Uhyve v0.7.0

What's Changed

Major:

• feat: make KVM_CAP_X86_DISABLE_EXITS opt-in by @mkroening in #1206
• feat(uhyvefilemap): add I/O mode settings by @n0toose in #1194

Minor:

• Update CITATION.cff by @jounathaen in #1186
• docs: Add myself to CITATION.cff by @fogti in #1185
• chore: No cargo authors by @fogti in #1188
• Citation: Use zenodo all-version doi by @jounathaen in #1197
• Fixed Clippy lints by @jounathaen in #1198
• CI: Added timeout for integration tests by @jounathaen in #1200

Full Changelog: v0.6.0...v0.7.0

0.6.0

What's Changed

Highlights

• improve macOS support by @stlankes in #936
• Introduce Landlock isolation support by @n0toose in #816
• feat(sandbox): add fd sandbox by @n0toose in #981
• feat: add TOML configuration for Uhyve by @n0toose in #1038
• feat(gdb): don't rely on resolving localhost, choose random port if no port is set by @n0toose in #1049
• fix: make Uhyve exit on vCPU panics by @mkroening in #1138
• feat(tempdir): create tempdirs in /tmp subdir by @n0toose in #1046
• fix: don't delay vCPU threads by @mkroening in #1155
• Announce mounts in FDT for arbitrary mount points by @jounathaen in #1154
• fix(musl): add pthread workaround by @n0toose in #1120

Other

• Added panic integration test by @jounathaen in #905
• Multicore test by @jounathaen in #906
• ci: prepare running KVM jobs on GitHub runners by @mkroening in #909
• ci: assert Cargo.lock is unchanged by @mkroening in #910
• fix(aarch64): clippy::precedence by @mkroening in #911
• feat: upgrade to Rust 2024 by @mkroening in #912
• fix: provide type annotations in comparisons by @mkroening in #935
• Enhanced & fixed CPU initialization by @jounathaen in #951
• aarch64: fix bug in the initialization of the page tables by @stlankes in #952
• add support of contiguous bit by @stlankes in #956
• encode the timer configuration in the devicetree by @stlankes in #958
• ci: make dependabot group for rftrace by @mkroening in #966
• test(landlock): spawn new thread for fs tests by @n0toose in #970
• chore: fix clippy warnings (05-05-2025) by @n0toose in #965
• tests(gdb): remove assert_fs dependency by @n0toose in #983
• test(fs): use single kernel, fdt parameter passing by @n0toose in #985
• Restore files from Git LFS by @n0toose in #996
• Added Integration Test for lseek by @jounathaen in #894
• Added invalid kernel path error and improved uhyve error message by @jounathaen in #998
• ci: remove lfs by @n0toose in #1004
• fix(lfs): actually add binaries back to tree by @n0toose in #1012
• fix(hypercall): Fix missing return on invalid open() flags by @fogti in #1010
• refactor(arch/x86_64): get rid of unnecessary .try_into().unwrap() by @n0toose in #1008
• refactor(tests): use vec! to avoid unnecessary allocs by @n0toose in #1009
• chore: fix some clippy warnings (27-06-2025) by @n0toose in #994
• UhyveFileMap: Improve path/string handling and code style by @n0toose in #1016
• nit(src/mem.rs): remove unnecessary ref mut annotation by @n0toose in #1018
• refactor(vm): smaller idiomaticity fixes by @fogti in #1021
• Removed useless allows by @jounathaen in #1020
• chore: prefer expect attr and reasons by @n0toose in #1019
• fix(mem): Fix undefined behavior in HugePageAlignedMem by @fogti in #1023
• refactor: categorize Args entries by @n0toose in #1029
• docs(readme): replace hermit-playground with hermit-c by @n0toose in #1030
• ci: skip for markdown and image files by @n0toose in #1031
• Revert "ci: skip for markdown and image files" by @n0toose in #1033
• chore(bin/uhyve): DRY regarding serde/merge attributes by @fogti in #1041
• fix(bin/uhyve): improve Affinity parsing by @fogti in #1045
• chore(bin/uhyve): get rid of unnecessary {String,PathBuf}::from_str calls by @fogti in #1057
• nit(params): fix clippy::manual_is_multiple_of by @n0toose in #1082
• fix(bin/uhyve): fix panic when affinity doesn't match with cpu_count by @fogti in #1048
• fix(rftrace): fix parameters, allow static mut refs by @n0toose in #991
• style: use #[default] macro in enums by @n0toose in #1087
• fix(linux): use libc for real-time signal handling by @n0toose in #1085
• fix(x86_64): increase gap from 768MiB to 1GiB by @n0toose in #1107
• style(mem): use as_usize() directly by @n0toose in #1104
• style(linux/x86_64): remove redundant kvm cap declarations by @n0toose in #1111
• Some nitpicks for logging by @n0toose in #1113
• feat(hypercall): prevent some read/write panic scenarios by @n0toose in #1114
• feat(bin/uhyve): use config from cwd, XDG_CONFIG_HOME by @n0toose in #1047
• ci: add --no-fail-fast to cargo test by @n0toose in #1126
• fix(kvm): handle disabling exits gracefully by @mkroening in #1130
• refactor(isolation): simplify split_guest_and_host_path by @fogti in #1141
• test(fs-test): Add integration test for panic on write to read-only file by @fogti in #1147
• fix(isolation): make tempdir creation more robust against races by @fogti in #1152
• refactor(tests): fix contention on test-kernel builds by @fogti in #1151
• fix: make Uhyve exit on simultaneous vCPU exits by @mkroening in #1153
• nit(gitignore): add .gdbinit by @n0toose in #1156
• feat(isolation/fd): implement virtual file descriptors by @fogti in #1140
• fix(hypercall): uniform error reporting on invalid hypercalls by @fogti in #1160
• style(linux): fix function_casts_as_integer lint by @n0toose in #1165
• deps: rand shouldn't be optional by @fogti in #1163
• chore: get rid of uhyve_interace::elf by @fogti in #1169
• annotate(hypercall/lseek): make sure missing constants cause compile-time error by @fogti in #1170
• style: use generic NonZero by @n0toose in #1178
• fix(hypercall): move write standard output case outside of loop by @n0toose in #1179

