sorear changed the topic of #riscv to: RISC-V instruction set architecture | https://riscv.org | Logs: https://libera.irclog.whitequark.org/riscv | Matrix: #riscv:catircservices.org
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<muurkha> dh2`: I'm not sure it makes sense to go to all the effort of writing a good software emulator without going to the effort to make it a dynamic recompiler, unless maybe it's running on an iPhone or a Harvard architecture?
<muurkha> so it might be hard to find one
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<dh`> that seems to be the case
<dh`> client needs to be able to instrument one instruction at a time, and they did a first version by hacking the recompiler maximum block size to 1, but that ends up being amazingly slow
<muurkha> maybe they should hack the recompiler to insert the instrumentation they want
<muurkha> or they could instrument the input to the recompiler
<dh`> that is unfortunately a big job
<muurkha> it'd be nice if we had libraries that assisted with that kind of job, no?
<dh`> could also rewrite the instrumentation into the binary before letting the recompiler see it, but _that_ is also a big job
<muurkha> yes, that was my second suggestion above
<dh`> oh, I thought you meant running the instrumentation at (re)compile time
<dh`> which is also an option, sort of, but probably won't work here
<muurkha> there are probably emulators intended for Harvard machines
<muurkha> given how many microcontrollers are Harvard machines
<muurkha> but they're probably designed for machines without the RAM for the devices you want
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<dh`> that probably doesn't matter much
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<palmer> am I still "palmer"? NickServ is saying "You cannot identify to palmer because the server configuration disallows it."
<bjdooks> seem to be for now
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<palmer> cool
<Tenkawa> That's a new one I've never seen from Nickserv... (then again Nickserv's code is .... something(
<Tenkawa> s/(//)
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<palmer> yep, I figure it's easier to just ask than try and understand IRC bots ;)
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<Tenkawa> haahaa
<Tenkawa> indeed
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<geist> yah i got the same thing, must be some sort of network reboot
<geist> ah or irccloud rebooted
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<jedix> irccloud: the cloud comes for everything in the end.
<jedix> (and ends everything)
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<palmer> ya, I'm also in irccloud. OFTC nickserv re-registered me, so it's probably just an irccloud reboot
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<Stat_headcrabed> I made a fix for vf2's upstream u-boot to solve ddr size problem
<Stat_headcrabed> Anyone could test this?
<Stat_headcrabed> I'm using 4GB version so can't test by myself
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<la_mettrie> on datasheets jh7100 & jh7110 seem to have similar Ethernet devices but device tree and kernel implementation looks quite different. so are the devices nevertheless identical?
<palmer> la_mettrie: IIRC most of the issues were on the memory system side, so even if the ethernet controller is basically the same there's a lot of difference in the kernel
<la_mettrie> okay, that explains
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<Tenkawa> There's revision differences as well in the JH7110 models
<Tenkawa> the earlier 7110 models had hardware issues
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<Tenkawa> There's individual dtbs for each 7110 model
<Tenkawa> (from the vendor ones)
<Tenkawa> The 1.2a seem to be the most common
<Tenkawa> note your dmesg or cat /proc/device-tree/model
<Tenkawa> dmesg | grep model
<Tenkawa> na@vf2:/boot$ cat /proc/device-tree/model
<Tenkawa> [ 0.000000] Machine model: StarFive VisionFive 2 v1.2A
<Tenkawa> StarFive VisionFive 2 v1.2A
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