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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_F429ZI/TOOLCHAIN_GCC_ARM/STM32F429xI.ld@157:e7ca05fa8600, 2017-11-09 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 09 11:14:10 2017 +0000
Revision:
157:e7ca05fa8600
Parent:
156:ff21514d8981
Child:
171:3a7713b1edbc
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 M_VECTOR_RAM_SIZE = 0x400;
AnnaBridge 156:ff21514d8981 2
AnnaBridge 156:ff21514d8981 3 /* With the RTOS in use, this does not affect the main stack size. The size of
AnnaBridge 156:ff21514d8981 4 * the stack where main runs is determined via the RTOS. */
AnnaBridge 156:ff21514d8981 5 STACK_SIZE = 0x400;
AnnaBridge 156:ff21514d8981 6
AnnaBridge 156:ff21514d8981 7 /* This is the guaranteed minimum available heap size for an application. When
AnnaBridge 156:ff21514d8981 8 * uVisor is enabled, this is also the maximum available heap size. The
AnnaBridge 156:ff21514d8981 9 * HEAP_SIZE value is set by uVisor porters to balance the size of the legacy
AnnaBridge 156:ff21514d8981 10 * heap and the page heap in uVisor applications. */
AnnaBridge 156:ff21514d8981 11 HEAP_SIZE = 0x6000;
AnnaBridge 156:ff21514d8981 12
AnnaBridge 156:ff21514d8981 13 #if !defined(MBED_APP_START)
AnnaBridge 156:ff21514d8981 14 #define MBED_APP_START 0x08000000
AnnaBridge 156:ff21514d8981 15 #endif
AnnaBridge 156:ff21514d8981 16
AnnaBridge 156:ff21514d8981 17 #if !defined(MBED_APP_SIZE)
AnnaBridge 156:ff21514d8981 18 #define MBED_APP_SIZE 2048k
AnnaBridge 156:ff21514d8981 19 #endif
AnnaBridge 156:ff21514d8981 20
AnnaBridge 156:ff21514d8981 21 /* Specify the memory areas */
AnnaBridge 156:ff21514d8981 22 MEMORY
AnnaBridge 156:ff21514d8981 23 {
AnnaBridge 156:ff21514d8981 24 VECTORS (rx) : ORIGIN = MBED_APP_START, LENGTH = 0x400
AnnaBridge 156:ff21514d8981 25 FLASH (rx) : ORIGIN = MBED_APP_START + 0x400, LENGTH = MBED_APP_SIZE - 0x400
AnnaBridge 156:ff21514d8981 26 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
AnnaBridge 156:ff21514d8981 27 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 192k
AnnaBridge 156:ff21514d8981 28 }
AnnaBridge 156:ff21514d8981 29
AnnaBridge 156:ff21514d8981 30 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 31 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 32 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 33 * Reset_Handler : Entry of reset handler
AnnaBridge 156:ff21514d8981 34 *
AnnaBridge 156:ff21514d8981 35 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 36 * __exidx_start
AnnaBridge 156:ff21514d8981 37 * __exidx_end
AnnaBridge 156:ff21514d8981 38 * __etext
AnnaBridge 156:ff21514d8981 39 * __data_start__
AnnaBridge 156:ff21514d8981 40 * __preinit_array_start
AnnaBridge 156:ff21514d8981 41 * __preinit_array_end
AnnaBridge 156:ff21514d8981 42 * __init_array_start
AnnaBridge 156:ff21514d8981 43 * __init_array_end
AnnaBridge 156:ff21514d8981 44 * __fini_array_start
AnnaBridge 156:ff21514d8981 45 * __fini_array_end
AnnaBridge 156:ff21514d8981 46 * __data_end__
AnnaBridge 156:ff21514d8981 47 * __bss_start__
AnnaBridge 156:ff21514d8981 48 * __bss_end__
AnnaBridge 156:ff21514d8981 49 * __end__
AnnaBridge 156:ff21514d8981 50 * end
AnnaBridge 156:ff21514d8981 51 * __HeapLimit
