88 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	f364b523cf	Change UDS address to three bits to match input port connection 'addr' ... 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
blaufish	cced6aec31	Explicity make uart_core.rx_data a wire (#140)	2023-08-16 10:43:04 +02:00
Joachim Strömbergson	17ddb1f84a	Minor fix of ackronyms in the README ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:29 +02:00
Joachim Strömbergson	3e75818879	Fix spelling of toolruns dir ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:29 +02:00
Joachim Strömbergson	5e34802d1c	Update readme with info on API, status, usage and performance ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
Joachim Strömbergson	361381210e	Add an initial testcase. Hard to simulate entropy ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
Joachim Strömbergson	a76fc19c65	Add Makefile, testbench and support module needed to build som target ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:28 +02:00
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	97e3e25d98	Update the UART README with info about the core and its API ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	704d67c8ab	Add Makefile to build sim. Debug sim build ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	819b93deff	Complete testbench and update README with API info ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	bbff7576df	Fix markdown syntax for API listing ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	e6eaad87dc	Update README with info about the timer API ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	4c54b4b60b	Add info about the API in the README ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	18bb9b8599	Making the testbench self checking ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:25 +02:00
Joachim Strömbergson	1d2a71ec0c	Change file extension to markdown ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:24 +02:00
Joachim Strömbergson	1e97e27e66	Updated README, completed testcase and cleaned up the testbench ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:24 +02:00
Joachim Strömbergson	9d188a2f7f	Add more info about how the timer works ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:24 +02:00
Joachim Strömbergson	7c9dfaf45a	Add testcase for the timer top level wrapper and clean up the tb ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:24 +02:00
Joachim Strömbergson	c185849ae4	Minor cleanup of README, testbench and Makefile ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-07-04 09:04:24 +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	3eb5b7879c	Add API address to read out number of bytes in Rx FIFO ... Signed-off-by: Joachim Strömbergson <joachim@assured.se>	2023-03-07 08:22:27 +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