From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 6 May 1999 11:52:51 +1000 Message-Id: <199905060152.LAA00535@tango.anu.edu.au> From: Paul Mackerras To: somer@nortelnetworks.com CC: linuxppc-dev@lists.linuxppc.org In-reply-to: <03E3E0690542D211A1490000F80836F4877E30@zcard00f.ca.nortel.com> (somer@nortelnetworks.com) Subject: Re: Strange mapping at 0xffc00000 Reply-to: Paul.Mackerras@cs.anu.edu.au References: <03E3E0690542D211A1490000F80836F4877E30@zcard00f.ca.nortel.com> Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: > I have started using the 2.2.5 kernel from 2.1.24 previously, and have found > a > new 4 Meg mapping up at 0xffc00000 that was not there before. This mapping > is > setup in arch/ppc/kernel/pmac_setup.c, in routine pmac_setup_arch with the > following line: > > __ioremap(0xffc00000, 0x400000, pgprot_val(PAGE_READONLY)); This is the Mac ROM. I put that in when I was doing some experiments to do with emulating the Mac hardware and running macos in user mode. Paul. [[ This message was sent via the linuxppc-dev mailing list. Replies are ]] [[ not forced back to the list, so be sure to Cc linuxppc-dev if your ]] [[ reply is of general interest. Please check http://lists.linuxppc.org/ ]] [[ and http://www.linuxppc.org/ for useful information before posting. ]]