1/* 2 *-------- <<< Use Configuration Wizard in Context Menu >>> ------------------- 3 */ 4 5/*---------------------- Flash Configuration ---------------------------------- 6 <h> Flash Configuration 7 <o0> Flash Base Address <0x0-0xFFFFFFFF:8> 8 <o1> Flash Size (in Bytes) <0x0-0xFFFFFFFF:8> 9 </h> 10 -----------------------------------------------------------------------------*/ 11__ROM_BASE = 0x00000000; 12__ROM_SIZE = 0x00040000; 13 14/*--------------------- Embedded RAM Configuration ---------------------------- 15 <h> RAM Configuration 16 <o0> RAM Base Address <0x0-0xFFFFFFFF:8> 17 <o1> RAM Size (in Bytes) <0x0-0xFFFFFFFF:8> 18 </h> 19 -----------------------------------------------------------------------------*/ 20__RAM_BASE = 0x20000000; 21__RAM_SIZE = 0x00020000; 22 23/*--------------------- Stack / Heap Configuration ---------------------------- 24 <h> Stack / Heap Configuration 25 <o0> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> 26 <o1> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> 27 </h> 28 -----------------------------------------------------------------------------*/ 29__STACK_SIZE = 0x00000400; 30__HEAP_SIZE = 0x00000C00; 31 32/* 33 *-------------------- <<< end of configuration section >>> ------------------- 34 */ 35 36MEMORY 37{ 38 FLASH (rx) : ORIGIN = __ROM_BASE, LENGTH = __ROM_SIZE 39 RAM (rwx) : ORIGIN = __RAM_BASE, LENGTH = __RAM_SIZE 40} 41 42/* Linker script to place sections and symbol values. Should be used together 43 * with other linker script that defines memory regions FLASH and RAM. 44 * It references following symbols, which must be defined in code: 45 * Reset_Handler : Entry of reset handler 46 * 47 * It defines following symbols, which code can use without definition: 48 * __exidx_start 49 * __exidx_end 50 * __copy_table_start__ 51 * __copy_table_end__ 52 * __zero_table_start__ 53 * __zero_table_end__ 54 * __etext (deprecated) 55 * __data_start__ 56 * __preinit_array_start 57 * __preinit_array_end 58 * __init_array_start 59 * __init_array_end 60 * __fini_array_start 61 * __fini_array_end 62 * __data_end__ 63 * __bss_start__ 64 * __bss_end__ 65 * __end__ 66 * end 67 * __HeapLimit 68 * __StackLimit 69 * __StackTop 70 * __stack 71 */ 72ENTRY(Reset_Handler) 73 74SECTIONS 75{ 76 .text : 77 { 78 KEEP(*(.vectors)) 79 *(.text*) 80 81 KEEP(*(.init)) 82 KEEP(*(.fini)) 83 84 /* .ctors */ 85 *crtbegin.o(.ctors) 86 *crtbegin?.o(.ctors) 87 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) 88 *(SORT(.ctors.*)) 89 *(.ctors) 90 91 /* .dtors */ 92 *crtbegin.o(.dtors) 93 *crtbegin?.o(.dtors) 94 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) 95 *(SORT(.dtors.*)) 96 *(.dtors) 97 98 *(.rodata*) 99 100 KEEP(*(.eh_frame*)) 101 } > FLASH 102 103 .ARM.extab : 104 { 105 *(.ARM.extab* .gnu.linkonce.armextab.*) 106 } > FLASH 107 108 __exidx_start = .; 109 .ARM.exidx : 110 { 111 *(.ARM.exidx* .gnu.linkonce.armexidx.