[Libre-soc-dev] daily kan-ban update 29dec2021

lkcl luke.leighton at gmail.com
Wed Dec 29 21:53:06 GMT 2021

yesterday got the mmu.bin tests working which is fantastic, next task is to run linux with a buildroot initramfs.

last night and today therefore i started investigating how to get microwatt running linux under verilator and immediately ran smack into a resource problem.

whilst running "make microwatt-verilator" technically works, adding even 16 mbyte of "RAM" requires a stunning 45 GB of ram to create a 512 mbyte microwatt.v file, and verilator itself was using 60 GB of resident RAM attempting to compile it.

therefore i am going to look up how to create an SRAM in c++ under verilator, which will be a mmap'd file.


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