Date: Fri, 25 Aug 2000 10:49:46 -0600 From: Warner Losh <imp@village.org> To: pran@procsys.com Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Memory Mapping -2 Message-ID: <200008251649.KAA17846@harmony.village.org> In-Reply-To: Your message of "Fri, 25 Aug 2000 12:44:18 %2B0530." <39A61CCA.2DB82AFF@procsys.com> References: <39A61CCA.2DB82AFF@procsys.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In message <39A61CCA.2DB82AFF@procsys.com> Pran Joseph writes: : 1. How can I convert physical address to virtual address . What I want : is to read the physical address from the device register and to copy it : to host memory. From my earlier post I found that I can use vtopys : macro to convert virtual to physical address. Now I want to do the : reverse. : : 2. What are things should I do if I want the driver to work on alpha : platform also. Use the bus space macros. These will generally obviate the need to to the vtophys and ptovirt sorts of things. I don't think FreeBSD has a ptovirt these days. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200008251649.KAA17846>