Janek Mann / mbed-src-openwear

mbed library sources modified for open wear

Dependents:   openwear-lifelogger-example

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC11UXX/TOOLCHAIN_GCC_ARM/TARGET_LPC11U24_301/LPC11U24.ld@310:6188e0254baa, 2014-09-16 (annotated)

Committer:
janekm
Date:
Tue Sep 16 22:42:01 2014 +0000
Revision:
310:6188e0254baa
Parent:
18:692be3d4e4cc 
N/A

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 18:692be3d4e4cc 1 /* Linker script for mbed LPC1768 */
bogdanm 18:692be3d4e4cc 2
bogdanm 18:692be3d4e4cc 3 /* Linker script to configure memory regions. */
bogdanm 18:692be3d4e4cc 4 MEMORY
bogdanm 18:692be3d4e4cc 5 {
bogdanm 18:692be3d4e4cc 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K
bogdanm 18:692be3d4e4cc 7 RAM (rwx) : ORIGIN = 0x100000C0, LENGTH = 0x1740
bogdanm 18:692be3d4e4cc 8 USB_RAM (rwx): ORIGIN = 0x20004000, LENGTH = 0x800
bogdanm 18:692be3d4e4cc 9 }
bogdanm 18:692be3d4e4cc 10
bogdanm 18:692be3d4e4cc 11 /* Linker script to place sections and symbol values. Should be used together
bogdanm 18:692be3d4e4cc 12 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 18:692be3d4e4cc 13 * It references following symbols, which must be defined in code:
bogdanm 18:692be3d4e4cc 14 * Reset_Handler : Entry of reset handler
bogdanm 18:692be3d4e4cc 15 *
bogdanm 18:692be3d4e4cc 16 * It defines following symbols, which code can use without definition:
bogdanm 18:692be3d4e4cc 17 * __exidx_start
bogdanm 18:692be3d4e4cc 18 * __exidx_end
bogdanm 18:692be3d4e4cc 19 * __etext
bogdanm 18:692be3d4e4cc 20 * __data_start__
bogdanm 18:692be3d4e4cc 21 * __preinit_array_start
bogdanm 18:692be3d4e4cc 22 * __preinit_array_end
bogdanm 18:692be3d4e4cc 23 * __init_array_start
bogdanm 18:692be3d4e4cc 24 * __init_array_end
bogdanm 18:692be3d4e4cc 25 * __fini_array_start
bogdanm 18:692be3d4e4cc 26 * __fini_array_end
bogdanm 18:692be3d4e4cc 27 * __data_end__
bogdanm 18:692be3d4e4cc 28 * __bss_start__
bogdanm 18:692be3d4e4cc 29 * __bss_end__
bogdanm 18:692be3d4e4cc 30 * __end__
bogdanm 18:692be3d4e4cc 31 * end
bogdanm 18:692be3d4e4cc 32 * __HeapLimit
bogdanm 18:692be3d4e4cc 33 * __StackLimit
bogdanm 18:692be3d4e4cc 34 * __StackTop
bogdanm 18:692be3d4e4cc 35 * __stack
bogdanm 18:692be3d4e4cc 36 */
bogdanm 18:692be3d4e4cc 37 ENTRY(Reset_Handler)
bogdanm 18:692be3d4e4cc 38
bogdanm 18:692be3d4e4cc 39 SECTIONS
bogdanm 18:692be3d4e4cc 40 {
bogdanm 18:692be3d4e4cc 41 .text :
bogdanm 18:692be3d4e4cc 42 {
bogdanm 18:692be3d4e4cc 43 KEEP(*(.isr_vector))
bogdanm 18:692be3d4e4cc 44 *(.text.Reset_Handler)
bogdanm 18:692be3d4e4cc 45 *(.text.SystemInit)
bogdanm 18:692be3d4e4cc 46
bogdanm 18:692be3d4e4cc 47 /* Only vectors and code running at reset are safe to be in first 512
bogdanm 18:692be3d4e4cc 48 bytes since RAM can be mapped into this area for RAM based interrupt
bogdanm 18:692be3d4e4cc 49 vectors. */
bogdanm 18:692be3d4e4cc 50 . = 0x00000200;
bogdanm 18:692be3d4e4cc 51 *(.text*)
bogdanm 18:692be3d4e4cc 52
bogdanm 18:692be3d4e4cc 53 KEEP(*(.init))
bogdanm 18:692be3d4e4cc 54 KEEP(*(.fini))
bogdanm 18:692be3d4e4cc 55
bogdanm 18:692be3d4e4cc 56 /* .ctors */
bogdanm 18:692be3d4e4cc 57 *crtbegin.o(.ctors)
bogdanm 18:692be3d4e4cc 58 *crtbegin?.o(.ctors)
bogdanm 18:692be3d4e4cc 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 18:692be3d4e4cc 60 *(SORT(.ctors.*))
bogdanm 18:692be3d4e4cc 61 *(.ctors)
bogdanm 18:692be3d4e4cc 62
bogdanm 18:692be3d4e4cc 63 /* .dtors */
bogdanm 18:692be3d4e4cc 64 *crtbegin.o(.dtors)
bogdanm 18:692be3d4e4cc 65 *crtbegin?.o(.dtors)
bogdanm 18:692be3d4e4cc 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 18:692be3d4e4cc 67 *(SORT(.dtors.*))
bogdanm 18:692be3d4e4cc 68 *(.dtors)
bogdanm 18:692be3d4e4cc 69
