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_DISCO_F303VC/TOOLCHAIN_GCC_ARM/STM32F303.ld@157:90e3acc479a2, 2014-04-11 (annotated)

Committer:
mbed_official
Date:
Fri Apr 11 17:15:06 2014 +0100
Revision:
157:90e3acc479a2
Synchronized with git revision 6e20ca17847dceb62132bf3d8519876411e175bf



Full URL: https://github.com/mbedmicro/mbed/commit/6e20ca17847dceb62132bf3d8519876411e175bf/



[STM32F3-Discovery][DISCO_F303VC] initial port.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 157:90e3acc479a2 1 /* Linker script for STM32F */
mbed_official 157:90e3acc479a2 2
mbed_official 157:90e3acc479a2 3 /* Linker script to configure memory regions. */
mbed_official 157:90e3acc479a2 4 MEMORY
mbed_official 157:90e3acc479a2 5 {
mbed_official 157:90e3acc479a2 6 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K
mbed_official 157:90e3acc479a2 7 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 8K
mbed_official 157:90e3acc479a2 8 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 40k - 0x188
mbed_official 157:90e3acc479a2 9 }
mbed_official 157:90e3acc479a2 10
mbed_official 157:90e3acc479a2 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 157:90e3acc479a2 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 157:90e3acc479a2 13 * It references following symbols, which must be defined in code:
mbed_official 157:90e3acc479a2 14 * Reset_Handler : Entry of reset handler
mbed_official 157:90e3acc479a2 15 *
mbed_official 157:90e3acc479a2 16 * It defines following symbols, which code can use without definition:
mbed_official 157:90e3acc479a2 17 * __exidx_start
mbed_official 157:90e3acc479a2 18 * __exidx_end
mbed_official 157:90e3acc479a2 19 * __etext
mbed_official 157:90e3acc479a2 20 * __data_start__
mbed_official 157:90e3acc479a2 21 * __preinit_array_start
mbed_official 157:90e3acc479a2 22 * __preinit_array_end
mbed_official 157:90e3acc479a2 23 * __init_array_start
mbed_official 157:90e3acc479a2 24 * __init_array_end
mbed_official 157:90e3acc479a2 25 * __fini_array_start
mbed_official 157:90e3acc479a2 26 * __fini_array_end
mbed_official 157:90e3acc479a2 27 * __data_end__
mbed_official 157:90e3acc479a2 28 * __bss_start__
mbed_official 157:90e3acc479a2 29 * __bss_end__
mbed_official 157:90e3acc479a2 30 * __end__
mbed_official 157:90e3acc479a2 31 * end
mbed_official 157:90e3acc479a2 32 * __HeapLimit
mbed_official 157:90e3acc479a2 33 * __StackLimit
mbed_official 157:90e3acc479a2 34 * __StackTop
mbed_official 157:90e3acc479a2 35 * __stack
mbed_official 157:90e3acc479a2 36 */
mbed_official 157:90e3acc479a2 37 ENTRY(Reset_Handler)
mbed_official 157:90e3acc479a2 38
mbed_official 157:90e3acc479a2 39 SECTIONS
mbed_official 157:90e3acc479a2 40 {
mbed_official 157:90e3acc479a2 41 .text :
mbed_official 157:90e3acc479a2 42 {
mbed_official 157:90e3acc479a2 43 KEEP(*(.isr_vector))
mbed_official 157:90e3acc479a2 44 *(.text*)
mbed_official 157:90e3acc479a2 45 /* KEEP(.ioview) */
mbed_official 157:90e3acc479a2 46 KEEP(*(.init))
mbed_official 157:90e3acc479a2 47 KEEP(*(.fini))
mbed_official 157:90e3acc479a2 48
mbed_official 157:90e3acc479a2 49 /* .ctors */
mbed_official 157:90e3acc479a2 50 *crtbegin.o(.ctors)
mbed_official 157:90e3acc479a2 51 *crtbegin?.o(.ctors)
mbed_official 157:90e3acc479a2 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 157:90e3acc479a2 53 *(SORT(.ctors.*))
mbed_official 157:90e3acc479a2 54 *(.ctors)
mbed_official 157:90e3acc479a2 55
mbed_official 157:90e3acc479a2 56 /* .dtors */
mbed_official 157:90e3acc479a2 57 *crtbegin.o(.dtors)
mbed_official 157:90e3acc479a2 58 *crtbegin?.o(.dtors)
mbed_official 157:90e3acc479a2 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 157:90e3acc479a2 60 *(SORT(.dtors.*))
mbed_official 157:90e3acc479a2 61 *(.dtors)
mbed_official 157:90e3acc479a2 62
mbed_official 157:90e3acc479a2 63 *(.rodata*)
mbed_official 157:90e3acc479a2 64
mbed_official 157:90e3acc479a2 65 KEEP(*(.eh_frame*))
mbed_official 157:90e3acc479a2 66 } > FLASH
mbed_official 157:90e3acc479a2 67
mbed_official 157:90e3acc479a2 68 .ARM.extab :
mbed_official 157:90e3acc479a2 69 {
mbed_official 157:90e3acc479a2 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 157:90e3acc479a2 71 } > FLASH
mbed_official 157:90e3acc479a2 72
mbed_official 157:90e3acc479a2 73 __exidx_start = .;
