/* GNU linker script for STM32F429i-Discovery kit with external 8MByte SDRam */ /* Specify the memory areas */ MEMORY { FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 0x0200000 /* entire flash, 2048 KiB */ FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 0x0004000 /* sector 0, 16 KiB */ FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 0x0088000 /* sectors 5,6,7,8, 4*128KiB = 512 KiB (could increase it more) */ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 0x0030000 /* 192 KiB */ SDRAM(xrw) : ORIGIN = 0xC0000000, LENGTH = 0x0800000 /* 8 MByte */ } /* produce a link error if there is not this amount of RAM for these sections */ _minimum_stack_size = 2K; _minimum_heap_size = 16K; /* Define tho top end of the stack. The stack is full descending so begins just above last byte of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); /* define common sections and symbols */ INCLUDE common.ld /* RAM extents for the garbage collector */ _ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); _heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2001c000; /* tunable */