Dual boot problems (RESOLVED)
fbsd06 at mlists.homeunix.com
Wed Feb 14 14:09:28 UTC 2007
On Tue, 13 Feb 2007 19:46:18 -0800
Garrett Cooper <youshi10 at u.washington.edu> wrote:
> RW wrote:
> > On Tue, 13 Feb 2007 21:51:52 -0500 (EST)
> > "Questions" <questions at totaldiver.net> wrote:
> >>> On Tue, 13 Feb 2007 20:44:03 -0500 (EST)
> >>> "Questions" <questions at totaldiver.net> wrote:
> >>>> However, when I try FreeBSD/amd64, grub won't compile (it's
> >>>> architecture is forced to i386 only in the Makefile. I haven't
> >>>> dug into why, but I'm confident there is a reason. Obviously,
> >>>> grub becomes a non-option. Gag has the same limitation of being
> >>>> i386 only.
> >>> I'm not sure why gag is i386 only, all it does is install a binary
> >>> floppy disk ISO. You can also install it from many Linux live CDs.
> >>> Once it's installed it's independent of the original installation
> >>> medium.
> Probably because architecture stuff and bit length in 32-bit is
> half :)? Instruction set's a bit different too. There are some new
> features in the new Intel processors like overflow protection, etc,
> so I wouldn't doubt there are differences in ISA at the assembler
No, at the point Gag runs, the CPU isn't even 32-bit, let alone 64-bit.
The port just extracts a precompiled ISO file. It won't run on
anything that isn't PC compatible, so it isn't actually platform
independent, but it should run on any CPU with a "real mode".
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