Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 24 Apr 2019 00:35:21 +0000
From:      bugzilla-noreply@freebsd.org
To:        java@FreeBSD.org
Subject:   [Bug 237208] java/openjdk11: port to powerpc64
Message-ID:  <bug-237208-8522-1gCvS07uvo@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-237208-8522@https.bugs.freebsd.org/bugzilla/>
References:  <bug-237208-8522@https.bugs.freebsd.org/bugzilla/>

next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237208

Brandon Bergren <freebsd@bdragon.rtk0.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |freebsd@bdragon.rtk0.net

--- Comment #13 from Brandon Bergren <freebsd@bdragon.rtk0.net> ---
Found it.

The FSCR is slightly divergent between the BSP and the APs on the Talos II.

```
root@fledgling-bmc:~# pdbg -a getspr 153
Couldn't open debugfs
Couldn't open debugfs
p0:c23:t3:spr153: 0x0000000000000184
p0:c23:t2:spr153: 0x0000000000000184
p0:c23:t1:spr153: 0x0000000000000184
p0:c23:t0:spr153: 0x0000000000000184
p0:c22:t3:spr153: 0x0000000000000184
p0:c22:t2:spr153: 0x0000000000000184
p0:c22:t1:spr153: 0x0000000000000184
p0:c22:t0:spr153: 0x0000000000000184
p0:c19:t3:spr153: 0x0000000000000184
p0:c19:t2:spr153: 0x0000000000000184
p0:c19:t1:spr153: 0x0000000000000184
p0:c19:t0:spr153: 0x0000000000000184
p0:c18:t3:spr153: 0x0000000000000184
p0:c18:t2:spr153: 0x0000000000000184
p0:c18:t1:spr153: 0x0000000000000184
p0:c18:t0:spr153: 0x0000000000000184
p0:c17:t3:spr153: 0x0000000000000184
p0:c17:t2:spr153: 0x0000000000000184
p0:c17:t1:spr153: 0x0000000000000184
p0:c17:t0:spr153: 0x0000000000000184
p0:c16:t3:spr153: 0x0000000000000184
p0:c16:t2:spr153: 0x0000000000000184
p0:c16:t1:spr153: 0x0000000000000184
p0:c16:t0:spr153: 0x0000000000000184
p0:c13:t3:spr153: 0x0000000000000184
p0:c13:t2:spr153: 0x0000000000000184
p0:c13:t1:spr153: 0x0000000000000184
p0:c13:t0:spr153: 0x0000000000000184
p0:c12:t3:spr153: 0x0000000000000184
p0:c12:t2:spr153: 0x0000000000000184
p0:c12:t1:spr153: 0x0000000000000184
p0:c12:t0:spr153: 0x0000000000000184
p0:c11:t3:spr153: 0x0000000000000184
p0:c11:t2:spr153: 0x0000000000000184
p0:c11:t1:spr153: 0x0000000000000184
p0:c11:t0:spr153: 0x0000000000000184
p0:c10:t3:spr153: 0x0000000000000184
p0:c10:t2:spr153: 0x0000000000000184
p0:c10:t1:spr153: 0x0000000000000184
p0:c10:t0:spr153: 0x0000000000000184
p0:c9:t3:spr153: 0x0000000000000184
p0:c9:t2:spr153: 0x0000000000000184
p0:c9:t1:spr153: 0x0000000000000184
p0:c9:t0:spr153: 0x0000000000000184
p0:c8:t3:spr153: 0x0000000000000184
p0:c8:t2:spr153: 0x0000000000000184
p0:c8:t1:spr153: 0x0000000000000184
p0:c8:t0:spr153: 0x0000000000000184
p0:c7:t3:spr153: 0x0000000000000184
p0:c7:t2:spr153: 0x0000000000000184
p0:c7:t1:spr153: 0x0000000000000184
p0:c7:t0:spr153: 0x0000000000000184
p0:c5:t3:spr153: 0x0000000000000184
p0:c5:t2:spr153: 0x0000000000000184
p0:c5:t1:spr153: 0x0000000000000184
p0:c5:t0:spr153: 0x0000000000000184
p0:c4:t3:spr153: 0x0000000000000184
p0:c4:t2:spr153: 0x0000000000000184
p0:c4:t1:spr153: 0x0000000000000184
p0:c4:t0:spr153: 0x0000000000000184
p0:c2:t3:spr153: 0x0000000000000184
p0:c2:t2:spr153: 0x0000000000000184
p0:c2:t1:spr153: 0x0000000000000184
p0:c2:t0:spr153: 0x0000000000000184
p0:c1:t3:spr153: 0x0000000000000184
p0:c1:t2:spr153: 0x0000000000000184
p0:c1:t1:spr153: 0x0000000000000184
p0:c1:t0:spr153: 0x0000000000000184
p0:c0:t3:spr153: 0x0000000000000184
p0:c0:t2:spr153: 0x0000000000000184
p0:c0:t1:spr153: 0x0000000000000184
p0:c0:t0:spr153: 0x0000000000000180
```

So, if a process is created on anything but cpu0 it will detect the DSCR as
being available. If it later migrates to cpu0, it will cause a facility
unavailable trap if it tries to mess with the DSCR, and the kernel handles =
this
by SIGILL.

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-237208-8522-1gCvS07uvo>