riscv/riscv-isa-manual
Jan 2026 – Apr 2026
3 Months active
Languages Used
ASCIIDOCAsciidocYAMLMarkdownJSON
Technical Skills
RISC-V architectureYAMLcryptographydocumentationembedded systemsschema design
Umer Shahid
PROFILE
Umer Shahid
Contributed to the riscv/riscv-isa-manual repository by delivering three targeted feature updates over three months, focusing on RISC-V ISA normative rules and documentation enhancements. Worked extensively with YAML and Markdown to clarify virtual memory rules, extend support for new ISA extensions, and improve documentation consistency and maintainability. Collaborated on cross-extension normalization, specification writing, and standards compliance, ensuring accurate guidance for implementers and reducing integration risk. Enhanced the manual’s clarity by refining constrained LR/SC forward progress rules and updating normative tagging. Emphasized technical writing and schema design to streamline onboarding, validation, and downstream tooling for embedded systems and memory protection.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
18Total
Bugs
0
Commits
18
Features
3
Lines of code
6,522
Activity Months3
Your Network
31 peopleShared Repositories
25
Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary focused on delivering a targeted RISC-V ISA Manual enhancement to clarify constrained LR/SC forward progress rules, with accompanying normative tagging and YAML updates to improve clarity, conformance, and maintainability.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary focused on delivering a targeted RISC-V ISA Manual enhancement to clarify constrained LR/SC forward progress rules, with accompanying normative tagging and YAML updates to improve clarity, conformance, and maintainability.
April 2026
February 2026
8 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for riscv/riscv-isa-manual focused on delivering normative rule updates across ISA extensions (CFI, B-extension, Smrnmi, Smcntrpmf, Smepmp, zpm, sstc) and substantial documentation improvements. Completed cross‑extension normalization, issue resolutions, and doc cleanups to improve verification, standard compliance, and developer onboarding. Coordinated with docs-resources and the broader RISCV documentation community to ensure accurate, up-to-date guidance for implementers.
February 2026
8 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for riscv/riscv-isa-manual focused on delivering normative rule updates across ISA extensions (CFI, B-extension, Smrnmi, Smcntrpmf, Smepmp, zpm, sstc) and substantial documentation improvements. Completed cross‑extension normalization, issue resolutions, and doc cleanups to improve verification, standard compliance, and developer onboarding. Coordinated with docs-resources and the broader RISCV documentation community to ensure accurate, up-to-date guidance for implementers.
January 2026
9 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for riscv/riscv-isa-manual: Delivered comprehensive normative rules documentation updates spanning Sv39/Sv48/Sv57 virtual memory rules and multiple extensions (Zacas, Zabha, Zawrs, Sscofpmf), as well as normative rules for indirect CSR access, smstateen, smcdeleg, and scalar cryptography. Focused on consistency, accuracy, and maintainability to reduce integration risk and accelerate onboarding. The work was conducted across nine commits in collaboration with Andrew Waterman (co-authored-by), including: b9eda8149a8c0283dcd6bb886f4c25a8ccb5e77e, f601b5b057d26f585c748f5044c5dcf32e1ef497, cdb91537035be7845de55fecc4c257fa2b5bf2ab, 066507717b33095e392ed458f7c9245e38c05faf, 83df2db6d5d6c7b34370c50fadef40b38863b4e2, 4ff595d814bfd895a93e2105b4e255312c9bf4bd, 4463f557063750f36a3e6a451bf498113a58164e, d1cacb7d6c1957a53de91a382459c181a67e3cbd, f2dd81cfa187d57d5b24697038ea9ebe2adc7874.
9 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for riscv/riscv-isa-manual: Delivered comprehensive normative rules documentation updates spanning Sv39/Sv48/Sv57 virtual memory rules and multiple extensions (Zacas, Zabha, Zawrs, Sscofpmf), as well as normative rules for indirect CSR access, smstateen, smcdeleg, and scalar cryptography. Focused on consistency, accuracy, and maintainability to reduce integration risk and accelerate onboarding. The work was conducted across nine commits in collaboration with Andrew Waterman (co-authored-by), including: b9eda8149a8c0283dcd6bb886f4c25a8ccb5e77e, f601b5b057d26f585c748f5044c5dcf32e1ef497, cdb91537035be7845de55fecc4c257fa2b5bf2ab, 066507717b33095e392ed458f7c9245e38c05faf, 83df2db6d5d6c7b34370c50fadef40b38863b4e2, 4ff595d814bfd895a93e2105b4e255312c9bf4bd, 4463f557063750f36a3e6a451bf498113a58164e, d1cacb7d6c1957a53de91a382459c181a67e3cbd, f2dd81cfa187d57d5b24697038ea9ebe2adc7874.
January 2026
Activity
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Quality Metrics
Correctness99.0%
Maintainability97.8%
Architecture99.0%
Performance97.8%
AI Usage21.2%
Skills & Technologies
Programming Languages
ASCIIDOCAsciidocJSONMarkdownYAML
Technical Skills
RISC-V architectureYAMLcryptographydocumentationembedded systemsmemory protectionschema designspecification writingstandards compliancestandards developmentsystem architecturetechnical writingversion controlyaml configuration
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