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_LPC4088/TOOLCHAIN_GCC_ARM/LPC4088.ld@169:a7c7b631e539, 2018-06-22 (annotated)

Committer:
Anna Bridge
Date:
Fri Jun 22 15:38:59 2018 +0100
Revision:
169:a7c7b631e539
Parent:
156:ff21514d8981
Child:
171:3a7713b1edbc
mbed library. Release version 162

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* Linker script for mbed LPC1768 */
AnnaBridge 156:ff21514d8981 2
AnnaBridge 156:ff21514d8981 3 /* Linker script to configure memory regions. */
AnnaBridge 156:ff21514d8981 4 MEMORY
AnnaBridge 156:ff21514d8981 5 {
AnnaBridge 156:ff21514d8981 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
AnnaBridge 156:ff21514d8981 7 RAM (rwx) : ORIGIN = 0x100000E8, LENGTH = (64K - 0xE8)
AnnaBridge 156:ff21514d8981 8
AnnaBridge 156:ff21514d8981 9 USB_RAM(rwx) : ORIGIN = 0x20000000, LENGTH = 16K
AnnaBridge 156:ff21514d8981 10 ETH_RAM(rwx) : ORIGIN = 0x20004000, LENGTH = 16K
AnnaBridge 156:ff21514d8981 11 }
AnnaBridge 156:ff21514d8981 12
AnnaBridge 156:ff21514d8981 13 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 14 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 15 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 16 * Reset_Handler : Entry of reset handler
AnnaBridge 156:ff21514d8981 17 *
AnnaBridge 156:ff21514d8981 18 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 19 * __exidx_start
AnnaBridge 156:ff21514d8981 20 * __exidx_end
AnnaBridge 156:ff21514d8981 21 * __etext
AnnaBridge 156:ff21514d8981 22 * __data_start__
AnnaBridge 156:ff21514d8981 23 * __preinit_array_start
AnnaBridge 156:ff21514d8981 24 * __preinit_array_end
AnnaBridge 156:ff21514d8981 25 * __init_array_start
AnnaBridge 156:ff21514d8981 26 * __init_array_end
AnnaBridge 156:ff21514d8981 27 * __fini_array_start
AnnaBridge 156:ff21514d8981 28 * __fini_array_end
AnnaBridge 156:ff21514d8981 29 * __data_end__
AnnaBridge 156:ff21514d8981 30 * __bss_start__
AnnaBridge 156:ff21514d8981 31 * __bss_end__
AnnaBridge 156:ff21514d8981 32 * __end__
AnnaBridge 156:ff21514d8981 33 * end
AnnaBridge 156:ff21514d8981 34 * __HeapLimit
AnnaBridge 156:ff21514d8981 35 * __StackLimit
AnnaBridge 156:ff21514d8981 36 * __StackTop
AnnaBridge 156:ff21514d8981 37 * __stack
AnnaBridge 156:ff21514d8981 38 */
AnnaBridge 156:ff21514d8981 39 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 40
AnnaBridge 156:ff21514d8981 41 SECTIONS
AnnaBridge 156:ff21514d8981 42 {
AnnaBridge 156:ff21514d8981 43 .text :
AnnaBridge 156:ff21514d8981 44 {
AnnaBridge 156:ff21514d8981 45 KEEP(*(.isr_vector))
AnnaBridge 156:ff21514d8981 46 *(.text*)
AnnaBridge 156:ff21514d8981 47
AnnaBridge 156:ff21514d8981 48 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 49 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 50
AnnaBridge 156:ff21514d8981 51 /* .ctors */
AnnaBridge 156:ff21514d8981 52 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 53 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 54 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 55 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 56 *(.ctors)
AnnaBridge 156:ff21514d8981 57
AnnaBridge 156:ff21514d8981 58 /* .dtors */
AnnaBridge 156:ff21514d8981 59 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 60 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 61 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 62 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 63 *(.dtors)
AnnaBridge 156:ff21514d8981 64
AnnaBridge 156:ff21514d8981 65 *(.rodata*)
AnnaBridge 156:ff21514d8981 66
AnnaBridge 156:ff21514d8981 67 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 68 } > FLASH
AnnaBridge 156:ff21514d8981 69
AnnaBridge 156:ff21514d8981 70 .ARM.extab :
AnnaBridge 156:ff21514d8981 71 {
AnnaBridge 156:ff21514d8981 72 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 73 } > FLASH
AnnaBridge 156:ff21514d8981 74
AnnaBridge 156:ff21514d8981 75 __exidx_start = .;
AnnaBridge 156:ff21514d8981 76 .ARM.exidx :
AnnaBridge 156:ff21514d8981 77 {
AnnaBridge 156:ff21514d8981 78 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 79 } > FLASH
AnnaBridge 156:ff21514d8981 80 __exidx_end = .;
AnnaBridge 156:ff21514d8981 81
AnnaBridge 156:ff21514d8981 82 __etext = .;
AnnaBridge 156:ff21514d8981 83
AnnaBridge 156:ff21514d8981 84 .data : AT (__etext)
AnnaBridge 156:ff21514d8981 85 {
