shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F3XX/TOOLCHAIN_GCC_ARM/STM32F3XX.ld@155:8435094ec241, 2014-04-08 (annotated)

Committer:
mbed_official
Date:
Tue Apr 08 09:15:06 2014 +0100
Revision:
155:8435094ec241
Synchronized with git revision d616c415fc62f490b915ff0ff39c8d24b2917c0f



Full URL: https://github.com/mbedmicro/mbed/commit/d616c415fc62f490b915ff0ff39c8d24b2917c0f/



[STM32F3XX] Initial port

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 155:8435094ec241 1 /* Linker script for STM32F3xx */
mbed_official 155:8435094ec241 2
mbed_official 155:8435094ec241 3 /* Linker script to configure memory regions. */
mbed_official 155:8435094ec241 4 MEMORY
mbed_official 155:8435094ec241 5 {
mbed_official 155:8435094ec241 6 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K
mbed_official 155:8435094ec241 7 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 8K
mbed_official 155:8435094ec241 8 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 40k - 0x188
mbed_official 155:8435094ec241 9 }
mbed_official 155:8435094ec241 10
mbed_official 155:8435094ec241 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 155:8435094ec241 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 155:8435094ec241 13 * It references following symbols, which must be defined in code:
mbed_official 155:8435094ec241 14 * Reset_Handler : Entry of reset handler
mbed_official 155:8435094ec241 15 *
mbed_official 155:8435094ec241 16 * It defines following symbols, which code can use without definition:
mbed_official 155:8435094ec241 17 * __exidx_start
mbed_official 155:8435094ec241 18 * __exidx_end
mbed_official 155:8435094ec241 19 * __etext
mbed_official 155:8435094ec241 20 * __data_start__
mbed_official 155:8435094ec241 21 * __preinit_array_start
mbed_official 155:8435094ec241 22 * __preinit_array_end
mbed_official 155:8435094ec241 23 * __init_array_start
mbed_official 155:8435094ec241 24 * __init_array_end
mbed_official 155:8435094ec241 25 * __fini_array_start
mbed_official 155:8435094ec241 26 * __fini_array_end
mbed_official 155:8435094ec241 27 * __data_end__
mbed_official 155:8435094ec241 28 * __bss_start__
mbed_official 155:8435094ec241 29 * __bss_end__
mbed_official 155:8435094ec241 30 * __end__
mbed_official 155:8435094ec241 31 * end
mbed_official 155:8435094ec241 32 * __HeapLimit
mbed_official 155:8435094ec241 33 * __StackLimit
mbed_official 155:8435094ec241 34 * __StackTop
mbed_official 155:8435094ec241 35 * __stack
mbed_official 155:8435094ec241 36 */
mbed_official 155:8435094ec241 37 ENTRY(Reset_Handler)
mbed_official 155:8435094ec241 38
mbed_official 155:8435094ec241 39 SECTIONS
mbed_official 155:8435094ec241 40 {
mbed_official 155:8435094ec241 41 .text :
mbed_official 155:8435094ec241 42 {
mbed_official 155:8435094ec241 43 KEEP(*(.isr_vector))
mbed_official 155:8435094ec241 44 *(.text*)
mbed_official 155:8435094ec241 45 /* KEEP(.ioview) */
mbed_official 155:8435094ec241 46 KEEP(*(.init))
mbed_official 155:8435094ec241 47 KEEP(*(.fini))
mbed_official 155:8435094ec241 48
mbed_official 155:8435094ec241 49 /* .ctors */
mbed_official 155:8435094ec241 50 *crtbegin.o(.ctors)
mbed_official 155:8435094ec241 51 *crtbegin?.o(.ctors)
mbed_official 155:8435094ec241 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 155:8435094ec241 53 *(SORT(.ctors.*))
mbed_official 155:8435094ec241 54 *(.ctors)
mbed_official 155:8435094ec241 55
mbed_official 155:8435094ec241 56 /* .dtors */
mbed_official 155:8435094ec241 57 *crtbegin.o(.dtors)
mbed_official 155:8435094ec241 58 *crtbegin?.o(.dtors)
mbed_official 155:8435094ec241 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 155:8435094ec241 60 *(SORT(.dtors.*))
mbed_official 155:8435094ec241 61 *(.dtors)
mbed_official 155:8435094ec241 62
mbed_official 155:8435094ec241 63 *(.rodata*)
mbed_official 155:8435094ec241 64
mbed_official 155:8435094ec241 65 KEEP(*(.eh_frame*))
mbed_official 155:8435094ec241 66 } > FLASH
mbed_official 155:8435094ec241 67
mbed_official 155:8435094ec241 68 .ARM.extab :
mbed_official 155:8435094ec241 69 {
mbed_official 155:8435094ec241 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 155:8435094ec241 71 } > FLASH
mbed_official 155:8435094ec241 72
mbed_official 155:8435094ec241 73 __exidx_start = .;
mbed_official 155:8435094ec241 74 .ARM.exidx :
