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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_NUMAKER_PFM_M453/TOOLCHAIN_GCC_ARM/M453.ld@143:86740a56073b, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:30:20 2017 +0100
Revision:
143:86740a56073b
Parent:
141:794e51388b66 
Release 143 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 128:9bcdf88f62b0 1 /*
<> 128:9bcdf88f62b0 2 * Nuvoton M453 GCC linker script file
<> 128:9bcdf88f62b0 3 */
<> 128:9bcdf88f62b0 4
Anna Bridge 141:794e51388b66 5 #if !defined(MBED_APP_START)
Anna Bridge 141:794e51388b66 6 #define MBED_APP_START 0x00000000
Anna Bridge 141:794e51388b66 7 #endif
Anna Bridge 141:794e51388b66 8
Anna Bridge 141:794e51388b66 9 #if !defined(MBED_APP_SIZE)
Anna Bridge 141:794e51388b66 10 #define MBED_APP_SIZE 0x00040000
Anna Bridge 141:794e51388b66 11 #endif
Anna Bridge 141:794e51388b66 12
<> 130:d75b3fe1f5cb 13 StackSize = 0x800;
<> 128:9bcdf88f62b0 14
<> 128:9bcdf88f62b0 15 MEMORY
<> 128:9bcdf88f62b0 16 {
Anna Bridge 141:794e51388b66 17 VECTORS (rx) : ORIGIN = MBED_APP_START, LENGTH = 0x00000400
Anna Bridge 141:794e51388b66 18 FLASH (rx) : ORIGIN = MBED_APP_START + 0x400, LENGTH = MBED_APP_SIZE - 0x00000400
<> 128:9bcdf88f62b0 19 RAM_INTERN (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 - 0x00000000
<> 128:9bcdf88f62b0 20 }
<> 128:9bcdf88f62b0 21
<> 128:9bcdf88f62b0 22 /**
<> 128:9bcdf88f62b0 23 * Must match cmsis_nvic.h
<> 128:9bcdf88f62b0 24 */
<> 128:9bcdf88f62b0 25 __vector_size = 4 * (16 + 64);
<> 128:9bcdf88f62b0 26
<> 128:9bcdf88f62b0 27
<> 128:9bcdf88f62b0 28 /* Linker script to place sections and symbol values. Should be used together
<> 128:9bcdf88f62b0 29 * with other linker script that defines memory regions FLASH and RAM.
<> 128:9bcdf88f62b0 30 * It references following symbols, which must be defined in code:
<> 128:9bcdf88f62b0 31 * Reset_Handler : Entry of reset handler
<> 128:9bcdf88f62b0 32 *
<> 128:9bcdf88f62b0 33 * It defines following symbols, which code can use without definition:
<> 128:9bcdf88f62b0 34 * __exidx_start
<> 128:9bcdf88f62b0 35 * __exidx_end
<> 128:9bcdf88f62b0 36 * __etext
<> 128:9bcdf88f62b0 37 * __data_start__
<> 128:9bcdf88f62b0 38 * __preinit_array_start
<> 128:9bcdf88f62b0 39 * __preinit_array_end
<> 128:9bcdf88f62b0 40 * __init_array_start
<> 128:9bcdf88f62b0 41 * __init_array_end
<> 128:9bcdf88f62b0 42 * __fini_array_start
<> 128:9bcdf88f62b0 43 * __fini_array_end
<> 128:9bcdf88f62b0 44 * __data_end__