AnnaBridge 156:ff21514d8981 52 * __StackLimit
AnnaBridge 156:ff21514d8981 53 * __StackTop
AnnaBridge 156:ff21514d8981 54 * __stack
AnnaBridge 156:ff21514d8981 55 * _estack
AnnaBridge 156:ff21514d8981 56 */
AnnaBridge 156:ff21514d8981 57 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 58
AnnaBridge 156:ff21514d8981 59 SECTIONS
AnnaBridge 156:ff21514d8981 60 {
AnnaBridge 156:ff21514d8981 61 .isr_vector :
AnnaBridge 156:ff21514d8981 62 {
AnnaBridge 156:ff21514d8981 63 __vector_table = .;
AnnaBridge 156:ff21514d8981 64 KEEP(*(.isr_vector))
AnnaBridge 156:ff21514d8981 65 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 66 } > VECTORS
AnnaBridge 156:ff21514d8981 67
AnnaBridge 156:ff21514d8981 68 /* Note: The uVisor expects this section at a fixed location, as specified
AnnaBridge 156:ff21514d8981 69 * by the porting process configuration parameter:
AnnaBridge 156:ff21514d8981 70 * FLASH_OFFSET. */
AnnaBridge 156:ff21514d8981 71 __UVISOR_FLASH_OFFSET = 0x400;
AnnaBridge 156:ff21514d8981 72 __UVISOR_FLASH_START = ORIGIN(VECTORS) + __UVISOR_FLASH_OFFSET;
AnnaBridge 156:ff21514d8981 73 .text __UVISOR_FLASH_START :
AnnaBridge 156:ff21514d8981 74 {
AnnaBridge 156:ff21514d8981 75 /* uVisor code and data */
AnnaBridge 156:ff21514d8981 76 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 77 __uvisor_main_start = .;
AnnaBridge 156:ff21514d8981 78 *(.uvisor.main)
AnnaBridge 156:ff21514d8981 79 __uvisor_main_end = .;
AnnaBridge 156:ff21514d8981 80
AnnaBridge 156:ff21514d8981 81 *(.text*)
AnnaBridge 156:ff21514d8981 82
AnnaBridge 156:ff21514d8981 83 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 84 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 85
AnnaBridge 156:ff21514d8981 86 /* .ctors */
AnnaBridge 156:ff21514d8981 87 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 88 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 89 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 90 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 91 *(.ctors)
AnnaBridge 156:ff21514d8981 92
AnnaBridge 156:ff21514d8981 93 /* .dtors */
AnnaBridge 156:ff21514d8981 94 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 95 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 96 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 97 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 98 *(.dtors)
AnnaBridge 156:ff21514d8981 99
AnnaBridge 156:ff21514d8981 100 *(.rodata*)
AnnaBridge 156:ff21514d8981 101
AnnaBridge 156:ff21514d8981 102 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 103 } > FLASH
AnnaBridge 156:ff21514d8981 104
AnnaBridge 156:ff21514d8981 105 .ARM.extab :
AnnaBridge 156:ff21514d8981 106 {
AnnaBridge 156:ff21514d8981 107 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 108 } > FLASH
AnnaBridge 156:ff21514d8981 109
AnnaBridge 156:ff21514d8981 110 __exidx_start = .;
AnnaBridge 156:ff21514d8981 111
AnnaBridge 156:ff21514d8981 112 .ARM.exidx :
AnnaBridge 156:ff21514d8981 113 {
AnnaBridge 156:ff21514d8981 114 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 115 } > FLASH
AnnaBridge 156:ff21514d8981 116 __exidx_end = .;
AnnaBridge 156:ff21514d8981 117
AnnaBridge 156:ff21514d8981 118 __etext = .;
AnnaBridge 156:ff21514d8981 119 _sidata = .;
AnnaBridge 156:ff21514d8981 120
