frannk_m1 at yahoo.com
Wed Mar 17 16:05:00 CET 2004
This is very good information everyone and everyone is lot nicer
then that "other" (ppc) boot loader group. Where can I get more
information on RomCC and how do I incorporate that into my
LinuxBios build. Does RomCC replace GCC...
--- Bari Ari <bari at onelabs.com> wrote:
> Nathanael Noblet wrote:
> > On Wednesday, March 17, 2004, at 12:00 PM, Frank wrote:
> >> Forgive me for my ignorance but now I am really confused.
> >> is the difference between Freebios, Freebios2 and
> LinuxBios. I
> >> thought they were one in the same.:-(
> > freebios was started before linuxbios. LinuxBIOS "took over"
> > but didn't change the cvs name. V1 of freebios/linuxbios is
> the CVS
> > module freebios. Freebios2 is LinuxBIOS version 2.
> FreeBios = LinuxBIOS.
> LinuxBIOS was forked when Eric wrote RomCC last year. V2
> (Version2) is
> the new LinuxBIOS source tree that is the 100% C version of
> V1 (Version 1) is the old LinuxBIOS source that used assembly
> and C.
> "romcc is a C compiler that does not use a stack. Instead it
> all variables in registers.
> Currently LinuxBIOS has a lot of assembly code simply because
> initialization is difficult in the general case. This code
> cannot be
> written with a standard compiler because there is no memory to
> a stack in. Nor on x86 are there cache blocks that can be
> locked into
> place. As code generated with romcc does not use a stack it
> can be
> used during memory initialization."
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