New Contributors

• @fogti made their first contribution in #1010

Full Changelog: v0.5.0...v0.6.0

0.5.0

Major Changes:

• Create sandbox for host file system access by @n0toose in #783
• Fix TSC frequency by @jounathaen in #871
• ASLR support by @n0toose & @jounathaen in #725
• Fixed AMD performance issue by @jounathaen in #902
• Added selective environment passing for VM by @jounathaen in #890
• Logging: Default to Warn (and removed timestamps from log) by @jounathaen in #892

Other Changes:

• style: fix clippy errors from 28-11-2024 by @n0toose in #812
• docs(readme): replace hermitcore with hermit-os by @n0toose in #817
• feat(isolation): improve canonicalization of host paths by @n0toose in #819
• nit(hypercall): remove unnecessary .as_bytes() call by @n0toose in #813
• refactor: split isolation.rs into files by @n0toose in #814
• build(deps): Bump x86_64 from 0.15.1 to 0.15.2 by @dependabot in #824
• build(deps): Bump x86_64 from 0.15.1 to 0.15.2 in /tests/test-kernels by @dependabot in #821
• build(deps): Bump aarch64 from 0.0.11 to 0.0.13 by @dependabot in #822
• build(deps): Bump libc from 0.2.165 to 0.2.167 by @dependabot in #823
• feat(isolation): move tempdir functionality to UhyveFileMap by @n0toose in #825
• Use of GuestPhysAddr & added HugePageAlignedMem struct by @jounathaen in #826
• build(deps): Bump clap from 4.5.21 to 4.5.23 by @dependabot in #830
• build(deps): Bump thiserror from 2.0.3 to 2.0.6 by @dependabot in #831
• build(deps): Bump time from 0.3.36 to 0.3.37 by @dependabot in #832
• docs(readme): fix configuration section by @mkroening in #838
• docs(readme): change tagline, condense information by @n0toose in #828
• build(deps): Bump kvm-ioctls from 0.19.0 to 0.19.1 in the rust-vmm group by @dependabot in #840
• build(deps): Bump libc from 0.2.167 to 0.2.168 by @dependabot in #841
• build(deps): Bump sysinfo from 0.32.1 to 0.33.0 by @dependabot in #842
• build(deps): Bump env_logger from 0.11.5 to 0.11.6 by @dependabot in #846
• build(deps): Bump thiserror from 2.0.6 to 2.0.9 by @dependabot in #845
• build(deps): Bump libc from 0.2.168 to 0.2.169 by @dependabot in #847
• Introduce tempfile improvements by @n0toose in #852
• nit(cli): move file_mapping further up in Args by @n0toose in #851
• docs(readme): move contributing instructions to wiki by @n0toose in #835
• build(deps): Bump sysinfo from 0.33.0 to 0.33.1 by @dependabot in #848
• fix(hypercall): use sanitized flags for mapped files by @n0toose in #853
• feat(uhyvefilemap): improve guest path handling by @n0toose in #844
• feat(tempfile): allow usage of custom tempdir locations by @n0toose in #856
• build(deps): Bump uuid from 1.11.0 to 1.11.1 by @dependabot in #858
• build(deps): Bump clap from 4.5.23 to 4.5.26 by @dependabot in #859
• build(deps): Bump bitflags from 2.6.0 to 2.7.0 by @dependabot in #860
• Added CITATION file, fixes #811 by @jounathaen in #861
• Updated CITATION.cff by @jounathaen in #865
