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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