<> 128:9bcdf88f62b0 45 * __bss_start__
<> 128:9bcdf88f62b0 46 * __bss_end__
<> 128:9bcdf88f62b0 47 * __end__
<> 128:9bcdf88f62b0 48 * end
<> 128:9bcdf88f62b0 49 * __HeapLimit
<> 128:9bcdf88f62b0 50 * __StackLimit
<> 128:9bcdf88f62b0 51 * __StackTop
<> 128:9bcdf88f62b0 52 * __stack
<> 128:9bcdf88f62b0 53 */
<> 128:9bcdf88f62b0 54 ENTRY(Reset_Handler)
<> 128:9bcdf88f62b0 55
<> 128:9bcdf88f62b0 56 SECTIONS
<> 128:9bcdf88f62b0 57 {
<> 128:9bcdf88f62b0 58 .isr_vector :
<> 128:9bcdf88f62b0 59 {
<> 128:9bcdf88f62b0 60 __vector_table = .;
<> 128:9bcdf88f62b0 61 KEEP(*(.vector_table))
<> 128:9bcdf88f62b0 62 . = ALIGN(4);
<> 128:9bcdf88f62b0 63 } > VECTORS
<> 128:9bcdf88f62b0 64
<> 128:9bcdf88f62b0 65 /* ensure that uvisor bss is at the beginning of memory */
<> 128:9bcdf88f62b0 66 .uvisor.bss (NOLOAD):
<> 128:9bcdf88f62b0 67 {
<> 128:9bcdf88f62b0 68 . = ALIGN(32);
<> 128:9bcdf88f62b0 69 __uvisor_bss_start = .;
<> 128:9bcdf88f62b0 70
<> 128:9bcdf88f62b0 71 /* protected uvisor main bss */
<> 128:9bcdf88f62b0 72 . = ALIGN(32);
<> 128:9bcdf88f62b0 73 __uvisor_bss_main_start = .;
<> 128:9bcdf88f62b0 74 KEEP(*(.keep.uvisor.bss.main))
<> 128:9bcdf88f62b0 75 . = ALIGN(32);
<> 128:9bcdf88f62b0 76 __uvisor_bss_main_end = .;
<> 128:9bcdf88f62b0 77
<> 128:9bcdf88f62b0 78 /* protected uvisor secure boxes bss */
<> 128:9bcdf88f62b0 79 . = ALIGN(32);
<> 128:9bcdf88f62b0 80 __uvisor_bss_boxes_start = .;
<> 128:9bcdf88f62b0 81 KEEP(*(.keep.uvisor.bss.boxes))
<> 128:9bcdf88f62b0 82 . = ALIGN(32);
<> 128:9bcdf88f62b0 83 __uvisor_bss_boxes_end = .;
<> 128:9bcdf88f62b0 84
<> 128:9bcdf88f62b0 85 /* Ensure log2(size) alignment of the uvisor region, to ensure that the region can be effectively protected by the MPU. */
<> 128:9bcdf88f62b0 86 . = ALIGN(1 << LOG2CEIL(__uvisor_bss_boxes_end - __uvisor_bss_start));
<> 128:9bcdf88f62b0 87 __uvisor_bss_end = .;
<> 128:9bcdf88f62b0 88 } > RAM_INTERN
<> 128:9bcdf88f62b0 89
<> 128:9bcdf88f62b0 90 .text :
<> 128:9bcdf88f62b0 91 {
<> 128:9bcdf88f62b0 92 /* uVisor code and data */
<> 128:9bcdf88f62b0 93 . = ALIGN(4);
<> 128:9bcdf88f62b0 94 __uvisor_main_start = .;
<> 128:9bcdf88f62b0 95 *(.uvisor.main)
<> 128:9bcdf88f62b0 96 __uvisor_main_end = .;
<> 128:9bcdf88f62b0 97
<> 128:9bcdf88f62b0 98 *(.text*)
<> 128:9bcdf88f62b0 99
<> 128:9bcdf88f62b0 100 KEEP(*(.init))
<> 128:9bcdf88f62b0 101 KEEP(*(.fini))
<> 128:9bcdf88f62b0 102
<> 128:9bcdf88f62b0 103 /* .ctors */
<> 128:9bcdf88f62b0 104 *crtbegin.o(.ctors)
