CJMCU - Use 64k/128k flash specific linker scripts scripts
This commit is contained in:
Dominic Clifton
parent
acc285be4a
commit
aa719dfe4f
9
Makefile
9
Makefile
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@ -100,7 +100,7 @@ INCLUDE_DIRS := $(INCLUDE_DIRS) \
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$(CMSIS_DIR)/CM3/CoreSupport \
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$(CMSIS_DIR)/CM3/DeviceSupport/ST/STM32F10x \
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LD_SCRIPT = $(ROOT)/stm32_flash_f103.ld
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LD_SCRIPT = $(ROOT)/stm32_flash_f103_128k.ld
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ARCH_FLAGS = -mthumb -mcpu=cortex-m3
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TARGET_FLAGS = -D$(TARGET) -pedantic
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@ -227,6 +227,10 @@ OLIMEXINO_SRC = startup_stm32f10x_md_gcc.S \
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$(HIGHEND_SRC) \
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$(COMMON_SRC)
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ifeq ($(TARGET),CJMCU)
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LD_SCRIPT = $(ROOT)/stm32_flash_f103_64k.ld
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endif
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CJMCU_SRC = startup_stm32f10x_md_gcc.S \
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drivers/adc.c \
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drivers/adc_stm32f10x.c \
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@ -244,6 +248,9 @@ CJMCU_SRC = startup_stm32f10x_md_gcc.S \
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drivers/system_stm32f10x.c \
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drivers/timer.c \
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$(COMMON_SRC)
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# debugtest.c \
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# $(CMSIS_SRC) \
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# $(DEVICE_STDPERIPH_SRC)
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CC3D_SRC = startup_stm32f10x_md_gcc.S \
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drivers/accgyro_spi_mpu6000.c \
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@ -0,0 +1,150 @@
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/*
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*****************************************************************************
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**
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** File : stm32_flash.ld
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**
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** Abstract : Linker script for STM32F103C8 Device with
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** 64KByte FLASH, 20KByte RAM
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**
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*****************************************************************************
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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/* Highest address of the user mode stack */
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_estack = 0x20005000; /* end of 20K RAM */
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/* Generate a link error if heap and stack don't fit into RAM */
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_Min_Heap_Size = 0; /* required amount of heap */
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_Min_Stack_Size = 0x400; /* required amount of stack */
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/* Specify the memory areas. Flash is limited for last 2K for configuration storage */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 62K /* last 2kb used for config storage */
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
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MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
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}
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/* Define output sections */
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SECTIONS
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{
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/* The startup code goes first into FLASH */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} >FLASH
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/* The program code and other data goes into FLASH */
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.text :
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(4);
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_etext = .; /* define a global symbols at end of code */
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} >FLASH
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.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
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.ARM : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >FLASH
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} >FLASH
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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} >FLASH
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array*))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} >FLASH
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/* used by the startup to initialize data */
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_sidata = .;
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/* Initialized data sections goes into RAM, load LMA copy after code */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end */
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} >RAM AT> FLASH
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/* Uninitialized data section */
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. = ALIGN(4);
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss secion */
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_sbss = .; /* define a global symbol at bss start */
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM
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/* User_heap_stack section, used to check that there is enough RAM left */
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._user_heap_stack :
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{
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. = ALIGN(4);
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PROVIDE ( end = . );
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PROVIDE ( _end = . );
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. = . + _Min_Heap_Size;
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. = . + _Min_Stack_Size;
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. = ALIGN(4);
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} >RAM
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/* MEMORY_bank1 section, code must be located here explicitly */
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/* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
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.memory_b1_text :
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{
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*(.mb1text) /* .mb1text sections (code) */
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*(.mb1text*) /* .mb1text* sections (code) */
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*(.mb1rodata) /* read-only data (constants) */
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*(.mb1rodata*)
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} >MEMORY_B1
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/* Remove information from the standard libraries */
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/DISCARD/ :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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