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169 Commits

Author SHA1 Message Date
Joachim Strömbergson
adcccc44de Change reset value for the trap led to black 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 11:32:38 +01:00
Joachim Strömbergson
d335dd708a Add HW to detect trap in cpu and signal using the LEDs 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-03-06 11:32:38 +01:00
Daniel Lublin
c9593f11c8 Config verilator lint to ignore known 3rd-party warnings; let warnings be fatal 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-03-01 13:37:31 +01:00
Joachim Strömbergson
caeee54e19
Change LED reset value to black 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-02-27 13:21:51 +01:00
Joachim Strömbergson
317561ad32
Remove options that are the same as the default values 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-02-27 10:22:04 +01:00
Daniel Lublin
9a6a790715
Add github action with basic CI that builds 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-02-03 14:28:56 +01:00
Daniel Lublin
eea8923170 Update fw & testfw to new api 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-01-30 15:48:57 +01:00
Joachim Strömbergson
6137b88fe0 Add separate start, stop bits and running status bit in API 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 15:48:57 +01:00
Joachim Strömbergson
ab03ebd12c
Improve wording ans size info in header 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 13:19:01 +01:00
Joachim Strömbergson
cc464e5be2
The memory is 256 x 32 bits, not 512 x 32 bits 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-30 13:00:43 +01:00
Joachim Strömbergson
f020495695
Cleanup of tb for timer core 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-20 10:14:44 +01:00
Daniel Lublin
60efb3c25e
Correct to new path 2023-01-13 15:42:46 +01:00
Daniel Lublin
f3c4e6c818
Revise UDI 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-01-05 14:34:32 +01:00
Joachim Strömbergson
9ce2b8a84a
Only accept tx data when the core is ready 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-01-02 13:10:40 +01:00
Daniel Lublin
c1b71b7ba6
testfw: test that UDI can't be read app-mode 2022-12-20 12:06:07 +01:00
Daniel Lublin
11c8eec7b8
testfw: use define and simplify 2022-12-20 12:06:07 +01:00
Joachim Strömbergson
5c74a0727c
Lock down access to UDI in app mode 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-12-20 12:05:56 +01:00
Daniel Lublin
c573155ba1
Sleep for a random number of cycles before reading out UDS to FW RAM 
To protect against warm boot attacks.

Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-19 15:25:29 +01:00
Daniel Lublin
9b9a125c66
Purge UDA; never implemented, now deprecated 
Fixes #58

Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-19 14:32:01 +01:00
Michael Cardell Widerkrantz
08e1438d1e
fw: Add support for blake2s MMIO 
In firmware we store the address to firmware blake2s() function at
TK1_MMIO_TK1_BLAKE2S so app can use this firmware function sort of
like a system call but without context switch.
 2022-12-15 12:59:52 +01:00
Joachim Strömbergson
a48dc7cbbb
Add reg writable from FW, readable from app for blake2s entry 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-12-08 16:16:15 +01:00
Michael Cardell Widerkrantz
3220d1c119
testfw: Remove test_ prefix on UART functions 2022-12-02 16:12:25 +01:00
Michael Cardell Widerkrantz
65bc96a725
fw: Prefix all HTIF console I/O functions with htif_ 2022-12-02 15:09:10 +01:00
Daniel Lublin
49d4735f17
Use TKey name 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-12-02 08:03:06 +01:00
Daniel Lublin
f87e12d1bb
Build with zmmul extension (require clang 15) 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 13:03:06 +01:00
Daniel Lublin
367fbec035
tpt: print whole output file paths when verbose 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 12:50:26 +01:00
Daniel Lublin
0541be76f3
tpt: make it really ask for items that are not passed in args 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-29 12:39:24 +01:00
Michael Cardell Widerkrantz
a0974a2c0b
fw: Make FW_CMD_NAME_VERSION return names as ASCII arrays 
Signed-off-by: Michael Cardell Widerkrantz <mc@tillitis.se>
 2022-11-28 16:17:19 +01:00
Daniel Lublin
a2bc95f49a
Flash red when ending in unknown stat 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-28 16:17:19 +01:00
Daniel Lublin
687ee4f8b1
Let LED be steady white when loading app 2022-11-28 16:17:19 +01:00
Michael Cardell Widerkrantz
60b2dcfbb9
fw: Don't allow an app size of 0 2022-11-28 16:17:19 +01:00
Michael Cardell Widerkrantz
c80dc53027
fw: Introduce an explicit state machine - changes protocol! 
We introduce an explicit state machine (see README).

With the new states we:

- combine setting size and USS to a single command.
- start the device app immediatiely when having receceived the last
  data chunk and returning the digest.
- Loop forever and wait for the stick to be removed if we end up in
  unknown state.

