Fawwaz Nadzmy / mbed-src

mbed library sources

Fork of mbed-src by mbed official

targets/cmsis/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32HG_STK3400/TOOLCHAIN_GCC_ARM/efm32hg.ld@593:78ee8643776a, 2015-07-20 (annotated)

Committer:
mbed_official
Date:
Mon Jul 20 09:00:09 2015 +0100
Revision:
593:78ee8643776a
Parent:
525:c320967f86b9 
Synchronized with git revision a68b724d07788e6389ea4d52c622aad767953758



Full URL: https://github.com/mbedmicro/mbed/commit/a68b724d07788e6389ea4d52c622aad767953758/



[Silicon Labs] Bring EFM32 HAL up to date

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 525:c320967f86b9 1 /* Linker script for Silicon Labs EFM32HG devices */
mbed_official 525:c320967f86b9 2 /* */
mbed_official 525:c320967f86b9 3 /* This file is subject to the license terms as defined in ARM's */
mbed_official 525:c320967f86b9 4 /* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of */
mbed_official 525:c320967f86b9 5 /* Example Code. */
mbed_official 525:c320967f86b9 6 /* */
mbed_official 525:c320967f86b9 7 /* Silicon Laboratories, Inc. 2015 */
mbed_official 525:c320967f86b9 8 /* */
mbed_official 525:c320967f86b9 9 /* Version 3.20.12 */
mbed_official 525:c320967f86b9 10 /* */
mbed_official 525:c320967f86b9 11 MEMORY
mbed_official 525:c320967f86b9 12 {
mbed_official 525:c320967f86b9 13 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 65536
mbed_official 525:c320967f86b9 14 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 8192
mbed_official 525:c320967f86b9 15 }
mbed_official 525:c320967f86b9 16
mbed_official 525:c320967f86b9 17 /* MBED: mbed needs to be able to dynamically set the interrupt vector table.
mbed_official 525:c320967f86b9 18 * We make room for the table at the very beginning of RAM, i.e. at
mbed_official 593:78ee8643776a 19 * 0x20000000. We need (16+21) * sizeof(uint32_t) = 144 bytes for EFM32HG */
mbed_official 593:78ee8643776a 20 __vector_size = 0x94;
mbed_official 525:c320967f86b9 21
mbed_official 525:c320967f86b9 22 /* Linker script to place sections and symbol values. Should be used together
mbed_official 525:c320967f86b9 23 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 525:c320967f86b9 24 * It references following symbols, which must be defined in code:
mbed_official 525:c320967f86b9 25 * Reset_Handler : Entry of reset handler
mbed_official 525:c320967f86b9 26 *
mbed_official 525:c320967f86b9 27 * It defines following symbols, which code can use without definition:
mbed_official 525:c320967f86b9 28 * __exidx_start
mbed_official 525:c320967f86b9 29 * __exidx_end
mbed_official 525:c320967f86b9 30 * __etext
mbed_official 525:c320967f86b9 31 * __data_start__
mbed_official 525:c320967f86b9 32 * __preinit_array_start
mbed_official 525:c320967f86b9 33 * __preinit_array_end
mbed_official 525:c320967f86b9 34 * __init_array_start
mbed_official 525:c320967f86b9 35 * __init_array_end
mbed_official 525:c320967f86b9 36 * __fini_array_start
mbed_official 525:c320967f86b9 37 * __fini_array_end
mbed_official 525:c320967f86b9 38 * __data_end__
mbed_official 525:c320967f86b9 39 * __bss_start__
mbed_official 525:c320967f86b9 40 * __bss_end__
mbed_official 525:c320967f86b9 41 * __end__
mbed_official 525:c320967f86b9 42 * end
mbed_official 525:c320967f86b9 43 * __HeapLimit
mbed_official 525:c320967f86b9 44 * __StackLimit
mbed_official 525:c320967f86b9 45 * __StackTop
mbed_official 525:c320967f86b9 46 * __stack
mbed_official 525:c320967f86b9 47 */
mbed_official 525:c320967f86b9 48 ENTRY(Reset_Handler)
mbed_official 525:c320967f86b9 49
mbed_official 525:c320967f86b9 50 SECTIONS
mbed_official 525:c320967f86b9 51 {
mbed_official 525:c320967f86b9 52 .text :
mbed_official 525:c320967f86b9 53 {
mbed_official 525:c320967f86b9 54 KEEP(*(.isr_vector))
mbed_official 525:c320967f86b9 55 *(.text*)
mbed_official 525:c320967f86b9 56
mbed_official 525:c320967f86b9 57 KEEP(*(.init))
mbed_official 525:c320967f86b9 58 KEEP(*(.fini))
mbed_official 525:c320967f86b9 59
mbed_official 525:c320967f86b9 60 /* .ctors */
mbed_official 525:c320967f86b9 61 *crtbegin.o(.ctors)
mbed_official 525:c320967f86b9 62 *crtbegin?.o(.ctors)
mbed_official 525:c320967f86b9 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 525:c320967f86b9 64 *(SORT(.ctors.*))
mbed_official 525:c320967f86b9 65 *(.ctors)
mbed_official 525:c320967f86b9 66
mbed_official 525:c320967f86b9 67 /* .dtors */
mbed_official 525:c320967f86b9 68 *crtbegin.o(.dtors)
mbed_official 525:c320967f86b9 69 *crtbegin?.o(.dtors)
mbed_official 525:c320967f86b9 70 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 525:c320967f86b9 71 *(SORT(.dtors.*))
mbed_official 525:c320967f86b9 72 *(.dtors)
mbed_official 525:c320967f86b9 73
mbed_official 525:c320967f86b9 74 *(.rodata*)
mbed_official 525:c320967f86b9 75
mbed_official 525:c320967f86b9 76 KEEP(*(.eh_frame*))
