FreeCalypso > hg > fc-tourmaline
annotate src/cs/services/cst/cst_stack.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
105 top_stack = top = (char *)TCT_System_Limit; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
106 bottom = (char *) ((unsigned)TCT_System_Limit + SYSTEM_SIZE); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 while (*top_stack == 0xFE && top_stack <= bottom) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
108 { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
109 untouched++; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
110 top_stack++; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
111 } |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
112 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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:
diff
changeset
|
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>
parents:
diff
changeset
|
116 top, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 bottom, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
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 |