164 lines
4.4 KiB
Plaintext
164 lines
4.4 KiB
Plaintext
/*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 MM32 SE TEAM
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* This file is part of the TinyUSB stack.
|
|
*/
|
|
|
|
/* Entry Point */
|
|
ENTRY(Reset_Handler)
|
|
|
|
/* Highest address of the user mode stack */
|
|
_estack = 0x2001FFFF; /* end of RAM */
|
|
|
|
/* Generate a link error if heap and stack don't fit into RAM */
|
|
_Min_Heap_Size = 0x200; /* required amount of heap */
|
|
_Min_Stack_Size = 0x400; /* required amount of stack */
|
|
|
|
/* Specify the memory areas */
|
|
MEMORY
|
|
{
|
|
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
|
|
}
|
|
|
|
/* Define output sections */
|
|
SECTIONS
|
|
{
|
|
/* The startup code goes first into FLASH */
|
|
.isr_vector :
|
|
{
|
|
. = ALIGN(4);
|
|
KEEP(*(.isr_vector)) /* Startup code */
|
|
. = ALIGN(4);
|
|
} >FLASH
|
|
|
|
/* The program code and other data goes into FLASH */
|
|
.text :
|
|
{
|
|
. = ALIGN(4);
|
|
*(.text) /* .text sections (code) */
|
|
*(.text*) /* .text* sections (code) */
|
|
*(.glue_7) /* glue arm to thumb code */
|
|
*(.glue_7t) /* glue thumb to arm code */
|
|
*(.eh_frame)
|
|
|
|
KEEP (*(.init))
|
|
KEEP (*(.fini))
|
|
|
|
. = ALIGN(4);
|
|
_etext = .; /* define a global symbols at end of code */
|
|
} >FLASH
|
|
|
|
/* Constant data goes into FLASH */
|
|
.rodata :
|
|
{
|
|
. = ALIGN(4);
|
|
*(.rodata) /* .rodata sections (constants, strings, etc.) */
|
|
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
|
|
. = ALIGN(4);
|
|
} >FLASH
|
|
|
|
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
|
|
.ARM : {
|
|
__exidx_start = .;
|
|
*(.ARM.exidx*)
|
|
__exidx_end = .;
|
|
} >FLASH
|
|
|
|
.preinit_array :
|
|
{
|
|
PROVIDE_HIDDEN (__preinit_array_start = .);
|
|
KEEP (*(.preinit_array*))
|
|
PROVIDE_HIDDEN (__preinit_array_end = .);
|
|
} >FLASH
|
|
.init_array :
|
|
{
|
|
PROVIDE_HIDDEN (__init_array_start = .);
|
|
KEEP (*(SORT(.init_array.*)))
|
|
KEEP (*(.init_array*))
|
|
PROVIDE_HIDDEN (__init_array_end = .);
|
|
} >FLASH
|
|
.fini_array :
|
|
{
|
|
PROVIDE_HIDDEN (__fini_array_start = .);
|
|
KEEP (*(SORT(.fini_array.*)))
|
|
KEEP (*(.fini_array*))
|
|
PROVIDE_HIDDEN (__fini_array_end = .);
|
|
} >FLASH
|
|
|
|
/* used by the startup to initialize data */
|
|
_sidata = LOADADDR(.data);
|
|
|
|
/* Initialized data sections goes into RAM, load LMA copy after code */
|
|
.data :
|
|
{
|
|
. = ALIGN(4);
|
|
_sdata = .; /* create a global symbol at data start */
|
|
*(.data) /* .data sections */
|
|
*(.data*) /* .data* sections */
|
|
|
|
. = ALIGN(4);
|
|
_edata = .; /* define a global symbol at data end */
|
|
} >RAM AT> FLASH
|
|
|
|
|
|
/* Uninitialized data section */
|
|
. = ALIGN(4);
|
|
.bss :
|
|
{
|
|
/* This is used by the startup in order to initialize the .bss section */
|
|
_sbss = .; /* define a global symbol at bss start */
|
|
__bss_start__ = _sbss;
|
|
*(.bss)
|
|
*(.bss*)
|
|
*(COMMON)
|
|
|
|
. = ALIGN(4);
|
|
_ebss = .; /* define a global symbol at bss end */
|
|
__bss_end__ = _ebss;
|
|
} >RAM
|
|
|
|
/* User_heap_stack section, used to check that there is enough RAM left */
|
|
._user_heap_stack :
|
|
{
|
|
. = ALIGN(8);
|
|
PROVIDE ( end = . );
|
|
PROVIDE ( _end = . );
|
|
. = . + _Min_Heap_Size;
|
|
. = . + _Min_Stack_Size;
|
|
. = ALIGN(8);
|
|
} >RAM
|
|
|
|
|
|
|
|
/* Remove information from the standard libraries */
|
|
/DISCARD/ :
|
|
{
|
|
libc.a ( * )
|
|
libm.a ( * )
|
|
libgcc.a ( * )
|
|
}
|
|
|
|
.ARM.attributes 0 : { *(.ARM.attributes) }
|
|
}
|