37 lines
1.5 KiB
Plaintext
37 lines
1.5 KiB
Plaintext
/*
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GNU linker script for STM32F429i-Discovery kit with external 8MByte SDRam
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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, 16 KiB */
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FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 112K /* sectors 1-4: 3*16K+64K */
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FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 896K /* sectors 5-11 are 128K */
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CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 192K
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SDRAM(xrw) : ORIGIN = 0xC0000000, LENGTH = 8192K
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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) - _estack_reserve;
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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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/* Filesystem cache in RAM, and storage in flash */
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_micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(CCMRAM);
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_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(CCMRAM) + LENGTH(CCMRAM);
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_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
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_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
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