4750635a20
- Fix UART & putChar - Timer-based sleep - Enable systick in abort - Buffered, interrupt-based UART TX - Use the new interrupt API and fix sleepTicks - Make pins behave more like other boards - Use the MCU's UART numbering - Allow interrupts to wake the scheduler (#1214)
86 строки
2 КиБ
Text
86 строки
2 КиБ
Text
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/* Unused, but here to silence a linker warning. */
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ENTRY(Reset_Handler)
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/* define memory layout */
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MEMORY
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{
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FLASH_TEXT (rx) : ORIGIN = 0x00000000, LENGTH = 1024K
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RAM (rwx) : ORIGIN = 0x1FFF0000, LENGTH = 256K
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}
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_stack_size = 2K;
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/* define output sections */
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SECTIONS
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{
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/* Program code and read-only data goes to FLASH_TEXT. */
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.text :
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{
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/* vector table MUST start at 0x0 */
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. = 0;
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KEEP(*(.isr_vector))
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/* flash configuration MUST be at 0x400 */
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. = 0x400;
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KEEP(*(.flash_config))
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/* everything else */
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*(.text)
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*(.text.*)
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*(.rodata)
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*(.rodata.*)
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. = ALIGN(4);
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} >FLASH_TEXT = 0xFF
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/* Put the stack at the bottom of RAM, so that the application will
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* crash on stack overflow instead of silently corrupting memory.
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* See: http://blog.japaric.io/stack-overflow-protection/ */
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.stack (NOLOAD) :
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{
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. = ALIGN(4);
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. += _stack_size;
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_stack_top = .;
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} >RAM
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/* Start address (in flash) of .data, used by startup code. */
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_sidata = LOADADDR(.data);
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/* this is where Teensy's LD script places .usbdescriptortable .dmabuffers .usbbuffers */
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/* Globals with initial value */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* used by startup code */
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*(.data)
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*(.data.*)
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. = ALIGN(4);
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_edata = .; /* used by startup code */
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} >RAM AT>FLASH_TEXT
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/* Zero-initialized globals */
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.bss :
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{
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. = ALIGN(4);
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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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. = ALIGN(4);
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_ebss = .; /* used by startup code */
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} >RAM
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/DISCARD/ :
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{
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*(.ARM.exidx) /* causes 'no memory region specified' error in lld */
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*(.ARM.exidx.*) /* causes spurious 'undefined reference' errors */
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}
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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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