Merge latest fixes in from upstream (Apr through June) #29
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…CellularDevice class
Trying to inherit the STM32F412xE target makes the linker fail, since __CRASH_DATA_RAM_START__ is not present. Comparing LD scripts with the STM32F412xG (which has active targets) it seems that the xE variant has missed some updates somewhere. Since the LD scripts are otherwise identical, copying the (working) ones from STM32F412xG seems to do the trick. Also added flash_data.h which was missing and needed here and there (copied from xG and updated to fit the xE flash layout).
The Cordio stack uses a single CSRK. It can be used by a malicious device to track the Mbed OS application if signed writes are used. Signed-off-by: Vincent Coubard <vincent.coubard@arm.com>
The sleep_for function is updated to use the chrono time arguments since the regular ones are deprecated.
The function SMSC9220_EMAC::low_level_input should create a heap for the packet equal to the size of the message (most of which are couple hundred bytes). The current code uses maximum frame size (1522 bytes) for each packet. This will cause the heap to quickly fill up. In fact, the default memory size (lwip.mem-size) used for this heap is 1600 bytes. This means that once you have one other packet allocated (extremely common), the heap allocation will always fails. Also, it is recommend to increase the default lwip.mem-size because that amount is very small especially if you send or receive a few large packets in the network. This is NOT done in current commit.
The function smsc9220_receive_by_chunks loads data from the Ethernet port. It is expected to return the Ethernet frame without the 4 CRC bytes. However, it is required to call the Ethernet data port register (32-bit) an amount equal to the number of frame words (including the 4 CRC bytes) to pop all frame words. The current code doesn't call the register for the last word (which has CRC data). This causes subsequent calls to have this missed word at the beginning. The impact of this is huge as the high level API is getting fed wrong data. The fix adds one additional call to the data port register.
The functions smsc9220_receive_by_chunks and smsc9220_send_by_chunks are supposed to implement receiving and sending packets by chunks. However, the functions SMSC9220_EMAC::low_level_input and SMSC9220_EMAC::link_out, which call them respectively, already require or assemble the full packet. Also, smsc9220_receive_by_chunks doesn't implement the "chunks" part. This commit renames the functions to smsc9220_receive_packet and smsc9220_send_packet. The functions now do their operations by word instead of by bytes. The functions SMSC9220_EMAC::low_level_input and SMSC9220_EMAC::link_out already handle allocation, continuity and word alignment of the packet buffer.
Engine doesn't support P + Q when P and Q are the same. Workaround by 2*P
In loading Curve448, MPI N is in uninitialized state and its sign flag N.s isn't initialized to 1. This is fixed by following: Mbed-TLS/mbedtls#5811
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This PR includes the following Mbed OS PRs: