[coreboot] seabios failure with v2 and -fomit-frame-pointer
joe at settoplinux.org
Wed Mar 18 21:48:23 CET 2009
On Wed, 18 Mar 2009 14:25:55 -0600, Myles Watson <mylesgw at gmail.com> wrote:
> On Wed, Mar 18, 2009 at 2:23 PM, ron minnich <rminnich at gmail.com> wrote:
>> On Wed, Mar 18, 2009 at 1:17 PM, Kevin O'Connor <kevin at koconnor.net>
>>> On Wed, Mar 18, 2009 at 01:01:41PM -0700, ron minnich wrote:
>>>> are the payloads built with omit frame pointer?
>>>> it's not a good thing if we have to sync how payloads are built with
>>>> how coreboot is built.
>>> SeaBIOS does use -fomit-frame-pointer (enabling it provides noticably
>>> better code generation). However, I don't think this is related to
>>> the payload at all. The frame-pointer option controls what gcc puts
>>> into %ebp, and SeaBIOS doesn't care at all what's in that register
>>> when it is launched.
>> yes, we may still be looking at a symptom of a different problem
> Maybe we should be asking for successes instead of failures. Has
> anyone been able to boot any payload with v2 and -fomit-frame-pointer?
If it is in the FILO CC flags, I built it the other day, and it is booting
just fine for me.
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