mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_ARM/TARGET_LPC11U24_301/LPC11U24.ld@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* Linker script for mbed LPC1768 */
bogdanm 0:9b334a45a8ff 2
bogdanm 0:9b334a45a8ff 3 /* Linker script to configure memory regions. */
bogdanm 0:9b334a45a8ff 4 MEMORY
bogdanm 0:9b334a45a8ff 5 {
bogdanm 0:9b334a45a8ff 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K
bogdanm 0:9b334a45a8ff 7 RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1740
bogdanm 0:9b334a45a8ff 8 USB_RAM (rwx): ORIGIN = 0x20004000, LENGTH = 0x800
bogdanm 0:9b334a45a8ff 9 }
bogdanm 0:9b334a45a8ff 10
bogdanm 0:9b334a45a8ff 11 /* Linker script to place sections and symbol values. Should be used together
bogdanm 0:9b334a45a8ff 12 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 0:9b334a45a8ff 13 * It references following symbols, which must be defined in code:
bogdanm 0:9b334a45a8ff 14 * Reset_Handler : Entry of reset handler
bogdanm 0:9b334a45a8ff 15 *
bogdanm 0:9b334a45a8ff 16 * It defines following symbols, which code can use without definition:
bogdanm 0:9b334a45a8ff 17 * __exidx_start
bogdanm 0:9b334a45a8ff 18 * __exidx_end
bogdanm 0:9b334a45a8ff 19 * __etext
bogdanm 0:9b334a45a8ff 20 * __data_start__
bogdanm 0:9b334a45a8ff 21 * __preinit_array_start
bogdanm 0:9b334a45a8ff 22 * __preinit_array_end
bogdanm 0:9b334a45a8ff 23 * __init_array_start
bogdanm 0:9b334a45a8ff 24 * __init_array_end
bogdanm 0:9b334a45a8ff 25 * __fini_array_start
bogdanm 0:9b334a45a8ff 26 * __fini_array_end
bogdanm 0:9b334a45a8ff 27 * __data_end__
bogdanm 0:9b334a45a8ff 28 * __bss_start__
bogdanm 0:9b334a45a8ff 29 * __bss_end__
bogdanm 0:9b334a45a8ff 30 * __end__
bogdanm 0:9b334a45a8ff 31 * end
bogdanm 0:9b334a45a8ff 32 * __HeapLimit
bogdanm 0:9b334a45a8ff 33 * __StackLimit
bogdanm 0:9b334a45a8ff 34 * __StackTop
bogdanm 0:9b334a45a8ff 35 * __stack
bogdanm 0:9b334a45a8ff 36 */
bogdanm 0:9b334a45a8ff 37 ENTRY(Reset_Handler)
bogdanm 0:9b334a45a8ff 38
bogdanm 0:9b334a45a8ff 39 SECTIONS
bogdanm 0:9b334a45a8ff 40 {
bogdanm 0:9b334a45a8ff 41 .text :
bogdanm 0:9b334a45a8ff 42 {
bogdanm 0:9b334a45a8ff 43 KEEP(*(.isr_vector))
bogdanm 0:9b334a45a8ff 44 *(.text.Reset_Handler)
bogdanm 0:9b334a45a8ff 45 *(.text.SystemInit)
bogdanm 0:9b334a45a8ff 46
bogdanm 0:9b334a45a8ff 47 /* Only vectors and code running at reset are safe to be in first 512
bogdanm 0:9b334a45a8ff 48 bytes since RAM can be mapped into this area for RAM based interrupt
bogdanm 0:9b334a45a8ff 49 vectors. */
bogdanm 0:9b334a45a8ff 50 . = 0x00000200;
bogdanm 0:9b334a45a8ff 51 *(.text*)
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53 KEEP(*(.init))
bogdanm 0:9b334a45a8ff 54 KEEP(*(.fini))
bogdanm 0:9b334a45a8ff 55
bogdanm 0:9b334a45a8ff 56 /* .ctors */
bogdanm 0:9b334a45a8ff 57 *crtbegin.o(.ctors)
bogdanm 0:9b334a45a8ff 58 *crtbegin?.o(.ctors)
bogdanm 0:9b334a45a8ff 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 0:9b334a45a8ff 60 *(SORT(.ctors.*))
bogdanm 0:9b334a45a8ff 61 *(.ctors)
bogdanm 0:9b334a45a8ff 62
bogdanm 0:9b334a45a8ff 63 /* .dtors */
bogdanm 0:9b334a45a8ff 64 *crtbegin.o(.dtors)
bogdanm 0:9b334a45a8ff 65 *crtbegin?.o(.dtors)
bogdanm 0:9b334a45a8ff 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 0:9b334a45a8ff 67 *(SORT(.dtors.*))
bogdanm 0:9b334a45a8ff 68 *(.dtors)
bogdanm 0:9b334a45a8ff 69
bogdanm 0:9b334a45a8ff 70 *(.rodata*)
bogdanm 0:9b334a45a8ff 71
bogdanm 0:9b334a45a8ff 72 KEEP(*(.eh_frame*))
bogdanm 0:9b334a45a8ff 73 } > FLASH
bogdanm 0:9b334a45a8ff 74
