Public recordAt risk
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-25 17:42 UTC
riscv-software-src / riscv-pk
RISC-V Proxy Kernel
riscv-software-src/riscv-pk holds a health index of 39 out of 100, placing it in the At risk band. It scores highest on Sustainability & Governance (63/100) and lowest on Vitality (18/100). It was last updated 296 days ago. 2 contributors account for most of its recent work.
39
overall / 100Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.
39
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
Score profile
Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.
Ownership
RISC-V SoftwareOrganization
1,098 followers24 public repossince Aug 2021
This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.
Metrics by category
Vitality
Is the project alive — is code being written and are releases shipping?
18
Development activity
9Critical
How it's scored
| 3.6/36 | Push recency — last push 296 days ago |
| 1.4/36 | Commit cadence — 2/52 weeks with commits |
| 4.3/18 | Commit volume — 2 commits in the last year |
| 0/10 | OpenSSF Scorecard: Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
Inputs used
| commits_last_year | 2 |
| human_commit_share | 1 |
| days_since_last_push | 296 |
| active_weeks_last_year | 2 |
Release discipline
32At risk
How it's scored
| 16.2/27 | Ships releases — 1 version tags (no GitHub releases) |
| 0/36 | Release recency — latest release 2,536 days ago |
| 12.6/27 | Release cadence — cadence unknown (single release) |
| 0/10 | OpenSSF Scorecard: Signed-Releases — no data |
Inputs used
| releases_count | 1 |
| latest_release_tag | v1.0.0 |
| releases_from_tags | yes |
| days_since_latest_release | 2,536 |
| mean_days_between_releases | — |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.
Community & Adoption
Does the project have users, downloads, attention, and a welcoming setup for contributors?
62
Popularity & adoption
77Good
How it's scored
| 46.2/60 | Stars — 706 stars |
| 21.1/25 | Forks — 339 forks |
| 9.7/15 | Watchers — 57 watchers |
Inputs used
| forks | 339 |
| stars | 706 |
| watchers | 57 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Community health
44At risk
How it's scored
| 22.5/22.5 | README |
| 16.9/22.5 | License — license file present, not a recognized license |
| 0/18 | CONTRIBUTING guide |
| 0/13.5 | Code of conduct |
| 0/7.2 | Issue template |
| 0/6.3 | PR template |
Inputs used
| has_readme | yes |
| has_license | yes |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
Sustainability & Governance
Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?
63
Maintainer resilience (bus factor)
61Moderate
How it's scored
| 25.2/54 | Bus factor — 2 contributor(s) cover half of all commits |
| 12.7/22.5 | Commit distribution — top contributor authored 44% of commits |
| 13.5/13.5 | Contributor breadth — 61 contributors |
| 10/10 | OpenSSF Scorecard: Contributors — project has 16 contributing companies or organizations |
Inputs used
| bus_factor | 2 |
| contributors_sampled | 61 |
| top_contributor_share | 0.436 |
Issue & PR responsiveness
56Moderate
How it's scored
| 24.9/46.8 | Issue resolution — 53% of issues closed |
| 27.7/38.3 | PR acceptance — 116/160 decided PRs merged |
| 3/15 | OpenSSF Scorecard: Code-Review — Found 7/30 approved changesets -- score normalized to 2 |
Inputs used
| merged_prs | 116 |
| open_issues | 86 |
| closed_issues | 98 |
| issue_closed_ratio | 0.533 |
| closed_unmerged_prs | 44 |
Ownership & stewardship
72Good
How it's scored
| 30/30 | Ownership backing — organization-owned |
| 0/20 | Verified domain |
| 21.9/25 | Owner reach — 1,098 followers of riscv-software-src |
| 20/25 | Track record — 24 public repos, account ~4 yr old |
Inputs used
| followers | 1,098 |
| owner_type | Organization |
| is_verified | — |
| owner_login | riscv-software-src |
| public_repos | 24 |
| account_age_days | 1,795 |
Engineering Quality
Are baseline engineering and documentation practices in place?
