tech-privileged@lists.riscv.org

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

+tech-privileged

By mark · #1095 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

| +tech-privileged | On Thu, Aug 11, 2022 at 6:48 AM Guy Lemieux <guy.lemieux@...> wrote: | On Wed, Aug 10, 2022 at 10:39 PM Derek Williams <striker@...> wrote: || You say below you state

By Krste Asanovic · #1097 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Hi Krste, Dumping the entire i-cache via FENCE.I is different. I am requesting invalidation of a single cache block from the i-cache. The Zifencei spec recognizes Zifencei is expensive to implement: I

By ... · #1098 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Thank you for this email Guy. It clarifies many things. From: Mark Himelstein <markhimelstein@...> Sent: Thursday, August 11, 2022 9:01 AM To: tech-cmo@... Group Moderators <tech-cmo

By striker@... · #1101 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Derek, let's try to move the discussion forward instead of just back and forth. If the J extension will solve this problem, please describe how? You've been very opaque -- is that because it hasn't be

By ... · #1102 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Guy -- Have you read Derek's slide deck that he prepared for the J group on this? I believe it contains the answers and solutions that you are looking for. -- John

By John Ingalls · #1104 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Hi Guy, thanks for the email thread. Very interesting. I am hoping to get a precise understanding of 1) Your high level need, and 2) The details of the semantics you are asking for. I do need to say u

By Sean Halle · #1105 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Folks -- This email thread is getting long and my inbox is getting full. I suggest that interested parties get the J group's proposal slide deck from Derek, and frame their questions and needs specifi

By John Ingalls · #1106 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

OK Guy, I agree, let's try to move this forward. For that to happen you're going to need to do a fair amount of reading. Smiles, I've been anything but opaque on this subject, please see the attached

By striker@... · #1107 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

Derek, what's the status of taking your slides and turning them into an architecture spec? Who is actually doing that? How many years has it been already? __________________________________ | www.emcl

By ... · #1109 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

I'm getting there Andy. We have picked this back up recently and had a few meetings on it. How many years has it been? Too bloody many, but this will end this year. That sort of thing happens when I h

By striker@... · #1111 ·

#github #risv #cmos

[RISC-V] [tech-cmo] [riscv-CMOs:master] reported: Can CMO extension support icache management? #github #risv #cmos

This is a now active effort again in the J group. Derek has led discussions on selected aspects in some of the recent meetings. Greg

By Greg Favor · #1110 ·

#github #risv #cmos

Cache Block Operations by Index #github #riscv #cmo

Cache maintenance operations roadmap suggests there are plans to add Cache Block Operations by Index. Has there been any decision if these will be added to the spec? If so, what will be the instructio

By ... · #1247 ·

#github #riscv #cmo

Cache Block Operations by Index #github #riscv #cmo

The CMO TG completed and ratified what was referred to as phase 1 work at the time. Per RVI procedures, that TG was wrapped up and any new and further CMO efforts are expected to be pursued via a new

By Greg Favor · #1248 ·

#github #riscv #cmo

Cache Block Operations by Index #github #riscv #cmo

Hi Krishna, I'm interested in that and any other unfinished work from the CMO TG, but did not have enough time available to try to lead/drive that effort (and still won't for at least the next few mon

By Phil McCoy · #1249 ·

#github #riscv #cmo