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To: kokamoto@hera.eonet.ne.jp, 9front@9front.org
Subject: Re: [9front] adding javascript enable to netsurf
Date: Thu, 12 Mar 2020 21:58:41 -0700
From: ori@eigenstate.org
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X-Bullshit: full-stack-oriented persistence control 

>> However, I'm now running it on 1GB rpi3, it corrupted.
>> I'll compile netsurf on a 386 machine tommorrow.
> 
> I did it.
> term% ls -l 8.nsfb
> --rwxr-xr-x M 26 kokamoto kokamoto 46841407 Mar 13 11:20 8.nsfb
> 
> It's worse...
> 
> I got:
> term% ./8.nsfb
> INITING display!
> 8.nsfb 51407: suicide: sys: fp: invalid operation fppc=0xf8dc6 status=0xb8a3 pc=0x000e5026
> 
> I'll take a rest, and investigate what's going on here.
> 
> Kenji

Plan 9 is stricter about floating point operations like division by zero. It can
be made to behave more like Unix by calling setfcr at the start of the program.
I think something like:

	setfcr(getfcr() & ~(FPINVAL|FPZDIV|FPOVFL));

will do the job.