The EightThirtyTwo ISA – Part 21 – 2020-04-12
One facility that’s so far been sorely missing from the EigthThirtyTwo CPU is any form of provision for on-chip debugging. That is about to change!
Continue readingThe EightThirty Two ISA – Part 20 – 2020-04-03
I’m continuing to make gradual improvements to the EightThirtyTwo toolchain, and over the last few days I’ve given my attention to linker libraries, and endian issues.
While I initially intended EightThirtyTwo to be a big endian CPU, it occurred to me early on that I could make endian-ness configurable with a generic parameter. This I did, and having set that “littleendian” parameter to “true” for testing, I never actually changed it back, so all my testing over the last few months has actually been in little endian mode!
Continue reading2020-04-02
Over the last few days I’ve been attempting to replace the OpenRisc control CPU within the DE1 and DE2 Minimig cores with EightThirtyTwo – and it’s fighting me every step of the way!
Firstly, why do I want to do this? It’s a long story…
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