64 lines
1.9 KiB
Plaintext
64 lines
1.9 KiB
Plaintext
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/* Define the memory regions: Flash and RAM */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 20K
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}
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/* Define entry point (usually the reset handler defined in startup code) */
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ENTRY(Reset_Handler)
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/* Define the sections of the program */
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SECTIONS
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{
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/* Code section, mapped to Flash memory */
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.text :
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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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*(.text) /* All code goes here */
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*(.rodata) /* Read-only data (e.g., const variables) */
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_etext = .; /* Mark the end of text section */
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} > FLASH
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/* Initialized data section, copied from Flash to RAM at startup */
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.data :
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{
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_sdata = .; /* Start of data section */
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*(.data) /* Initialized data */
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_edata = .; /* End of data section */
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} > RAM AT > FLASH
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/* Uninitialized data section, placed in RAM but not stored in Flash */
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.bss :
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{
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_sbss = .; /* Start of BSS */
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*(.bss) /* Uninitialized data */
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*(COMMON) /* Common symbols (zero-initialized) */
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_ebss = .; /* End of BSS */
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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); /* Align to 8-byte boundary */
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_estack = .; /* End of stack (top of the stack) */
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. = . + 2048; /* Reserve 2 KB for stack */
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_sstack = .; /* Start of stack */
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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 = .; /* Start of heap */
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. = . + 2048; /* Reserve 2 KB for heap */
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_eheap = .; /* End of heap */
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} > RAM
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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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