FreeCalypso > hg > fc-magnetite

annotate src/gpf2/osl/os_mis_fl.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 9e55fe3a5ee4
children
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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_mis.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, slightly reordered: */
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7 #include <stddef.h>
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8 #include <stdio.h>
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9 #include <string.h>
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10 #if 0 /* from first attempt at gcc-built fw, currently unused */
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11 #include "../../riviera/rv/general.h"
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12 #include "../../riviera/rv/rv_general.h"
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13 #include "../../riviera/rvf/rvf_api.h"
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14 #include "../../services/ffs/ffs.h"
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15 #endif
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16 #include "nucleus.h"
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17 #include "typedefs.h"
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18 #include "os.h"
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19 #include "gdi.h"
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20 #include "os_types.h"
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21 #include "os_glob.h"
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22 #include "header.h"
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23 #include "vsi.h"
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24 #if 0 /* from first attempt at gcc-built fw, currently unused */
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25 #include "drvconf.h"
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26 #include "../tst_pei/tstdriver.h"
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27 #endif
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28 #include "dar_func.h"
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29 #include "tools.h"
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30
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31 typedef unsigned char u_char;
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32
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33 char *NU_State[13] = {
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34 "NU_READY",
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35 "",
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36 "NU_SLEEP_SUSPEND",
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37 "",
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38 "",
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39 "NU_QUEUE_SUSPEND",
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40 "NU_SEMAPHORE_SUSPEND",
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41 "",
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42 "NU_PARTITION_SUSPEND",
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43 "NU_MEMORY_SUSPEND",
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44 "",
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45 "NU_FINISHED",
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46 "NU_TERMINATED",
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47 };
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48
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49 char *msg_type[4] = {
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50 "",
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51 "PRIMITIVE",
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52 "SIGNAL",
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53 "TIMEOUT",
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54 };
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55
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56 char *warning = "SYSTEM WARNING: ";
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57
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58 T_GPF_DAR_PROPERTIES *dar;
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59 T_GPF_DAR_STRUCT os_dar;
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60 NU_PROTECT os_mis_Protect;
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61 u_char SystemErrorBuffer[256];
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62 u_char DARErrorBuffer[256];
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63
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64 static u_char state;
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65 static int fd;
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66 static unsigned bytes_read;
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67 static u_char *msg;
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68 static unsigned count;
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69 static unsigned data_len;
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70 static unsigned dar_wrap_around;
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71 static unsigned dar_buffer_count;
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72 static unsigned dar_wrap_around_detected;
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73
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74 LONG
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75 os_read_dar_ffs_data(USHORT entry, char *buffer, USHORT len)
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76 {
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77 /*
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78 * This function is only used to implement the READ_DAR_FILE
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79 * system primitive; this frill feature is currently deemed
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80 * not important enough to expend the effort to reconstruct
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81 * this function from disassembly.
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82 */
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83 return(OS_ERROR);
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84 }
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85
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86 LONG
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87 os_dar_set_filter(void)
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88 {
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89 if (dar)
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90 dar->diagnose_swe_filter(dar->gpf_use_id, dar->warning);
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91 return(OS_OK);
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92 }
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93
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94 LONG
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95 os_dar_register(const void *dar_properties)
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96 {
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97 if (dar_properties) {
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98 os_dar.properties = (T_GPF_DAR_PROPERTIES *) dar_properties;
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99 os_dar.magic_nr = DAR_INITIALIZED;
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100 dar = (T_GPF_DAR_PROPERTIES *) dar_properties;
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101 }
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102 return(OS_OK);
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103 }
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104
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105 void
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106 os_dar_init(void)
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107 {
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108 if (os_dar.magic_nr != DAR_INITIALIZED)
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109 dar = 0;
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110 }
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111
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112 void
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113 os_SystemError(OS_HANDLE Caller, USHORT cause, char *buffer)
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114 {
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115 /*
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116 * The implementation of this function in the binary blob
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117 * which we are reversing is very complex. I am leaving it
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118 * as an empty stub for now. - Space Falcon
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119 */
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120 }
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121
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122 GLOBAL LONG
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123 os_ObjectInformation(OS_HANDLE Caller, USHORT Id, USHORT Handle, USHORT len,
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124 void *Buffer)
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125 {
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126 switch (Id) {
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127 case OS_OBJTASK:
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128 return os_TaskInformation(Handle, Buffer);
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129 case OS_OBJQUEUE:
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130 return os_QueueInformation(Handle, Buffer);
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131 case OS_OBJPARTITIONGROUP:
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132 return os_PartitionInformation(Handle, Buffer);
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133 case OS_OBJMEMORYPOOL:
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134 return os_MemoryInformation(Handle, Buffer);
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135 case OS_OBJTIMER:
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136 return os_TimerInformation(Handle, Buffer);
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137 case OS_OBJSEMAPHORE:
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138 return os_SemaphoreInformation(Handle, Buffer);
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139 default:
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140 return(OS_ERROR);
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141 }
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142 }
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143
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144 GLOBAL LONG
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145 os_Initialize(void)
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146 {
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147 if (os_SemInit() == OS_ERROR)
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148 return(OS_ERROR);
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149 if (os_ProInit() == OS_ERROR)
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150 return(OS_ERROR);
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151 if (os_ComInit() == OS_ERROR)
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152 return(OS_ERROR);
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153 if (os_MemInit() == OS_ERROR)
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154 return(OS_ERROR);
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155 if (os_TimInit() == OS_ERROR)
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156 return(OS_ERROR);
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157 if (os_isr_init() == OS_ERROR)
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158 return(OS_ERROR);
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159 #if 0
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160 if (os_EvGrpInit() == OS_ERROR)
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161 return(OS_ERROR);
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162 #endif
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163 /*
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164 * The original code zeroes out the first 32-bit word of
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parents:
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165 * os_mis_Protect here. We don't really need to do that,
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166 * as it is a zeroed-on-boot bss var.
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167 */
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168 os_dar_init(); /* inlined in the original */
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169 return(OS_OK);
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170 }