bogdanm 0:9b334a45a8ff 75 .ARM.extab :
bogdanm 0:9b334a45a8ff 76 {
bogdanm 0:9b334a45a8ff 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 0:9b334a45a8ff 78 } > FLASH
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 __exidx_start = .;
bogdanm 0:9b334a45a8ff 81 .ARM.exidx :
bogdanm 0:9b334a45a8ff 82 {
bogdanm 0:9b334a45a8ff 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 0:9b334a45a8ff 84 } > FLASH
bogdanm 0:9b334a45a8ff 85 __exidx_end = .;
bogdanm 0:9b334a45a8ff 86
bogdanm 0:9b334a45a8ff 87 __etext = .;
bogdanm 0:9b334a45a8ff 88
bogdanm 0:9b334a45a8ff 89 .data : AT (__etext)
bogdanm 0:9b334a45a8ff 90 {
bogdanm 0:9b334a45a8ff 91 __data_start__ = .;
bogdanm 0:9b334a45a8ff 92 *(vtable)
bogdanm 0:9b334a45a8ff 93 *(.data*)
bogdanm 0:9b334a45a8ff 94
bogdanm 0:9b334a45a8ff 95 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 96 /* preinit data */
bogdanm 0:9b334a45a8ff 97 PROVIDE (__preinit_array_start = .);
bogdanm 0:9b334a45a8ff 98 KEEP(*(.preinit_array))
bogdanm 0:9b334a45a8ff 99 PROVIDE (__preinit_array_end = .);
bogdanm 0:9b334a45a8ff 100
bogdanm 0:9b334a45a8ff 101 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 102 /* init data */
bogdanm 0:9b334a45a8ff 103 PROVIDE (__init_array_start = .);
bogdanm 0:9b334a45a8ff 104 KEEP(*(SORT(.init_array.*)))
bogdanm 0:9b334a45a8ff 105 KEEP(*(.init_array))
bogdanm 0:9b334a45a8ff 106 PROVIDE (__init_array_end = .);
bogdanm 0:9b334a45a8ff 107
bogdanm 0:9b334a45a8ff 108
bogdanm 0:9b334a45a8ff 109 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 110 /* finit data */
bogdanm 0:9b334a45a8ff 111 PROVIDE (__fini_array_start = .);
bogdanm 0:9b334a45a8ff 112 KEEP(*(SORT(.fini_array.*)))
bogdanm 0:9b334a45a8ff 113 KEEP(*(.fini_array))
bogdanm 0:9b334a45a8ff 114 PROVIDE (__fini_array_end = .);
bogdanm 0:9b334a45a8ff 115
bogdanm 0:9b334a45a8ff 116 . = ALIGN(4);
bogdanm 0:9b334a45a8ff 117 /* All data end */
bogdanm 0:9b334a45a8ff 118 __data_end__ = .;
bogdanm 0:9b334a45a8ff 119
bogdanm 0:9b334a45a8ff 120 } > RAM
bogdanm 0:9b334a45a8ff 121
bogdanm 0:9b334a45a8ff 122 .bss :
bogdanm 0:9b334a45a8ff 123 {
bogdanm 0:9b334a45a8ff 124 __bss_start__ = .;
bogdanm 0:9b334a45a8ff 125 *(.bss*)
bogdanm 0:9b334a45a8ff 126 *(COMMON)
bogdanm 0:9b334a45a8ff 127 __bss_end__ = .;
bogdanm 0:9b334a45a8ff 128 } > RAM
bogdanm 0:9b334a45a8ff 129
bogdanm 0:9b334a45a8ff 130 .heap :
bogdanm 0:9b334a45a8ff 131 {
bogdanm 0:9b334a45a8ff 132 __end__ = .;
bogdanm 0:9b334a45a8ff 133 end = __end__;
bogdanm 0:9b334a45a8ff 134 *(.heap*)
bogdanm 0:9b334a45a8ff 135 __HeapLimit = .;
bogdanm 0:9b334a45a8ff 136 } > RAM
bogdanm 0:9b334a45a8ff 137
bogdanm 0:9b334a45a8ff 138 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 0:9b334a45a8ff 139 * used for linker to calculate size of stack sections, and assign
bogdanm 0:9b334a45a8ff 140 * values to stack symbols later */
bogdanm 0:9b334a45a8ff 141 .stack_dummy :
bogdanm 0:9b334a45a8ff 142 {
bogdanm 0:9b334a45a8ff 143 *(.stack)
bogdanm 0:9b334a45a8ff 144 } > RAM
bogdanm 0:9b334a45a8ff 145
bogdanm 0:9b334a45a8ff 146 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 0:9b334a45a8ff 147 * size of stack_dummy section */
bogdanm 0:9b334a45a8ff 148 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 0:9b334a45a8ff 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 0:9b334a45a8ff 150 PROVIDE(__stack = __StackTop);
bogdanm 0:9b334a45a8ff 151
bogdanm 0:9b334a45a8ff 152 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 0:9b334a45a8ff 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 0:9b334a45a8ff 154 }