5bace979ea
Previously, the RAM was set to start at address 0. This is incorrect: on AVR, the first few addresses are taken up by memory-mapped I/O. The reason this didn't lead to problems (yet) was because the stack was usually big enough to avoid real problems.
50 строки
1 КиБ
Text
50 строки
1 КиБ
Text
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MEMORY
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{
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FLASH_TEXT (rw) : ORIGIN = 0, LENGTH = __flash_size - _bootloader_size
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RAM (xrw) : ORIGIN = __ram_start, LENGTH = __ram_size
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}
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SECTIONS
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{
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.text :
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{
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KEEP(*(.vectors))
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KEEP(*(.text.__vector_RESET))
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KEEP(*(.text.main)) /* main must follow the reset handler */
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*(.text.*)
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*(.rodata)
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*(.rodata.*)
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}
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.stack (NOLOAD) :
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{
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. += _stack_size;
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_stack_top = .;
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} >RAM
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_sidata = LOADADDR(.data);
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.data :
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{
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_sdata = .; /* used by startup code */
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*(.data)
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*(.data*)
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_edata = .; /* used by startup code */
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} >RAM AT>FLASH_TEXT
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.bss :
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{
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_sbss = .; /* used by startup code */
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*(.bss)
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*(.bss*)
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*(COMMON)
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_ebss = .; /* used by startup code */
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} >RAM
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}
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/* For the memory allocator. */
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_heap_start = _ebss;
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_heap_end = ORIGIN(RAM) + LENGTH(RAM);
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_globals_start = _sdata;
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_globals_end = _ebss;
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