68 lines
1.6 KiB
Plaintext
68 lines
1.6 KiB
Plaintext
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/* Linker script for a system with 128KB RAM starting at 0x10000 */
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MEMORY
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{
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RAM (wx) : ORIGIN = 0x0000, LENGTH = 128K
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}
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SECTIONS
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{
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/* Place code and readonly data at the beginning of RAM */
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.text :
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{
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*(.text*)
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*(.rodata*)
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} > RAM
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/* Place initialized data right after the .text section */
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.data :
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{
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. = ALIGN(4);
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*(.data*)
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} > RAM
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/* Uninitialized data (BSS) follows initialized data */
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.bss :
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{
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. = ALIGN(4);
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__bss_start = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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__bss_end = .;
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} > RAM
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/* Define heap start right after bss */
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. = ALIGN(4);
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__heap_start = .;
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PROVIDE(heap_start = __heap_start);
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/* Leave space for the heap by not explicitly defining its end */
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/* The heap grows towards the stack */
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/* Reserve space for the stack at the end of RAM */
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/* Let's say we want a 16KB stack */
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. = ALIGN(4);
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__stack_size = 16K; /* Size of the stack */
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__stack_top = ORIGIN(RAM) + LENGTH(RAM); /* Top of the stack */
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__stack_start = __stack_top - __stack_size; /* Start of the stack */
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.stack (NOLOAD) :
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{
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. = __stack_start;
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. += __stack_size; /* Allocate space for the stack */
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. = ALIGN(4);
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} > RAM
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PROVIDE(__stack = __stack_top);
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PROVIDE(stack_top = __stack_top);
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PROVIDE(stack_start = __stack_start);
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/* Heap end is dynamically located at the start of the stack */
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__heap_end = __stack_start;
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PROVIDE(heap_end = __heap_end);
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/* End of RAM usage */
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. = ALIGN(4);
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_end = .;
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PROVIDE(end = _end);
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}
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