/* Taken from https://github.com/stm32-rs/stm32h7xx-hal/pull/299, adapted slightly to work with */ /* flip-link */ MEMORY { /* This file is intended for parts in the STM32H743/743v/753/753v families (RM0433), */ /* with the exception of the STM32H742/742v parts which have a different RAM layout. */ /* - FLASH and RAM are mandatory memory sections. */ /* - The sum of all non-FLASH sections must add to 1060K total device RAM. */ /* - The FLASH section size must match your device, see table below. */ /* FLASH */ /* Flash is divided in two independent banks (except 750xB). */ /* Select the appropriate FLASH size for your device. */ /* - STM32H750xB 128K (only FLASH1) */ /* - STM32H750xB 1M (512K + 512K) */ /* - STM32H743xI/753xI 2M ( 1M + 1M) */ FLASH1 : ORIGIN = 0x08000000, LENGTH = 1M FLASH2 : ORIGIN = 0x08100000, LENGTH = 1M /* Data TCM */ /* - Two contiguous 64KB RAMs. */ /* - Used for interrupt handlers, stacks and general RAM. */ /* - Zero wait-states. */ /* - The DTCM is taken as the origin of the base ram. (See below.) */ /* This is also where the interrupt table and such will live, */ /* which is required for deterministic performance. */ /* Need a region called RAM */ /* DTCM : ORIGIN = 0x20000000, LENGTH = 128K */ RAM : ORIGIN = 0x20000000, LENGTH = 128K /* Instruction TCM */ /* - Used for latency-critical interrupt handlers etc. */ /* - Zero wait-states. */ ITCM : ORIGIN = 0x00000000, LENGTH = 64K /* AXI SRAM */ /* - AXISRAM is in D1 and accessible by all system masters except BDMA. */ /* - Suitable for application data not stored in DTCM. */ /* - Zero wait-states. */ AXISRAM : ORIGIN = 0x24000000, LENGTH = 512K /* AHB SRAM */ /* - SRAM1-3 are in D2 and accessible by all system masters except BDMA. */ /* Suitable for use as DMA buffers. */ /* - SRAM4 is in D3 and additionally accessible by the BDMA. Used for BDMA */ /* buffers, for storing application data in lower-power modes. */ /* - Zero wait-states. */ SRAM1 : ORIGIN = 0x30000000, LENGTH = 128K SRAM2 : ORIGIN = 0x30020000, LENGTH = 128K SRAM3 : ORIGIN = 0x30040000, LENGTH = 32K SRAM4 : ORIGIN = 0x38000000, LENGTH = 64K /* Backup SRAM */ BSRAM : ORIGIN = 0x38800000, LENGTH = 4K } /* /* Assign the memory regions defined above for use. */ /* /* Provide the mandatory FLASH and RAM definitions for cortex-m-rt's linker script. */ /* These do not work with flip-link */ REGION_ALIAS(FLASH, FLASH1); /* REGION_ALIAS(RAM, DTCM); */ /* The location of the stack can be overridden using the `_stack_start` symbol. */ /* - Set the stack location at the end of RAM, using all remaining space. */ _stack_start = ORIGIN(RAM) + LENGTH(RAM); /* The location of the .text section can be overridden using the */ /* `_stext` symbol. By default it will place after .vector_table. */ /* _stext = ORIGIN(FLASH) + 0x40c; */ /* Define sections for placing symbols into the extra memory regions above. */ /* This makes them accessible from code. */ /* - ITCM, DTCM and AXISRAM connect to a 64-bit wide bus -> align to 8 bytes. */ /* - All other memories connect to a 32-bit wide bus -> align to 4 bytes. */ SECTIONS { .flash2 (NOLOAD) : ALIGN(4) { *(.flash2 .flash2.*); . = ALIGN(4); } > FLASH2 .itcm (NOLOAD) : ALIGN(8) { *(.itcm .itcm.*); . = ALIGN(8); } > ITCM .axisram (NOLOAD) : ALIGN(8) { *(.axisram .axisram.*); . = ALIGN(8); } > AXISRAM .sram1 (NOLOAD) : ALIGN(8) { *(.sram1 .sram1.*); . = ALIGN(4); } > SRAM1 .sram2 (NOLOAD) : ALIGN(8) { *(.sram2 .sram2.*); . = ALIGN(4); } > SRAM2 .sram3 (NOLOAD) : ALIGN(4) { *(.sram3 .sram3.*); . = ALIGN(4); } > SRAM3 .sram4 (NOLOAD) : ALIGN(4) { *(.sram4 .sram4.*); . = ALIGN(4); } > SRAM4 .bsram (NOLOAD) : ALIGN(4) { *(.bsram .bsram.*); . = ALIGN(4); } > BSRAM };