mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/device/TOOLCHAIN_GCC_ARM/STM32F207ZGTx_FLASH.ld@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 188:bcfe06ba3d64 1 #if !defined(MBED_APP_START)
AnnaBridge 188:bcfe06ba3d64 2 #define MBED_APP_START 0x8000000
AnnaBridge 188:bcfe06ba3d64 3 #endif
AnnaBridge 188:bcfe06ba3d64 4
AnnaBridge 188:bcfe06ba3d64 5 #if !defined(MBED_APP_SIZE)
AnnaBridge 188:bcfe06ba3d64 6 #define MBED_APP_SIZE 1024k
AnnaBridge 188:bcfe06ba3d64 7 #endif
AnnaBridge 188:bcfe06ba3d64 8
<> 144:ef7eb2e8f9f7 9 /* Linker script to configure memory regions. */
<> 144:ef7eb2e8f9f7 10 /* 97 vectors * 4 bytes = 388 bytes to reserve (0x184) */
AnnaBridge 188:bcfe06ba3d64 11 /* 8-byte aligned(0x184) = 0x188 */
<> 144:ef7eb2e8f9f7 12 MEMORY
AnnaBridge 188:bcfe06ba3d64 13 {
AnnaBridge 188:bcfe06ba3d64 14 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 188:bcfe06ba3d64 15 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 128K - 0x188
<> 144:ef7eb2e8f9f7 16 }
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 /* Linker script to place sections and symbol values. Should be used together
<> 144:ef7eb2e8f9f7 19 * with other linker script that defines memory regions FLASH and RAM.
<> 144:ef7eb2e8f9f7 20 * It references following symbols, which must be defined in code:
<> 144:ef7eb2e8f9f7 21 * Reset_Handler : Entry of reset handler
AnnaBridge 188:bcfe06ba3d64 22 *
<> 144:ef7eb2e8f9f7 23 * It defines following symbols, which code can use without definition:
<> 144:ef7eb2e8f9f7 24 * __exidx_start
<> 144:ef7eb2e8f9f7 25 * __exidx_end
<> 144:ef7eb2e8f9f7 26 * __etext
<> 144:ef7eb2e8f9f7 27 * __data_start__
<> 144:ef7eb2e8f9f7 28 * __preinit_array_start
<> 144:ef7eb2e8f9f7 29 * __preinit_array_end
<> 144:ef7eb2e8f9f7 30 * __init_array_start
<> 144:ef7eb2e8f9f7 31 * __init_array_end
<> 144:ef7eb2e8f9f7 32 * __fini_array_start
<> 144:ef7eb2e8f9f7 33 * __fini_array_end
<> 144:ef7eb2e8f9f7 34 * __data_end__
<> 144:ef7eb2e8f9f7 35 * __bss_start__
<> 144:ef7eb2e8f9f7 36 * __bss_end__
<> 144:ef7eb2e8f9f7 37 * __end__
<> 144:ef7eb2e8f9f7 38 * end
<> 144:ef7eb2e8f9f7 39 * __HeapLimit
<> 144:ef7eb2e8f9f7 40 * __StackLimit
<> 144:ef7eb2e8f9f7 41 * __StackTop
<> 144:ef7eb2e8f9f7 42 * __stack
<> 144:ef7eb2e8f9f7 43 * _estack
<> 144:ef7eb2e8f9f7 44 */
<> 144:ef7eb2e8f9f7 45 ENTRY(Reset_Handler)
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 SECTIONS
<> 144:ef7eb2e8f9f7 48 {
<> 144:ef7eb2e8f9f7 49 .text :
<> 144:ef7eb2e8f9f7 50 {
<> 144:ef7eb2e8f9f7 51 KEEP(*(.isr_vector))
<> 144:ef7eb2e8f9f7 52 *(.text*)
<> 144:ef7eb2e8f9f7 53 KEEP(*(.init))
<> 144:ef7eb2e8f9f7 54 KEEP(*(.fini))
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 /* .ctors */
<> 144:ef7eb2e8f9f7 57 *crtbegin.o(.ctors)
<> 144:ef7eb2e8f9f7 58 *crtbegin?.o(.ctors)
<> 144:ef7eb2e8f9f7 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
<> 144:ef7eb2e8f9f7 60 *(SORT(.ctors.*))
<> 144:ef7eb2e8f9f7 61 *(.ctors)
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 /* .dtors */
<> 144:ef7eb2e8f9f7 64 *crtbegin.o(.dtors)
<> 144:ef7eb2e8f9f7 65 *crtbegin?.o(.dtors)
<> 144:ef7eb2e8f9f7 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
<> 144:ef7eb2e8f9f7 67 *(SORT(.dtors.*))
<> 144:ef7eb2e8f9f7 68 *(.dtors)
<> 144:ef7eb2e8f9f7 69
<> 144:ef7eb2e8f9f7 70 *(.rodata*)
<> 144:ef7eb2e8f9f7 71
<> 144:ef7eb2e8f9f7 72 KEEP(*(.eh_frame*))
<> 144:ef7eb2e8f9f7 73 } > FLASH
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 .ARM.extab :
<> 144:ef7eb2e8f9f7 76 {
<> 144:ef7eb2e8f9f7 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
<> 144:ef7eb2e8f9f7 78 } > FLASH
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 __exidx_start = .;
