mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_DISCO_F469NI/TOOLCHAIN_GCC_ARM/STM32F469XI.ld@140:97feb9bacc10, 2017-04-12 (annotated)

Committer:
<>
Date:
Wed Apr 12 16:07:08 2017 +0100
Revision:
140:97feb9bacc10
Parent:
110:165afa46840b
Child:
171:3a7713b1edbc
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
Kojto 110:165afa46840b 1 /* Linker script to configure memory regions. */
Kojto 110:165afa46840b 2 MEMORY
Kojto 110:165afa46840b 3 {
Kojto 110:165afa46840b 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2M
Kojto 110:165afa46840b 5 RAM (rwx) : ORIGIN = 0x200001B4, LENGTH = 320k - 0x1B4
Kojto 110:165afa46840b 6 }
Kojto 110:165afa46840b 7
Kojto 110:165afa46840b 8 /* Linker script to place sections and symbol values. Should be used together
Kojto 110:165afa46840b 9 * with other linker script that defines memory regions FLASH and RAM.
Kojto 110:165afa46840b 10 * It references following symbols, which must be defined in code:
Kojto 110:165afa46840b 11 * Reset_Handler : Entry of reset handler
Kojto 110:165afa46840b 12 *
Kojto 110:165afa46840b 13 * It defines following symbols, which code can use without definition:
Kojto 110:165afa46840b 14 * __exidx_start
Kojto 110:165afa46840b 15 * __exidx_end
Kojto 110:165afa46840b 16 * __etext
Kojto 110:165afa46840b 17 * __data_start__
Kojto 110:165afa46840b 18 * __preinit_array_start
Kojto 110:165afa46840b 19 * __preinit_array_end
Kojto 110:165afa46840b 20 * __init_array_start
Kojto 110:165afa46840b 21 * __init_array_end
Kojto 110:165afa46840b 22 * __fini_array_start
Kojto 110:165afa46840b 23 * __fini_array_end
Kojto 110:165afa46840b 24 * __data_end__
Kojto 110:165afa46840b 25 * __bss_start__
Kojto 110:165afa46840b 26 * __bss_end__
Kojto 110:165afa46840b 27 * __end__
Kojto 110:165afa46840b 28 * end
Kojto 110:165afa46840b 29 * __HeapLimit
Kojto 110:165afa46840b 30 * __StackLimit
Kojto 110:165afa46840b 31 * __StackTop
Kojto 110:165afa46840b 32 * __stack
Kojto 110:165afa46840b 33 * _estack
Kojto 110:165afa46840b 34 */
Kojto 110:165afa46840b 35 ENTRY(Reset_Handler)
Kojto 110:165afa46840b 36
Kojto 110:165afa46840b 37 SECTIONS
Kojto 110:165afa46840b 38 {
Kojto 110:165afa46840b 39 .text :
Kojto 110:165afa46840b 40 {
Kojto 110:165afa46840b 41 KEEP(*(.isr_vector))
Kojto 110:165afa46840b 42 *(.text*)
Kojto 110:165afa46840b 43 KEEP(*(.init))
Kojto 110:165afa46840b 44 KEEP(*(.fini))
Kojto 110:165afa46840b 45
Kojto 110:165afa46840b 46 /* .ctors */
Kojto 110:165afa46840b 47 *crtbegin.o(.ctors)
Kojto 110:165afa46840b 48 *crtbegin?.o(.ctors)
Kojto 110:165afa46840b 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
Kojto 110:165afa46840b 50 *(SORT(.ctors.*))
Kojto 110:165afa46840b 51 *(.ctors)
Kojto 110:165afa46840b 52
Kojto 110:165afa46840b 53 /* .dtors */
Kojto 110:165afa46840b 54 *crtbegin.o(.dtors)
Kojto 110:165afa46840b 55 *crtbegin?.o(.dtors)
Kojto 110:165afa46840b 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
Kojto 110:165afa46840b 57 *(SORT(.dtors.*))
Kojto 110:165afa46840b 58 *(.dtors)
Kojto 110:165afa46840b 59
Kojto 110:165afa46840b 60 *(.rodata*)
Kojto 110:165afa46840b 61
Kojto 110:165afa46840b 62 KEEP(*(.eh_frame*))
Kojto 110:165afa46840b 63 } > FLASH
Kojto 110:165afa46840b 64
Kojto 110:165afa46840b 65 .ARM.extab :
Kojto 110:165afa46840b 66 {
Kojto 110:165afa46840b 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
Kojto 110:165afa46840b 68 } > FLASH
Kojto 110:165afa46840b 69
Kojto 110:165afa46840b 70 __exidx_start = .;
Kojto 110:165afa46840b 71 .ARM.exidx :
Kojto 110:165afa46840b 72 {
Kojto 110:165afa46840b 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
