From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,ee887b7593f7961b X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!feeder3.cambrium.nl!feeder4.cambrium.nl!feed.tweaknews.nl!news.netcologne.de!newsfeed-hp2.netcologne.de!newsfeed.arcor.de!newsspool2.arcor-online.net!news.arcor.de.POSTED!not-for-mail Date: Tue, 11 Nov 2008 12:59:50 +0100 From: Georg Bauhaus User-Agent: Thunderbird 2.0.0.17 (Macintosh/20080914) MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Ada OS based on Minix3 References: <4919431e$1@news.post.ch> <491967de$0$32371$4d3efbfe@news.sover.net> In-Reply-To: <491967de$0$32371$4d3efbfe@news.sover.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Message-ID: <491973b6$0$32664$9b4e6d93@newsspool2.arcor-online.net> Organization: Arcor NNTP-Posting-Date: 11 Nov 2008 12:59:50 CET NNTP-Posting-Host: 9bed76b5.newsspool2.arcor-online.net X-Trace: DXC=LRM7B98g:T\=>bdbdS?M0YA9EHlD;3YcR4Fo<]lROoRQ^YC2XCjHcbYdbW4:b0`KaP;9OJDO8_SKVNSZ1n^B98iZLDPUV Peter C. Chapin schrieb: > Martin Krischik wrote: > >> Now, if I wanted to create an OS I would not target real hardware at >> all. At least not in the beginning. I would probably implement the OS >> inside a VMware virtual machine. > > What about targeting a hypervisor like Xen? If I understand correctly > (and I may not) that would separate the OS somewhat from the real > hardware and may help its portability in the long run. How could separation from the hardware do better than a Microkernel such as Minix 3? Full virtualization also deprives you of access to a larger set of hardware. Which, I'd speculate, is not too helpful when targetting mostly embedded system?