mbed_official 157:90e3acc479a2 74 .ARM.exidx :
mbed_official 157:90e3acc479a2 75 {
mbed_official 157:90e3acc479a2 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 157:90e3acc479a2 77 } > FLASH
mbed_official 157:90e3acc479a2 78 __exidx_end = .;
mbed_official 157:90e3acc479a2 79
mbed_official 157:90e3acc479a2 80 __etext = .;
mbed_official 157:90e3acc479a2 81 _sidata = .;
mbed_official 157:90e3acc479a2 82
mbed_official 157:90e3acc479a2 83 .data : AT (__etext)
mbed_official 157:90e3acc479a2 84 {
mbed_official 157:90e3acc479a2 85 __data_start__ = .;
mbed_official 157:90e3acc479a2 86 _sdata = .;
mbed_official 157:90e3acc479a2 87 *(vtable)
mbed_official 157:90e3acc479a2 88 *(.data*)
mbed_official 157:90e3acc479a2 89
mbed_official 157:90e3acc479a2 90 . = ALIGN(4);
mbed_official 157:90e3acc479a2 91 /* preinit data */
mbed_official 157:90e3acc479a2 92 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 157:90e3acc479a2 93 KEEP(*(.preinit_array))
mbed_official 157:90e3acc479a2 94 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 157:90e3acc479a2 95
mbed_official 157:90e3acc479a2 96 . = ALIGN(4);
mbed_official 157:90e3acc479a2 97 /* init data */
mbed_official 157:90e3acc479a2 98 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 157:90e3acc479a2 99 KEEP(*(SORT(.init_array.*)))
mbed_official 157:90e3acc479a2 100 KEEP(*(.init_array))
mbed_official 157:90e3acc479a2 101 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 157:90e3acc479a2 102
mbed_official 157:90e3acc479a2 103
mbed_official 157:90e3acc479a2 104 . = ALIGN(4);
mbed_official 157:90e3acc479a2 105 /* finit data */
mbed_official 157:90e3acc479a2 106 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 157:90e3acc479a2 107 KEEP(*(SORT(.fini_array.*)))
mbed_official 157:90e3acc479a2 108 KEEP(*(.fini_array))
mbed_official 157:90e3acc479a2 109 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 157:90e3acc479a2 110
mbed_official 157:90e3acc479a2 111 KEEP(*(.jcr*))
mbed_official 157:90e3acc479a2 112 . = ALIGN(4);
mbed_official 157:90e3acc479a2 113 /* All data end */
mbed_official 157:90e3acc479a2 114 __data_end__ = .;
mbed_official 157:90e3acc479a2 115 _edata = .;
mbed_official 157:90e3acc479a2 116
mbed_official 157:90e3acc479a2 117 } > RAM
mbed_official 157:90e3acc479a2 118
mbed_official 157:90e3acc479a2 119 .bss :
mbed_official 157:90e3acc479a2 120 {
mbed_official 157:90e3acc479a2 121 . = ALIGN(4);
mbed_official 157:90e3acc479a2 122 __bss_start__ = .;
mbed_official 157:90e3acc479a2 123 _sbss = .;
mbed_official 157:90e3acc479a2 124 *(.bss*)
mbed_official 157:90e3acc479a2 125 *(COMMON)
mbed_official 157:90e3acc479a2 126 . = ALIGN(4);
mbed_official 157:90e3acc479a2 127 __bss_end__ = .;
mbed_official 157:90e3acc479a2 128 _ebss = .;
mbed_official 157:90e3acc479a2 129 } > RAM
mbed_official 157:90e3acc479a2 130
mbed_official 157:90e3acc479a2 131 .heap (COPY):
mbed_official 157:90e3acc479a2 132 {
mbed_official 157:90e3acc479a2 133 __end__ = .;
mbed_official 157:90e3acc479a2 134 end = __end__;
mbed_official 157:90e3acc479a2 135 *(.heap*)
mbed_official 157:90e3acc479a2 136 __HeapLimit = .;
mbed_official 157:90e3acc479a2 137 } > RAM
mbed_official 157:90e3acc479a2 138
mbed_official 157:90e3acc479a2 139 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 157:90e3acc479a2 140 * used for linker to calculate size of stack sections, and assign
mbed_official 157:90e3acc479a2 141 * values to stack symbols later */
mbed_official 157:90e3acc479a2 142 .stack_dummy (COPY):
mbed_official 157:90e3acc479a2 143 {
mbed_official 157:90e3acc479a2 144 *(.stack*)
mbed_official 157:90e3acc479a2 145 } > RAM
mbed_official 157:90e3acc479a2 146
mbed_official 157:90e3acc479a2 147 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 157:90e3acc479a2 148 * size of stack_dummy section */
mbed_official 157:90e3acc479a2 149 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 157:90e3acc479a2 150 _estack = __StackTop;
mbed_official 157:90e3acc479a2 151 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 157:90e3acc479a2 152 PROVIDE(__stack = __StackTop);
mbed_official 157:90e3acc479a2 153
mbed_official 157:90e3acc479a2 154 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 157:90e3acc479a2 155 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 157:90e3acc479a2 156 }
mbed_official 157:90e3acc479a2 157