tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC43XX/TOOLCHAIN_GCC_ARM/LPC4330.ld

   1 /* Linker script for mbed LPC4330 */
   2
   3 /* Linker script to configure memory regions. */
   4 MEMORY
   5 {
   6   RAM0 (rwx) : ORIGIN = 0x10000114, LENGTH = (128K - 0x114)
   7   RAM1 (rwx) : ORIGIN = 0x10080000, LENGTH = 72K
   8
   9   RAM_AHB0 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
  10   RAM_AHB1 (rwx) : ORIGIN = 0x20008000, LENGTH = 32K
  11
  12   SPIFI (rx) : ORIGIN = 0x14000000, LENGTH = 32M
  13 }
  14
  15 /* Linker script to place sections and symbol values. Should be used together
  16  * with other linker script that defines memory regions FLASH and RAM.
  17  * It references following symbols, which must be defined in code:
  18  *   Reset_Handler : Entry of reset handler
  19  *
  20  * It defines following symbols, which code can use without definition:
  21  *   __exidx_start
  22  *   __exidx_end
  23  *   __etext
  24  *   __data_start__
  25  *   __preinit_array_start
  26  *   __preinit_array_end
  27  *   __init_array_start
  28  *   __init_array_end
  29  *   __fini_array_start
  30  *   __fini_array_end
  31  *   __data_end__
  32  *   __bss_start__
  33  *   __bss_end__
  34  *   __end__
  35  *   end
  36  *   __HeapLimit
  37  *   __StackLimit
  38  *   __StackTop
  39  *   __stack
  40  */
  41 ENTRY(Reset_Handler)
  42
  43 SECTIONS
  44 {
  45     .text :
  46     {
  47         KEEP(*(.isr_vector))
  48         *(.text*)
  49
  50         KEEP(*(.init))
  51         KEEP(*(.fini))
  52
  53         /* .ctors */
  54         *crtbegin.o(.ctors)
  55         *crtbegin?.o(.ctors)
  56         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
  57         *(SORT(.ctors.*))
  58         *(.ctors)
  59
  60         /* .dtors */
  61         *crtbegin.o(.dtors)
  62         *crtbegin?.o(.dtors)
  63         *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
  64         *(SORT(.dtors.*))
  65         *(.dtors)
  66
  67         *(.rodata*)
  68
  69         KEEP(*(.eh_frame*))
  70     } > SPIFI
  71
  72     .ARM.extab :
  73     {
  74         *(.ARM.extab* .gnu.linkonce.armextab.*)
  75     } > SPIFI
  76
  77     __exidx_start = .;
  78     .ARM.exidx :
  79     {
  80         *(.ARM.exidx* .gnu.linkonce.armexidx.*)
  81     } > SPIFI
  82     __exidx_end = .;
  83
  84     __etext = .;
  85
  86     .data : AT (__etext)
  87     {
  88         __data_start__ = .;
  89         Image$$RW_IRAM1$$Base = .;
  90         *(vtable)
  91         *(.data*)
  92
  93         . = ALIGN(4);
  94         /* preinit data */
  95         PROVIDE (__preinit_array_start = .);
  96         KEEP(*(.preinit_array))
  97         PROVIDE (__preinit_array_end = .);
  98
  99         . = ALIGN(4);
 100         /* init data */
 101         PROVIDE (__init_array_start = .);
 102         KEEP(*(SORT(.init_array.*)))
 103         KEEP(*(.init_array))
 104         PROVIDE (__init_array_end = .);
 105
 106
 107         . = ALIGN(4);
 108         /* finit data */
 109         PROVIDE (__fini_array_start = .);
 110         KEEP(*(SORT(.fini_array.*)))
 111         KEEP(*(.fini_array))
 112         PROVIDE (__fini_array_end = .);
 113
 114         . = ALIGN(4);
 115         /* All data end */
 116         __data_end__ = .;
 117
 118     } > RAM0
 119
 120
 121     .bss :
 122     {
 123         __bss_start__ = .;
 124         *(.bss*)
 125         *(COMMON)
 126         __bss_end__ = .;
 127         Image$$RW_IRAM1$$ZI$$Limit = . ;
 128     } > RAM1
 129
 130
 131     .heap :
 132     {
 133         __end__ = .;
 134         end = __end__;
 135         *(.heap*)
 136         __HeapLimit = .;
 137     } > RAM1
 138
 139     /* .stack_dummy section doesn't contains any symbols. It is only
 140      * used for linker to calculate size of stack sections, and assign
 141      * values to stack symbols later */
 142     .stack_dummy :
 143     {
 144         *(.stack)
 145     } > RAM1
 146
 147     /* Set stack top to end of RAM, and stack limit move down by
 148      * size of stack_dummy section */
 149     __StackTop = ORIGIN(RAM1) + LENGTH(RAM1);
 150     __StackLimit = __StackTop - SIZEOF(.stack_dummy);
 151     PROVIDE(__stack = __StackTop);
 152
 153     /* Check if data + heap + stack exceeds RAM limit */
 154     ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
 155
 156
 157     /* Code can explicitly ask for data to be
 158        placed in these higher RAM banks where
 159        they will be left uninitialized.
 160     */
 161     .AHBSRAM0 (NOLOAD):
 162     {
 163         Image$$RW_IRAM2$$Base = . ;
 164         *(AHBSRAM0)
 165         Image$$RW_IRAM2$$ZI$$Limit = .;
 166     } > RAM_AHB0
 167
 168     .AHBSRAM1 (NOLOAD):
 169     {
 170         Image$$RW_IRAM3$$Base = . ;
 171         *(AHBSRAM1)
 172         Image$$RW_IRAM3$$ZI$$Limit = .;
 173     } > RAM_AHB1
 174 }