• build(deps): Bump log from 0.4.22 to 0.4.25 by @dependabot in #870
• build(deps): Bump thiserror from 2.0.9 to 2.0.11 by @dependabot in #869
• build(deps): Bump the rust-vmm group with 2 updates by @dependabot in #868
• fix(sandbox): only create tempfiles with O_CREAT flag by @n0toose in #866
• build(deps): Bump uuid from 1.11.1 to 1.12.1 by @dependabot in #872
• build(deps): Bump hermit-entry from 0.10.1 to 0.10.2 by @dependabot in #873
• build(deps): Bump bitflags from 2.7.0 to 2.8.0 by @dependabot in #874
• feat(bootinfo): put TSC frequency into FDT by @mkroening in #876
• Updated & refined tests by @jounathaen in #877
• Refactor: created separate UhyveSerial struct by @jounathaen in #878
• Added architecture agnostic error by @jounathaen in #879
• Use sealed trait pattern to avoid private trait in public interface warning by @jounathaen in #880
• Removed unwanted pub from uhyvelib by @jounathaen in #881
• Minor improvements by @jounathaen in #883
• Minor fixes by @jounathaen in #884
• Removed x86_64 support for macos by @jounathaen in #882
• Slight Clap help text improvements by @jounathaen in #885
• build(deps): Bump clap from 4.5.26 to 4.5.27 by @dependabot in #887
• build(deps): Bump raw-cpuid from 11.2.0 to 11.3.0 by @dependabot in #889
• build(deps): Bump tempfile from 3.15.0 to 3.16.0 by @dependabot in #888
• build(deps): Bump rftrace-frontend from 0.1.0 to 0.2.2 by @dependabot in #773
• More tests for hypercalls by @jounathaen in #893
• build(deps): Bump clap from 4.5.27 to 4.5.28 by @dependabot in #899
• build(deps): Bump uuid from 1.12.1 to 1.13.1 by @dependabot in #901
• build(deps): Bump mac_address from 1.1.7 to 1.1.8 by @dependabot in #898
• build(deps): upgrade rand to version 0.9 by @dependabot in #900
• build(deps): Bump rftrace from 0.1.0 to 0.2.2 by @dependabot in #774

Full Changelog: v0.4.0...v0.5.0

0.4.0

🚀 Features

• Create FDT with bootargs
• Put env vars into FDT bootargs
• Put memory layout into FDT

🐛 Bug Fixes

• (x86_64) Don't panic on unknown port
• (dead_code) Remove unused shared_queue module
• Make args Strings
• (params) Ambiguous reference to positional arguments
• (benches) Replace M with MiB to fix breakage
• (benches) Look for local hermit-loader-x86_64 copy

💼 Other

• Publish binaries using GitHub Actions on new tag
• Extend test_mmap_memory_readwrite()
• Enable RUST_BACKTRACE for tests
• Make it more beginner-friendly
• Update crate metadata
• Don't take ownership on fn port()
• Added pagetable pretty printing function for debugging
• Store params and remove separate num_cpu and path fields
• (gitignore) Add hermit-loader-x86_64
• Hypercall::port -> don't take ownership of self
• Don't use x86_64 feature on aarch64 and vice-versa
• Run separate jobs for macos-clippy x86_64 and aarch64
• (deps) Update Cargo.lock

🚜 Refactor

• Migrate from lazy_static to std::sync::LazyLock

📚 Documentation

• Capitalize Uhyve
• (readme) Fix and improve VS Code mention
• (fdt) Add documentation

