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Diffstat (limited to 'riscv/README.org')
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diff --git a/riscv/README.org b/riscv/README.org new file mode 100644 index 0000000..9c549b7 --- /dev/null +++ b/riscv/README.org @@ -0,0 +1,19 @@ +#+title: ButterStick CPU +#+author: Yann Herklotz + +To build the example LED-blinking firmware for an HX8K Breakout Board and get +a timing report (checked against the default 12MHz oscillator): + +#+begin_src shell +$ make clean example.bin timing +#+end_src + +To run all the simulation tests: + +#+begin_src shell +$ make clean example_sim synth_sim route_sim FIRMWARE_COUNTER_BITS=4 +#+end_src + +(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.) |