21
Engineering practices
1Critical
How it's scored
| 0/24 | CI workflows |
| 0/24 | Tests present |
| 0/16 | Linter config |
| 0/9.6 | Pre-commit hooks |
| 0/6.4 | .editorconfig |
| 0/20 | OpenSSF Scorecard: CI-Tests — 0 out of 7 merged PRs checked by a CI test -- score normalized to 0 |
Inputs used
| has_ci | no |
| has_tests | no |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentation
50Moderate
How it's scored
| 30/30 | README |
| 0/25 | Documentation directory |
| 0/15 | Documentation / homepage site |
| 10/10 | Repository description |
| 0/10 | Topics |
| 10/10 | Wiki |
Inputs used
| topics | — |
| has_wiki | yes |
| homepage | — |
| has_readme | yes |
| has_docs_dir | no |
| has_description | yes |
Security
Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?
30
Security posture
30At risk
How it's scored
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — branch protection not enabled on development/release branches |
| 0/2.5 | CI-Tests — 0 out of 7 merged PRs checked by a CI test -- score normalized to 0 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 1.5/7.5 | Code-Review — Found 7/30 approved changesets -- score normalized to 2 |
| 2.5/2.5 | Contributors — project has 16 contributing companies or organizations |
| 0/10 | Dangerous-Workflow — no data |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.2/2.5 | License — license file detected |
| 0/7.5 | Maintained — 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| 0/5 | Packaging — no data |
| 0/5 | Pinned-Dependencies — no data |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — no data |
| 0/7.5 | Token-Permissions — no data |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Inputs used
| source | openssf_scorecard |
| checks_evaluated | 13 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 5 |
| scorecard_aggregate | 3 |
Excluded from scoring (no data or not applicable): dangerous_workflow, packaging, pinned_dependencies, signed_releases, token_permissions. Remaining weights renormalized.
AI Readiness
How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.
33
Agent context & guidance
28Critical
How it's scored
| 0/45 | Agent instructions — no CLAUDE.md / AGENTS.md / editor rules |
| 0/15 | Machine-readable docs (llms.txt) |
| 28.3/40 | Legible commit history — 53 of 100 human commits state their intent (structured subject or explanatory body) |
Inputs used
| has_llms_txt | no |
| legible_history_share | 0.53 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Verify loop (build / test / typecheck)
12Critical
How it's scored
| 0/18 | One-command bootstrap |
| 0/22 | Automated tests |
| 0/11 | Lint / format config |
| 11/11 | Static type checking — C (statically typed) |
| 0/10 | Reproducible environment |
| 0/10 | Demonstrated agent practice — no agent-authored commits among the last 100 |
| 0/8 | Automated maintenance — no automated dependency updates observed |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — no data |
Inputs used
| has_nix | no |
| has_tests | no |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | yes |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.
Code legibility for models
100Excellent
How it's scored
| 45/45 | Type-checkable code — C (statically typed) |
| 54.9/55 | Manageable file sizes — 1/399 source files over 60KB |
Inputs used
| primary_language | C |
| largest_source_bytes | 161,509 |
| source_files_sampled | 399 |
| oversized_source_files | 1 |
Key facts
706GitHub stars
61contributors
2commits, last 12 months
296days since last push
1releases
2bus factor
86open issues
—package ecosystems
Data collection warnings
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 339 ⇿
0Stars
339Forks
1Releases
When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.
Major 1Minor 0Patch 0
Each point covers 12 days.