bogdanm 18:692be3d4e4cc 70 *(.rodata*)
bogdanm 18:692be3d4e4cc 71
bogdanm 18:692be3d4e4cc 72 KEEP(*(.eh_frame*))
bogdanm 18:692be3d4e4cc 73 } > FLASH
bogdanm 18:692be3d4e4cc 74
bogdanm 18:692be3d4e4cc 75 .ARM.extab :
bogdanm 18:692be3d4e4cc 76 {
bogdanm 18:692be3d4e4cc 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 18:692be3d4e4cc 78 } > FLASH
bogdanm 18:692be3d4e4cc 79
bogdanm 18:692be3d4e4cc 80 __exidx_start = .;
bogdanm 18:692be3d4e4cc 81 .ARM.exidx :
bogdanm 18:692be3d4e4cc 82 {
bogdanm 18:692be3d4e4cc 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 18:692be3d4e4cc 84 } > FLASH
bogdanm 18:692be3d4e4cc 85 __exidx_end = .;
bogdanm 18:692be3d4e4cc 86
bogdanm 18:692be3d4e4cc 87 __etext = .;
bogdanm 18:692be3d4e4cc 88
bogdanm 18:692be3d4e4cc 89 .data : AT (__etext)
bogdanm 18:692be3d4e4cc 90 {
bogdanm 18:692be3d4e4cc 91 __data_start__ = .;
bogdanm 18:692be3d4e4cc 92 *(vtable)
bogdanm 18:692be3d4e4cc 93 *(.data*)
bogdanm 18:692be3d4e4cc 94
bogdanm 18:692be3d4e4cc 95 . = ALIGN(4);
bogdanm 18:692be3d4e4cc 96 /* preinit data */
bogdanm 18:692be3d4e4cc 97 PROVIDE (__preinit_array_start = .);
bogdanm 18:692be3d4e4cc 98 KEEP(*(.preinit_array))
bogdanm 18:692be3d4e4cc 99 PROVIDE (__preinit_array_end = .);
bogdanm 18:692be3d4e4cc 100
bogdanm 18:692be3d4e4cc 101 . = ALIGN(4);
bogdanm 18:692be3d4e4cc 102 /* init data */
bogdanm 18:692be3d4e4cc 103 PROVIDE (__init_array_start = .);
bogdanm 18:692be3d4e4cc 104 KEEP(*(SORT(.init_array.*)))
bogdanm 18:692be3d4e4cc 105 KEEP(*(.init_array))
bogdanm 18:692be3d4e4cc 106 PROVIDE (__init_array_end = .);
bogdanm 18:692be3d4e4cc 107
bogdanm 18:692be3d4e4cc 108
bogdanm 18:692be3d4e4cc 109 . = ALIGN(4);
bogdanm 18:692be3d4e4cc 110 /* finit data */
bogdanm 18:692be3d4e4cc 111 PROVIDE (__fini_array_start = .);
bogdanm 18:692be3d4e4cc 112 KEEP(*(SORT(.fini_array.*)))
bogdanm 18:692be3d4e4cc 113 KEEP(*(.fini_array))
bogdanm 18:692be3d4e4cc 114 PROVIDE (__fini_array_end = .);
bogdanm 18:692be3d4e4cc 115
bogdanm 18:692be3d4e4cc 116 . = ALIGN(4);
bogdanm 18:692be3d4e4cc 117 /* All data end */
bogdanm 18:692be3d4e4cc 118 __data_end__ = .;
bogdanm 18:692be3d4e4cc 119
bogdanm 18:692be3d4e4cc 120 } > RAM
bogdanm 18:692be3d4e4cc 121
bogdanm 18:692be3d4e4cc 122 .bss :
bogdanm 18:692be3d4e4cc 123 {
bogdanm 18:692be3d4e4cc 124 __bss_start__ = .;
bogdanm 18:692be3d4e4cc 125 *(.bss*)
bogdanm 18:692be3d4e4cc 126 *(COMMON)
bogdanm 18:692be3d4e4cc 127 __bss_end__ = .;
bogdanm 18:692be3d4e4cc 128 } > RAM
bogdanm 18:692be3d4e4cc 129
bogdanm 18:692be3d4e4cc 130 .heap :
bogdanm 18:692be3d4e4cc 131 {
bogdanm 18:692be3d4e4cc 132 __end__ = .;
bogdanm 18:692be3d4e4cc 133 end = __end__;
bogdanm 18:692be3d4e4cc 134 *(.heap*)
bogdanm 18:692be3d4e4cc 135 __HeapLimit = .;
bogdanm 18:692be3d4e4cc 136 } > RAM
bogdanm 18:692be3d4e4cc 137
bogdanm 18:692be3d4e4cc 138 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 18:692be3d4e4cc 139 * used for linker to calculate size of stack sections, and assign
bogdanm 18:692be3d4e4cc 140 * values to stack symbols later */
bogdanm 18:692be3d4e4cc 141 .stack_dummy :
bogdanm 18:692be3d4e4cc 142 {
bogdanm 18:692be3d4e4cc 143 *(.stack)
bogdanm 18:692be3d4e4cc 144 } > RAM
bogdanm 18:692be3d4e4cc 145
bogdanm 18:692be3d4e4cc 146 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 18:692be3d4e4cc 147 * size of stack_dummy section */
bogdanm 18:692be3d4e4cc 148 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 18:692be3d4e4cc 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 18:692be3d4e4cc 150 PROVIDE(__stack = __StackTop);
bogdanm 18:692be3d4e4cc 151
bogdanm 18:692be3d4e4cc 152 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 18:692be3d4e4cc 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 18:692be3d4e4cc 154 }