diff options
| author | chrismas9 <c.mason@inchipdesign.com.au> | 2022-06-13 21:31:16 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2022-06-17 21:27:32 +1000 |
| commit | fdbca3c1435910b23ad96d751a226f27e24b5aee (patch) | |
| tree | c994e929c1e11d11597709d64ea9da65f6879bd0 | |
| parent | 17f0297c1ac274b4e9f1040e8282a592715e8cb8 (diff) | |
stm32/boards/stm32f091xc.ld: Allocate space for a small filesystem.
Signed-off-by: Chris Mason <c.mason@inchipdesign.com.au>
| -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 5bcc4c727..a8f0d3316 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); |