE && top_stack <= bottom)
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108 {
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109 untouched++;
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110 top_stack++;
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111 }
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112
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113 // "CST" being the current active task with its related CST_Stack,
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114 // the System Stack is unused (current sp_svc = System Stack Bottom)
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115 sprintf(result, "SYSSTACK: %08x %08x %08x 0x%x",
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116 top,
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117 bottom,
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118 bottom, // current sp_svc = System Stack Bottom
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119 untouched);
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120 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
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121 vsi_o_trace("CST", 0x08, result);
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122 vsi_t_sleep("",30);
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123
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124 untouched = 0;
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125 top_stack = top = bottom + 4;
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126 bottom = (char *) ((unsigned)bottom + IRQ_STACK_SIZE);
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127 while (*top_stack == 0xFE && top_stack <= bottom)
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128 {
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129 untouched++;
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130 top_stack++;
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131 }
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132
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133 // Since the processor is in supervisor mode (no IRQ & no FIQ),
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134 // current sp_irq = IRQ Stack bottom
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 sprintf(result, "IRQSTACK: %08x %08x %08x 0x%x",
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 top,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 bottom,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 bottom, // current sp_irq = IRQ Stack bottom
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 untouched);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 vsi_o_trace("CST", 0x08, result);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 vsi_t_sleep("",30);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 untouched = 0;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 top_stack = top = bottom + 4;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 bottom = (char *) ((unsigned)bottom + FIQ_STACK_SIZE);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 while (*top_stack == 0xFE && top_stack <= bottom)
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 {
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 untouched++;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 top_stack++;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 // Since the processor is in supervisor mode (no IRQ & no FIQ),
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 // current sp_fiq = FIQ Stack bottom
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 sprintf(result, "FIQSTACK: %08x %08x %08x 0x%x",
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 top,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 bottom,
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 bottom, // current sp_fiq = FIQ Stack bottom
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 untouched);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 vsi_o_trace("CST", 0x08, result);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 vsi_t_sleep("",30);
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 }
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163