Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-25 01:05:27 +03:00
Code Issues Wiki Activity

F7 rework linker scripts

Browse source
This commit is contained in:
Sami Korhonen 2016-08-27 16:08:57 +03:00
parent a399c14bf9
commit fe96320bd0
2 changed files with 13 additions and 169 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/main/startup/startup_stm32f745xx.s
View file

@ -50,7 +50,6 @@
.global g_pfnVectors .global g_pfnVectors
.global Default_Handler .global Default_Handler
.global irq_stack
/* start address for the initialization values of the .data section. /* start address for the initialization values of the .data section.
defined in linker script */ defined in linker script */
@ -74,7 +73,7 @@ defined in linker script */
* @retval : None * @retval : None
*/ */
.section .text.Reset_Handler .section .text.Reset_Handler
.weak Reset_Handler .weak Reset_Handler
.type Reset_Handler, %function .type Reset_Handler, %function
Reset_Handler: Reset_Handler:
@ -136,17 +135,13 @@ Infinite_Loop:
* 0x0000.0000. * 0x0000.0000.
* *
*******************************************************************************/ *******************************************************************************/
.section .irqstack,"aw",%progbits .section .isr_vector,"a",%progbits
irq_stack:
.space 1024
.section .isr_vector,"a",%progbits
.type g_pfnVectors, %object .type g_pfnVectors, %object
.size g_pfnVectors, .-g_pfnVectors .size g_pfnVectors, .-g_pfnVectors
g_pfnVectors: g_pfnVectors:
.word irq_stack+1024 .word _estack
.word Reset_Handler .word Reset_Handler
.word NMI_Handler .word NMI_Handler
.word HardFault_Handler .word HardFault_Handler

167
src/main/target/stm32_flash_f745.ld
View file

@ -1,175 +1,24 @@
/* /*
***************************************************************************** *****************************************************************************
** **
** File : stm32_flash_f745.ld
** File : LinkerScript.ld
** **
** Abstract : Linker script for STM32F746ZGTx Device with ** Abstract : Linker script for STM32F745VGTx Device with
** 1024KByte FLASH, 320KByte RAM ** 1024KByte FLASH, 320KByte RAM
** **
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
** Target : STMicroelectronics STM32
**
**
** Distribution: The file is distributed as is, without any warranty
** of any kind.
**
** (c)Copyright Ac6.
** You may use this file as-is or modify it according to the needs of your
** project. Distribution of this file (unmodified or modified) is not
** permitted. Ac6 permit registered System Workbench for MCU users the
** rights to distribute the assembled, compiled & linked contents of this
** file as part of an application binary file, provided that it is built
** using the System Workbench for MCU toolchain.
**
***************************************************************************** *****************************************************************************
*/ */
/* Entry Point */ /* Entry Point */
ENTRY(Reset_Handler) ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20050000; /* 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 */ /* Specify the memory areas */
MEMORY MEMORY
{ {
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1M
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 320K RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 320K
MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K} MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
/* Define output sections */
SECTIONS
{
/* The program code and other data goes into FLASH */
.text :
{
PROVIDE (isr_vector_table_base = .);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
*(.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
.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 (*(.fini_array*))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = .;
/*
* Place the IRQ/bootstrap stack at the bottom of SRAM so that an overflow
* results in a hard fault.
*/
.istack (NOLOAD) :
{
. = ALIGN(4);
_irq_stack_end = . ;
*(.irqstack)
_irq_stack_top = . ;
} > RAM
/* 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 secion */
_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
/* MEMORY_bank1 section, code must be located here explicitly */
/* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
.memory_b1_text :
{
*(.mb1text) /* .mb1text sections (code) */
*(.mb1text*) /* .mb1text* sections (code) */
*(.mb1rodata) /* read-only data (constants) */
*(.mb1rodata*)
} >MEMORY_B1
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
} }
/* note CCM could be used for stack */
INCLUDE "stm32_flash.ld"