mbed_official 155:8435094ec241 75 {
mbed_official 155:8435094ec241 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 155:8435094ec241 77 } > FLASH
mbed_official 155:8435094ec241 78 __exidx_end = .;
mbed_official 155:8435094ec241 79
mbed_official 155:8435094ec241 80 __etext = .;
mbed_official 155:8435094ec241 81 _sidata = .;
mbed_official 155:8435094ec241 82
mbed_official 155:8435094ec241 83 .data : AT (__etext)
mbed_official 155:8435094ec241 84 {
mbed_official 155:8435094ec241 85 __data_start__ = .;
mbed_official 155:8435094ec241 86 _sdata = .;
mbed_official 155:8435094ec241 87 *(vtable)
mbed_official 155:8435094ec241 88 *(.data*)
mbed_official 155:8435094ec241 89
mbed_official 155:8435094ec241 90 . = ALIGN(4);
mbed_official 155:8435094ec241 91 /* preinit data */
mbed_official 155:8435094ec241 92 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 155:8435094ec241 93 KEEP(*(.preinit_array))
mbed_official 155:8435094ec241 94 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 155:8435094ec241 95
mbed_official 155:8435094ec241 96 . = ALIGN(4);
mbed_official 155:8435094ec241 97 /* init data */
mbed_official 155:8435094ec241 98 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 155:8435094ec241 99 KEEP(*(SORT(.init_array.*)))
mbed_official 155:8435094ec241 100 KEEP(*(.init_array))
mbed_official 155:8435094ec241 101 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 155:8435094ec241 102
mbed_official 155:8435094ec241 103
mbed_official 155:8435094ec241 104 . = ALIGN(4);
mbed_official 155:8435094ec241 105 /* finit data */
mbed_official 155:8435094ec241 106 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 155:8435094ec241 107 KEEP(*(SORT(.fini_array.*)))
mbed_official 155:8435094ec241 108 KEEP(*(.fini_array))
mbed_official 155:8435094ec241 109 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 155:8435094ec241 110
mbed_official 155:8435094ec241 111 KEEP(*(.jcr*))
mbed_official 155:8435094ec241 112 . = ALIGN(4);
mbed_official 155:8435094ec241 113 /* All data end */
mbed_official 155:8435094ec241 114 __data_end__ = .;
mbed_official 155:8435094ec241 115 _edata = .;
mbed_official 155:8435094ec241 116
mbed_official 155:8435094ec241 117 } > RAM
mbed_official 155:8435094ec241 118
mbed_official 155:8435094ec241 119 .bss :
mbed_official 155:8435094ec241 120 {
mbed_official 155:8435094ec241 121 . = ALIGN(4);
mbed_official 155:8435094ec241 122 __bss_start__ = .;
mbed_official 155:8435094ec241 123 _sbss = .;
mbed_official 155:8435094ec241 124 *(.bss*)
mbed_official 155:8435094ec241 125 *(COMMON)
mbed_official 155:8435094ec241 126 . = ALIGN(4);
mbed_official 155:8435094ec241 127 __bss_end__ = .;
mbed_official 155:8435094ec241 128 _ebss = .;
mbed_official 155:8435094ec241 129 } > RAM
mbed_official 155:8435094ec241 130
mbed_official 155:8435094ec241 131 .heap (COPY):
mbed_official 155:8435094ec241 132 {
mbed_official 155:8435094ec241 133 __end__ = .;
mbed_official 155:8435094ec241 134 end = __end__;
mbed_official 155:8435094ec241 135 *(.heap*)
mbed_official 155:8435094ec241 136 __HeapLimit = .;
mbed_official 155:8435094ec241 137 } > RAM
mbed_official 155:8435094ec241 138
mbed_official 155:8435094ec241 139 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 155:8435094ec241 140 * used for linker to calculate size of stack sections, and assign
mbed_official 155:8435094ec241 141 * values to stack symbols later */
mbed_official 155:8435094ec241 142 .stack_dummy (COPY):
mbed_official 155:8435094ec241 143 {
mbed_official 155:8435094ec241 144 *(.stack*)
mbed_official 155:8435094ec241 145 } > RAM
mbed_official 155:8435094ec241 146
mbed_official 155:8435094ec241 147 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 155:8435094ec241 148 * size of stack_dummy section */
mbed_official 155:8435094ec241 149 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 155:8435094ec241 150 _estack = __StackTop;
mbed_official 155:8435094ec241 151 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 155:8435094ec241 152 PROVIDE(__stack = __StackTop);
mbed_official 155:8435094ec241 153
mbed_official 155:8435094ec241 154 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 155:8435094ec241 155 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 155:8435094ec241 156 }
mbed_official 155:8435094ec241 157