<> 144:ef7eb2e8f9f7 81 .ARM.exidx :
<> 144:ef7eb2e8f9f7 82 {
<> 144:ef7eb2e8f9f7 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
<> 144:ef7eb2e8f9f7 84 } > FLASH
<> 144:ef7eb2e8f9f7 85 __exidx_end = .;
<> 144:ef7eb2e8f9f7 86
<> 144:ef7eb2e8f9f7 87 __etext = .;
<> 144:ef7eb2e8f9f7 88 _sidata = .;
<> 144:ef7eb2e8f9f7 89
<> 144:ef7eb2e8f9f7 90 .data : AT (__etext)
<> 144:ef7eb2e8f9f7 91 {
<> 144:ef7eb2e8f9f7 92 __data_start__ = .;
<> 144:ef7eb2e8f9f7 93 _sdata = .;
<> 144:ef7eb2e8f9f7 94 *(vtable)
<> 144:ef7eb2e8f9f7 95 *(.data*)
<> 144:ef7eb2e8f9f7 96
AnnaBridge 188:bcfe06ba3d64 97 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 98 /* preinit data */
<> 144:ef7eb2e8f9f7 99 PROVIDE_HIDDEN (__preinit_array_start = .);
<> 144:ef7eb2e8f9f7 100 KEEP(*(.preinit_array))
<> 144:ef7eb2e8f9f7 101 PROVIDE_HIDDEN (__preinit_array_end = .);
<> 144:ef7eb2e8f9f7 102
AnnaBridge 188:bcfe06ba3d64 103 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 104 /* init data */
<> 144:ef7eb2e8f9f7 105 PROVIDE_HIDDEN (__init_array_start = .);
<> 144:ef7eb2e8f9f7 106 KEEP(*(SORT(.init_array.*)))
<> 144:ef7eb2e8f9f7 107 KEEP(*(.init_array))
<> 144:ef7eb2e8f9f7 108 PROVIDE_HIDDEN (__init_array_end = .);
<> 144:ef7eb2e8f9f7 109
<> 144:ef7eb2e8f9f7 110
AnnaBridge 188:bcfe06ba3d64 111 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 112 /* finit data */
<> 144:ef7eb2e8f9f7 113 PROVIDE_HIDDEN (__fini_array_start = .);
<> 144:ef7eb2e8f9f7 114 KEEP(*(SORT(.fini_array.*)))
<> 144:ef7eb2e8f9f7 115 KEEP(*(.fini_array))
<> 144:ef7eb2e8f9f7 116 PROVIDE_HIDDEN (__fini_array_end = .);
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118 KEEP(*(.jcr*))
AnnaBridge 188:bcfe06ba3d64 119 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 120 /* All data end */
<> 144:ef7eb2e8f9f7 121 __data_end__ = .;
<> 144:ef7eb2e8f9f7 122 _edata = .;
<> 144:ef7eb2e8f9f7 123
<> 144:ef7eb2e8f9f7 124 } > RAM
<> 144:ef7eb2e8f9f7 125
<> 144:ef7eb2e8f9f7 126 .bss :
<> 144:ef7eb2e8f9f7 127 {
AnnaBridge 188:bcfe06ba3d64 128 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 129 __bss_start__ = .;
<> 144:ef7eb2e8f9f7 130 _sbss = .;
<> 144:ef7eb2e8f9f7 131 *(.bss*)
<> 144:ef7eb2e8f9f7 132 *(COMMON)
AnnaBridge 188:bcfe06ba3d64 133 . = ALIGN(8);
<> 144:ef7eb2e8f9f7 134 __bss_end__ = .;
<> 144:ef7eb2e8f9f7 135 _ebss = .;
<> 144:ef7eb2e8f9f7 136 } > RAM
<> 144:ef7eb2e8f9f7 137
<> 144:ef7eb2e8f9f7 138 .heap (COPY):
<> 144:ef7eb2e8f9f7 139 {
<> 144:ef7eb2e8f9f7 140 __end__ = .;
<> 144:ef7eb2e8f9f7 141 end = __end__;
<> 144:ef7eb2e8f9f7 142 *(.heap*)
<> 144:ef7eb2e8f9f7 143 __HeapLimit = .;
<> 144:ef7eb2e8f9f7 144 } > RAM
<> 144:ef7eb2e8f9f7 145
<> 144:ef7eb2e8f9f7 146 /* .stack_dummy section doesn't contains any symbols. It is only
<> 144:ef7eb2e8f9f7 147 * used for linker to calculate size of stack sections, and assign
<> 144:ef7eb2e8f9f7 148 * values to stack symbols later */
<> 144:ef7eb2e8f9f7 149 .stack_dummy (COPY):
<> 144:ef7eb2e8f9f7 150 {
<> 144:ef7eb2e8f9f7 151 *(.stack*)
<> 144:ef7eb2e8f9f7 152 } > RAM
<> 144:ef7eb2e8f9f7 153
<> 144:ef7eb2e8f9f7 154 /* Set stack top to end of RAM, and stack limit move down by
<> 144:ef7eb2e8f9f7 155 * size of stack_dummy section */
<> 144:ef7eb2e8f9f7 156 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
<> 144:ef7eb2e8f9f7 157 _estack = __StackTop;
<> 144:ef7eb2e8f9f7 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
<> 144:ef7eb2e8f9f7 159 PROVIDE(__stack = __StackTop);
<> 144:ef7eb2e8f9f7 160
<> 144:ef7eb2e8f9f7 161 /* Check if data + heap + stack exceeds RAM limit */
<> 144:ef7eb2e8f9f7 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
<> 144:ef7eb2e8f9f7 163 }