Re: install/52094 (amd64 iso is only bootable in efi mode on legacy Mac)

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR install/52094; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: install/52094 (amd64 iso is only bootable in efi mode on legacy
 Mac)
Date: Sun, 3 Jun 2018 13:09:09 +0200

 On Sun, Jun 03, 2018 at 11:05:01AM +0000, Sevan Janiyan wrote:
 >  The EFI (not UEFI) boot manager on Apple hardware present 2 boot options
 >  from a single boot medium. One which utilises the EFI boot loader if
 >  present and the conventional (legacy BIOS) boot loader and you can
 >  select which to use.
 
 So how does it decide whether to offer the legacy one? Testing for the
 EFI boot partition is easy, but I am not sure how it can tell a working
 MBR from a dummy.
 
 Martin