shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_ARM/LPC4088.ld@43:c8a187835cf1, 2013-11-04 (annotated)

Committer:
mbed_official
Date:
Mon Nov 04 10:30:05 2013 +0000
Revision:
43:c8a187835cf1
Child:
71:ca88dd32f209
Synchronized with git revision bb04bf917a5d1b0e03723aaae53bb7928bf28436

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 43:c8a187835cf1 1 /* Linker script for mbed LPC1768 */
mbed_official 43:c8a187835cf1 2
mbed_official 43:c8a187835cf1 3 /* Linker script to configure memory regions. */
mbed_official 43:c8a187835cf1 4 MEMORY
mbed_official 43:c8a187835cf1 5 {
mbed_official 43:c8a187835cf1 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
mbed_official 43:c8a187835cf1 7 RAM (rwx) : ORIGIN = 0x100000E8, LENGTH = (32K - 0xE8)
mbed_official 43:c8a187835cf1 8
mbed_official 43:c8a187835cf1 9 USB_RAM(rwx) : ORIGIN = 0x20000000, LENGTH = 16K
mbed_official 43:c8a187835cf1 10 ETH_RAM(rwx) : ORIGIN = 0x20004000, LENGTH = 16K
mbed_official 43:c8a187835cf1 11 }
mbed_official 43:c8a187835cf1 12
mbed_official 43:c8a187835cf1 13 /* Linker script to place sections and symbol values. Should be used together
mbed_official 43:c8a187835cf1 14 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 43:c8a187835cf1 15 * It references following symbols, which must be defined in code:
mbed_official 43:c8a187835cf1 16 * Reset_Handler : Entry of reset handler
mbed_official 43:c8a187835cf1 17 *
mbed_official 43:c8a187835cf1 18 * It defines following symbols, which code can use without definition:
mbed_official 43:c8a187835cf1 19 * __exidx_start
mbed_official 43:c8a187835cf1 20 * __exidx_end
mbed_official 43:c8a187835cf1 21 * __etext
mbed_official 43:c8a187835cf1 22 * __data_start__
mbed_official 43:c8a187835cf1 23 * __preinit_array_start
mbed_official 43:c8a187835cf1 24 * __preinit_array_end
mbed_official 43:c8a187835cf1 25 * __init_array_start
mbed_official 43:c8a187835cf1 26 * __init_array_end
mbed_official 43:c8a187835cf1 27 * __fini_array_start
mbed_official 43:c8a187835cf1 28 * __fini_array_end
mbed_official 43:c8a187835cf1 29 * __data_end__
mbed_official 43:c8a187835cf1 30 * __bss_start__
mbed_official 43:c8a187835cf1 31 * __bss_end__
mbed_official 43:c8a187835cf1 32 * __end__
mbed_official 43:c8a187835cf1 33 * end
mbed_official 43:c8a187835cf1 34 * __HeapLimit
mbed_official 43:c8a187835cf1 35 * __StackLimit
mbed_official 43:c8a187835cf1 36 * __StackTop
mbed_official 43:c8a187835cf1 37 * __stack
mbed_official 43:c8a187835cf1 38 */
mbed_official 43:c8a187835cf1 39 ENTRY(Reset_Handler)
mbed_official 43:c8a187835cf1 40
mbed_official 43:c8a187835cf1 41 SECTIONS
mbed_official 43:c8a187835cf1 42 {
mbed_official 43:c8a187835cf1 43 .text :
mbed_official 43:c8a187835cf1 44 {
mbed_official 43:c8a187835cf1 45 KEEP(*(.isr_vector))
mbed_official 43:c8a187835cf1 46 *(.text*)
mbed_official 43:c8a187835cf1 47
mbed_official 43:c8a187835cf1 48 KEEP(*(.init))
mbed_official 43:c8a187835cf1 49 KEEP(*(.fini))
mbed_official 43:c8a187835cf1 50
mbed_official 43:c8a187835cf1 51 /* .ctors */