OpenSSF Scorecard 3.0 / 10
3.0aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| 0 | Branch-Protection | branch protection not enabled on development/release branches |
| 0 | CI-Tests | 0 out of 7 merged PRs checked by a CI test -- score normalized to 0 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 2 | Code-Review | Found 7/30 approved changesets -- score normalized to 2 |
| 10 | Contributors | project has 16 contributing companies or organizations |
| n/a | Dangerous-Workflow | no workflows found |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 9 | License | license file detected |
| 0 | Maintained | 0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0 |
| n/a | Packaging | packaging workflow not detected |
| n/a | Pinned-Dependencies | no dependencies found |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| n/a | Signed-Releases | no releases found |
| n/a | Token-Permissions | No tokens found |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
All dependencies 0
Full resolved dependency set from the GitHub dependency graph: 0 direct and 0 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
| Registry | Package | Version | Relation |
|---|
Dependency advisories not assessed
Advisory matching could not run for this report: No resolved dependencies to assess
Raw JSON report machine-readable
{
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"headline": "Fixes #330 Set mstatus before querying uart (#343)",
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"headline": "README.md: add _zicsr_zifencei on configure option for rv32i (#334)",
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"headline": "Use kassert in load_elf (#327)",
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"headline": "support emulation of misaligned vector loads/stores",
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{
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"body": "See: https://www.kernel.org/doc/html/latest/arch/riscv/hwprobe.html",
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"headline": "Implementation of riscv_hwprobe syscall from Linux (#325)",
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},
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"headline": "mprotect whole ELF segment, not just file portion",
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},
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"oid": "dd86101e7148e95f60eeb58a498b0ab6be8829dd",
"body": null,
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"headline": "Don't mmap ELF segments with zero filesz",
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"body_truncated": false,
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},
{
"oid": "395f318f5ea0cc450020a3b413c585a452ba8398",
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"headline": "Add ELF header sanity check",
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},
{
"oid": "9388057c145d57b65f38a79ee5b860479feea90d",
"body": "* Implement syscall readlinkat\r\n\r\n* Implement syscall readv by read syscalls\r\n\r\nSince pk lacks kernel-space dynamic memory management, we implement readv with\r\nnormal read syscalls rather than forwarding it to spike",
"is_bot": false,
"headline": "Implement syscall readlinkat and readv (#318)",
"author_name": "mylai-mtk",
"author_login": "mylai-mtk",
"committed_at": "2024-05-21T01:37:48Z",
"body_truncated": false,
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},
{
"oid": "ec17aa2453edf3f234419854ed5818c23ba87cbd",
"body": "It was originally added as a temporary hack to hide a race condition in\r\na prototype. It should've been removed long ago.\r\n\r\nResolves #312",
"is_bot": false,
"headline": "Remove \"bbl loader\" message (#313)",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2024-05-21T01:37:48Z",
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"headline": "Fix emulation of misaligned c.swsp/c.sdsp with rd=x0",
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"body": "See: https://www.kernel.org/doc/html/latest/arch/riscv/hwprobe.html",
"is_bot": false,
"headline": "Implementation of riscv_hwprobe syscall from Linux (#325)",
"author_name": "Wojciech Muła",
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"headline": "mprotect whole ELF segment, not just file portion",
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"headline": "Don't mmap ELF segments with zero filesz",
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"body": null,
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"headline": "Add ELF header sanity check",
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"oid": "9637e60b96b21a7f85a85bf033b87f64fb823b6c",
