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author | Austin Seipp <aseipp@pobox.com> | 2019-01-11 15:55:56 -0600 |
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committer | Austin Seipp <aseipp@pobox.com> | 2019-01-11 16:09:07 -0600 |
commit | 770b5bd4c6e9383e840319c69a64dfb47be833d4 (patch) | |
tree | 51615009935b3e7bbf1777bb02ef0a73bce4d879 | |
parent | 13a9edf12251049b2c64746a5e76b9ede7ee6b31 (diff) | |
download | picorv32-770b5bd4c6e9383e840319c69a64dfb47be833d4.tar.gz picorv32-770b5bd4c6e9383e840319c69a64dfb47be833d4.zip |
scripts/icestorm: add readme
Notes about how to build proper simulation vs hardware bitstreams.
Signed-off-by: Austin Seipp <aseipp@pobox.com>
-rw-r--r-- | scripts/icestorm/readme.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/scripts/icestorm/readme.md b/scripts/icestorm/readme.md new file mode 100644 index 0000000..101391f --- /dev/null +++ b/scripts/icestorm/readme.md @@ -0,0 +1,12 @@ +To build the example LED-blinking firmware for an HX8K Breakout Board and get +a timing report (checked against the default 12MHz oscillator): + + $ make clean example.bin timing + +To run all the simulation tests: + + $ make clean example_sim synth_sim route_sim FIRMWARE_COUNTER_BITS=4 + +(You must run the `clean` target to rebuild the firmware with the updated +`FIRMWARE_COUNTER_BITS` parameter; the firmware source must be recompiled for +simulation vs hardware, but this is not tracked as a Makefile dependency.) |