AnnaBridge 156:ff21514d8981 121 .interrupts_ram :
AnnaBridge 156:ff21514d8981 122 {
AnnaBridge 156:ff21514d8981 123 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 124 __VECTOR_RAM__ = .;
AnnaBridge 156:ff21514d8981 125 __interrupts_ram_start__ = .; /* Create a global symbol at data start */
AnnaBridge 156:ff21514d8981 126 *(.m_interrupts_ram) /* This is a user defined section */
AnnaBridge 156:ff21514d8981 127 . += M_VECTOR_RAM_SIZE;
AnnaBridge 156:ff21514d8981 128 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 129 __interrupts_ram_end__ = .; /* Define a global symbol at data end */
AnnaBridge 156:ff21514d8981 130 } > RAM
AnnaBridge 156:ff21514d8981 131
AnnaBridge 156:ff21514d8981 132 /* uVisor own memory and private box memories
AnnaBridge 156:ff21514d8981 133 /* Note: The uVisor expects this section at a fixed location, as specified
AnnaBridge 156:ff21514d8981 134 by the porting process configuration parameter: SRAM_OFFSET. */
AnnaBridge 156:ff21514d8981 135 __UVISOR_SRAM_OFFSET = 0x0;
AnnaBridge 156:ff21514d8981 136 __UVISOR_SRAM_START = ORIGIN(CCM) + __UVISOR_SRAM_OFFSET;
AnnaBridge 156:ff21514d8981 137 .uvisor.bss __UVISOR_SRAM_START (NOLOAD):
AnnaBridge 156:ff21514d8981 138 {
AnnaBridge 156:ff21514d8981 139 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 140 __uvisor_bss_start = .;
AnnaBridge 156:ff21514d8981 141
AnnaBridge 156:ff21514d8981 142 /* Protected uVisor own BSS section */
AnnaBridge 156:ff21514d8981 143 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 144 __uvisor_bss_main_start = .;
AnnaBridge 156:ff21514d8981 145 KEEP(*(.keep.uvisor.bss.main))
AnnaBridge 156:ff21514d8981 146 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 147 __uvisor_bss_main_end = .;
AnnaBridge 156:ff21514d8981 148
AnnaBridge 156:ff21514d8981 149 /* Protected uVisor boxes' static memories */
AnnaBridge 156:ff21514d8981 150 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 151 __uvisor_bss_boxes_start = .;
AnnaBridge 156:ff21514d8981 152 KEEP(*(.keep.uvisor.bss.boxes))
AnnaBridge 156:ff21514d8981 153 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 154 __uvisor_bss_boxes_end = .;
AnnaBridge 156:ff21514d8981 155
AnnaBridge 156:ff21514d8981 156 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 157 __uvisor_bss_end = .;
AnnaBridge 156:ff21514d8981 158 } > CCM
AnnaBridge 156:ff21514d8981 159
AnnaBridge 156:ff21514d8981 160 /* Heap space for the page allocator
AnnaBridge 156:ff21514d8981 161 /* If uVisor shares the SRAM with the OS/app, ensure that this section is
AnnaBridge 156:ff21514d8981 162 * the first one after the uVisor BSS section. Otherwise, ensure it is the
AnnaBridge 156:ff21514d8981 163 * first one after the VTOR relocation section. */
AnnaBridge 156:ff21514d8981 164 .page_heap (NOLOAD) :
AnnaBridge 156:ff21514d8981 165 {
AnnaBridge 156:ff21514d8981 166 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 167 __uvisor_page_start = .;
AnnaBridge 156:ff21514d8981 168 KEEP(*(.keep.uvisor.page_heap))
AnnaBridge 156:ff21514d8981 169 . = ALIGN((1 << LOG2CEIL(LENGTH(RAM))) / 8);
AnnaBridge 156:ff21514d8981 170 __uvisor_page_end = .;
AnnaBridge 156:ff21514d8981 171 } > RAM
AnnaBridge 156:ff21514d8981 172
AnnaBridge 156:ff21514d8981 173 .data :
AnnaBridge 156:ff21514d8981 174 {