"body": "* Implement syscall readlinkat\r\n\r\n* Implement syscall readv by read syscalls\r\n\r\nSince pk lacks kernel-space dynamic memory management, we implement readv with\r\nnormal read syscalls rather than forwarding it to spike",
"is_bot": false,
"headline": "Implement syscall readlinkat and readv (#318)",
"author_name": "mylai-mtk",
"author_login": "mylai-mtk",
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"headline": "Zicfilp: Handle software check exception -- landing pad fault",
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"headline": "Add index comments to machine trap table to enhance code readability",
"author_name": "Ming-Yi Lai",
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"headline": "Zicfilp: Support enabling userspace Zicfilp mechanism",
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"body": null,
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"headline": "Zicfilp: Regenerate machine/encoding.h",
"author_name": "Ming-Yi Lai",
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"body": "It was originally added as a temporary hack to hide a race condition in\r\na prototype. It should've been removed long ago.\r\n\r\nResolves #312",
"is_bot": false,
"headline": "Remove \"bbl loader\" message (#313)",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body": null,
"is_bot": false,
"headline": "add support for \"riscv-none-*\" host name (#309)",
"author_name": "valentinThomazic",
"author_login": "valentinThomazic",
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"oid": "acbe166dac9d1db752ee95f61e65ca82bb875afb",
"body": "This reverts commit 54de960a5e4c91734fcfd454fdc7e593c6ac571d.\n\nSee #298 for explanation.",
"is_bot": false,
"headline": "Revert \"[GCC]: Fix fence.i bug (#296)\"",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body_truncated": false,
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{
"oid": "54de960a5e4c91734fcfd454fdc7e593c6ac571d",
"body": "There are many issues: 260, 285, 287 has to be solved\r\n\r\nThis workaround helps to add neccessary zicsr and\r\nzifencei for cssr and fence.i accordingly.",
"is_bot": false,
"headline": "[GCC]: Fix fence.i bug (#296)",
"author_name": "Mark Goncharov",
"author_login": "mag-mga",
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},
{
"oid": "8ce2dc424eab98b907b3117b7515190c62f63c7f",
"body": "Linux kernel simply return current brk when request brk addr is not\r\nfeasible. The pk should probably do the same.",
"is_bot": false,
"headline": "pk: fix __do_brk when new addr is not feasible (#295)",
"author_name": "xukl",
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"oid": "3ed18cfbc707c75af83941e8fdf7f68f5a3b4803",
"body": "…d config (#98)\"\"\n\nThis reverts commit 7ae86fb97b792586493255f935f2f12ff068b13f.\n\nThis will continue to allow accesses to cycle/time via mcycle/mtime\ndespite https://github.com/riscv-software-src/riscv-isa-sim/pull/1297.\nThe hope is this will keep most people happy while doing the right thing\nwith Spike.",
"is_bot": false,
"headline": "Revert \"Revert \"SBI emulation of reads and writes to perf counters an…",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body_truncated": false,
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},
{
"oid": "573c858d9071a2216537f71de651a814f76ee76d",
"body": "Regenerated the configure file using autoconf 2.71 to avoid the Syntax\r\nerror problem when running on OSX/AArch64.",
"is_bot": false,
"headline": "Regenerated the configure file with autoconf 2.71 (#288)",
"author_name": "Kenneth Ostby",
"author_login": "langly",
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{
"oid": "7e9b671c0415dfd7b562ac934feb9380075d4aa2",
"body": "Fixes #282",
"is_bot": false,
"headline": "Specify text section in rest_of_boot_loader definition",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-08-05T21:36:07Z",
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{
"oid": "2efabd3e6604b8a9e8f70baf52f57696680c7855",
"body": null,
"is_bot": false,
"headline": "Fix a file leak in function `at_kfd` (#276)",
"author_name": "MaxXing",
"author_login": "MaxXSoft",
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"oid": "c7e75bf944957e58f16531eb6b8d118a92069346",
"body": null,
"is_bot": false,
"headline": "Link -lgcc if it exists",
"author_name": "Lucheng Zhang",
"author_login": null,
"committed_at": "2022-04-20T20:54:25Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "ca69d69a304d5668a8c95d1de5c6c6fa71ed9936",
"body": "We previously kernel-panicked because that made it more obvious when a\nsyscall implementation was missing. These days, it's more common that\nthe C library will do something sensible in response to returning -ENOSYS.\nFavor that approach to avoid frustrating users.",
"is_bot": false,
