30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
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/*
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GNU linker script for STM32F411 with nvm and an external flash chip, and reserves
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more space for the CircuitPython firmware and less for the filesystem
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(since the filesystem will be on the external flash chip).
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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 = 512K /* entire flash */
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FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
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FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 32K /* sectors 1,2 are 16K */
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FLASH_NVM (rwx) : ORIGIN = 0x0800C000, LENGTH = 16K /* sector 3 is 16K */
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FLASH_FIRMWARE (rx) : ORIGIN = 0x08010000, LENGTH = 448K /* sector 4 is 64K, sectors 5,6,7 are 128K */
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
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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 = 24K;
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_minimum_heap_size = 16K;
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/* Define the top end of the stack. The stack is full descending so begins just
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above last byte of RAM. Note that EABI requires the stack to be 8-byte
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aligned for a call. */
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_estack = ORIGIN(RAM) + LENGTH(RAM);
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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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