Date: Thu, 16 Jun 2005 19:40:16 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 78645 for review Message-ID: <200506161940.j5GJeG16045731@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=78645 Change 78645 by jhb@jhb_slimer on 2005/06/16 19:40:11 Revert this hack as it didn't fix the PnP BIOS problem. Affected files ... .. //depot/projects/smpng/sys/i386/i386/locore.s#26 edit Differences ... ==== //depot/projects/smpng/sys/i386/i386/locore.s#26 (text+ko) ==== @@ -783,24 +783,9 @@ movl $1,%ecx fillkptphys(%edx) -#define BIOS_START 0xc0000 -#define BIOS_END 0xfffff - -/* Map read-only from page 1 to the beginning of BIOS */ +/* Map read-only from page 1 to the beginning of the kernel text section */ movl $PAGE_SIZE, %eax xorl %edx,%edx - movl $(BIOS_START - PAGE_SIZE)/PAGE_SIZE,%ecx - fillkptphys(%edx) - -/* Map the BIOS read-write for BIOS calls that want to write to it */ - movl $BIOS_START, %eax - movl $PG_RW,%edx - movl $(BIOS_END + 1 - BIOS_START)/PAGE_SIZE,%ecx - fillkptphys(%edx) - -/* Map read-only from the BIOS to the beginning of the kernel text section */ - movl $BIOS_END + 1, %eax - xorl %edx,%edx movl $R(btext),%ecx addl $PAGE_MASK,%ecx subl %eax,%ecx
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