Added mising sections to the linker.ld file.
Added the bss, heap and stack sections.
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49
linker.ld
49
linker.ld
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@ -10,6 +10,14 @@
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*/
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*/
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ENTRY(Reset_Handler)
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ENTRY(Reset_Handler)
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/* Highest address of user mode stack */
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_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
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/* Generate a link error if heap and stack don't fit into RAM */
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_Min_Heap_Size = 0x200; /* required amount of heap. */
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_Min_Stack_Size = 0x400; /* required amount of stack. */
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/*
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/*
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* FORMAT:
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* FORMAT:
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@ -30,15 +38,18 @@ ENTRY(Reset_Handler)
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/* You will want to change these values to match your uC.*/
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/* You will want to change these values to match your uC.*/
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MEMORY
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MEMORY
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{
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{
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FLASH(rx):ORIGIN =0x08000000,LENGTH =64K
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FLASH(rx): ORIGIN = 0x08000000, LENGTH = 64K
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SRAM(rwx):ORIGIN =0x20000000,LENGTH =20K
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SRAM(rwx): ORIGIN = 0x20000000, LENGTH = 20K
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}
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}
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/* VMA: virtual memory address.*/
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/* LMA: Load memory address. */
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floating_point = 0;
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floating_point = 0;
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SECTIONS
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SECTIONS
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{
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{
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/* Code section, mapped to Flash memory */
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/* Code section, mapped to Flash memory */
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.tect :
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.text :
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{
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{
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KEEP(*(.isr_vector)) /* Vector table, which must be at the beginning of Flash*/
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KEEP(*(.isr_vector)) /* Vector table, which must be at the beginning of Flash*/
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*(.text) /* All code goes here */
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*(.text) /* All code goes here */
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@ -53,6 +64,36 @@ SECTIONS
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*(.data) /* Initialized data */
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*(.data) /* Initialized data */
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_edata = .; /* End of data section */
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_edata = .; /* End of data section */
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} > RAM AT > FLASH
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} > RAM AT > FLASH
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/* BSS: Placed in SRAM memory types. */
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.bss :
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{
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_sbss = .; /* */
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*(.bss) /**/
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*(COMMON) /**/
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_ebss = .; /**/
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} > RAM
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/* Stack Section: */
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._stack :
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{
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. = ALIGN(8); /**/
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_estack = .; /**/
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. = . + 2048; /**/
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_sstack = .; /**/
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} > RAM
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/* Heap Section: */
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.heap :
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{
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_sheap = .; /**/
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. = . + 2048; /**/
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_eheap = .; /**/
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} > RAM
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}
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}
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/* Provide symbols to be used in the startup code */
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PROVIDE(_stack_start = _sstack);
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PROVIDE(_stack_end = _estack);
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PROVIDE(_heap_start = _sheap);
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PROVIDE(_heap_end = _eheap);
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