Kojto 110:165afa46840b 74 } > FLASH
Kojto 110:165afa46840b 75 __exidx_end = .;
Kojto 110:165afa46840b 76
Kojto 110:165afa46840b 77 __etext = .;
Kojto 110:165afa46840b 78 _sidata = .;
Kojto 110:165afa46840b 79
Kojto 110:165afa46840b 80 .data : AT (__etext)
Kojto 110:165afa46840b 81 {
Kojto 110:165afa46840b 82 __data_start__ = .;
Kojto 110:165afa46840b 83 _sdata = .;
Kojto 110:165afa46840b 84 *(vtable)
Kojto 110:165afa46840b 85 *(.data*)
Kojto 110:165afa46840b 86
Kojto 110:165afa46840b 87 . = ALIGN(4);
Kojto 110:165afa46840b 88 /* preinit data */
Kojto 110:165afa46840b 89 PROVIDE_HIDDEN (__preinit_array_start = .);
Kojto 110:165afa46840b 90 KEEP(*(.preinit_array))
Kojto 110:165afa46840b 91 PROVIDE_HIDDEN (__preinit_array_end = .);
Kojto 110:165afa46840b 92
Kojto 110:165afa46840b 93 . = ALIGN(4);
Kojto 110:165afa46840b 94 /* init data */
Kojto 110:165afa46840b 95 PROVIDE_HIDDEN (__init_array_start = .);
Kojto 110:165afa46840b 96 KEEP(*(SORT(.init_array.*)))
Kojto 110:165afa46840b 97 KEEP(*(.init_array))
Kojto 110:165afa46840b 98 PROVIDE_HIDDEN (__init_array_end = .);
Kojto 110:165afa46840b 99
Kojto 110:165afa46840b 100
Kojto 110:165afa46840b 101 . = ALIGN(4);
Kojto 110:165afa46840b 102 /* finit data */
Kojto 110:165afa46840b 103 PROVIDE_HIDDEN (__fini_array_start = .);
Kojto 110:165afa46840b 104 KEEP(*(SORT(.fini_array.*)))
Kojto 110:165afa46840b 105 KEEP(*(.fini_array))
Kojto 110:165afa46840b 106 PROVIDE_HIDDEN (__fini_array_end = .);
Kojto 110:165afa46840b 107
Kojto 110:165afa46840b 108 KEEP(*(.jcr*))
Kojto 110:165afa46840b 109 . = ALIGN(4);
Kojto 110:165afa46840b 110 /* All data end */
Kojto 110:165afa46840b 111 __data_end__ = .;
Kojto 110:165afa46840b 112 _edata = .;
Kojto 110:165afa46840b 113
Kojto 110:165afa46840b 114 } > RAM
Kojto 110:165afa46840b 115
Kojto 110:165afa46840b 116 .bss :
Kojto 110:165afa46840b 117 {
Kojto 110:165afa46840b 118 . = ALIGN(4);
Kojto 110:165afa46840b 119 __bss_start__ = .;
Kojto 110:165afa46840b 120 _sbss = .;
Kojto 110:165afa46840b 121 *(.bss*)
Kojto 110:165afa46840b 122 *(COMMON)
Kojto 110:165afa46840b 123 . = ALIGN(4);
Kojto 110:165afa46840b 124 __bss_end__ = .;
Kojto 110:165afa46840b 125 _ebss = .;
Kojto 110:165afa46840b 126 } > RAM
Kojto 110:165afa46840b 127
Kojto 110:165afa46840b 128 .heap (COPY):
Kojto 110:165afa46840b 129 {
Kojto 110:165afa46840b 130 __end__ = .;
Kojto 110:165afa46840b 131 end = __end__;
Kojto 110:165afa46840b 132 *(.heap*)
Kojto 110:165afa46840b 133 __HeapLimit = .;
Kojto 110:165afa46840b 134 } > RAM
Kojto 110:165afa46840b 135
Kojto 110:165afa46840b 136 /* .stack_dummy section doesn't contains any symbols. It is only
Kojto 110:165afa46840b 137 * used for linker to calculate size of stack sections, and assign
Kojto 110:165afa46840b 138 * values to stack symbols later */
Kojto 110:165afa46840b 139 .stack_dummy (COPY):
Kojto 110:165afa46840b 140 {
Kojto 110:165afa46840b 141 *(.stack*)
Kojto 110:165afa46840b 142 } > RAM
Kojto 110:165afa46840b 143
Kojto 110:165afa46840b 144 /* Set stack top to end of RAM, and stack limit move down by
Kojto 110:165afa46840b 145 * size of stack_dummy section */
Kojto 110:165afa46840b 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
Kojto 110:165afa46840b 147 _estack = __StackTop;
Kojto 110:165afa46840b 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
Kojto 110:165afa46840b 149 PROVIDE(__stack = __StackTop);
Kojto 110:165afa46840b 150
Kojto 110:165afa46840b 151 /* Check if data + heap + stack exceeds RAM limit */
Kojto 110:165afa46840b 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
Kojto 110:165afa46840b 153 }