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Re: NanoNote debootstrap debugging



On Friday 26 March 2010 13:06:01 Phil Endecott wrote:
> yajin wrote:
> > The nano note's CPU does NOT have a fp. So it needs the kernel to
> > emulate the fp instruction.
> 
> OK, thanks.  But presumably the OpenWRT kernel is already doing that
> because the OpenWRT binaries run.  Is there more than one FP emulation
> mode, or something?  (Any docs about this?)

The OpenWrt kernel disables the in-kernel FPU emulator and produces software-
floating point toolchains (-msoft-float).

See: 
https://dev.openwrt.org/browser/trunk/target/linux/generic-2.6/patches-2.6.32/025-
mips_disable_fpu.patch
--
Florian


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