Slides for 10 Oct meeting

meetings/2024-10-10-slides.md

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+---
+title: "Composable Custom Extensions TG Meeting"
+author: Darius Rad `<darius@bluespec.com>`$\newline$Jan Gray `<jan@fpga.org>`
+date: 10 October 2024
+output: beamer_presentation
+theme: "Warsaw"
+---
+
+## Disclosures
+
+<https://lf-riscv.atlassian.net/wiki/spaces/HOME/pages/16154892/Meeting+Disclosures>
+
+## Agenda
+
+- Upcoming meetings
+- Development plan
+- Request for volunteers
+- Requirements discussion
+
+## Upcoming meetings
+
+- RISC-V Summit, Santa Clara
+  - Monday, 21 October, 11 am - noon, Room 207 (in person only)
+- Regular meetings to continue
+  - 24 October
+  - 7 November
+  - …
+
+## Development plan
+
+- Organized as Work Breakdown Structure (WBS)
+- Hierarchy of work items
+- Tracks owner, time estimates, progress
+- Used to establish timeline for freeze, for ratification plan
+- If interested, review and share feedback on list
+
+## Request for volunteers
+
+- QEMU (simulator support)
+- binutils, gcc (ABI support)
+- RISC-V ACT
+- RISC-V SAIL
+- Unified Discovery
+- OpenSBI
+- Linux
+  - devicetree
+  - ACPI
+  - context switch
+  - user ABI (hwprobe, prctl, sysfs)
+- glibc
+- hardware
+  - ISA
+  - logic interface
+
+## Requirements discussion
+
+- Main open topics
+  - Extension state (one/many, hart state or not)
+  - Opcodes (all custom opcodes or subset, one/multiple ranges)
+  - Hotpluggable extensions
+  - Logic interface capabilities
+- Need to provide time estimate for ratification plan
+- Intend to defer decisions until later
+- Hope that starting development can inform discussion and decision
+- Lack of volunteers for tasks will end up in features being eliminated