v1.2

Version 1.2 brings major improvements in performance, system emulation, and build infrastructure.

What's Changed

• Remove misleading TRACE log comment by @Lzzz666 in #597
• CI: Bump gcc on macOS host by @ChinYikMing in #599
• Add shell script formatter by @ChinYikMing in #598
• Enhance CI formatting checks for Python files by @Lzzz666 in #600
• Enable System Emulation in Web Browsers by @ChinYikMing in #602
• CI: Push wasm commit on changes only by @ChinYikMing in #603
• Update README by @ChinYikMing in #604
• Enhance docker image by @kaiii708 in #606
• Bump mini-gdbstub to latest version by @RinHizakura in #608
• Support multiple virtio block devices by @ChinYikMing in #605
• Fix Wrong MSTATUS_MXR_SHIFT by @snnbyyds in #610
• Make bar generation bound-safe by @jserv in #615
• CI: Add curl-or-wget wrapper and shared download functions by @jserv in #612
• Improve red-black tree map implementation by @jserv in #611
• Fix build with clang by using llvm-ar by @visitorckw in #607
• Fix -Werror=maybe-uninitialized warning by @jserv in #616
• Fix critical memory safety issues by @jserv in #617
• Fix llvm-ar detection for macOS builds by @jserv in #620
• Fix DTB conditional build regression by @jserv in #621
• Support ~ in virtio-blk paths and improve error handling by @ChinYikMing in #623
• Fix JIT compilation with SYSTEM/ELF_LOADER enabled by @jserv in #622
• Support CSR_INSTRETH for insn counter high bits by @jserv in #624
• CI: Bump prebuilt GNU Toolchains by @jserv in #627
• Improve CI/CD by @jserv in #626
• Refine build system for efficient configurations by @jserv in #619
• Add simplefs as new Linux image artifact by @ChinYikMing in #625
• Improve the Makefile speed by simple assignment by @eastWillow in #628
• Add RISCOF compliance test support by @jserv in #629
• CI: Enhance workflow reliability and consistency by @jserv in #631
• CI: Retry apt ops for mirror sync resilience by @jserv in #633
• Add make format target by @ChinYikMing in #632
• Fix csr cycle unasync by @Max042004 in #630
• Fix heap buffer overflow with -x option by @visitorckw in #634
• Adopt preserve_none attribute for MUST_TAIL optimization by @visitorckw in #636
• Fix PLIC priority tie-breaking to favor lowest ID by @visitorckw in #635
• Leverage dtsfmt as the standard formatter for DTS and DTSI files by @ChinYikMing in #637
• Fix preserve_none attribute usage for macOS by @jserv in #639
• Update formatting to require clang-format-20 by @jserv in #641
• Fix broken Timidity download URL by @jserv in #642
• Fix hart halt when non-SDL programs exit via syscall 93 by @ChinYikMing in #643
• Fix emcc build inheriting stale SYSTEM config by @jserv in #645
• CI: Fix failures due to dtc availability issues by @jserv in #647
• Fix JIT non-deterministic execution on Arm64 by @jserv in #644
• CI: Consolidate artifact fetch with retry logic by @jserv in #649
• CI: Reduce optimization level matrix by @jserv in #650
• CI: Consolidate extension disable tests into unified loop by @jserv in #651
• CI: Remove redundant emcc builds from macOS job by @jserv in #652
• CI: Centralize LLVM version management by @jserv in #653
• CI: Parallelize architecture tests by @jserv in #654
• Restore wall-clock time source for user mode by @visitorckw in #646
• Implement demand paging for automatic memory management by @jserv in #655
• Fix unsafe string handling in virtio-blk path by @jserv in #656
• Emulate misaligned access in default trap handler by @jserv in #657
• CI: Fix ext4 mount failure on macOS by @jserv in #658
• Fix initrd size handling for SDL-enabled rootfs by @jserv in #659
• CI: Fix duplicate options in boot-linux script by @jserv in #662
• Introduce Kconfig-based build system by @jserv in #661
• Fix C23 compatibility by @jserv in #663
• Fix artifact fetch regression by @jserv in #664
• Fix C23 compatibility by @jserv in #665
• Fix system emulation segfault with proper MMU by @jserv in #666
• CI: Fix C23 compatibility in Doom by @jserv in #667
• Add build-linux-image target to CONFIG_TARGETS by @ChinYikMing in #669
• Fix gdbstub exit handling for fd close syscalls by @jserv in #668
• Add TLB for MMU and fix trap handling by @jserv in #660
• Fix verify and bump by @ChinYikMing in #672
• Add instruction fusion patterns and RAM fast-path optimization by @jserv in #671
• CI: Unify ASSERT for expect-style scripts by @jserv in #673
• Fix MMU page fault handling in JIT block-trans by @jserv in #674
• Build(deps): Bump setuptools from 75.8.0 to 78.1.1 in /.ci by @dependabot[bot] in #675
• Build(deps): Bump jinja2 from 3.1.5 to 3.1.6 in /.ci by @dependabot[bot] in #677
• Build(deps): Bump gitpython from 3.1.17 to 3.1.41 in /.ci by @dependabot[bot] in #676
• Build(deps): Bump pyyaml from 5.2 to 5.4 in /.ci by @dependabot[bot] in #678
• Lazy fetching Linux source code by @ChinYikMing in #679
• Fix PyYAML build failure on Python 3.12 by @jserv in #680
• Fix scause handling in MMU test by @jserv in #681
• CI: Fix wasm-system-deploy failure by @jserv in #683
• Refine build system with Kconfig integration by @jserv in #670
• Fix build system regressions in external/artifact by @jserv in #684
• Fix make build-linux-image by @ChinYikMing in #686
• Refine artifact build system by @jserv in #685
• Implement Goldfish RTC by @ChinYikMing in #613
• Refactor JIT code generation infrastructure by @jserv in #687
• Unify benchmark scripts with improved robustness by @jserv in #688
• Use memory pool for macro-op fusion arrays by @jserv in #690
• Fix T2C thread synchronization by @jserv in #691
• Harden memory pool with NULL safety by @jserv in #692
• CI: Bump GitHub Actions versions by @jserv in #693
• Fix make format to show error message by @ChinYikMing in #696
• CI: Fix Linux images rebuild logic by @ChinYikMing in #697
• Reduce interpreter/JIT overhead by @jserv in #694
• Enable T2C-based system emulation with thread-safe jit_cache by @jserv in #695
• Add inline caching for T2C indirect jump by @jserv in #699
• Add configurable T2C optimization level by @jserv in #702
• Parallelize x64 boot tests with matrix jobs by @jserv in #703
• Refine branch history table by @jserv in #701
• Simplify CSR field definitions and cycle sync by @jserv in #700
• Fix FCVT illegal instruction handling by @jserv in #704
• Support LLVM 18-21 for T2C by @jserv in #705
• Fix spurious close(fd<3) errors for stripped ELFs by @jserv in #706
• Fix T2C crash on Apple Silicon by @jserv in #710
• Fix audio race condition with heap allocation by @jserv in #707
• Add L1 block cache and direct-mapped BHT by @jserv in #711

New Contributors

• @Lzzz666 made their first contribution in #597
• @kaiii708 made their first contribution in #606
• @snnbyyds made their first contribution in #610
• @eastWillow made their first contribution in #628
• @Max042004 made their first contribution in #630

Full Changelog: v1.1...v1.2