Commit Graph

22 Commits

Author SHA1 Message Date
Damien George 771c16f3d9 stm32/mboot: Make all mboot sectors erase/write protected.
Prior to this commit, only sector 0 was erase/write protected, which may
not be enough to protect all of mboot (especially if mboot lives at a
higher address than the start of flash).

This commit makes sure all internal flash sectors that mboot lives in are
protected from erasing and writing.  The linker script must define
_mboot_writable_flash_start for this to work.

Signed-off-by: Damien George <damien@micropython.org>
2022-11-30 17:19:36 +11:00
Damien George d27e58449b stm32/mboot: Remove redundant code in mboot_state_change function.
This code was made redundant in 87fbceef26

Signed-off-by: Damien George <damien@micropython.org>
2022-07-05 23:47:54 +10:00
Damien George 096954337f stm32/mboot: Only include UI code if at least one board LED is defined.
Otherwise the board must provide dummy definitions of MBOOT_LED1.

Signed-off-by: Damien George <damien@micropython.org>
2022-06-16 14:31:09 +10:00
Damien George bd5152c928 stm32/mboot: Add board-configurable SysTick hook.
Signed-off-by: Damien George <damien@micropython.org>
2022-06-09 13:24:08 +10:00
Damien George 87fbceef26 stm32/mboot: Pass initial_r0 to early-init and get-reset-mode funcs.
This allows a board to modify initial_r0 if needed.

Also make default board behaviour functions always available, named as
mboot_get_reset_mode_default and mboot_state_change_default.

Signed-off-by: Damien George <damien@micropython.org>
2022-06-02 14:30:51 +10:00
Damien George e64947dc90 stm32/mboot: Make 0x70ad0000 values named constants with macros.
Signed-off-by: Damien George <damien@micropython.org>
2022-06-02 14:30:51 +10:00
Damien George 1296a01f4c stm32/mboot: Move remaining led_state_all call into mboot_state_change.
This was missed in b2deea6762

Signed-off-by: Damien George <damien@micropython.org>
2022-06-02 14:30:51 +10:00
Damien George cb0372b5bf stm32/mboot: Add macros for use in led_state_all().
Signed-off-by: Damien George <damien@micropython.org>
2022-04-11 15:52:41 +10:00
Damien George b2deea6762 stm32/mboot: Consolidate all UI and add general state change hooks.
All user interface (LED, button) code has been moved to ui.c, and the
interface to this code with the rest of the system now goes through calls
to mboot_state_change().  This state-change function can be overridden by a
board to fully customise the user interface behaviour.

Signed-off-by: Damien George <damien@micropython.org>
2022-04-11 15:52:41 +10:00
Andrew Leech bb0ca00b77 stm32/mboot: Verify CRC32 of fsload DFU files before writing. 2022-03-22 15:04:41 +11:00
Andrew Leech bc856a1e29 stm32/mboot: Verify signature of fsload packed DFU files before writing.
When verifying the DFU contents, the signature of signed/encrypted files is
also now checked in this initial, dry-run stage.
2022-03-22 15:04:37 +11:00
Damien George 9b07d38c7e stm32/mboot: Add support for 64-bit mboot address space for reads.
If enabled via MBOOT_ADDRESS_SPACE_64BIT (it's disabled by default) then
read addresses will be 64-bit.

Signed-off-by: Damien George <damien@micropython.org>
2022-03-22 13:33:43 +11:00
Damien George 5995fb5261 stm32/mboot: Allow a board more control over entry initialisation.
If MBOOT_BOARD_ENTRY_INIT is defined by a board then that function must now
make sure system clocks are configured, eg by calling mboot_entry_init().

Signed-off-by: Damien George <damien@micropython.org>
2022-02-18 14:59:35 +11:00
Damien George 9a0bca2c2a stm32/mboot: Make LEDs and reset-mode selection more configurable.
A board can now customise mboot with:
- MBOOT_LED1, MBOOT_LED2, MBOOT_LED3, MBOOT_LED4: if it needs to have
  different LEDs for mboot compared to the application
- MBOOT_BOARD_LED_INIT: if it needs a fully customised LED init function
- MBOOT_BOARD_LED_STATE: if it needs a fully customised LED state-setting
  function
- MBOOT_BOARD_GET_RESET_MODE: if it needs a fully customised function to
  get the reset mode

With full customisation, the only requirement is a single LED to show the
status of the bootloader (idle, erasing, flashing, etc), which can be
configured to do nothing if needed.