Signed-off-by: Michael Cardell Widerkrantz <mc@tillitis.se>
 2022-11-28 16:17:19 +01:00
Joachim Strömbergson
2fa1ffb8e7
Disable HW support in CPU for DIV 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-11-28 16:15:01 +01:00
Daniel Lublin
3435941eab
Remove version suffixes, no longer needed on ubuntu 22.10 (clang 15) 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2022-11-23 09:47:48 +01:00
Joachim Strömbergson
a15a94fe8e
Move readme:s for boards and firmware to doc subdir 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2022-11-21 16:27:30 +01:00
Daniel Lublin
acb9c37ee7
Add fw cmd to get UDI 2022-11-21 15:45:27 +01:00
Daniel Lublin
a2ffb6d007
Correct reference 2022-11-15 15:19:45 +01:00
Joachim Strömbergson
1a49304224 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-11-09 15:06:07 +01:00
Joachim Strömbergson
159b20fa4e
Zero extend the address to match SB_RAM4K ports 2022-11-09 15:05:03 +01:00
Daniel Lublin
a14662c622
Change to max 100 KB app with 28 KB stack 2022-11-02 15:52:29 +01:00
Daniel Lublin
fdda69745e
Add wrapper script that runs reset.py using virtualenv 2022-11-02 15:19:31 +01:00
Joachim Strömbergson
517fafff57 Merge branch 'bigger_rx_fifo' 2022-11-02 14:22:46 +01:00
Daniel Lublin
8755a65a38
Format code 2022-10-31 10:07:23 +01:00
Joachim Strömbergson
8061491f6e
Cleanup, and use fifo_empty to indicate data available 2022-10-28 13:12:47 +02:00
Joachim Strömbergson
24d8680772
Improve detection of empty and full FIFO 2022-10-28 13:09:21 +02:00
Joachim Strömbergson
0eacbca2f9
Increase size of RX-FIFO to 512 bytes 2022-10-28 12:48:13 +02:00
Daniel Lublin
85ef93cd3c
Clarify switch_app reads and writes; add read test to testfw 2022-10-26 11:38:58 +02:00
Daniel Lublin
4b4f014d38
Rename to TK1 2022-10-26 09:20:02 +02:00
Daniel Lublin
db8f9cf881
Document SRAM==SPRAM; fix whitespace 2022-10-24 11:58:54 +02:00
Michael Cardell Widerkrantz
490571b6c0
Clear all RAM during start 
Since SRAM has some data remanence even without power it seems good
hygien to clear all RAM when starting the device so as not to leak
potential sensitive data between device apps.
 2022-10-24 11:52:52 +02:00
Daniel Lublin
1661ac20d4
tpt: correct and clarify ranges 2022-10-24 10:05:05 +02:00
Daniel Lublin
ecc2923387
Explain how we attain 18 MHz 2022-10-21 14:33:03 +02:00
Daniel Lublin
675fa1087f
Raise bps to 62500 2022-10-21 14:10:41 +02:00
Michael Cardell Widerkrantz
b8f1d4a083
Add make target secret, update quickstart 2022-10-20 17:02:56 +02:00
Daniel Lublin
65f2272a45
Add TRNG to testfw, document 2022-10-20 12:05:19 +02:00
Michael Cardell Widerkrantz
c52f7d52cd
testfw: Add timer tests 2022-10-20 11:34:01 +02:00
Joachim Strömbergson
19b75e71fe
Fix bit counter and simplify emtropy extraction 2022-10-19 13:10:26 +02:00
Joachim Strömbergson
20647fc486 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-19 09:39:23 +02:00
Joachim Strömbergson
c07c15a8b8
Update README to describe the new ROSC based TRNG 2022-10-19 09:37:58 +02:00
Michael Cardell Widerkrantz
cbe6d3db8d
Use the new firmware-only RAM for CDI computation 
To protect UDS we use a special firmware-only RAM for both the in
parameter to the blake2s() function and for the blake2s_ctx.
 2022-10-18 14:51:30 +02:00
Michael Cardell Widerkrantz
6d08a82c05
Pass the blake2s_ctx to blake2s() as arg 
Instead of allocating the blake2s_ctx in the blake2s() function we
pass it as a pointer as an argument to be able to better control where
the variable is in memory.
 2022-10-18 14:51:26 +02:00
Joachim Strömbergson
e0d68f3dae Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-18 11:31:42 +02:00
Joachim Strömbergson
ddd969870e
Count from init values to one, not zero 2022-10-18 11:06:40 +02:00
Daniel Lublin
7129205cb0
Add fw_ram size to mem-include 2022-10-17 11:38:04 +02:00
Daniel Lublin
69c3f77e5e
testfw: tidy, clean-up, fmt 2022-10-17 11:15:26 +02:00
Joachim Strömbergson
f6046d55a9
Change ADDR_CTRL to be a pulsed start_stop signal 2022-10-14 08:50:30 +02:00
Joachim Strömbergson
c3f7c5fb06
Ignore the prescaler if prescaler init value is zero 2022-10-13 16:24:03 +02:00
Joachim Strömbergson
2be934ee22
Restore start and stop bits, but clarify in documenation 2022-10-13 16:10:08 +02:00
Joachim Strömbergson
00d180d34e
Change to a single run bit and update access control 2022-10-13 14:58:39 +02:00
Joachim Strömbergson
5e5550461f
Removing confusing negation in message 2022-10-13 13:56:12 +02:00
Joachim Strömbergson
1b03459ab3
Remove app-accessible debug register from mta1 core 2022-10-13 13:51:19 +02:00
Joachim Strömbergson
51a22dc32c Merge branch 'fw_ram' 2022-10-13 13:16:53 +02:00
Joachim Strömbergson
1f2a585aba
Add test case for fw_ram 2022-10-13 13:16:11 +02:00
Joachim Strömbergson
8e493b6322
Debug fw_ram and add fw_app_mode access control 2022-10-13 13:14:10 +02:00
Joachim Strömbergson
b37b377a7e
Change optimization to Os since we want compact code 2022-10-13 09:26:49 +02:00
Daniel Lublin
55c5081486
Adjust and document the firmware state-machine, including USS 
In particular, order of LOAD_USS and LOAD_APP_SIZE is not required, but
the need to send both is documented. This is followed up with adjustment
in the host programs' Go code, to try to reinforce this. LoadApp() will
take the secretPhrase parameter (to be hashed as USS), and loadUSS()
will be unexported.