mbed_official 43:c8a187835cf1 52 *crtbegin.o(.ctors)
mbed_official 43:c8a187835cf1 53 *crtbegin?.o(.ctors)
mbed_official 43:c8a187835cf1 54 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 43:c8a187835cf1 55 *(SORT(.ctors.*))
mbed_official 43:c8a187835cf1 56 *(.ctors)
mbed_official 43:c8a187835cf1 57
mbed_official 43:c8a187835cf1 58 /* .dtors */
mbed_official 43:c8a187835cf1 59 *crtbegin.o(.dtors)
mbed_official 43:c8a187835cf1 60 *crtbegin?.o(.dtors)
mbed_official 43:c8a187835cf1 61 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 43:c8a187835cf1 62 *(SORT(.dtors.*))
mbed_official 43:c8a187835cf1 63 *(.dtors)
mbed_official 43:c8a187835cf1 64
mbed_official 43:c8a187835cf1 65 *(.rodata*)
mbed_official 43:c8a187835cf1 66
mbed_official 43:c8a187835cf1 67 KEEP(*(.eh_frame*))
mbed_official 43:c8a187835cf1 68 } > FLASH
mbed_official 43:c8a187835cf1 69
mbed_official 43:c8a187835cf1 70 .ARM.extab :
mbed_official 43:c8a187835cf1 71 {
mbed_official 43:c8a187835cf1 72 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 43:c8a187835cf1 73 } > FLASH
mbed_official 43:c8a187835cf1 74
mbed_official 43:c8a187835cf1 75 __exidx_start = .;
mbed_official 43:c8a187835cf1 76 .ARM.exidx :
mbed_official 43:c8a187835cf1 77 {
mbed_official 43:c8a187835cf1 78 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 43:c8a187835cf1 79 } > FLASH
mbed_official 43:c8a187835cf1 80 __exidx_end = .;
mbed_official 43:c8a187835cf1 81
mbed_official 43:c8a187835cf1 82 __etext = .;
mbed_official 43:c8a187835cf1 83
mbed_official 43:c8a187835cf1 84 .data : AT (__etext)
mbed_official 43:c8a187835cf1 85 {
mbed_official 43:c8a187835cf1 86 __data_start__ = .;
mbed_official 43:c8a187835cf1 87 Image$$RW_IRAM1$$Base = .;
mbed_official 43:c8a187835cf1 88 *(vtable)
mbed_official 43:c8a187835cf1 89 *(.data*)
mbed_official 43:c8a187835cf1 90
mbed_official 43:c8a187835cf1 91 . = ALIGN(4);
mbed_official 43:c8a187835cf1 92 /* preinit data */
mbed_official 43:c8a187835cf1 93 PROVIDE (__preinit_array_start = .);
mbed_official 43:c8a187835cf1 94 KEEP(*(.preinit_array))
mbed_official 43:c8a187835cf1 95 PROVIDE (__preinit_array_end = .);
mbed_official 43:c8a187835cf1 96
mbed_official 43:c8a187835cf1 97 . = ALIGN(4);
mbed_official 43:c8a187835cf1 98 /* init data */
mbed_official 43:c8a187835cf1 99 PROVIDE (__init_array_start = .);
mbed_official 43:c8a187835cf1 100 KEEP(*(SORT(.init_array.*)))
mbed_official 43:c8a187835cf1 101 KEEP(*(.init_array))
mbed_official 43:c8a187835cf1 102 PROVIDE (__init_array_end = .);
mbed_official 43:c8a187835cf1 103
mbed_official 43:c8a187835cf1 104
mbed_official 43:c8a187835cf1 105 . = ALIGN(4);
mbed_official 43:c8a187835cf1 106 /* finit data */
mbed_official 43:c8a187835cf1 107 PROVIDE (__fini_array_start = .);
mbed_official 43:c8a187835cf1 108 KEEP(*(SORT(.fini_array.*)))
mbed_official 43:c8a187835cf1 109 KEEP(*(.fini_array))
mbed_official 43:c8a187835cf1 110 PROVIDE (__fini_array_end = .);
mbed_official 43:c8a187835cf1 111
mbed_official 43:c8a187835cf1 112 . = ALIGN(4);
