Re: mips 32 24kec eabi. . .

[Mike Frysinger <vapier at gentoo dot org>]

On 06 Jul 2015 17:39, ANDY KENNEDY wrote:
> From: Mike Frysinger
> > On 06 Jul 2015 16:00, ANDY KENNEDY wrote:
> > > It seems that we are required to use the eabi system calls at boot for
> > > this processor.  Is that real or have we fallen off into the weeds on
> > > this?  We are not (by far) mips experts.
> > 
> > if you only need it for the boot loader (e.g. u-boot), then you don't want a
> > linux/glibc toolchain.  people use something like mips-elf (*) instead and that
> > can either use newlib or forego the C library entirely.
> 
> In the end, I'll need both Linux and u-Boot.  At the moment, I'd settle
> for u-Boot only.  I cannot seem to make the eabi stuff work correctly.
> I'm missing "qp" from the instruction set -- not that I have a clue
> what that means :).  I have made a toolchain for Linux that worked after
> booting through RedBoot -- but that same toolchain didn't seem to do the
> right thing for building u-Boot.

Linux (the kernel) can be built using the same bare metal toolchain as the boot 
loader, but it could probably also be built using a linux/glibc toolchain while 
also targetting EABI.  but i'm not sure what the status is of userland EABI 
MIPS.  you're probably in untested waters there.
-mike

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