<> 128:9bcdf88f62b0 105 *crtbegin?.o(.ctors)
<> 128:9bcdf88f62b0 106 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
<> 128:9bcdf88f62b0 107 *(SORT(.ctors.*))
<> 128:9bcdf88f62b0 108 *(.ctors)
<> 128:9bcdf88f62b0 109
<> 128:9bcdf88f62b0 110 /* .dtors */
<> 128:9bcdf88f62b0 111 *crtbegin.o(.dtors)
<> 128:9bcdf88f62b0 112 *crtbegin?.o(.dtors)
<> 128:9bcdf88f62b0 113 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
<> 128:9bcdf88f62b0 114 *(SORT(.dtors.*))
<> 128:9bcdf88f62b0 115 *(.dtors)
<> 128:9bcdf88f62b0 116
<> 128:9bcdf88f62b0 117 *(.rodata*)
<> 128:9bcdf88f62b0 118
<> 128:9bcdf88f62b0 119 KEEP(*(.eh_frame*))
<> 128:9bcdf88f62b0 120 } > FLASH
<> 128:9bcdf88f62b0 121
<> 128:9bcdf88f62b0 122 .ARM.extab :
<> 128:9bcdf88f62b0 123 {
<> 128:9bcdf88f62b0 124 *(.ARM.extab* .gnu.linkonce.armextab.*)
<> 128:9bcdf88f62b0 125 } > FLASH
<> 128:9bcdf88f62b0 126
<> 128:9bcdf88f62b0 127 .ARM.exidx :
<> 128:9bcdf88f62b0 128 {
<> 128:9bcdf88f62b0 129 __exidx_start = .;
<> 128:9bcdf88f62b0 130 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
<> 128:9bcdf88f62b0 131 __exidx_end = .;
<> 128:9bcdf88f62b0 132 } > FLASH
<> 128:9bcdf88f62b0 133
<> 128:9bcdf88f62b0 134 /* .stack section doesn't contains any symbols. It is only
<> 128:9bcdf88f62b0 135 * used for linker to reserve space for the main stack section
<> 128:9bcdf88f62b0 136 * WARNING: .stack should come immediately after the last secure memory
<> 128:9bcdf88f62b0 137 * section. This provides stack overflow detection. */
<> 128:9bcdf88f62b0 138 .stack (NOLOAD):
<> 128:9bcdf88f62b0 139 {
<> 128:9bcdf88f62b0 140 __StackLimit = .;
<> 128:9bcdf88f62b0 141 *(.stack*);
<> 128:9bcdf88f62b0 142 . += StackSize - (. - __StackLimit);
<> 128:9bcdf88f62b0 143 } > RAM_INTERN
<> 128:9bcdf88f62b0 144
<> 128:9bcdf88f62b0 145 /* Set stack top to end of RAM, and stack limit move down by
<> 128:9bcdf88f62b0 146 * size of stack_dummy section */
<> 128:9bcdf88f62b0 147 __StackTop = ADDR(.stack) + SIZEOF(.stack);
<> 128:9bcdf88f62b0 148 __StackLimit = ADDR(.stack);
<> 128:9bcdf88f62b0 149 PROVIDE(__stack = __StackTop);
<> 128:9bcdf88f62b0 150
<> 128:9bcdf88f62b0 151 /* Relocate vector table in SRAM */
<> 128:9bcdf88f62b0 152 .isr_vector.reloc (NOLOAD) :
<> 128:9bcdf88f62b0 153 {
<> 128:9bcdf88f62b0 154 . = ALIGN(1 << LOG2CEIL(__vector_size));
<> 128:9bcdf88f62b0 155 PROVIDE(__start_vector_table__ = .);
<> 128:9bcdf88f62b0 156 . += __vector_size;
<> 128:9bcdf88f62b0 157 PROVIDE(__end_vector_table__ = .);