🧪 Testing

• Improve output information
• Ensure the env_logger is initialized
• (serial) Remove file if it already exists
• Add fs-related helper functions
• (serial) Assert output before code

⚙️ Miscellaneous Tasks

• Remove appendix from LICENSE-APACHE

Uhyve 0.3.0 and uhyve-interface 0.1.1

What's Changed

• Big refactor by @jounathaen in #527
• fix: remove test images from releases by @mkroening in #674
• build(deps): bump hermit-entry from 0.9.10 to 0.10.0 by @mkroening in #672
  • Uhyve now requires applications to use hermit = "0.9.0"

Full Changelog: v0.2.3...v0.3.0

Uhyve 0.2.3 and uhyve-interface 0.1.0

What's Changed

• Fix the non working integration tests by @jounathaen in #495
• Delete bors.toml by @mkroening in #502
• Upgrade to raw-cpuid 11 by @mkroening in #505
• Implement FrequencyDetectionFailed via thiserror by @mkroening in #506
• Move Hypercall interface in distinct crate by @jounathaen in #452
• Bumped hermit-sys to 0.5 by @jounathaen in #526
• Removed old disfunctional and unused networking code. by @jounathaen in #519
• Improved memory size checking. by @jounathaen in #533
• Fix unused-mut by @mkroening in #543
• chore: rename RustyHermit to Hermit by @mkroening in #563
• build(deps): upgrade nix from 0.26.2 to 0.27.1 by @mkroening in #566
• build(deps): bump kvm-ioctls to 0.15 by @mkroening in #594
• build(deps): upgrade to gdbstub 0.7 by @mkroening in #595
• build(deps): upgrade to byte-unit 5 by @mkroening in #593
• refactor: fix clippy::unnecessary_fallible_conversions by @mkroening in #605
• dependabot: create rust-vmm group by @mkroening in #612
• dependabot: add test kernel by @mkroening in #621
• test: update test kernels to hermit 0.8 by @mkroening in #620
• Added a uhyve logo by @jounathaen in #567
• add Zulip link by @stlankes in #625
• CI: Run pre-built rusty_demo instead of building upstream by @mkroening in #466
• Added .vscode to gitignore by @jounathaen in #644
• ci: add timeout for running images by @mkroening in #646
• ci: fix caching by @mkroening in #647
• ci: unify and fix clippy jobs by @mkroening in #648
• Benches fix by @jounathaen in #649
• ci: run Clippy for macOS on macOS by @mkroening in #650
• ci: pin codecov to v4.0.2 by @mkroening in #663
• ci: unpin codecov by @mkroening in #666
• chore: release version 0.2.3 by @mkroening in #667
• build(deps): specify uhyve-interface dependency version for publishing by @mkroening in #668

Full Changelog: v0.2.2...v0.2.3

0.2.2

What's Changed

• Upgrade nix to 0.26 by @mkroening in #446
• Fix clippy lints by @mkroening in #449
• Prettyfied use statements in the whole project by @jounathaen in #451
• Removed obsolete SHUTDOWN_PORT. Fixes #453 by @jounathaen in #456
• Migrate from deprecated license format to SPDX License Expression by @mkroening in #459
• Fix clippy::uninlined_format_args by @mkroening in #464
• Bors: Require run images job by @mkroening in #467
• Update test kernels by @mkroening in #469
• Make CI faster by @mkroening in #468
• CI: Install Rust on every job by @mkroening in #472
• CI: Disable sparse registry for kernel by @mkroening in #480
• add support of the latest hermit-entry abi by @stlankes in #488