"headline": "Handle unimplemented syscalls gracefully",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-04-11T08:30:19Z",
"body_truncated": false,
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},
{
"oid": "d6008c14176bd663e7def6b89679b160af4815c2",
"body": null,
"is_bot": false,
"headline": "Stub out sysinfo syscall",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-04-08T23:55:16Z",
"body_truncated": false,
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},
{
"oid": "0d3339c73e8401a6dcfee2f0b97f6f52c81181c6",
"body": "The UART drivers all return -1 if no character is present, and so that's\nwhat we should do if there's no UART at all.\n\nSee discussion on https://github.com/riscv-non-isa/riscv-sbi-doc/issues/82",
"is_bot": false,
"headline": "Fix sbi_console_getchar return value if no UART is present",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-02-17T23:34:27Z",
"body_truncated": false,
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},
{
"oid": "bc6e624fe1167b088af5694bb74eb68d61dde8ba",
"body": "See https://gcc.gnu.org/onlinedocs/gcc/Local-Register-Variables.html#Local-Register-Variables\r\n\"Other than when invoking the Extended asm, the contents of the\r\nspecified register are not guaranteed.\"\r\n\r\nAlso revert 90191ad93eac47d61ab9cc89084050ad1541d160.",
"is_bot": false,
"headline": "Fix local variable register usage for ra (#268)",
"author_name": "Fangrui Song",
"author_login": "MaskRay",
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"oid": "90191ad93eac47d61ab9cc89084050ad1541d160",
"body": null,
"is_bot": false,
"headline": "Eliminate Wuninitialized for Clang/LLVM (#266)",
"author_name": "Zenithal",
"author_login": "ZenithalHourlyRate",
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"body": null,
"is_bot": false,
"headline": "Eliminate Wunknown-pragmas for Clang/LLVM (#265)",
"author_name": "Zenithal",
"author_login": "ZenithalHourlyRate",
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"oid": "fb77b0c20020773a36b7fe2660cf02a89fedbeb9",
"body": null,
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"headline": "Merge branch 'compnerd-virtualize'",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-01-28T20:00:50Z",
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},
{
"oid": "1d6f1bd0126596a17f97581346d8cea78cb3b5e9",
"body": "The memory manager maintains the first free page as the page after the\n`_end` synthetic emitted by the linker. This value is stored in a\ntranslation unit local variable. This value is only ever written to\nfrom `init_early_alloc` which is static and only ever invoked from\n`pk_vm_init`. Furthermore\n[…]\n the compiler resulting in\na mis-compilation resulting in the eventual invalid memory access during\nthe `memset` that follows the allocation.\n\nThanks to @nzmichaelh for the help in tracking this down!",
"is_bot": false,
"headline": "pk: thwart an attempt from the compiler to optimize",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
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"body_truncated": true,
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{
"oid": "387e54a5804653c4c4a22d958f05b4f91277a552",
"body": "Eliminate excess reference count when associating fd with file.\n\nFixes #258",
"is_bot": false,
"headline": "fix file leak",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2022-01-10T02:58:03Z",
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{
"oid": "4ae5a8876fc2c31776b1777405ab14f764cc0f36",
"body": "…ion) (#256)",
"is_bot": false,
"headline": "Reduce tightness of mideleg register assertion (required for H-extens…",
"author_name": "Andreas Kuster",
"author_login": "andreaskuster",
"committed_at": "2021-11-22T22:38:07Z",
"body_truncated": false,
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{
"oid": "b7ee9734776123c34a8c0d37fa981169521614ad",
"body": "h/t @jrtc27",
"is_bot": false,
"headline": "Fix fcsr save slot address calculation",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-09-20T22:13:12Z",
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{
"oid": "7ae86fb97b792586493255f935f2f12ff068b13f",
"body": "… (#98)\"\n\nThis reverts commit fd2ddce557a9085ccdba1a455eded4808e7466c6.\n\nThe SBI took a different approach (explicit SBI call) to support writing\nthe counters, rather than using traps.",
"is_bot": false,
"headline": "Revert \"SBI emulation of reads and writes to perf counters and config…",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-09-15T08:35:25Z",
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},
{
"oid": "2f3e6f530384b4ab9f8b39bceb8e86f2ba51a835",
