On 1/27/22 16:16, Fabiano Rosas wrote:
Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> writes:
On 26/01/2022 16:41, Fabiano Rosas wrote:
This handles the exception code for the 74xx family, i.e. 7400, 7410,
7440, 7445, 7450, 7455, 7457.
This is another family that is quite well known, so it should be
straight-forward as well.
Based on legoater/ppc-7.0
Fabiano Rosas (8):
target/ppc: Introduce powerpc_excp_74xx
target/ppc: Simplify powerpc_excp_74xx
target/ppc: 74xx: Machine Check exception cleanup
target/ppc: 74xx: External interrupt cleanup
target/ppc: 74xx: Program exception cleanup
target/ppc: 74xx: System Call exception cleanup
target/ppc: 74xx: System Reset interrupt cleanup
target/ppc: 74xx: Set SRRs directly in exception code
target/ppc/excp_helper.c | 175 +++++++++++++++++++++++++++++++++++++++
1 file changed, 175 insertions(+)
I'm not overly familiar with PPC exception handling detail, so I can't offer
much in
the way of review I'm afraid. I could do a quick test and make sure nothing
breaks
with my MacOS images though?
Sure, no problem. This is more of an FYI and so you know whom to yell at
in case anything breaks for you.
yes ! Thanks,
I have some MacOS images I can use to test as well. I'll do a thorough
pass before sending the v2.
Also any thoughts on Christophe's question re: e300 PVRs at
https://lists.gnu.org/archive/html/qemu-ppc/2022-01/msg00592.html? I can handle
merging the OpenBIOS changes if someone can come up with a suitable fix.
Why not simply extend 'struct cpudef' with a flag/feature field ?
I believe Cédric has been looking at the 60x, maybe he has some
input.
yes. 604 is running fine under the 40p machine with OpenBIOS.
I have an old debian 3 disk image for it.
On the same machine, AIX 4x and 5x also run with this firmware :
http://github.com/artyom-tarasenko/openfirmware/releases/download/40p-20190413/q40pofw-serial.rom
and the g3beige supports 604.
Getting a status on 603 is more complex. We need support for the
6xx SoftTLBs in OpenBIOS to move forward. Christophe and I have
spent some time on this. Work in progress.
602 should be removed IMHO. It has no real value.
601 is a transitional processor. It think it should be good to
keep as a reference. I don't have a workload for it though.
We currently can only run the 604 if I'm not mistaken, so there's
some work to be done to bring all of the 60x back to life. The e300 will
be in the mix.
It should yes. I haven't looked at it yet.
Thanks,
C.