Full Changelog: v0.2.1...v0.2.2

0.2.1

What's Changed

• CI: Use normal hermit source again by @mkroening in #389
• Bump hermit-entry to 0.9.1 by @mkroening in #390
• CI: Use main branch of rusty-hermit by @mkroening in #392
• Bump either from 1.7.0 to 1.8.0 by @dependabot in #394
• Bump gdbstub_arch from 0.2.3 to 0.2.4 by @dependabot in #395
• Bump raw-cpuid from 10.4.0 to 10.5.0 by @dependabot in #396
• Bump gdbstub from 0.6.2 to 0.6.3 by @dependabot in #393
• Bump libc from 0.2.131 to 0.2.132 by @dependabot in #397
• Bump time from 0.3.13 to 0.3.14 by @dependabot in #398
• Update Dependencies by @mkroening in #399
• Bump clap from 3.2.17 to 3.2.20 by @dependabot in #400
• Bump thiserror from 1.0.32 to 1.0.34 by @dependabot in #401
• Panic if no space for kernel stack by @mkroening in #403
• Rework Drop impls by @mkroening in #404
• Bump env_logger from 0.9.0 to 0.9.1 by @dependabot in #405
• Bump raw-cpuid from 10.5.0 to 10.6.0 by @dependabot in #406
• Bump burst from 0.0.2 to 0.0.3 by @dependabot in #407
• Bump clap from 3.2.20 to 3.2.22 by @dependabot in #408
• Minor cleanup by @mkroening in #409
• Bump thiserror from 1.0.34 to 1.0.36 by @dependabot in #410
• Bump mac_address from 1.1.3 to 1.1.4 by @dependabot in #411
• Bump libc from 0.2.132 to 0.2.133 by @dependabot in #412
• Bump thiserror from 1.0.36 to 1.0.37 by @dependabot in #415
• Bump libc from 0.2.133 to 0.2.134 by @dependabot in #413
• Bump time from 0.3.14 to 0.3.15 by @dependabot in #416
• Upgrade to clap 4 by @mkroening in #418
• Update benches_data images by @mkroening in #419
• Bump criterion from 0.3.6 to 0.4.0 by @dependabot in #402
• Bump libc from 0.2.134 to 0.2.135 by @dependabot in #420
• Bump clap from 4.0.12 to 4.0.15 by @dependabot in #421
• Integration tests: Upgrade hermit-sys to 0.4 by @mkroening in #423
• Bump clap from 4.0.15 to 4.0.18 by @dependabot in #422
• Bump libc from 0.2.135 to 0.2.137 by @dependabot in #424
• Bump time from 0.3.15 to 0.3.16 by @dependabot in #425
• Bump clap from 4.0.18 to 4.0.19 by @dependabot in #428
• Bump time from 0.3.16 to 0.3.17 by @dependabot in #429
• Bump byte-unit from 4.0.14 to 4.0.17 by @dependabot in #430
• Bump assert_fs from 1.0.7 to 1.0.8 by @dependabot in #427
• Bump clap from 4.0.19 to 4.0.23 by @dependabot in #431
• Bump vmm-sys-util from 0.10.0 to 0.11.0 by @dependabot in #432
• Bump assert_fs from 1.0.8 to 1.0.9 by @dependabot in #433
• Bump env_logger from 0.9.1 to 0.9.3 by @dependabot in #434
• Release 0.2.1 by @mkroening in #436

Full Changelog: v0.2.0...v0.2.1

0.2.0

Breaking

This changes hermit-entry version to 2.

What's Changed

• Remove unused NetInfo from BootInfo by @mkroening in #373
• Upgrade hermit-entry to 0.5.0 by @mkroening in #375
• Upgrade hermit-entry to 0.6.0 by @mkroening in #376
• Bump clap from 3.2.15 to 3.2.16 by @dependabot in #377
• Cleanup dependencies by @mkroening in #379
• Move kernel loading to hermit-entry by @mkroening in #378
• Upgrade to hermit-entry 0.8.0 by @mkroening in #380
• Bump libc from 0.2.126 to 0.2.127 by @dependabot in #383
• Bump thiserror from 1.0.31 to 1.0.32 by @dependabot in #384
• Bump time from 0.3.11 to 0.3.12 by @dependabot in #385
• Bump raw-cpuid from 10.3.0 to 10.4.0 by @dependabot in #386
• Bump tun-tap from 0.1.2 to 0.1.3 by @dependabot in #387
• Upgrade to hermit-entry version 2 by @mkroening in #367
• Release version 0.2.0 by @mkroening in #388

Full Changelog: v0.1.3...v0.2.0

0.1.3

What's Changed

• CI: Don't install unused hermit cargo dependencies by @mkroening in #363
• Bump clap from 3.2.12 to 3.2.14 by @dependabot in #364
• Upgrade hermit-entry to 0.2.0 by @mkroening in #365
• Upgrade to hermit-entry 0.3.0 by @mkroening in #366
• Bump hermit-entry to version 0.3.1 by @mkroening in #369
• Upgrade to hermit-entry 0.4.0 by @mkroening in #370
• Correctly set possible_cpus by @mkroening in #371
• Release version 0.1.3 by @mkroening in #372

Full Changelog: v0.1.2...v0.1.3