Correct CMD/RSP lengths in pseudo-code.
 2022-10-12 15:12:07 +02:00
Joachim Strömbergson
5013338e50
Change to a more descriptive name 2022-10-12 11:14:46 +02:00
Joachim Strömbergson
192ce47fce
Fix #18 with incorrect clock frequency in analysis 2022-10-12 10:25:37 +02:00
Joachim Strömbergson
a9fd26da3b
Fix bit bit width mismatches 2022-10-12 10:21:50 +02:00
Joachim Strömbergson
6ce374cd97 Merge branch 'main' of github.com:tillitis/tillitis-key1 2022-10-12 10:08:16 +02:00
Joachim Strömbergson
82a64f2b2c
Remove DONE state that added one extra final cycle 2022-10-12 10:06:41 +02:00
Daniel Lublin
200ef26f36
Correct 2022-10-11 20:46:21 +02:00
Daniel Lublin
4d927ce426
Fix size_mismatch for testfw 2022-10-11 17:25:19 +02:00
Daniel Lublin
96746b2de0
Clarify BRAM_FW_SIZE 2022-10-11 17:25:00 +02:00
Joachim Strömbergson
cbf1104fed
Write whole byte, not nybbles 2022-10-11 17:05:21 +02:00
Joachim Strömbergson
a51619e5b7
Add fw_ram module 2022-10-11 16:58:26 +02:00
Joachim Strömbergson
24cf80af32
Remove redundant spram module 2022-10-11 13:27:57 +02:00
Joachim Strömbergson
7e0692b150
Replace FiGaRO based TRNG with new ROSC based TRNG 2022-10-11 13:17:04 +02:00
Joachim Strömbergson
af36a40f3e Merge branch 'new_trng' 2022-10-11 13:00:13 +02:00
Joachim Strömbergson
5087a67376
Reduce FW ROM size to 6 kByte 2022-10-11 12:54:44 +02:00
Joachim Strömbergson
4b929fedf2 Merge branch 'name_version' 2022-10-11 11:30:47 +02:00
Joachim Strömbergson
87dab3fe6d
Remove name, version addresses for cores 2022-10-11 09:55:56 +02:00
Joachim Strömbergson
3f44b999ac
Remove name, version from several cores 
timer
       touch_sense
       figaro
       uart
       uds
 2022-10-11 09:50:45 +02:00
Joachim Strömbergson
cdbe71d40d
Add new ROSC based TRNG with VN decorrelation 2022-10-11 08:45:06 +02:00
Joachim Strömbergson
4ed27b4460
Add new rosc based entropy source 2022-10-08 18:37:48 +02:00
Michael Cardell Widerkrantz
df7a26c28c
Compile firmware with -DNOCONSOLE 2022-10-07 11:19:53 +02:00
Joachim Strömbergson
c90771fe19
Remove API access to current prescaler value 2022-10-06 15:56:13 +02:00
Joachim Strömbergson
cc59d8dc93
Update verilator top level module to match rom module changes 2022-10-06 13:59:01 +02:00
Joachim Strömbergson
c35e7680ea
Squashed commit of the following: 
Silence lint on intentional combinatinal loops
    Use better instance names, and a single lint pragma for all macros
    Remove unused pointer update signals
    Silence lint on wires where not all bits are used
    Change fw_app_mode to be an input port to allow access control
    Remove redundant, unused wire mem_busy
    Add lint pragma to ignore debug register only enabled by a define
    Remove clk and reset_n ports from the ROM
    Adding note and lint pragma for rom address width
    Fix incorrect register widths in uart_core
    Assign all 16 bits in LUT config
    Silence lint warnings on macro instances
    Correct bit extraction for core addresses to be eight bits wide
    Correct the bit width of cdi_mem_we wire
    Add specific output file for logging lint issues
    Correct bit width of tmp_ready to match one bit ready port
 2022-10-06 13:23:30 +02:00
Daniel Lublin
2bb62af183
Update bit divisor calc in verilator's uart to our current 18 MHz 2022-10-03 13:11:53 +02:00