Date: Mon, 07 Jun 2010 00:19:32 +0200 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= <phcoder@gmail.com> To: soc-students@freebsd.org, freebsd-mips@freebsd.org Subject: Weekly report on Yeeloong progress Message-ID: <4C0C1EF4.9070609@gmail.com>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig3F402118708BE6723D2877D9 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hello, as my duty I report the current progress. Serial console is working Debugger including backtrace is apparently working Now it's based on octeon branch which has greatly improved 64-bit suppor= t. I'm striken by floating bugs of which I don't know the cause yet. What I tried (very incomplete list): - Disabling DMA on I/O controller by writing 0 into hit registers - Checking TLB format. TLB format on loongson is slightly different than on mips FreeBSD works on but it shouldn't have been a problem. After fixing TLB entries nothing changed - Filling cache info completely in appropriate structures When debugging it's almost always is a TLB miss. Either when accessing an address which is supposed to be ok or a wrong pointer. I'm investigati= ng. --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------enig3F402118708BE6723D2877D9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iF4EAREKAAYFAkwMHvQACgkQNak7dOguQgnd+gEArj2nssElrEJOZ8rA6tJz3+Kf kcKGsXMTyZ+lbNlyCSwA/3zA4B4OeuZf7NGkOdrN8vn5SECjzlHccouI5Z66BL3a =gKat -----END PGP SIGNATURE----- --------------enig3F402118708BE6723D2877D9--
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