"body": "`SYS_getcwd` is different from `getcwd` in that the return value is < 0\r\non failure otherwise it is the length of the string. The proxy kernel\r\nwas treating 0 as success and all other values as error. As a result,\r\nwe would never return a valid value for `getcwd`.\r\n\r\nThe following program now exec\n[…]\nts.h>\r\n\r\n int main(int argc, char **argv) {\r\n unsigned char buffer[PATH_MAX + 1] = {0};\r\n if (getcwd(buffer, PATH_MAX))\r\n printf(\"cwd: %s\\n\", buffer);\r\n return EXIT_SUCCESS;\r\n }\r\n ```",
"is_bot": false,
"headline": "pk: correct the handling of SYS_getcwd (#250)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
"committed_at": "2021-08-28T05:58:01Z",
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{
"oid": "8e29c382bac5412dabc55933e4078ee309df5b8e",
"body": "Resolves #249",
"is_bot": false,
"headline": "Fix build break from recent merge conflict",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-08-12T10:42:53Z",
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{
"oid": "dac6ac2a87367583bf92cf24d0aabde6c215ccb1",
"body": "Also use pointer arithmetic on char * instead of void *.",
"is_bot": false,
"headline": "Use __builtin_frame_address() instead of \"sp\" directly.",
"author_name": "John Baldwin",
"author_login": "bsdjhb",
"committed_at": "2021-08-04T23:41:26Z",
"body_truncated": false,
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{
"oid": "423801e35d048187d88fcbff55e20c4c34d27bee",
"body": "…#245)\"\n\nThis reverts commit 5450c2f731f16abe3a4f244c383c55f559c97359.",
"is_bot": false,
"headline": "Revert \"machine: fix a case of undefined behaviour with SP handling (…",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body_truncated": false,
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{
"oid": "50b6b6cc28f7a7252bbd3841222d37737ce28451",
"body": "This reverts commit 717702ceec053afd424a41ef6a4078d3cbd755b8.",
"is_bot": false,
"headline": "Revert \"Revert \"Use a global 'tp' register.\"\"",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-08-04T23:40:23Z",
"body_truncated": false,
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{
"oid": "18084da90157ddc7aa4448e5f216cf6a486a64c8",
"body": "This reverts commit 17bec41e9bd44c43901938b784680661b9b28a76.",
"is_bot": false,
"headline": "Revert \"Use __builtin_frame_address() instead of \"sp\" directly.\"",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-08-04T23:40:14Z",
"body_truncated": false,
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},
{
"oid": "17bec41e9bd44c43901938b784680661b9b28a76",
"body": "Also use pointer arithmetic on char * instead of void *.",
"is_bot": false,
"headline": "Use __builtin_frame_address() instead of \"sp\" directly.",
"author_name": "John Baldwin",
"author_login": "bsdjhb",
"committed_at": "2021-08-04T23:07:29Z",
"body_truncated": false,
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{
"oid": "717702ceec053afd424a41ef6a4078d3cbd755b8",
"body": "This reverts commit 0d1fdc2e24b7b6247a55d24c13ae85dca7f45695.",
"is_bot": false,
"headline": "Revert \"Use a global 'tp' register.\"",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-08-04T23:06:11Z",
"body_truncated": false,
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{
"oid": "450b61e4f7d9b926a747883dbc0def3169352045",
"body": "clang only supports register variables if they are declared globally.",
"is_bot": false,
"headline": "Use a global 'tp' register.",
"author_name": "John Baldwin",
"author_login": "bsdjhb",
"committed_at": "2021-08-04T23:03:19Z",
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{
"oid": "01c83839fd19b6ab68ae731f6ee9ceae33f581ba",
"body": "This reverts commit e8d15a489fa76612707ff9e99feb0fb36acc9f14.",
"is_bot": false,
"headline": "Revert \"machine: correct some additional cases of UB (#246)\"",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-08-04T23:03:08Z",
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{
"oid": "ae7348b246bc091f5af844a7bdaf1044cac90635",
"body": null,
"is_bot": false,
"headline": "Set desired endianness at boot time (#247)",
"author_name": "Marcus Comstedt",
"author_login": "zeldin",
"committed_at": "2021-06-16T20:49:50Z",
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{
"oid": "e8e6b3aaee44d43b48164fbd377864c3a682dbd3",
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"is_bot": false,
"headline": "Add __early_pgalloc_align; refactor __early_alloc to use it",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-05-18T07:57:48Z",
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{
"oid": "c72467e151ac258ba1b8ed24ad8abea7151ffebf",
"body": null,
"is_bot": false,
"headline": "Fix range check",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body": "Resolves #216",
"is_bot": false,
"headline": "pk: make breakpoints fatal",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