mbed_official 43:c8a187835cf1 113 /* All data end */
mbed_official 43:c8a187835cf1 114 __data_end__ = .;
mbed_official 43:c8a187835cf1 115
mbed_official 43:c8a187835cf1 116 } > RAM
mbed_official 43:c8a187835cf1 117
mbed_official 43:c8a187835cf1 118
mbed_official 43:c8a187835cf1 119 .bss :
mbed_official 43:c8a187835cf1 120 {
mbed_official 43:c8a187835cf1 121 __bss_start__ = .;
mbed_official 43:c8a187835cf1 122 *(.bss*)
mbed_official 43:c8a187835cf1 123 *(COMMON)
mbed_official 43:c8a187835cf1 124 __bss_end__ = .;
mbed_official 43:c8a187835cf1 125 Image$$RW_IRAM1$$ZI$$Limit = . ;
mbed_official 43:c8a187835cf1 126 } > RAM
mbed_official 43:c8a187835cf1 127
mbed_official 43:c8a187835cf1 128
mbed_official 43:c8a187835cf1 129 .heap :
mbed_official 43:c8a187835cf1 130 {
mbed_official 43:c8a187835cf1 131 __end__ = .;
mbed_official 43:c8a187835cf1 132 end = __end__;
mbed_official 43:c8a187835cf1 133 *(.heap*)
mbed_official 43:c8a187835cf1 134 __HeapLimit = .;
mbed_official 43:c8a187835cf1 135 } > RAM
mbed_official 43:c8a187835cf1 136
mbed_official 43:c8a187835cf1 137 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 43:c8a187835cf1 138 * used for linker to calculate size of stack sections, and assign
mbed_official 43:c8a187835cf1 139 * values to stack symbols later */
mbed_official 43:c8a187835cf1 140 .stack_dummy :
mbed_official 43:c8a187835cf1 141 {
mbed_official 43:c8a187835cf1 142 *(.stack)
mbed_official 43:c8a187835cf1 143 } > RAM
mbed_official 43:c8a187835cf1 144
mbed_official 43:c8a187835cf1 145 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 43:c8a187835cf1 146 * size of stack_dummy section */
mbed_official 43:c8a187835cf1 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 43:c8a187835cf1 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 43:c8a187835cf1 149 PROVIDE(__stack = __StackTop);
mbed_official 43:c8a187835cf1 150
mbed_official 43:c8a187835cf1 151 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 43:c8a187835cf1 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 43:c8a187835cf1 153
mbed_official 43:c8a187835cf1 154
mbed_official 43:c8a187835cf1 155 /* Code can explicitly ask for data to be
mbed_official 43:c8a187835cf1 156 placed in these higher RAM banks where
mbed_official 43:c8a187835cf1 157 they will be left uninitialized.
mbed_official 43:c8a187835cf1 158 */
mbed_official 43:c8a187835cf1 159 .AHBSRAM0 (NOLOAD):
mbed_official 43:c8a187835cf1 160 {
mbed_official 43:c8a187835cf1 161 Image$$RW_IRAM2$$Base = . ;
mbed_official 43:c8a187835cf1 162 *(AHBSRAM0)
mbed_official 43:c8a187835cf1 163 Image$$RW_IRAM2$$ZI$$Limit = .;
mbed_official 43:c8a187835cf1 164 } > USB_RAM
mbed_official 43:c8a187835cf1 165
mbed_official 43:c8a187835cf1 166 .AHBSRAM1 (NOLOAD):
mbed_official 43:c8a187835cf1 167 {
mbed_official 43:c8a187835cf1 168 Image$$RW_IRAM3$$Base = . ;
mbed_official 43:c8a187835cf1 169 *(AHBSRAM1)
mbed_official 43:c8a187835cf1 170 Image$$RW_IRAM3$$ZI$$Limit = .;
mbed_official 43:c8a187835cf1 171 } > ETH_RAM
mbed_official 43:c8a187835cf1 172 }