Signed-off-by: Damien George <damien@micropython.org>
2021-05-12 13:44:57 +10:00
Damien George bd7110a3d5 stm32/mboot: Introduce MBOOT_ERRNO_xxx constants and use them.
So that a failed update via fsload can be more easily diagnosed.

Signed-off-by: Damien George <damien@micropython.org>
2021-01-29 15:02:55 +11:00
Damien George 0efa0b5437 stm32/mboot: Add ELEM_TYPE_STATUS element so application can get status.
This new element takes the form: (ELEM_TYPE_STATUS, 4, <address>).  If this
element is present in the mboot command then mboot will store to the given
address the result of the filesystem firmware update process.  The address
can for example be an RTC backup register.

Signed-off-by: Damien George <damien@micropython.org>
2021-01-29 15:02:55 +11:00
Damien George c6f334272a stm32/mboot: Add support for signed and encrypted firmware updates.
This commit adds support to stm32's mboot for signe, encrypted and
compressed DFU updates.  It is based on inital work done by Andrew Leech.

The feature is enabled by setting MBOOT_ENABLE_PACKING to 1 in the board's
mpconfigboard.mk file, and by providing a header file in the board folder
(usually called mboot_keys.h) with a set of signing and encryption keys
(which can be generated by mboot_pack_dfu.py).  The signing and encryption
is provided by libhydrogen.  Compression is provided by uzlib.  Enabling
packing costs about 3k of flash.

The included mboot_pack_dfu.py script converts a .dfu file to a .pack.dfu
file which can be subsequently deployed to a board with mboot in packing
mode.  This .pack.dfu file is created as follows:
- the firmware from the original .dfu is split into chunks (so the
  decryption can fit in RAM)
- each chunk is compressed, encrypted, a header added, then signed
- a special final chunk is added with a signature of the entire firmware
- all chunks are concatenated to make the final .pack.dfu file

The .pack.dfu file can be deployed over USB or from the internal filesystem
on the device (if MBOOT_FSLOAD is enabled).

See #5267 and #5309 for additional discussion.

Signed-off-by: Damien George <damien@micropython.org>
2021-01-18 12:43:01 +11:00
Damien George 67fd58bbd2 stm32/mboot: Add support for littlefs.
Mboot now supports FAT, LFS1 and LFS2 filesystems, to load firmware from.
The filesystem needed by the board must be explicitly enabled by the
configuration variables MBOOT_VFS_FAT, MBOOT_VFS_LFS1 and MBOOT_VFS_LFS2.
Boards that previously used FAT implicitly (with MBOOT_FSLOAD enabled) must
now add the following config to mpconfigboard.h:

    #define MBOOT_VFS_FAT (1)

Signed-off-by: Damien George <damien@micropython.org>
2020-06-26 21:17:02 +10:00
Damien George 390f32922d stm32/mboot: Decouple stream, filesystem and top-level loading code.
This commit factors the code for files and streaming to separate source
files (vfs_fat.c and gzstream.c respectively) and introduces an abstract
gzstream interface to make it easier to plug in different filesystems.

Signed-off-by: Damien George <damien@micropython.org>
2020-06-26 21:15:30 +10:00
Damien George c8f19f1371 stm32/mboot: Make _estack an array to avoid compiler warnings.
The compiler can warn about out-of-bounds array access if _estack is just a
single uint8_t.
2019-07-09 11:33:57 +10:00
Damien George 3d0c31e60e stm32/mboot: Move some BSS vars to new section that isn't zeroed out.
Zeroing out data on startup takes time and is not necessary for certain
variables.  So provide a declaration for such variables and use it.
2019-02-15 15:09:54 +11:00
Damien George ff04b78ffd stm32/mboot: Add support for loading gzip'd firmware from a filesystem.
This adds support to mboot to load and program application firmware from
a .dfu.gz file on the board's filesystem.  See mboot/README.md for details.
2019-02-15 15:09:48 +11:00