AnnaBridge 156:ff21514d8981 175 PROVIDE( __etext = LOADADDR(.data) );
AnnaBridge 156:ff21514d8981 176
AnnaBridge 156:ff21514d8981 177 __data_start__ = .;
AnnaBridge 156:ff21514d8981 178 _sdata = .;
AnnaBridge 156:ff21514d8981 179 *(vtable)
AnnaBridge 156:ff21514d8981 180 *(.data*)
AnnaBridge 156:ff21514d8981 181
AnnaBridge 156:ff21514d8981 182 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 183 /* preinit data */
AnnaBridge 156:ff21514d8981 184 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 185 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 186 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 187
AnnaBridge 156:ff21514d8981 188 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 189 /* init data */
AnnaBridge 156:ff21514d8981 190 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 156:ff21514d8981 191 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 192 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 193 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 156:ff21514d8981 194
AnnaBridge 156:ff21514d8981 195
AnnaBridge 156:ff21514d8981 196 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 197 /* finit data */
AnnaBridge 156:ff21514d8981 198 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 199 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 200 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 201 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 202
AnnaBridge 156:ff21514d8981 203 KEEP(*(.jcr*))
AnnaBridge 156:ff21514d8981 204 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 205 /* All data end */
AnnaBridge 156:ff21514d8981 206 __data_end__ = .;
AnnaBridge 156:ff21514d8981 207 _edata = .;
AnnaBridge 156:ff21514d8981 208
AnnaBridge 156:ff21514d8981 209 } > RAM AT > FLASH
AnnaBridge 156:ff21514d8981 210
AnnaBridge 156:ff21514d8981 211 /* uVisor configuration section
AnnaBridge 156:ff21514d8981 212 * This section must be located after all other flash regions. */
AnnaBridge 156:ff21514d8981 213 .uvisor.secure :
AnnaBridge 156:ff21514d8981 214 {
AnnaBridge 156:ff21514d8981 215 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 216 __uvisor_secure_start = .;
AnnaBridge 156:ff21514d8981 217
AnnaBridge 156:ff21514d8981 218 /* uVisor secure boxes configuration tables */
AnnaBridge 156:ff21514d8981 219 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 220 __uvisor_cfgtbl_start = .;
AnnaBridge 156:ff21514d8981 221 KEEP(*(.keep.uvisor.cfgtbl))
AnnaBridge 156:ff21514d8981 222 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 223 __uvisor_cfgtbl_end = .;
AnnaBridge 156:ff21514d8981 224
AnnaBridge 156:ff21514d8981 225 /* Pointers to the uVisor secure boxes configuration tables */
AnnaBridge 156:ff21514d8981 226 /* Note: Do not add any further alignment here, as uVisor will need to
AnnaBridge 156:ff21514d8981 227 * have access to the exact list of pointers. */
AnnaBridge 156:ff21514d8981 228 __uvisor_cfgtbl_ptr_start = .;
AnnaBridge 156:ff21514d8981 229 KEEP(*(.keep.uvisor.cfgtbl_ptr_first))
AnnaBridge 156:ff21514d8981 230 KEEP(*(.keep.uvisor.cfgtbl_ptr))
AnnaBridge 156:ff21514d8981 231 __uvisor_cfgtbl_ptr_end = .;
AnnaBridge 156:ff21514d8981 232
AnnaBridge 156:ff21514d8981 233 /* Pointers to all boxes register gateways. These are grouped here to