<> 128:9bcdf88f62b0 158 } > RAM_INTERN
<> 128:9bcdf88f62b0 159
<> 128:9bcdf88f62b0 160 .data :
<> 128:9bcdf88f62b0 161 {
<> 128:9bcdf88f62b0 162 PROVIDE( __etext = LOADADDR(.data) );
<> 128:9bcdf88f62b0 163
<> 128:9bcdf88f62b0 164 __data_start__ = .;
<> 128:9bcdf88f62b0 165 *(vtable)
<> 128:9bcdf88f62b0 166 *(.data*)
<> 128:9bcdf88f62b0 167
<> 128:9bcdf88f62b0 168 . = ALIGN(4);
<> 128:9bcdf88f62b0 169 /* preinit data */
<> 128:9bcdf88f62b0 170 PROVIDE_HIDDEN (__preinit_array_start = .);
<> 128:9bcdf88f62b0 171 KEEP(*(.preinit_array))
<> 128:9bcdf88f62b0 172 PROVIDE_HIDDEN (__preinit_array_end = .);
<> 128:9bcdf88f62b0 173
<> 128:9bcdf88f62b0 174 . = ALIGN(4);
<> 128:9bcdf88f62b0 175 /* init data */
<> 128:9bcdf88f62b0 176 PROVIDE_HIDDEN (__init_array_start = .);
<> 128:9bcdf88f62b0 177 KEEP(*(SORT(.init_array.*)))
<> 128:9bcdf88f62b0 178 KEEP(*(.init_array))
<> 128:9bcdf88f62b0 179 PROVIDE_HIDDEN (__init_array_end = .);
<> 128:9bcdf88f62b0 180
<> 128:9bcdf88f62b0 181 . = ALIGN(4);
<> 128:9bcdf88f62b0 182 /* finit data */
<> 128:9bcdf88f62b0 183 PROVIDE_HIDDEN (__fini_array_start = .);
<> 128:9bcdf88f62b0 184 KEEP(*(SORT(.fini_array.*)))
<> 128:9bcdf88f62b0 185 KEEP(*(.fini_array))
<> 128:9bcdf88f62b0 186 PROVIDE_HIDDEN (__fini_array_end = .);
<> 128:9bcdf88f62b0 187
<> 128:9bcdf88f62b0 188 /* All data end */
<> 128:9bcdf88f62b0 189 . = ALIGN(32);
<> 128:9bcdf88f62b0 190 __data_end__ = .;
<> 128:9bcdf88f62b0 191
<> 128:9bcdf88f62b0 192 } >RAM_INTERN AT>FLASH
<> 128:9bcdf88f62b0 193
<> 128:9bcdf88f62b0 194 /* uvisor configuration data */
<> 128:9bcdf88f62b0 195 .uvisor.secure :
<> 128:9bcdf88f62b0 196 {
<> 128:9bcdf88f62b0 197 . = ALIGN(32);
<> 128:9bcdf88f62b0 198 __uvisor_secure_start = .;
<> 128:9bcdf88f62b0 199
<> 128:9bcdf88f62b0 200 /* uvisor secure boxes configuration tables */
<> 128:9bcdf88f62b0 201 . = ALIGN(32);
<> 128:9bcdf88f62b0 202 __uvisor_cfgtbl_start = .;
<> 128:9bcdf88f62b0 203 KEEP(*(.keep.uvisor.cfgtbl))
<> 128:9bcdf88f62b0 204 . = ALIGN(32);
<> 128:9bcdf88f62b0 205 __uvisor_cfgtbl_end = .;
<> 128:9bcdf88f62b0 206
<> 128:9bcdf88f62b0 207 /* pointers to uvisor secure boxes configuration tables */
<> 128:9bcdf88f62b0 208 /* note: no further alignment here, we need to have the exact list of pointers */
<> 128:9bcdf88f62b0 209 __uvisor_cfgtbl_ptr_start = .;
<> 128:9bcdf88f62b0 210 KEEP(*(.keep.uvisor.cfgtbl_ptr_first))
<> 128:9bcdf88f62b0 211 KEEP(*(.keep.uvisor.cfgtbl_ptr))
