WebVM

• container2wasm/container2wasm
  • c2w-net-proxy
  • RISC-V (riscv64): Recommended, faster emulation with TinyEMU
    • 单线程
  • x86_64: Slower, uses Bochs emulator
  • QEMU Mode: --to-js for Emscripten output with JIT (larger but faster)
    • 支持 MTTCG
• bjorn3/browser_wasi_shim
• mame/xterm-pty
• containers/gvisor-tap-vsock
• cheerpx
  • https://cheerpx.io/
  • 虚拟化引擎
  • 闭源
  • x86 -> wasm jit compiler
  • virtual block fs
  • Linux syscall emulator
  • Free
    • ❌ Self-Hosting not allowed
    • ❌ OEM/Redistribution
  • Small
    • £100 per developer per month
• WebVM: https://github.com/leaningtech/webvm
• copy/v86
  • 32bits x86
  • 支持很多老的架构
  • Rust, WASM
  • 比 TinyEMU 快
  • x86_64 https://github.com/copy/v86/issues/133
• TinyEMU
  • riscv64, x86
  • 解释器, 10k LOC
• ptitSeb/box64
  • MIT, C
  • Linux Userspace x86_64 Emulator with a twist, targeted at ARM64, RV64 and LoongArch Linux devices
• Bochs
  • x86_64
• QEMU TCG JIT
  • QEMU WASM https://github.com/ktock/qemu-wasm

abbr.	stand for	cn
COOP	Cross-Origin-Opener-Policy	跨源开放者政策
COEP	Cross-Origin-Embedder-Policy	跨源嵌入者政策

Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy: require-corp

c2w

• c2w-net-proxy
  • browser fetch
  • gvisor-tap-vsock
• c2w-net
  • delegate websocket
  • gvisor-tap-vsock