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Incorporated modified Linker Scripts; add compiler flags and reallyclean option

master
Mike Szczys 9 years ago
parent
commit
8ec785db3f
  1. 128
      Device/ldscripts/sections_flash.ld
  2. 15
      Device/ldscripts/stm32f0.ld
  3. 20
      Device/ldscripts/stm32f0discovery_def.ld
  4. 32
      Makefile

128
Device/ldscripts/sections_flash.ld

@ -0,0 +1,128 @@
/*
Common part of the linker scripts for STR71x devices in FLASH mode
(that is, the FLASH is seen at 0)
Copyright RAISONANCE 2005
You can use, modify and distribute this file freely, but without any warranty.
*/
/* Sections Definitions */
SECTIONS
{
/* for Cortex devices, the beginning of the startup code is stored in the .isr_vector section, which goes to FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
/* the program code is stored in the .text section, which goes to Flash */
.text :
{
. = ALIGN(4);
*(.text) /* normal code */
*(.text.*) /* -ffunction-sections code */
*(.rodata) /* read-only data (constants) */
*(.rodata*) /* -fdata-sections read only data */
*(.glue_7) /* TBD - needed ? */
*(.glue_7t) /* TBD - needed ? */
/* Necessary KEEP sections (see http://sourceware.org/ml/newlib/2005/msg00255.html) */
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .;
/* This is used by the startup in order to initialize the .data section */
_sidata = _etext;
} >FLASH
/* This is the initialized data section
The program executes knowing that the data is in the RAM
but the loader puts the initial values in the FLASH (inidata).
It is one task of the startup to copy the initial values from FLASH to RAM. */
.data : AT ( _sidata )
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_sdata = . ;
_data = . ;
*(.data)
*(.data.*)
*(.RAMtext)
. = ALIGN(4);
/* This is used by the startup in order to initialize the .data secion */
_edata = . ;
} >RAM
/* This is the uninitialized data section */
.bss :
{
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .;
_bss = .;
*(.bss)
*(.bss.*) /* patched by elias - allows the use of -fdata-sections */
*(COMMON)
. = ALIGN(4);
/* This is used by the startup in order to initialize the .bss secion */
_ebss = . ;
} >RAM
PROVIDE ( end = _ebss );
PROVIDE ( _end = _ebss );
__exidx_start = .;
__exidx_end = .;
/* after that it's only debugging information. */
/* remove the debugging information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
}

15
Device/ldscripts/stm32f0.ld

@ -0,0 +1,15 @@
/*
Default linker script for STM32F051R8T6 64k 8k
Copyright RAISONANCE S.A.S. 2007
!!! This file is automatically generated by RIDE !!!
Do not modify it, as it will be erased at every link.
You can use, copy and distribute this file freely, but without any waranty.
*/
/* include the memory spaces definitions sub-script */
INCLUDE "stm32f0discovery_def.ld"
/* include the sections management sub-script for FLASH mode */
INCLUDE "sections_flash.ld"

20
Device/ldscripts/stm32f0discovery_def.ld

@ -0,0 +1,20 @@
/*
Linker subscript for STM32F051 definitions with 64K Flash and 8K RAM
Copyright RAISONANCE 2007
!!! This file is automatically generated by RIDE !!!
Do not modify it, as it will be erased at every link.
You can use, copy and distribute this file freely, but without any warranty.
*/
/* Memory Spaces Definitions */
ENTRY(Reset_Handler)
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 8K
}
/* highest address of the user mode stack */
_estack = 0x20002000;

32
Makefile

@ -7,6 +7,9 @@ PROJ_NAME=main
# Location of the Libraries folder from the STM32F0xx Standard Peripheral Library
STD_PERIPH_LIB=Libraries
# Location of the linker scripts
LDSCRIPT_INC=Device/ldscripts
# location of OpenOCD Board .cfg files (only used with 'make program')
OPENOCD_BOARD_DIR=/usr/share/openocd/scripts/board
@ -19,9 +22,14 @@ OPENOCD_PROC_FILE=extra/stm32f0-openocd.cfg
CC=arm-none-eabi-gcc
OBJCOPY=arm-none-eabi-objcopy
OBJDUMP=arm-none-eabi-objdump
SIZE=arm-none-eabi-size
CFLAGS = -g -O2 -Wall -TDevice/stm32_flash.ld
CFLAGS += -mlittle-endian -mthumb -mcpu=cortex-m0 -march=armv6s-m
CFLAGS = -Wall -g -std=c99 -Os
#CFLAGS += -mlittle-endian -mthumb -mcpu=cortex-m0 -march=armv6s-m
CFLAGS += -mlittle-endian -mcpu=cortex-m0 -march=armv6-m -mthumb
CFLAGS += -ffunction-sections -fdata-sections
CFLAGS += -Wl,--gc-sections -Wl,-Map=$(PROJ_NAME).map
###################################################
@ -30,12 +38,16 @@ vpath %.a $(STD_PERIPH_LIB)
ROOT=$(shell pwd)
CFLAGS += -Iinc -I$(STD_PERIPH_LIB) -I$(STD_PERIPH_LIB)/CMSIS/Device/ST/STM32F0xx/Include
CFLAGS += -I$(STD_PERIPH_LIB)/CMSIS/Include -I$(STD_PERIPH_LIB)/STM32F0xx_StdPeriph_Driver/inc
CFLAGS += -include$(STD_PERIPH_LIB)/stm32f0xx_conf.h
CFLAGS += -I inc -I $(STD_PERIPH_LIB) -I $(STD_PERIPH_LIB)/CMSIS/Device/ST/STM32F0xx/Include
CFLAGS += -I $(STD_PERIPH_LIB)/CMSIS/Include -I $(STD_PERIPH_LIB)/STM32F0xx_StdPeriph_Driver/inc
CFLAGS += -include $(STD_PERIPH_LIB)/stm32f0xx_conf.h
SRCS += Device/startup_stm32f0xx.s # add startup file to build
# need if you want to build with -DUSE_CMSIS
#SRCS += stm32f0_discovery.c
#SRCS += stm32f0_discovery.c stm32f0xx_it.c
OBJS = $(SRCS:.c=.o)
###################################################
@ -50,15 +62,23 @@ lib:
proj: $(PROJ_NAME).elf
$(PROJ_NAME).elf: $(SRCS)
$(CC) $(CFLAGS) $^ -o $@ -L$(STD_PERIPH_LIB) -lstm32f0
$(CC) $(CFLAGS) $^ -o $@ -L$(STD_PERIPH_LIB) -lstm32f0 -L$(LDSCRIPT_INC) -Tstm32f0.ld
$(OBJCOPY) -O ihex $(PROJ_NAME).elf $(PROJ_NAME).hex
$(OBJCOPY) -O binary $(PROJ_NAME).elf $(PROJ_NAME).bin
$(OBJDUMP) -St $(PROJ_NAME).elf >$(PROJ_NAME).lst
$(SIZE) $(PROJ_NAME).elf
program: $(PROJ_NAME).bin
openocd -f $(OPENOCD_BOARD_DIR)/stm32f0discovery.cfg -f $(OPENOCD_PROC_FILE) -c "stm_flash `pwd`/$(PROJ_NAME).bin" -c shutdown
clean:
find ./ -name '*~' | xargs rm -f
rm -f *.o
rm -f $(PROJ_NAME).elf
rm -f $(PROJ_NAME).hex
rm -f $(PROJ_NAME).bin
rm -f $(PROJ_NAME).map
rm -f $(PROJ_NAME).lst
reallyclean: clean
$(MAKE) -C $(STD_PERIPH_LIB) clean
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