annotate src/cs/services/cst/cst_stack.c @ 51:04aaa5622fa7

disable deep sleep when Iota LEDB is on TI's Iota chip docs say that CLK13M must be running in order for LEDB to work, and practical experience on Mot C139 which uses Iota LEDB for its keypad backlight concurs: if Calypso enters deep sleep while the keypad backlight is turned on, the light flickers visibly as the chipset goes into and out of deep sleep. TI's original L1 sleep manager code had logic to disable deep sleep when LT_Status() returns nonzero, but that function only works for B-Sample and C-Sample LT, always returns 0 on BOARD 41 - no check of Iota LEDB status anywhere. Change this code for our current hardware: disable deep sleep when Iota LEDB has been turned on through LLS.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 19 Oct 2020 05:11:29 +0000
parents 4e78acac3d88
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 * CST_STACK.C
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 *
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5 * Tasks and HISRs stacks monitoring.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 * (C) Texas Instruments 2000
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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8 *
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9 ******************************************************************************/
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10
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 #include <stdio.h>
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12 #include <string.h>
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13
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 void CST_stack_trace()
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27 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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42 for (jndex=0; jndex<2; jndex++)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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45 if (jndex == 0)
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Mychaela Falconia <falcon@freecalypso.org>
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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52 count = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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53 do
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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54 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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55 untouched = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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59 untouched++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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60 top_stack++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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61 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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62
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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 //
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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82 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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83 // \----------\
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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84 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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85 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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86 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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87 // \ SYSSTACK \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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88 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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89 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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90 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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91 // \----------\
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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92 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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93 // \ IRQSTACK \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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94 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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95 // \----------\
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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96 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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97 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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98 // \ FIQSTACK \
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99 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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100 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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101 // \----------\
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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102 // \ \
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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103
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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104 untouched = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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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Mychaela Falconia <falcon@freecalypso.org>
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107 while (*top_stack == 0xFE && top_stack <= bottom)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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108 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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109 untouched++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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110 top_stack++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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111 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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112
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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113 // "CST" being the current active task with its related CST_Stack,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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114 // the System Stack is unused (current sp_svc = System Stack Bottom)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 sprintf(result, "SYSSTACK: %08x %08x %08x 0x%x",
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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116 top,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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117 bottom,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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118 bottom, // current sp_svc = System Stack Bottom
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 untouched);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 vsi_o_trace("CST", 0x08, result);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 vsi_t_sleep("",30);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 untouched = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 top_stack = top = bottom + 4;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 bottom = (char *) ((unsigned)bottom + IRQ_STACK_SIZE);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 while (*top_stack == 0xFE && top_stack <= bottom)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 untouched++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 top_stack++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 // Since the processor is in supervisor mode (no IRQ & no FIQ),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 // current sp_irq = IRQ Stack bottom
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 sprintf(result, "IRQSTACK: %08x %08x %08x 0x%x",
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 top,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 bottom,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 bottom, // current sp_irq = IRQ Stack bottom
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 untouched);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 vsi_o_trace("CST", 0x08, result);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 vsi_t_sleep("",30);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 untouched = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 top_stack = top = bottom + 4;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 bottom = (char *) ((unsigned)bottom + FIQ_STACK_SIZE);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 while (*top_stack == 0xFE && top_stack <= bottom)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 untouched++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 top_stack++;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 // Since the processor is in supervisor mode (no IRQ & no FIQ),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 // current sp_fiq = FIQ Stack bottom
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 sprintf(result, "FIQSTACK: %08x %08x %08x 0x%x",
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 top,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 bottom,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 bottom, // current sp_fiq = FIQ Stack bottom
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 untouched);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 vsi_o_trace("CST", 0x08, result);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 vsi_o_trace("CST", 0x08, "-------------------------------------------------");
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 vsi_t_sleep("",30);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 }
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163