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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* Linker script for STM32F407 when running from flash and using the bootloader */
/* Linker script to configure memory regions. */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* First image slot. */
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
}
/* Linker script to place sections and symbol values. Should be used together
* with other linker script that defines memory regions FLASH and RAM.
* It references following symbols, which must be defined in code:
* Reset_Handler : Entry of reset handler
*
* It defines following symbols, which code can use without definition:
* __exidx_start
* __exidx_end
* __etext
* __data_start__
* __preinit_array_start
* __preinit_array_end
* __init_array_start
* __init_array_end
* __fini_array_start
* __fini_array_end
* __data_end__
* __bss_start__
* __bss_end__
* __end__
* end
* __HeapBase
* __HeapLimit
* __StackLimit
* __StackTop
* __stack
* __coredata_start__
* __coredata_end__
* __corebss_start__
* __corebss_end__
* __ecoredata
* __ecorebss
*/
ENTRY(Reset_Handler)
SECTIONS
{
/* Reserve space at the start of the image for the header. */
.imghdr (NOLOAD):
{
. = . + 0x20;
} > FLASH
.text :
{
__isr_vector_start = .;
KEEP(*(.isr_vector))
__isr_vector_end = .;
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
/* .ctors */
*crtbegin.o(.ctors)
*crtbegin?.o(.ctors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
*(SORT(.ctors.*))
*(.ctors)
/* .dtors */
*crtbegin.o(.dtors)
*crtbegin?.o(.dtors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
*(SORT(.dtors.*))
*(.dtors)
*(.rodata*)
KEEP(*(.eh_frame*))
} > FLASH
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > FLASH
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > FLASH
__exidx_end = .;
__etext = .;
.vector_relocation :
{
. = ALIGN(4);
__vector_tbl_reloc__ = .;
. = . + (__isr_vector_end - __isr_vector_start);
. = ALIGN(4);
} > RAM
.coredata : AT (__etext)
{
__coredata_start__ = .;
*(.data.core)
. = ALIGN(4);
__coredata_end__ = .;
} > CCM
__ecoredata = __etext + SIZEOF(.coredata);
.data : AT (__ecoredata)
{
__data_start__ = .;
*(vtable)
*(.data*)
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(4);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(4);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(4);
/* All data end */
__data_end__ = .;
} > RAM
.corebss (NOLOAD):
{
. = ALIGN(4);
__corebss_start__ = .;
*(.bss.core)
. = ALIGN(4);
__corebss_end__ = .;
*(.corebss*)
*(.bss.core.nz)
. = ALIGN(4);
__ecorebss = .;
} > CCM
.bss :
{
. = ALIGN(4);
__bss_start__ = .;
*(.bss*)
*(COMMON)
. = ALIGN(4);
__bss_end__ = .;
} > RAM
__HeapBase = .;
__HeapLimit = ORIGIN(RAM) + LENGTH(RAM);
/* .stack_dummy section doesn't contains any symbols. It is only
* used for linker to calculate size of stack sections, and assign
* values to stack symbols later */
.stack_dummy (COPY):
{
*(.stack*)
} > CCM
/* Set stack top to end of CCM; stack limit is bottom of stack */
__StackTop = ORIGIN(CCM) + LENGTH(CCM);
__StackLimit = __StackTop - SIZEOF(.stack_dummy);
PROVIDE(__stack = __StackTop);
/* Check for CCM overflow */
ASSERT(__StackLimit >= __ecorebss, "CCM overflow!")
}
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