<> 128:9bcdf88f62b0 212 __uvisor_cfgtbl_ptr_end = .;
<> 128:9bcdf88f62b0 213
<> 128:9bcdf88f62b0 214 /* the following symbols are kept for backward compatibility and will be soon
<> 128:9bcdf88f62b0 215 * deprecated; applications actively using uVisor (__uvisor_mode == UVISOR_ENABLED)
<> 128:9bcdf88f62b0 216 * will need to use uVisor 0.8.x or above, or the security assertions will halt the
<> 128:9bcdf88f62b0 217 * system */
<> 128:9bcdf88f62b0 218 /************************/
<> 128:9bcdf88f62b0 219 __uvisor_data_src = .;
<> 128:9bcdf88f62b0 220 __uvisor_data_start = .;
<> 128:9bcdf88f62b0 221 __uvisor_data_end = .;
<> 128:9bcdf88f62b0 222 /************************/
<> 128:9bcdf88f62b0 223
<> 128:9bcdf88f62b0 224 . = ALIGN(32);
<> 128:9bcdf88f62b0 225 __uvisor_secure_end = .;
<> 128:9bcdf88f62b0 226 } >FLASH
<> 128:9bcdf88f62b0 227
<> 128:9bcdf88f62b0 228 .uninitialized (NOLOAD):
<> 128:9bcdf88f62b0 229 {
<> 128:9bcdf88f62b0 230 . = ALIGN(32);
<> 128:9bcdf88f62b0 231 __uninitialized_start = .;
<> 128:9bcdf88f62b0 232 *(.uninitialized)
<> 128:9bcdf88f62b0 233 KEEP(*(.keep.uninitialized))
<> 128:9bcdf88f62b0 234 . = ALIGN(32);
<> 128:9bcdf88f62b0 235 __uninitialized_end = .;
<> 128:9bcdf88f62b0 236 } > RAM_INTERN
<> 128:9bcdf88f62b0 237
<> 128:9bcdf88f62b0 238 .bss (NOLOAD):
<> 128:9bcdf88f62b0 239 {
<> 128:9bcdf88f62b0 240 __bss_start__ = .;
<> 128:9bcdf88f62b0 241 *(.bss*)
<> 128:9bcdf88f62b0 242 *(COMMON)
<> 128:9bcdf88f62b0 243 __bss_end__ = .;
<> 128:9bcdf88f62b0 244 } > RAM_INTERN
<> 128:9bcdf88f62b0 245
<> 128:9bcdf88f62b0 246 .heap (NOLOAD):
<> 128:9bcdf88f62b0 247 {
<> 128:9bcdf88f62b0 248 __end__ = .;
<> 128:9bcdf88f62b0 249 end = __end__;
<> 128:9bcdf88f62b0 250 *(.heap*);
<> 128:9bcdf88f62b0 251 . += (ORIGIN(RAM_INTERN) + LENGTH(RAM_INTERN) - .);
<> 128:9bcdf88f62b0 252 __HeapLimit = .;
<> 128:9bcdf88f62b0 253 } > RAM_INTERN
<> 128:9bcdf88f62b0 254 PROVIDE(__heap_size = SIZEOF(.heap));
<> 128:9bcdf88f62b0 255 PROVIDE(__mbed_sbrk_start = ADDR(.heap));
<> 128:9bcdf88f62b0 256 PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
<> 128:9bcdf88f62b0 257
<> 128:9bcdf88f62b0 258 /* Provide physical memory boundaries for uVisor. */
<> 128:9bcdf88f62b0 259 __uvisor_flash_start = ORIGIN(VECTORS);
<> 128:9bcdf88f62b0 260 __uvisor_flash_end = ORIGIN(FLASH) + LENGTH(FLASH);
<> 128:9bcdf88f62b0 261 __uvisor_sram_start = ORIGIN(RAM_INTERN);
<> 128:9bcdf88f62b0 262 __uvisor_sram_end = ORIGIN(RAM_INTERN) + LENGTH(RAM_INTERN);
<> 128:9bcdf88f62b0 263 }