AnnaBridge 156:ff21514d8981 234 allow discoverability and firmware verification. */
AnnaBridge 156:ff21514d8981 235 __uvisor_register_gateway_ptr_start = .;
AnnaBridge 156:ff21514d8981 236 KEEP(*(.keep.uvisor.register_gateway_ptr))
AnnaBridge 156:ff21514d8981 237 __uvisor_register_gateway_ptr_end = .;
AnnaBridge 156:ff21514d8981 238
AnnaBridge 156:ff21514d8981 239 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 240 __uvisor_secure_end = .;
AnnaBridge 156:ff21514d8981 241 } > FLASH
AnnaBridge 156:ff21514d8981 242
AnnaBridge 156:ff21514d8981 243 /* Uninitialized data section
AnnaBridge 156:ff21514d8981 244 * This region is not initialized by the C/C++ library and can be used to
AnnaBridge 156:ff21514d8981 245 * store state across soft reboots. */
AnnaBridge 156:ff21514d8981 246 .uninitialized (NOLOAD):
AnnaBridge 156:ff21514d8981 247 {
AnnaBridge 156:ff21514d8981 248 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 249 __uninitialized_start = .;
AnnaBridge 156:ff21514d8981 250 *(.uninitialized)
AnnaBridge 156:ff21514d8981 251 KEEP(*(.keep.uninitialized))
AnnaBridge 156:ff21514d8981 252 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 253 __uninitialized_end = .;
AnnaBridge 156:ff21514d8981 254 } > RAM
AnnaBridge 156:ff21514d8981 255
AnnaBridge 156:ff21514d8981 256 .bss (NOLOAD):
AnnaBridge 156:ff21514d8981 257 {
AnnaBridge 156:ff21514d8981 258 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 259 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 260 _sbss = .;
AnnaBridge 156:ff21514d8981 261 *(.bss*)
AnnaBridge 156:ff21514d8981 262 *(COMMON)
AnnaBridge 156:ff21514d8981 263 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 264 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 265 _ebss = .;
AnnaBridge 156:ff21514d8981 266 } > RAM
AnnaBridge 156:ff21514d8981 267
AnnaBridge 156:ff21514d8981 268 .heap (NOLOAD):
AnnaBridge 156:ff21514d8981 269 {
AnnaBridge 156:ff21514d8981 270 __uvisor_heap_start = .;
AnnaBridge 156:ff21514d8981 271 __end__ = .;
AnnaBridge 156:ff21514d8981 272 end = __end__;
AnnaBridge 156:ff21514d8981 273 . += HEAP_SIZE;
AnnaBridge 156:ff21514d8981 274 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 275 __uvisor_heap_end = .;
AnnaBridge 156:ff21514d8981 276 } > RAM
AnnaBridge 156:ff21514d8981 277
AnnaBridge 156:ff21514d8981 278 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 279 __stack = __StackTop;
AnnaBridge 156:ff21514d8981 280 __StackLimit = __StackTop - STACK_SIZE;
AnnaBridge 156:ff21514d8981 281
AnnaBridge 156:ff21514d8981 282 ASSERT(__StackLimit >= __HeapLimit, "Region RAM overflowed with stack and heap")
AnnaBridge 156:ff21514d8981 283
AnnaBridge 156:ff21514d8981 284 /* Provide physical memory boundaries for uVisor. */
AnnaBridge 156:ff21514d8981 285 __uvisor_flash_start = ORIGIN(VECTORS);
AnnaBridge 156:ff21514d8981 286 __uvisor_flash_end = ORIGIN(FLASH) + LENGTH(FLASH);
AnnaBridge 156:ff21514d8981 287 __uvisor_sram_start = ORIGIN(CCM);
AnnaBridge 156:ff21514d8981 288 __uvisor_sram_end = ORIGIN(CCM) + LENGTH(CCM);
AnnaBridge 156:ff21514d8981 289 __uvisor_public_sram_start = ORIGIN(RAM);
AnnaBridge 156:ff21514d8981 290 __uvisor_public_sram_end = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 291 }