-----邮件原件----- 发件人: Andrew Fish [mailto:af...@apple.com] 发送时间: 2015年8月17日 2:27 收件人: Rod Smith 抄送: edk2-devel@lists.sourceforge.net 主题: Re: [edk2] 答复: can ovmf boot from mbr partioned disk
> On Aug 16, 2015, at 10:54 AM, Rod Smith <rodsm...@rodsbooks.com> wrote: > > On 08/16/2015 12:01 AM, Fanhenglong wrote: >> >> In uefi boot mode I can’t install windows or linux guest os on mbr >> partition, >> >> Maybe uefi only supports booting from mbr and can’t install on mbr? > > Windows and most Linux distributions have their own prohibitions > against installing to MBR disks. Your description is a little unclear, > but you're probably running into this issue. > > Earlier, you wrote: > >> I can’t convert mbr to gpt, >> >> Why not? The OS installer should permit you to do this, although in >> some cases you'll need to jump through some hoops to do it. (Note that >> this may destroy other OSes already installed to the disk, or at least >> render them unbootable until an EFI-mode boot loader is installed.) > >Not to mention it is OVMF, so you could have an MBR disk and a GPT disk. >For legacy BIOS boot you need C: and magic sectors on an MBR formatted disk >(sector zero, and cheat sectors lots of folks try to use). >For EFI you boot from a named file on a FAT32 system partition. The system >partition can contain an unlimited number of OS loaders. The OS installer >writes an NVRAM variable >that sets the name of the 1st stage OS loader (EFI Application). I will try this way Thanks Henglong Fan ------------------------------------------------------------------------------ _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel