Re: [ts-7000] Re: Help me to write a C code for read temperarutere on TS-7200 (NetBSD 3.1)

[Andres Gomez <>]

yes, Charlie, this is the point, but when I try to set securelevel in -1 or 0 it shows this message:

# sysctl -w kern.securelevel=-1
sysctl: kern.securelevel: sysctl() failed with Operation not permitted

At moment, my securelevel is 1, I read that I init from single-user mode the securelevel is 0...I'll try to run my temp sensor script (which write /dev/mem). The kernel compiled in the official NetBSD FTP for 3.1 release has compiled with OPTION INSECURE (without adding `option INSECURE' in the kernel configuration file) and I don't know how to decrease this level to -1 or 0.

Other options perphaps is call to my script on /etc/rc file at start process before change de securelevel from 0 to 1.
What do you say Charlie?
 

--- El jue 6-nov-08, charliem_1216 <> escribiÃ:

De: charliem_1216 <>
Asunto: [ts-7000] Re: Help me to write a C code for read temperarutere on TS-7200 (NetBSD 3.1)
Para:
Fecha: jueves, 6 de noviembre de 2008, 5:26 pm

--- In .com, Andres Gomez <andres.gomez08@ ...> wrote:
>
> It isn't so simple, Charlie. The Linux code tempSensor.c don't run
on NetBSD, I tried it. I reed the Datasheet

Andres,

What is the error when you run the linux tempSensor code? Have you
traced it?

Note that to be able to open /dev/mem you probably must change the
netBSD secure level, as described here:
http://wiki. netbsd.se/ Kernel_secure_ levels

Once you can open /dev/mem and mmap it as needed, I don't see why the
linux userspace approach won't work.

Regards, ......... Charlie

---

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