mbed official / mbed

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@140:97feb9bacc10, 2017-04-12 (annotated)

Committer:
<>
Date:
Wed Apr 12 16:07:08 2017 +0100
Revision:
140:97feb9bacc10
Parent:
130:d75b3fe1f5cb
Child:
141:794e51388b66
Release 140 of the mbed library



Ports for Upcoming Targets



3841: Add nRf52840 target https://github.com/ARMmbed/mbed-os/pull/3841

3992: Introducing UBLOX_C030 platform. https://github.com/ARMmbed/mbed-os/pull/3992



Fixes and Changes



3951: [NUCLEO_F303ZE] Correct ARDUINO pin https://github.com/ARMmbed/mbed-os/pull/3951

4021: Fixing a macro to detect when RTOS was in use for the NRF52840_DK https://github.com/ARMmbed/mbed-os/pull/4021

3979: KW24D: Add missing SPI defines and Arduino connector definitions https://github.com/ARMmbed/mbed-os/pull/3979

3990: UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the  https://github.com/ARMmbed/mbed-os/pull/3990

4003: Fixed OBOE in async serial tx for NRF52 target, fixes #4002 https://github.com/ARMmbed/mbed-os/pull/4003

4012: STM32: Correct I2C master error handling https://github.com/ARMmbed/mbed-os/pull/4012

4020: NUCLEO_L011K4 remove unsupported tool chain files https://github.com/ARMmbed/mbed-os/pull/4020

4065: K66F: Move bss section to m_data_2 Section https://github.com/ARMmbed/mbed-os/pull/4065

4014: Issue 3763: Reduce heap allocation in the GCC linker file https://github.com/ARMmbed/mbed-os/pull/4014

4030: [STM32L0] reduce IAR heap and stack size for small targets https://github.com/ARMmbed/mbed-os/pull/4030

4109: NUCLEO_L476RG : minor serial pin update https://github.com/ARMmbed/mbed-os/pull/4109

3982: Ticker - kl25z bugfix for handling events in the past https://github.com/ARMmbed/mbed-os/pull/3982

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