*) 112 } > FLASH 113 __exidx_end = .; 114 115 .copy.table : 116 { 117 . = ALIGN(4); 118 __copy_table_start__ = .; 119 120 LONG (LOADADDR(.data)) 121 LONG (ADDR(.data)) 122 LONG (SIZEOF(.data) / 4) 123 124 /* Add each additional data section here */ 125/* 126 LONG (LOADADDR(.data2)) 127 LONG (ADDR(.data2)) 128 LONG (SIZEOF(.data2) / 4) 129*/ 130 __copy_table_end__ = .; 131 } > FLASH 132 133 .zero.table : 134 { 135 . = ALIGN(4); 136 __zero_table_start__ = .; 137 138/* .bss initialization to zero is already done during C Run-Time Startup. 139 LONG (ADDR(.bss)) 140 LONG (SIZEOF(.bss) / 4) 141*/ 142 143 /* Add each additional bss section here */ 144/* 145 LONG (ADDR(.bss2)) 146 LONG (SIZEOF(.bss2) / 4) 147*/ 148 __zero_table_end__ = .; 149 } > FLASH 150 151 /* 152 * This __etext variable is kept for backward compatibility with older, 153 * ASM based startup files. 154 */ 155 PROVIDE(__etext = LOADADDR(.data)); 156 157 .data : ALIGN(4) 158 { 159 __data_start__ = .; 160 *(vtable) 161 *(.data) 162 *(.data.*) 163 164 . = ALIGN(4); 165 /* preinit data */ 166 PROVIDE_HIDDEN (__preinit_array_start = .); 167 KEEP(*(.preinit_array)) 168 PROVIDE_HIDDEN (__preinit_array_end = .); 169 170 . = ALIGN(4); 171 /* init data */ 172 PROVIDE_HIDDEN (__init_array_start = .); 173 KEEP(*(SORT(.init_array.*))) 174 KEEP(*(.init_array)) 175 PROVIDE_HIDDEN (__init_array_end = .); 176 177 . = ALIGN(4); 178 /* finit data */ 179 PROVIDE_HIDDEN (__fini_array_start = .); 180 KEEP(*(SORT(.fini_array.*))) 181 KEEP(*(.fini_array)) 182 PROVIDE_HIDDEN (__fini_array_end = .); 183 184 KEEP(*(.jcr*)) 185 . = ALIGN(4); 186 /* All data end */ 187 __data_end__ = .; 188 189 } > RAM AT > FLASH 190 191 /* 192 * Secondary data section, optional 193 * 194 * Remember to add each additional data section 195 * to the .copy.table above to assure proper 196 * initialization during startup. 197 */ 198/* 199 .data2 : ALIGN(4) 200 { 201 . = ALIGN(4); 202 __data2_start__ = .; 203 *(.data2) 204 *(.data2.*) 205 . = ALIGN(4); 206 __data2_end__ = .; 207 208 } > RAM2 AT > FLASH 209*/ 210 211 .bss : 212 { 213 . = ALIGN(4); 214 __bss_start__ = .; 215 *(.bss) 216 *(.bss.*) 217 *(COMMON) 218 . = ALIGN(4); 219 __bss_end__ = .; 220 } > RAM AT > RAM 221 222 /* 223 * Secondary bss section, optional 224 * 225 * Remember to add each additional bss section 226 * to the .zero.table above to assure proper 227 * initialization during startup. 228 */ 229/* 230 .bss2 : 231 { 232 . = ALIGN(4); 233 __bss2_start__ = .; 234 *(.bss2) 235 *(.bss2.*) 236 . = ALIGN(4); 237 __bss2_end__ = .; 238 } > RAM2 AT > RAM2 239*/ 240 241 .heap (NOLOAD) : 242 { 243 . = ALIGN(8); 244 __end__ = .; 245 PROVIDE(end = .); 246 . = . + __HEAP_SIZE; 247 . = ALIGN(8); 248 __HeapLimit = .; 249 } > RAM 250 251 .stack (ORIGIN(RAM) + LENGTH(RAM) - __STACK_SIZE) (NOLOAD) : 252 { 253 . = ALIGN(8); 254 __StackLimit = .; 255 . = . + __STACK_SIZE; 256 . = ALIGN(8); 257 __StackTop = .; 258 } > RAM 259 PROVIDE(__stack = __StackTop); 260 261 /* Check if data + heap + stack exceeds RAM limit */ 262 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") 263} 264
