From: Mahadev K Cholachagudda (kcmahadev@zilogindia.com)
Date: Tue Jan 30 2001 - 04:25:44 EST
> > > > Here we are planning to port the uCLinux for a different > architecture which > > doesn't has the following. > > > > -superuser and user mode in the chip architecture > > -gnu tools. > > > > Is these modes are necessary to port the uCLinux to a different > architecture > > ? > > > > I guess that you are not aware of how the M68K is implemented? The M68K > is run, totally, in supervisory mode, the user mode is not used at all. > > Regards, > > TomW > I have some experience with m68k-coldfire 5206e code. The ColdFire do have superuser/user mode. But the Linux should provide the protections for the kernel. If say application programmer writes an application which directly update the status of say interrupts, then the whole mechanism of protection is lost. thanks for the information rgds, -mahadev This message resent by the uclinux-dev@uclinux.org list server http://www.uClinux.org/
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