FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_isr.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +0000
parents 10c059efb3d1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
487
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
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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_isr.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 <string.h>
492
10c059efb3d1 OSL: os_isr.c compiles
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8 #include "nucleus.h"
487
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9 #include "typedefs.h"
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10 #include "os.h"
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11 #include "gdi.h"
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12 #include "os_types.h"
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13 #include "os_glob.h"
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14
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15 typedef unsigned char u_char;
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16
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17 extern T_OS_OSISR_TABLE_ENTRY OSISRTable[];
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18 extern OS_HANDLE os_int_pool_handle;
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19
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20 GLOBAL LONG
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21 os_isr_init(void)
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22 {
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23 USHORT i;
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24
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25 for (i = 1; i <= MaxOSISRs; i++)
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26 OSISRTable[i].name[0] = 0;
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27 return(OS_OK);
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28 }
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29
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30 GLOBAL LONG
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31 os_SetInterruptState(OS_INT_STATE new_state, OS_INT_STATE *old_state)
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32 {
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33 INT state;
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34
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35 if (new_state)
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36 state = NU_ENABLE_INTERRUPTS;
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37 else
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38 state = NU_DISABLE_INTERRUPTS;
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39 state = NU_Control_Interrupts(state);
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40 if (state & 0xFF)
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41 *old_state = 0;
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42 else
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43 *old_state = 1;
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44 return(OS_OK);
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45 }
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46
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47 GLOBAL LONG
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48 os_EnableInterrupts(OS_INT_STATE *old_state)
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49 {
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50 INT state;
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51
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52 state = NU_Control_Interrupts(NU_ENABLE_INTERRUPTS);
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53 if (state & 0xFF)
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54 *old_state = 0;
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55 else
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56 *old_state = 1;
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57 return(OS_OK);
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58 }
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59
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60 GLOBAL LONG
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61 os_DisableInterrupts(OS_INT_STATE *old_state)
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62 {
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63 INT state;
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64
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65 state = NU_Control_Interrupts(NU_DISABLE_INTERRUPTS);
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66 if (state & 0xFF)
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67 *old_state = 0;
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68 else
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69 *old_state = 1;
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70 return(OS_OK);
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71 }
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72
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73 GLOBAL LONG
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74 os_DeleteOSISR(OS_HANDLE hisr_handle)
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75 {
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76 OS_INT_STATE old_state, state;
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77
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78 if (hisr_handle <= 0 || hisr_handle > MaxOSISRs)
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79 return(OS_ERROR);
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80 if (OSISRTable[hisr_handle].hisr_cb.tc_activation_count)
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81 return(OS_ERROR);
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82 os_DisableInterrupts(&old_state);
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83 if (os_DeallocateMemory(os_MyHandle(), OSISRTable[hisr_handle].stack)
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84 == OS_ERROR) {
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85 error: os_SetInterruptState(old_state, &state);
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86 return(OS_ERROR);
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87 }
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88 if (NU_Delete_HISR(&OSISRTable[hisr_handle].hisr_cb) != NU_SUCCESS)
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89 goto error;
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90 OSISRTable[hisr_handle].name[0] = 0;
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91 os_SetInterruptState(old_state, &state);
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92 return(OS_OK);
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93 }
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94
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95 GLOBAL LONG
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96 os_CreateOSISR(char *name, void (*OSISR_entry)(void),
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97 int stacksize, int priority,
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98 int flags, OS_HANDLE *hisr_handle)
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99 {
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100 OS_HANDLE handle;
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101 T_VOID_STRUCT *hisr_stack;
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102 OS_INT_STATE old_state, state;
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103
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104 if (priority < 0 || priority > 2)
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105 return(OS_ERROR);
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106 priority = 2 - priority;
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107 os_DisableInterrupts(&old_state);
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108 for (handle = 1; handle <= MaxOSISRs; handle++)
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109 if (!strncmp(OSISRTable[handle].name, name,
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110 RESOURCE_NAMELEN - 1)) {
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111 error: os_SetInterruptState(old_state, &state);
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112 return(OS_ERROR);
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113 }
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114 for (handle = 1; handle <= MaxOSISRs; handle++)
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115 if (!OSISRTable[handle].name[0])
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parents:
diff changeset
116 break;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 if (handle > MaxOSISRs)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 goto error;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 if (os_AllocateMemory(os_MyHandle(), &hisr_stack, stacksize,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 0xFFFFFFFF, os_int_pool_handle) == OS_ERROR)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 goto error;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 memset((u_char *)hisr_stack, INITIAL_STACK_VALUE, stacksize);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 *hisr_stack = GUARD_PATTERN;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 if (NU_Create_HISR(&OSISRTable[handle].hisr_cb, name, OSISR_entry,
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 priority, (VOID *)hisr_stack, stacksize)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 != NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 goto error;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 strncpy(OSISRTable[handle].name, name, RESOURCE_NAMELEN);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 OSISRTable[handle].name[RESOURCE_NAMELEN-1] = 0;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 OSISRTable[handle].stack = hisr_stack;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 *hisr_handle = handle;
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 os_SetInterruptState(old_state, &state);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 }
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 GLOBAL LONG
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 os_ActivateOSISR(OS_HANDLE hisr_handle)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 {
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 if (hisr_handle <= 0 || hisr_handle > MaxOSISRs)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 if (NU_Activate_HISR(&OSISRTable[hisr_handle].hisr_cb) == NU_SUCCESS)
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 return(OS_OK);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 else
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return(OS_ERROR);
91e8dac34ada src/gpf2/osl: initial import from old freecalypso-sw tree
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }