mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

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

Committer:
bogdanm
Date:
Mon Aug 05 14:12:34 2013 +0300
Revision:
13:0645d8841f51
Update mbed sources to revision 64

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* Linker script for mbed LPC1768 */
bogdanm 13:0645d8841f51 2
bogdanm 13:0645d8841f51 3 /* Linker script to configure memory regions. */
bogdanm 13:0645d8841f51 4 MEMORY
bogdanm 13:0645d8841f51 5 {
bogdanm 13:0645d8841f51 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
bogdanm 13:0645d8841f51 7 RAM (rwx) : ORIGIN = 0x1FFFF0C0, LENGTH = 0x3F40
bogdanm 13:0645d8841f51 8 }
bogdanm 13:0645d8841f51 9
bogdanm 13:0645d8841f51 10 /* Linker script to place sections and symbol values. Should be used together
bogdanm 13:0645d8841f51 11 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 13:0645d8841f51 12 * It references following symbols, which must be defined in code:
bogdanm 13:0645d8841f51 13 * Reset_Handler : Entry of reset handler
bogdanm 13:0645d8841f51 14 *
bogdanm 13:0645d8841f51 15 * It defines following symbols, which code can use without definition:
bogdanm 13:0645d8841f51 16 * __exidx_start
bogdanm 13:0645d8841f51 17 * __exidx_end
bogdanm 13:0645d8841f51 18 * __etext
bogdanm 13:0645d8841f51 19 * __data_start__
bogdanm 13:0645d8841f51 20 * __preinit_array_start
bogdanm 13:0645d8841f51 21 * __preinit_array_end
bogdanm 13:0645d8841f51 22 * __init_array_start
bogdanm 13:0645d8841f51 23 * __init_array_end
bogdanm 13:0645d8841f51 24 * __fini_array_start
bogdanm 13:0645d8841f51 25 * __fini_array_end
bogdanm 13:0645d8841f51 26 * __data_end__
bogdanm 13:0645d8841f51 27 * __bss_start__
bogdanm 13:0645d8841f51 28 * __bss_end__
bogdanm 13:0645d8841f51 29 * __end__
bogdanm 13:0645d8841f51 30 * end
bogdanm 13:0645d8841f51 31 * __HeapLimit
bogdanm 13:0645d8841f51 32 * __StackLimit
bogdanm 13:0645d8841f51 33 * __StackTop
bogdanm 13:0645d8841f51 34 * __stack
bogdanm 13:0645d8841f51 35 */
bogdanm 13:0645d8841f51 36 ENTRY(Reset_Handler)
bogdanm 13:0645d8841f51 37
bogdanm 13:0645d8841f51 38 SECTIONS
bogdanm 13:0645d8841f51 39 {
bogdanm 13:0645d8841f51 40 .text :
bogdanm 13:0645d8841f51 41 {
bogdanm 13:0645d8841f51 42 KEEP(*(.isr_vector))
bogdanm 13:0645d8841f51 43 *(.text.Reset_Handler)
bogdanm 13:0645d8841f51 44 *(.text.SystemInit)
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 /* Only vectors and code running at reset are safe to be in first 512
bogdanm 13:0645d8841f51 47 bytes since RAM can be mapped into this area for RAM based interrupt
bogdanm 13:0645d8841f51 48 vectors. */
bogdanm 13:0645d8841f51 49 . = 0x00000200;
bogdanm 13:0645d8841f51 50 *(.text*)
bogdanm 13:0645d8841f51 51
bogdanm 13:0645d8841f51 52 KEEP(*(.init))
bogdanm 13:0645d8841f51 53 KEEP(*(.fini))
bogdanm 13:0645d8841f51 54
bogdanm 13:0645d8841f51 55 /* .ctors */
bogdanm 13:0645d8841f51 56 *crtbegin.o(.ctors)
bogdanm 13:0645d8841f51 57 *crtbegin?.o(.ctors)
bogdanm 13:0645d8841f51 58 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 13:0645d8841f51 59 *(SORT(.ctors.*))
bogdanm 13:0645d8841f51 60 *(.ctors)
bogdanm 13:0645d8841f51 61
bogdanm 13:0645d8841f51 62 /* .dtors */
bogdanm 13:0645d8841f51 63 *crtbegin.o(.dtors)
bogdanm 13:0645d8841f51 64 *crtbegin?.o(.dtors)
bogdanm 13:0645d8841f51 65 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 13:0645d8841f51 66 *(SORT(.dtors.*))
bogdanm 13:0645d8841f51 67 *(.dtors)
bogdanm 13:0645d8841f51 68
bogdanm 13:0645d8841f51 69 *(.rodata*)
bogdanm 13:0645d8841f51 70
bogdanm 13:0645d8841f51 71 KEEP(*(.eh_frame*))
bogdanm 13:0645d8841f51 72 } > FLASH
bogdanm 13:0645d8841f51 73
bogdanm 13:0645d8841f51 74 .ARM.extab :
bogdanm 13:0645d8841f51 75 {
bogdanm 13:0645d8841f51 76 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 13:0645d8841f51 77 } > FLASH
bogdanm 13:0645d8841f51 78
bogdanm 13:0645d8841f51 79 __exidx_start = .;
bogdanm 13:0645d8841f51 80 .ARM.exidx :
bogdanm 13:0645d8841f51 81 {
bogdanm 13:0645d8841f51 82 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 13:0645d8841f51 83 } > FLASH
bogdanm 13:0645d8841f51 84 __exidx_end = .;
bogdanm 13:0645d8841f51 85
bogdanm 13:0645d8841f51 86 __etext = .;
bogdanm 13:0645d8841f51 87
bogdanm 13:0645d8841f51 88 .data : AT (__etext)
bogdanm 13:0645d8841f51 89 {
bogdanm 13:0645d8841f51 90 __data_start__ = .;
bogdanm 13:0645d8841f51 91 *(vtable)
bogdanm 13:0645d8841f51 92 *(.data*)
bogdanm 13:0645d8841f51 93
bogdanm 13:0645d8841f51 94 . = ALIGN(4);
bogdanm 13:0645d8841f51 95 /* preinit data */
bogdanm 13:0645d8841f51 96 PROVIDE (__preinit_array_start = .);
bogdanm 13:0645d8841f51 97 KEEP(*(.preinit_array))
bogdanm 13:0645d8841f51 98 PROVIDE (__preinit_array_end = .);
bogdanm 13:0645d8841f51 99
bogdanm 13:0645d8841f51 100 . = ALIGN(4);
bogdanm 13:0645d8841f51 101 /* init data */
bogdanm 13:0645d8841f51 102 PROVIDE (__init_array_start = .);
bogdanm 13:0645d8841f51 103 KEEP(*(SORT(.init_array.*)))
bogdanm 13:0645d8841f51 104 KEEP(*(.init_array))
bogdanm 13:0645d8841f51 105 PROVIDE (__init_array_end = .);
bogdanm 13:0645d8841f51 106
bogdanm 13:0645d8841f51 107
bogdanm 13:0645d8841f51 108 . = ALIGN(4);
bogdanm 13:0645d8841f51 109 /* finit data */
bogdanm 13:0645d8841f51 110 PROVIDE (__fini_array_start = .);
bogdanm 13:0645d8841f51 111 KEEP(*(SORT(.fini_array.*)))
bogdanm 13:0645d8841f51 112 KEEP(*(.fini_array))
bogdanm 13:0645d8841f51 113 PROVIDE (__fini_array_end = .);
bogdanm 13:0645d8841f51 114
bogdanm 13:0645d8841f51 115 . = ALIGN(4);
bogdanm 13:0645d8841f51 116 /* All data end */
bogdanm 13:0645d8841f51 117 __data_end__ = .;
bogdanm 13:0645d8841f51 118
bogdanm 13:0645d8841f51 119 } > RAM
bogdanm 13:0645d8841f51 120
bogdanm 13:0645d8841f51 121 .bss :
bogdanm 13:0645d8841f51 122 {
bogdanm 13:0645d8841f51 123 __bss_start__ = .;
bogdanm 13:0645d8841f51 124 *(.bss*)
bogdanm 13:0645d8841f51 125 *(COMMON)
bogdanm 13:0645d8841f51 126 __bss_end__ = .;
bogdanm 13:0645d8841f51 127 } > RAM
bogdanm 13:0645d8841f51 128
bogdanm 13:0645d8841f51 129 .heap :
bogdanm 13:0645d8841f51 130 {
bogdanm 13:0645d8841f51 131 __end__ = .;
bogdanm 13:0645d8841f51 132 end = __end__;
bogdanm 13:0645d8841f51 133 *(.heap*)
bogdanm 13:0645d8841f51 134 __HeapLimit = .;
bogdanm 13:0645d8841f51 135 } > RAM
bogdanm 13:0645d8841f51 136
bogdanm 13:0645d8841f51 137 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 13:0645d8841f51 138 * used for linker to calculate size of stack sections, and assign
bogdanm 13:0645d8841f51 139 * values to stack symbols later */
bogdanm 13:0645d8841f51 140 .stack_dummy :
bogdanm 13:0645d8841f51 141 {
bogdanm 13:0645d8841f51 142 *(.stack)
bogdanm 13:0645d8841f51 143 } > RAM
bogdanm 13:0645d8841f51 144
bogdanm 13:0645d8841f51 145 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 13:0645d8841f51 146 * size of stack_dummy section */
bogdanm 13:0645d8841f51 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 13:0645d8841f51 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 13:0645d8841f51 149 PROVIDE(__stack = __StackTop);
bogdanm 13:0645d8841f51 150
bogdanm 13:0645d8841f51 151 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 13:0645d8841f51 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 13:0645d8841f51 153 }