annotate src/cs/system/template/gsm_ds_pirelli_ram.template @ 91:a1ed3269da48

gsm_ds_pirelli_ram.template: reserve the first 0x100 bytes of IRAM
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 02 Oct 2016 16:55:59 +0000
parents 7bd197063b9e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Integrated Protocol Stack Linker command file (all components)
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3 *
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4 * Target : ARM
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5 *
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6 * Copyright (c) Texas Instruments 2002, Condat 2002
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7 *
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8 * This version of the linker script template has been concocted
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9 * by Spacefalcon the Outlaw based on previous hacks.
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10 */
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11
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12 -c /* Autoinitialize variables at runtime */
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13
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14 /*********************************/
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15 /* SPECIFY THE SYSTEM MEMORY MAP */
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16 /*********************************/
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17
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18 MEMORY
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19 {
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20 /* using XRAM instead of flash */
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21 /* Interrupt Vectors Table */
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22 I_MEM (RXI) : org = 0x01000000 len = 0x00000100
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23
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24 /* Boot Sector */
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25 B_MEM (RXI) : org = 0x01000100 len = 0x00001f00
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26
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27 /* Magic Word for Calypso Boot ROM */
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28 MWC_MEM (RXI) : org = 0x01002000 len = 0x00000004 fill = 0x0000001
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29
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30 /* Program Memory */
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31 P_MEM1 (RXI) : org = 0x01004000 len = 0x00000700
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32 P_MEM2 (RXI) : org = 0x01004700 len = 0x00000004
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33 P_MEM3 (RXI) : org = 0x01004704 len = 0x003fb8fc
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34
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35 /* FFS Area */
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36 FFS_MEM (RX) : org = 0x02000000 len = 0x00800000
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37 /**************************************************************************/
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38
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39 /* CS1: External SRAM 1 Mbytes ********************************************/
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40 /* Data Memory */
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41
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42 /*
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43 * Huge XRAM on the Pirelli: present it as two banks of 4 MiB each
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44 * ... or a little less since we just stole half of it for "flash"
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45 */
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46
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47 D_MEM1 (RW) : org = 0x01400000 len = 0x00380000
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48 D_MEM2 (RW) : org = 0x01780000 len = 0x00080000
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49 /**************************************************************************/
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50
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51 /* CS6: Calypso Internal SRAM 512 kbytes **********************************/
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52 /* Code & Variables Memory */
91
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53 S_MEM (RXW) : org = 0x00800100 len = 0x0007ff00
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54 /**************************************************************************/
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55 }
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56
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57 /***********************************************/
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58 /* SPECIFY THE SECTIONS ALLOCATION INTO MEMORY */
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59 /***********************************************/
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60
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61 /*
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62 * Since the bootloader directly calls the INT_Initialize() routine located
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63 * in int.s, this int.s code must always be mapped at the same address
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64 * (usually in the second flash sector). Its length is about 0x500 bytes.
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65 * Then comes the code that need to be loaded into the internal RAM.
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66 */
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67
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68 SECTIONS
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69 {
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70 .intvecs : {} > I_MEM /* Interrupt Vectors Table */
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71 .monitor : > B_MEM /* Monitor Constants & Code */
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72 {
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73 $(CONST_BOOT_LIB)
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74 }
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75
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76 .inttext : {} > P_MEM1 /* int.s Code */
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77
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78 .bss_dar : > D_MEM1 /* DAR SWE Variables */
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79 {
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80 $(BSS_DAR_LIB)
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81 }
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82
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83 /*
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84 * The .bss section should not be split to ensure it is initialized to 0
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85 * each time the SW is reset. So the whole .bss is mapped either in D_MEM1
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86 * or in D_MEM2.
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87 *
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88 * Falcon's note for K5A3281: see the comments above where the memory
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89 * regions are defined.
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90 */
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91
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92 .bss : > D_MEM1 | D_MEM2 /* Global & Static Variables */
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93 {
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94 $(BSS_BOOT_LIB)
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95 }
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96
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97 /*
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98 * All .bss sections, which must be mapped in internal RAM must be
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99 * grouped in order to initialized the corresponding memory to 0.
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100 * This initialization is done in int.s file before calling the Nucleus
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101 * routine.
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102 */
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103
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104 GROUP
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105 {
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106 S_D_Mem /* Label of start address of .bss section in Int. RAM */
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107 .DintMem
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108 {
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109
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110 /*
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111 * .bss sections of the application
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112 */
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113
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114 $(BSS_LIBS)
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115
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116 }
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117
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118 API_HISR_stack : {}
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119
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120 E_D_Mem /* Label of end address of .bss section in Int. RAM */
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121 } > S_MEM
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122
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123 /*
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124 * .text and .const sections which must be mapped in internal RAM.
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125 */
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126
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127 .ldfl : {} > P_MEM2 /* Used to know the start load address */
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128 GROUP load = P_MEM3, run = S_MEM
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129 {
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130 S_P_Mem /* Label of start address of .text & .const sections in Int. RAM */
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131 .PIntMem
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132 {
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133 /*
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134 * .text and .const sections of the application.
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135 *
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136 * The .veneer sections correspond exactly to .text:v&n sections
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137 * implementing the veneer functions. The .text:v$n -> .veneer
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138 * translation is performed by PTOOL software when PTOOL_OPTIONS
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139 * environement variable is set to veneer_section.
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140 */
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141
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142 $(CONST_LIBS)
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143
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144 }
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145 E_P_Mem /* Label of end address of .text and .const sections in Int. RAM */
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146 }
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147
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148 /*
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149 * The rest of the code is mapped in flash, however the trampolines
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150 * load address should be consistent with .text.
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151 */
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152 COMMENT2START
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153 `trampolines load = P_MEM3, run = S_MEM
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154 COMMENT2END
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155
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156 .text : {} > P_MEM3 /* Code */
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157
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158 /*
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159 * The rest of the constants is mapped in flash.
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160 * The .cinit section should not be split.
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161 */
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162
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163 .cinit : {} > P_MEM3 /* Initialization Tables */
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164 .const : {} > P_MEM3 /* Constant Data */
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165 KadaAPI : {} > P_MEM3 /* ROMized CLDC */
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166
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167 .javastack: {} >> D_MEM1 | D_MEM2 /* Java stack */
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168
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169 .stackandheap : > D_MEM1 /* System Stacks, etc... */
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170 {
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171 /* Leave 20 32bit words for register pushes. */
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172 . = align(8);
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173 . += 20 * 4;
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174
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175 /* Stack for abort and/or undefined modes. */
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176 exception_stack = .;
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177
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178 /* Leave 38 32bit words for state saving on exceptions. */
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179 _xdump_buffer = .;
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180 . += 38 * 4;
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181 . = align(8);
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182
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183 /* Beginning of stacks and heap area - 2.75 kbytes (int.s) */
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184 stack_segment = .;
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185 . += 0xB00;
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186 }
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187
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188 .data : {} > D_MEM1 /* Initialized Data */
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189 .sysmem : {} > D_MEM1 /* Dynamic Memory Allocation Area */
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190
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191 }