14cf91f704
Previously the end of the heap was the start (lowest address) of the stack. With the changes in this commit these addresses are now independent, allowing a board to place the heap and stack in separate locations.
31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
/*
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GNU linker script for STM32F439
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*/
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K /* entire flash */
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FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
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FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 896K /* sectors 5-11 are 128K */
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FLASH_FS (rx) : ORIGIN = 0x08100000, LENGTH = 256K /* sectors 12-17 are 4*16K+64K+128K */
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FLASH_FS2 (rx) : ORIGIN = 0x08140000, LENGTH = 128K /* sector 18 */
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 192K
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CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K
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}
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/* produce a link error if there is not this amount of RAM for these sections */
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_minimum_stack_size = 2K;
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_minimum_heap_size = 16K;
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/* Define the stack. The stack is full descending so begins just above last byte
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of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */
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_estack = ORIGIN(RAM) + LENGTH(RAM);
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_sstack = _estack - 16K; /* tunable */
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/* RAM extents for the garbage collector */
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_ram_start = ORIGIN(RAM);
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_ram_end = ORIGIN(RAM) + LENGTH(RAM);
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_heap_start = _ebss; /* heap starts just after statically allocated memory */
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_heap_end = _sstack;
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