38 Commits

Author	SHA1	Message	Date
Joachim Strömbergson	de668a0244	Clean up code and silence warnings after linting ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2024-03-20 16:39:53 +01:00
Joachim Strömbergson	bbde62d3f5	Add PINMISSING lint ignore for I1 and I2 SB_LUT4 cells ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2024-03-20 16:39:52 +01:00
Joachim Strömbergson	8731908cb1	Support incremental builds for the bitstream. ... By patching the UDS and UDI into an already built bitstream, it is now not necessary to rebuild the entire build flow when changing the UDS and the UDI. This lowers re-build times significantly. Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2024-03-20 16:39:45 +01:00
Joachim Strömbergson	8784a24b33	Change cpu_monitor to security_monitor and to also check RAM ... Change name of cpu_monitor to security_monitor and increase its functionality to include RAM access violations. If addresses in RAM but outside of physical RAM is accessed in any way the security_monitor traps the CPU in the same way as it already did for execution violations.	2024-03-20 14:36:55 +01:00
Joachim Strömbergson	3fb6d66cf3	Add set-only register for the force_trap signal to ensure ... that the device must be reset to get out of trap. This change also breaks a critical path. Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2024-03-20 14:36:55 +01:00
Joachim Strömbergson	a517552c85	Update README with info about the core functions ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
Joachim Strömbergson	bc7dfea9c4	Add test9: EXE monitor control and detection ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
Joachim Strömbergson	4644c79cbd	Adding test 8: GPIO test ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
Joachim Strömbergson	394e437c91	Add test7: Control of LED RGB outputs. ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	480f4e3d45	Add test6: Test that RAM ASLR and SCRAMBLE registers can be set by fw ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	d70937c11b	Improved messaging from the testbench ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	59af60bdd5	Add test4: writing and reading blake2s entry point ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	dc2903a5b4	Update test3 to check that writing to CDI works when in fw mode ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	16a91bfdd5	Adding test 3: Reading out the CDI ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	1f47991ac2	Add test2: Read out UDI ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:27 +02:00
Joachim Strömbergson	6d9890d050	Add test1: Read out name and version ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	49eac9d101	Complete init of DUT and input, output display ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	1909833952	Add header with info and license ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	b1993742bb	Fix testbench buik including DUT instantiation ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	2fb61bba73	Add UDI used during simulation ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	cb2fd573b3	Add dummy LED macro driver module needed for simulation ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	61598f57e5	Add initial version of testbench annd Makfile for building sim target ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:26 +02:00
Joachim Strömbergson	000b7644b5	Update fw ram last address to match new mem size ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-08 13:31:45 +01:00
Joachim Strömbergson	2e2ca04ab7	Bump FPGA design version to 5 ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-07 12:30:10 +01:00
Joachim Strömbergson	d075cc72c3	Manually merged changes for scrambling ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-07 10:42:59 +01:00
Joachim Strömbergson	4db4e39205	Clarify the purpose and functionality of the tk1 core ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-07 08:20:18 +01:00
Joachim Strömbergson	6f327d2ff9	Block changing of monitor addresses when enabled ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 15:41:55 +01:00
Joachim Strömbergson	66ebe5089a	Add fw_ram as always active exe monitor area ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 15:41:55 +01:00
Joachim Strömbergson	5c05ae657e	exe monitor can only be enabled, not disabled ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 15:41:55 +01:00
Joachim Strömbergson	7612d00ccf	Feed CPU illegal instruction to trigger trap ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 15:41:55 +01:00
Joachim Strömbergson	86ea45e10a	Add CPU execution monitor ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 15:41:53 +01:00
Joachim Strömbergson	e514f778b2	Remove stray variable for blake2s address update ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-06 11:32:38 +01:00
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
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	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
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
Daniel Lublin	4b4f014d38	Rename to TK1	2022-10-26 09:20:02 +02:00