mbed_official 525:c320967f86b9 77 } > FLASH
mbed_official 525:c320967f86b9 78
mbed_official 525:c320967f86b9 79 .ARM.extab :
mbed_official 525:c320967f86b9 80 {
mbed_official 525:c320967f86b9 81 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 525:c320967f86b9 82 } > FLASH
mbed_official 525:c320967f86b9 83
mbed_official 525:c320967f86b9 84 __exidx_start = .;
mbed_official 525:c320967f86b9 85 .ARM.exidx :
mbed_official 525:c320967f86b9 86 {
mbed_official 525:c320967f86b9 87 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 525:c320967f86b9 88 } > FLASH
mbed_official 525:c320967f86b9 89 __exidx_end = .;
mbed_official 525:c320967f86b9 90
mbed_official 525:c320967f86b9 91 __etext = .;
mbed_official 525:c320967f86b9 92
mbed_official 525:c320967f86b9 93 .data : AT (__etext)
mbed_official 525:c320967f86b9 94 {
mbed_official 525:c320967f86b9 95 __data_start__ = .;
mbed_official 525:c320967f86b9 96 *("dma")
mbed_official 525:c320967f86b9 97 PROVIDE( __start_vector_table__ = .);
mbed_official 525:c320967f86b9 98 . += __vector_size;
mbed_official 525:c320967f86b9 99 PROVIDE( __end_vector_table__ = .);
mbed_official 525:c320967f86b9 100 *(vtable)
mbed_official 525:c320967f86b9 101 *(.data*)
mbed_official 525:c320967f86b9 102 . = ALIGN (4);
mbed_official 525:c320967f86b9 103 *(.ram)
mbed_official 525:c320967f86b9 104
mbed_official 525:c320967f86b9 105 . = ALIGN(4);
mbed_official 525:c320967f86b9 106 /* preinit data */
mbed_official 525:c320967f86b9 107 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 525:c320967f86b9 108 KEEP(*(.preinit_array))
mbed_official 525:c320967f86b9 109 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 525:c320967f86b9 110
mbed_official 525:c320967f86b9 111 . = ALIGN(4);
mbed_official 525:c320967f86b9 112 /* init data */
mbed_official 525:c320967f86b9 113 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 525:c320967f86b9 114 KEEP(*(SORT(.init_array.*)))
mbed_official 525:c320967f86b9 115 KEEP(*(.init_array))
mbed_official 525:c320967f86b9 116 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 525:c320967f86b9 117
mbed_official 525:c320967f86b9 118 . = ALIGN(4);
mbed_official 525:c320967f86b9 119 /* finit data */
mbed_official 525:c320967f86b9 120 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 525:c320967f86b9 121 KEEP(*(SORT(.fini_array.*)))
mbed_official 525:c320967f86b9 122 KEEP(*(.fini_array))
mbed_official 525:c320967f86b9 123 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 525:c320967f86b9 124
mbed_official 525:c320967f86b9 125 . = ALIGN(4);
mbed_official 525:c320967f86b9 126 /* All data end */
mbed_official 525:c320967f86b9 127 __data_end__ = .;
mbed_official 525:c320967f86b9 128
mbed_official 525:c320967f86b9 129 } > RAM
mbed_official 525:c320967f86b9 130
mbed_official 525:c320967f86b9 131 .bss :
mbed_official 525:c320967f86b9 132 {
mbed_official 525:c320967f86b9 133 __bss_start__ = .;
mbed_official 525:c320967f86b9 134 *(.bss*)
mbed_official 525:c320967f86b9 135 *(COMMON)
mbed_official 525:c320967f86b9 136 __bss_end__ = .;
mbed_official 525:c320967f86b9 137 } > RAM
mbed_official 525:c320967f86b9 138
mbed_official 525:c320967f86b9 139 .heap :
mbed_official 525:c320967f86b9 140 {
mbed_official 525:c320967f86b9 141 __end__ = .;
mbed_official 525:c320967f86b9 142 end = __end__;
mbed_official 525:c320967f86b9 143 _end = __end__;
mbed_official 525:c320967f86b9 144 *(.heap*)
mbed_official 525:c320967f86b9 145 __HeapLimit = .;
mbed_official 525:c320967f86b9 146 } > RAM
mbed_official 525:c320967f86b9 147
mbed_official 525:c320967f86b9 148 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 525:c320967f86b9 149 * used for linker to calculate size of stack sections, and assign
mbed_official 525:c320967f86b9 150 * values to stack symbols later */
mbed_official 525:c320967f86b9 151 .stack_dummy :
mbed_official 525:c320967f86b9 152 {
mbed_official 525:c320967f86b9 153 *(.stack)
mbed_official 525:c320967f86b9 154 } > RAM
mbed_official 525:c320967f86b9 155
mbed_official 525:c320967f86b9 156 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 525:c320967f86b9 157 * size of stack_dummy section */
mbed_official 525:c320967f86b9 158 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 525:c320967f86b9 159 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 525:c320967f86b9 160 PROVIDE(__stack = __StackTop);
mbed_official 525:c320967f86b9 161
mbed_official 525:c320967f86b9 162 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 525:c320967f86b9 163 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 525:c320967f86b9 164
mbed_official 525:c320967f86b9 165 /* Check if FLASH usage exceeds FLASH size */
mbed_official 525:c320967f86b9 166 ASSERT( LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")
mbed_official 525:c320967f86b9 167 }