49 lines
1.6 KiB
Plaintext
49 lines
1.6 KiB
Plaintext
/* based on ../stm32l476xg.ld
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/*
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GNU linker script for STM32L476XG
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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 = 0x08008000, LENGTH = 112K
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/* NOTE: first 32k reserved for bootloader and firewalled code */
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FLASH_ISR (rx) : ORIGIN = 0x08008000, LENGTH = 16K
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FLASH_TEXT (rx) : ORIGIN = 0x0800c000, LENGTH = 848K
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FLASH_FS (r) : ORIGIN = 0x080e0000, LENGTH = 128K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 96K
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/* SRAM2 is 32k of SRAM used for:
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- filesyste cache (2k at zero)
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- top 8k reserved for bootloader/call gate
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- remainder manually-allocated for some runtime python stuff (see sram2.py)
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*/
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FS_CACHE(xrw) : ORIGIN = 0x10000000, LENGTH = 2K
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SRAM2 (xrw) : ORIGIN = 0x10000800, LENGTH = 22K
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}
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ENTRY(Reset_Handler)
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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 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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_heap_start = _ebss; /* heap starts just after statically allocated memory */
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_heap_end = 0x20014000; /* tunable */
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_flash_fs_start = ORIGIN(FLASH_FS);
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_flash_fs_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
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_ram_fs_cache_start = ORIGIN(FS_CACHE);
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_ram_fs_cache_end = ORIGIN(FS_CACHE) + LENGTH(FS_CACHE);
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