diff options
-rw-r--r-- | ports/stm32/boards/stm32f091xc.ld | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/ports/stm32/boards/stm32f091xc.ld b/ports/stm32/boards/stm32f091xc.ld index 5bcc4c7275..a8f0d3316e 100644 --- a/ports/stm32/boards/stm32f091xc.ld +++ b/ports/stm32/boards/stm32f091xc.ld @@ -5,8 +5,8 @@ /* Specify the memory areas */ MEMORY { - FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K - FLASH_TEXT (rx) : ORIGIN = 0x08000000, LENGTH = 256K + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 236K /* sectors 0-117 */ + FLASH_FS (r) : ORIGIN = 0x0803B000, LENGTH = 20K /* sectors 118-127 */ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 32K } @@ -14,13 +14,21 @@ MEMORY _minimum_stack_size = 2K; _minimum_heap_size = 16K; -/* Define the stack. The stack is full descending so begins just above last byte above last byte - of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */ -_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve; -_sstack = _estack - 6K; /* tunable */ +/* Define the stack. The stack is full descending so begins just above last byte of RAM, + or bottom of FS cache. Note that EABI requires the stack to be 8-byte aligned for a call. */ /* RAM extents for the garbage collector */ _ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); + +_micropy_hw_internal_flash_storage_ram_cache_end = _ram_end; +_micropy_hw_internal_flash_storage_ram_cache_start = _micropy_hw_internal_flash_storage_ram_cache_end - 2K; /* fs cache = 2K */ + +_estack = _micropy_hw_internal_flash_storage_ram_cache_start - _estack_reserve; +_sstack = _estack - 6K; /* tunable */ + _heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = _sstack; + +_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS); +_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS); |