AnnaBridge 156:ff21514d8981 86 __data_start__ = .;
AnnaBridge 156:ff21514d8981 87 Image$$RW_IRAM1$$Base = .;
AnnaBridge 156:ff21514d8981 88 *(vtable)
AnnaBridge 156:ff21514d8981 89 *(.data*)
AnnaBridge 156:ff21514d8981 90
AnnaBridge 156:ff21514d8981 91 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 92 /* preinit data */
AnnaBridge 156:ff21514d8981 93 PROVIDE (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 94 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 95 PROVIDE (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 96
AnnaBridge 156:ff21514d8981 97 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 98 /* init data */
AnnaBridge 156:ff21514d8981 99 PROVIDE (__init_array_start = .);
AnnaBridge 156:ff21514d8981 100 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 101 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 102 PROVIDE (__init_array_end = .);
AnnaBridge 156:ff21514d8981 103
AnnaBridge 156:ff21514d8981 104
AnnaBridge 156:ff21514d8981 105 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 106 /* finit data */
AnnaBridge 156:ff21514d8981 107 PROVIDE (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 108 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 109 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 110 PROVIDE (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 111
AnnaBridge 156:ff21514d8981 112 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 113 /* All data end */
AnnaBridge 156:ff21514d8981 114 __data_end__ = .;
AnnaBridge 156:ff21514d8981 115
AnnaBridge 156:ff21514d8981 116 } > RAM
AnnaBridge 156:ff21514d8981 117
AnnaBridge 156:ff21514d8981 118
AnnaBridge 156:ff21514d8981 119 .bss :
AnnaBridge 156:ff21514d8981 120 {
AnnaBridge 156:ff21514d8981 121 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 122 *(.bss*)
AnnaBridge 156:ff21514d8981 123 *(COMMON)
AnnaBridge 156:ff21514d8981 124 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 125 Image$$RW_IRAM1$$ZI$$Limit = . ;
AnnaBridge 156:ff21514d8981 126 } > RAM
AnnaBridge 156:ff21514d8981 127
AnnaBridge 156:ff21514d8981 128
AnnaBridge 156:ff21514d8981 129 .heap :
AnnaBridge 156:ff21514d8981 130 {
AnnaBridge 156:ff21514d8981 131 __end__ = .;
AnnaBridge 156:ff21514d8981 132 end = __end__;
AnnaBridge 156:ff21514d8981 133 *(.heap*)
AnnaBridge 156:ff21514d8981 134 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 135 } > RAM
AnnaBridge 156:ff21514d8981 136
AnnaBridge 156:ff21514d8981 137 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 156:ff21514d8981 138 * used for linker to calculate size of stack sections, and assign
AnnaBridge 156:ff21514d8981 139 * values to stack symbols later */
AnnaBridge 156:ff21514d8981 140 .stack_dummy :
AnnaBridge 156:ff21514d8981 141 {
AnnaBridge 156:ff21514d8981 142 *(.stack)
AnnaBridge 156:ff21514d8981 143 } > RAM
AnnaBridge 156:ff21514d8981 144
AnnaBridge 156:ff21514d8981 145 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 156:ff21514d8981 146 * size of stack_dummy section */
AnnaBridge 156:ff21514d8981 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 156:ff21514d8981 149 PROVIDE(__stack = __StackTop);
AnnaBridge 156:ff21514d8981 150
AnnaBridge 156:ff21514d8981 151 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 156:ff21514d8981 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 156:ff21514d8981 153
AnnaBridge 156:ff21514d8981 154
AnnaBridge 156:ff21514d8981 155 /* Code can explicitly ask for data to be
AnnaBridge 156:ff21514d8981 156 placed in these higher RAM banks where
AnnaBridge 156:ff21514d8981 157 they will be left uninitialized.
AnnaBridge 156:ff21514d8981 158 */
AnnaBridge 156:ff21514d8981 159 .AHBSRAM0 (NOLOAD):
AnnaBridge 156:ff21514d8981 160 {
AnnaBridge 156:ff21514d8981 161 Image$$RW_IRAM2$$Base = . ;
AnnaBridge 156:ff21514d8981 162 *(AHBSRAM0)
AnnaBridge 156:ff21514d8981 163 Image$$RW_IRAM2$$ZI$$Limit = .;
AnnaBridge 156:ff21514d8981 164 } > USB_RAM
AnnaBridge 156:ff21514d8981 165
AnnaBridge 156:ff21514d8981 166 .AHBSRAM1 (NOLOAD):
AnnaBridge 156:ff21514d8981 167 {
AnnaBridge 156:ff21514d8981 168 Image$$RW_IRAM3$$Base = . ;
AnnaBridge 156:ff21514d8981 169 *(AHBSRAM1)
AnnaBridge 156:ff21514d8981 170 Image$$RW_IRAM3$$ZI$$Limit = .;
AnnaBridge 156:ff21514d8981 171 } > ETH_RAM
AnnaBridge 156:ff21514d8981 172 }