"committed_at": "2021-05-07T23:13:56Z",
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"body": "Use of asm aliased register variables in local scope can only be used\r\nfor extended assembly parameters. This changes the few instances of\r\nthis in the floating point emulation to use the GNU extended assembly\r\nsyntax to access the `tp` register. This ensures that we do not rely on\r\nundefined behaviour. This was uncovered when building the Proxy kernel\r\nwith clang and LLVM.",
"is_bot": false,
"headline": "machine: correct some additional cases of UB (#246)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
"committed_at": "2021-05-07T23:11:18Z",
"body_truncated": false,
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"oid": "5450c2f731f16abe3a4f244c383c55f559c97359",
"body": "The use of `asm` for register aliasing is supported in two different\r\ncontexts:\r\n- local variables (including GNU expression statements) where it may\r\n only be used for specifying registers for input and output operands to\r\n extended `asm` syntax.\r\n\r\n c.f. https://gcc.gnu.org/onlinedocs/gcc/Local\n[…]\nM and link with LLD. The generated kernel also\r\nruns under SPIKE and behaves as expected in a simple smoke test (without\r\nany executable prints the expected message, and runs a trivial RVV\r\nexample).",
"is_bot": false,
"headline": "machine: fix a case of undefined behaviour with SP handling (#245)",
"author_name": "Saleem Abdulrasool",
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"body": "This is an equivalent rewrite of the existing code. When building with\r\ngas, the `bltu` would implicitly get relaxed to the `bgeu` + `j`. This\r\nrelaxation is required as the `init_other_hart` is not guaranteed to be\r\naddressable in 12-bits. When building with the LLVM IAS instead of gas\r\nwe fail to link as the branch is not relaxed. This change enables LLVM\r\nto build and link this code with the LLVM IAS and lld.",
"is_bot": false,
"headline": "machine: manually perform assembler relaxation (#244)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
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"body": "The LLVM IAS currently does not support the older spelling for the CSR.\r\nUpdate the references to the modern name.",
"is_bot": false,
"headline": "replace `spbtr` with `satp` (#241)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
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"body": "The LLVM IAS does not support the older name for the `mtval` CSR. This\r\nupdates the name to the current spelling, which is required to build\r\nwith the LLVM IAS. This remains compatible with binutils as well.",
"is_bot": false,
"headline": "machine: replace `mbadaddr` with `mtval` (#242)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
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"body": "This replaces use of the old `sbadaddr` CSR name with the current\r\n`stval` name. The old spelling is not supported by the LLVM IAS,\r\nhowever, the modern spelling is supported by both LLVM and binutils.",
"is_bot": false,
"headline": "replace `sbadaddr` with `stval` (#243)",
"author_name": "Saleem Abdulrasool",
"author_login": "compnerd",
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"body": "Using recent compilers we get the following error message:\r\n\r\n ../pk/pk.c: In function 'run_loaded_program.constprop':\r\n ../pk/pk.c:177:3: error: both arguments to '__builtin___clear_cache'\r\n must be pointers\r\n 177 | __clear_cache(0, 0);\r\n | ^~~~~~~~~~~~~~~~~~~\r\n\r\nLet's use the exis\n[…]\nheader with a prototype and use it to\r\nemits the FENCE.I instruction directly.\r\n\r\nSee #239\r\n\r\nSuggested-by: Andrew Waterman <andrew@sifive.com>\r\nSigned-off-by: Christoph Muellner <cmuellner@linux.com>",
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"headline": "pk: Fix __clear_cache() compilation issue with recent compilers (#240)",
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"body": "The upstream LiteX project defaults to \"litex,liteuart\" as the value\r\nfor the \"compatible\" property of the UART DT node, so let's add it to\r\nthe current list of accepted strings.\r\n\r\nSigned-off-by: Gabriel Somlo <gsomlo@gmail.com>",
"is_bot": false,
"headline": "LiteX UART: fix compatible property name (#237)",
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"body": null,
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"headline": "pk: vm cleanups; use narrower TLB flushes",
"author_name": "Andrew Waterman",
"author_login": "aswaterman",
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"body": "This assumes that stval is populated with the opcode on illegal\ninstruction exceptions. But since we're only using the opcode for\nerror reporting, it's OK if this assumption is violated.",
