From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <39d464d9182fb939d449ead3c9f6fd90@quanstro.net> From: erik quanstrom Date: Wed, 22 Aug 2007 19:44:02 -0400 To: 9fans@cse.psu.edu Subject: Re: [9fans] double-mapping KZERO in l.s In-Reply-To: <13426df10708221602l51238c48x2e4d6999891fc158@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: b0215026-ead2-11e9-9d60-3106f5b1d025 where is that time? what i see in l.s MOVL $_startpg(SB), AX /* this is a virtual address */ MOVL DX, CR0 /* turn on paging */ JMP* AX /* jump to the virtual nirvana */ perhaps i am missing it, but i don't see any point in the code where there's a problem. the two instructions that do the switch access only registers. - erik