Date: Tue, 15 May 2012 10:00:44 +0200 (CEST) From: Michael Reifenberger <mike@reifenberger.com> To: Eric McCorkle <eric@shadowsun.net> Cc: freebsd-hackers@freebsd.org Subject: Re: GSoC Project: EFI on amd64/i386 Message-ID: <alpine.BSF.2.00.1205150955440.17247@gw.reifenberger.com> In-Reply-To: <4FB17B85.9080701@shadowsun.net> References: <4FA95960.7090908@shadowsun.net> <BA85B7AA-FEA5-40B0-A15A-B4E000206C59@xcllnt.net> <4FB17B85.9080701@shadowsun.net>
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On Mon, 14 May 2012, Eric McCorkle wrote: ... > If I understand things correctly, boot2 handles the switch to > protected mode (as well as enabling A20), both loader(8) and the > kernel begin their execution in a protected mode environment. Can I > get an absolute confirmation on this? Obviously if this is not the > case, then there will need to be another (protected mode) entry point > into the kernel. > No. *boot* and *loader should be the same on X32 and AMD64. The kernel seems to switch to long mode in /sys/amd64/amd64/mpboot.S Bye/2 --- Michael Reifenberger Michael@Reifenberger.com http://www.Reifenberger.com
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