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440 Commits 27 Branches 14 Tags 32 MiB
3fb6d66cf3
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285 Commits

Author SHA1 Message Date
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
4c3e210a00
Only set ram_we to cpu_wstrb in RAM_PREFIX 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2024-03-20 14:36:55 +01:00
Joachim Strömbergson
e48c0fc7d9
Implement cs0 and cs1 as logic equations, not muxes 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2024-03-20 14:36:55 +01:00
Michael Cardell Widerkrantz
0590445f3d
Add testbench targets on top-level 
The testbenches live in their own Makefiles under
hw/application_fpga/core/*/toolruns (except picorv32). Let's add a
top-level target to build and run them.

In order to run core testbenches, use

  cd hw/application_fpga
  make tb

or if using Podman:

  cd contrib
  make run-tb

to run the same target in a container.
 2024-03-20 13:47:12 +01:00
Michael Cardell Widerkrantz
4d4db70590
fw: Change ASLR name in MMIO 
Use _RAM_ADDR_RAND instead of _RAM_ASLR since this is not OS-level
ASLR we're talking about. It's address randomization as seen from
outside of the CPU, not from the process running inside it. Ordinary
ASLR is visible from the CPU.
 2024-03-19 14:36:31 +01:00
Michael Cardell Widerkrantz
f40987b138
fw: Change license for use with qemu 
This file is also included in at least qemu (GPL-2.0-or-later) besides
tillitis-key1 (GPL-2.0-only) and tkey-libs (GPL-2.0-only) so it's
licensed as GPL v2 or later even if the rest of the project is -only.
 2024-03-19 14:36:31 +01:00
Michael Cardell Widerkrantz
c48724e115
fw: Change memory constants to defines 
Instead of putting  memory constant into an enum we use defines.

Use the direct memory address instead of ORing constants together to
compute the address.

An enum in ISO C is a signed int. Some of are memory addresses are to
large to fit in a signed int. This is not a problem since we're not
using ISO C (-std=gnu99) but it doesn't look very nice if you turn on
pedantic warnings. Also, if someone would use another compiler which
at least supports the inline assembly we use, but possible not other
GNU extensions, things would probably break.
 2024-03-19 14:36:20 +01:00
dehanj
1e34ddcfa6
Update linter to Verilog-2005 2024-03-19 10:45:37 +01:00
Michael Cardell Widerkrantz
746d7f0e0d
Use pedantic warnings 
Use pedantic warnings but still allow inline assembly, so turn off
language-extension-token warnings.
 2024-03-19 09:25:37 +01:00
Michael Cardell Widerkrantz
e085d0ebd0
Add void to function signatures meant to be used without args 2024-03-19 08:41:39 +01:00
Michael Cardell Widerkrantz
046343e525
Change memory constants to defines 
Instead of putting  memory constant into an enum we use defines.

Use the direct memory address instead of ORing constants together to
compute the address.

An enum in ISO C is a signed int. Some of are memory addresses are to
large to fit in a signed int. This is not a problem since we're not
using ISO C (-std=gnu99) but it doesn't look very nice if you turn on
pedantic warnings. Also, if someone would use another compiler which
at least supports the inline assembly we use, but possible not other
GNU extensions, things would probably break.
 2024-03-19 08:40:04 +01:00
Michael Cardell Widerkrantz
e2bd38c540
fw: Remove unusued forever_redflash() 
Since we now use assert() and feed the CPU an unimplemented
instruction we have no need for this.
 2024-03-18 16:19:59 +01:00
dehanj
9d36acde08
FW: Force the CPU to hang on errors 2024-03-14 15:48:10 +01:00
dehanj
d83f235fd3
Add injection molded plastic case 2023-12-11 13:48:39 +01:00
dehanj
7019cd9048
remove whitespaces and tabs 2023-12-07 17:16:31 +01:00
dehanj
2014923966
Isolate ringbuffer index, copy inbound usb data to new buffer 2023-12-07 17:15:24 +01:00
dehanj
6d5da25321
Translate + clean up 2023-11-07 10:59:21 +01:00
dehanj
f83abed4e4
Add gpio for debug purpose 2023-11-06 12:19:00 +01:00
dehanj
a453aae031
New plastic clip and update BOM for TP1 2023-09-01 13:41:05 +02:00
Daniel Lublin
7cd085a17e
Avoid confusing errors by checking for programmer and stick first 
Signed-off-by: Daniel Lublin <daniel@lublin.se>
 2023-08-30 11:37:03 +02:00
blaufish
426b56ebf5
Verilog 2001 rule; use wires for assignments, not registers. (#139) 2023-08-16 10:44:18 +02:00
blaufish
cced6aec31
Explicity make uart_core.rx_data a wire (#140) 2023-08-16 10:43:04 +02:00
Joachim Strömbergson
022bf0bbf9
Change name of pin constraint file to match tk1 pcb 
Signed-off-by: Joachim Strömbergson <joachim@assured.se>
 2023-07-04 09:04:29 +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