"is_bot": false,
"headline": "pk: remove vestigial trapframe_t::insn field",
"author_name": "Andrew Waterman",
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"is_bot": false,
"headline": "M-mode code doesn't need access to pk's page table",
"author_name": "Andrew Waterman",
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"headline": "update encoding.h",
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"headline": "pk: correctly restore sstatus.SUM in strcpy_from_user",
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"body": "Previously, the pk would always run from virtual address MEM_START.\nInstead, remap it into the negative virtual addresses, allowing user\nprocesses to expand beyond MEM_START.",
"is_bot": false,
"headline": "pk: support >2 GiB of user memory for RV64",
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"body": "Return the old brk if mmap fails, rather than just asserting out",
"is_bot": false,
"headline": "pk: avoid assertion failures on brk syscalls",
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"body": "Estimate available memory and return -1 from mmap if not enough\nis available, rather than assert-failing.",
"is_bot": false,
"headline": "pk: avoid out-of-memory errors",
"author_name": "Andrew Waterman",
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"body": "This will improve flexibility going forward.",
"is_bot": false,
"headline": "pk: remove linear VA mapping constraint",
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"body": "Enforced with sstatus.SUM.",
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"headline": "Add `statx` syscall (#234)",
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"body": "Tested using the RocketChip CPU option.\r\n(see https://github.com/enjoy-digital/litex)\r\n\r\nSigned-off-by: Gabriel Somlo <gsomlo@gmail.com>",
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"headline": "Add support for the UART interface on the LiteX SoC (#230)",
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"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
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"band": "at_risk",
"name": "AI Readiness",
"value": 33,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
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"note": null,
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},
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}
],
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},
{
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},
{
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}
]
},
{
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"notes": [
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"code": "excluded_no_data",
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}
},
{
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}
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},
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},
{
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},
{
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},
{
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}
],
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},
{
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},
{
"key": "demonstrated_agent_practice",
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],
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},
{
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}
],
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},
{
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},
{
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},
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],
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},
{
"key": "manageable_file_sizes",
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"points": 54.9,
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}
}
],
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}
]
}
],
"description": "How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score."
}
],
"metrics_version": "1.13.0"
},
"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token"
],
"report_type": "repository",
"generated_at": "2026-07-25T17:42:58.018518Z",
"schema_version": "0.27.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/r/riscv-software-src/riscv-pk.svg",
"full_name": "riscv-software-src/riscv-pk",
"license_state": "custom",
"license_spdx": null
}Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.
Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.27.0 — full methodology · metrics wiki.
How one result sits in the wider record: aggregate statistics.